ad-a183 267 at *1 1/3a v · 3. sm s sep 78 jan 60 same same save n/a 0-7 4. same same rob an har 69...
TRANSCRIPT
k AD-A183 267 AT *1 1/3A V
UKcLSrrFIED U A JI DS- /G/ 2 M
EMML
MAICRX)OPY RtSOLUTOJN4EST CHAT
19 JAN IT$8
OPERATING LOCATION - A DT[CSELECTEUSAFETACJ
Air Weather Service (MAC) N
LE"LIMITED SURFACE OBSERVATIONS"
XS TAr CLIMATIC SUMMARY "LISOCS"
ZIERIKZEE NL MSC #063250N 51 39 E 003 56 ELEV 6 FT
y PARTS A - F HOURS SUMMARIZED: 0000 - 2300HRS VARIABLE
PERIOD OF RECORD:HOURLY OBSERVATIONS: MAY 77 - APR 87SUMMARY OF DAY DATA: NONE
FEDERAL BUILDING"Approved for public releassDistribution Unlimited."ASIEVILLE, N.C. 28801 - 2723
88 1 26 u27
Accesion For
NTIS CRA&IVTiC TAB rUnanC;rG:ced [J
C fBy
LIMI7ED SURFACE OfSLRVAIIONS CLIATIC SUM MARY
STATION NAMT : ZIERIKZEE NL
STATION NUMBLO: 0132 50 CALL 10: NNACPERIOD OF RECORD: HOURS SUMMARIZED: 0010 - 2300 LST
( HOURLY O'"SERVAIIONS: MAY 77 - APR 87
SUMMARY or DAY DATA: NO AWS FPOMS IDA AVAILABLE FROM WHICH T0 ORTAIN DATA.C/TIME CONVERSION LST TO 'MY -I
C DATE PRODUCED: 0 JUN a?
* CSPECIAL NOTE ON OBSERVA71ONAL COUNTS: LOW OBSERVATIONAL COUNTS PREVAIL THDPIIoHOUT THIS
SUMMARY. FROM APR 19b' YHROU(,H JArN 19q6, ONLY 6-HOURLY OBSERVATIONS WERE TRANSMITTED LONG-
LINL. FOR THE AEMA INI'Jb VEARS, THr OWDERVATIONS VARIED FROM 15 TO 30/3\ DAY!, Of OPSERVATIONS PER PONTH.C.
C
-J
OL-A/usAFETAC/MAC/A S LIMITED SURFACE OBSERVATIONS CLIMATIC SUMMARIES--LISOCSASHEVILLE NC 28.0l
HOURLY OBSERVATIONS: ALL RECORD OR RECOkl) SP-CIAL OBSERVATIONS RECORDED ON THE AWS FORMS IC/IDA AT SCHEDULED HOURLYINTERVALS.
SUPPLEMENTAL DATA: DATA DERIVED FORM EARLIER PERIODS IF AVAILARLE, AND/OR FROM OE OR PORE REPRESENTATIVE SITESAND COMBINED 3Y A 4LTrOROLOGIST.
DESCRIPTION OF SUMMARIES: "NECEEDING EACH PA;T OF THE RUSSWO IS A BRIEF DISCUSSION OF THE SUMMARY INCLUDING THEMANNER OF PRESENTATION.
HOURLY SUMMARIES CONTAINING "TOTALS" AND "ALL HOURS" ARE ONLY FOR THOSE HOURS SUM"ARIZEE. IN COMPUTING THESE VALUESTHE VALUES IN THE 3-HOUR TIME GROUPS WERE ADDED AND DIVIDED B
Y THF NUMBER OF GROUPS.
STANDARD 3-HOUR TIMde GROUPS: IN ALL SUMMARIES SHOWING DIURNAL VARIATIONS, WE SUMMARIZE DATA USING THEFOLLOWING EIGHT 3-NOUY TIME PERTODS IN LOCAL STANDARD TIME: 0000-0200. OIGO-OSl0, 0600-OB0O. 090L-Ilia,
1200-l4oo, 1500-1730, IOO-2000. 2100-2300 LST.
FOR A DETAILED DESCRIPTION OF EACH SUMMARY WITH EXAMPLES AND FXERCISES ON ITS USAGE, SEE USAFETAC/TN-R3-O01, "AN
AID FOR USING THE REVISED UNIFORM SUMMARY OF SURFACE WEATHER OBSERVATIONS" (RUSSWOI.
TABLE OF CONTENTS
STATION HISTORY
PART A: WEATHEI CONDITIONS AND ATMOSPt-RIC PHENOMENA SUMMARIES
PART 6: SEE SUPPLEMENTAL DATA SECTION BELOW
PART C: SURFALE WIND SUMMARIES
PART 0: CEILIN5 VESIPS VISIbILITY AN-. SKY COVER SUMMARIES
PART F: TLMPERAIIuE ATIn RELATIVE HUMIDITY SUMMARIES
PART F: PRESSURL SUMaMIFS
SUPPLEMENTAL DATA SEClION--SuMMARY OF DAY DATA
AdSMSC NUMBER: THIS %UM VR IS THE AIR LATHLR SERVICE MASTrR STATION CITALO NUMPLO. THIS NUMBER Is COV'PRISED OFIHF WHO NUPBE. WITH TH ADDITION OF A "DEFIX IC THPOUGH 91. IN CASES VHrRF THEBE Is NO DESIGNATED WPO NUMBER,A S-DIGIT NUMBTR IS ClIATLD IN GREELtPI WITH WHO RULES PLUS A SIXTH DIGIT. THESE NUPERS ARE ALSC REFERREC TOAS DATSAW OR USAFETAC UMSERS WHICH UNIQUELY IDENTIFY qODE IHAN IS.OD REPORTING STATIONS WORLD WIE.
NOTF: THE FIRST AND LAST HOUR GROuPS MAY OR MAY NOT CONTAIN ALL THREE HOURS. SfE HOURS %UMMARIZEO nN COVER ORSTATION HISTORY SHEET TO DETLRMIMP WHNIC4 HOURS ART INCLUDED IN TFSE TWO HOIR GROUPS.
Je
I mm i m•a
063250 ZrEAXKZUU, NTHESIANS N'51 39 5003 56 6.5 FT
STATION LOCATION ANDINSTRUMENTATION HISTORY ___
1. Zieriki.. es elsd FM~ Jun 74 Jan 76 N 51 39 E003 56 6.5 Ft N/A 0-62. Same Same Jun 77 Auq 78 Same Sam Saoe N/A 14-16
Closed mostwaekonds
3. Sm S Sep 78 Jan 60 Same Same Save N/A 0-74. Same Same rob an Har 69 Sam Sae Sam :/A 15-30
Closed most
weekendsS. Same Sam" Aprt OS Jan SS Same Sam Sam N/A 4 Syn Obs6. Sama San Jul 85 Oct 6s Smu Same Same W/A 24 Closad
moat wknds& holidays
7. sam Sma now 85 Jan 66 Sam samw :a0 :,'A 4 Syn Cl,.a. Zisrikzas, Netherlands Sm~a Feb SE Apr 67 Sam Same sm. N/A 23-30
Closed sotweekends
Lam IV 9 nK9 qtn. 01000110m. Itu now II
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4C TEP CONDITIONS AND ATMOSPHERIC PHENOMENA SUMMARIES
.EATHB.A CONDITIONS SUMMA.!!
1. A PERCENTAGE BR.,J0iNCY OCCURRENCr %JNMARY Of VARIOUS ATMOSPHERIC PHENOMENA AND OBSTRUCTIONS TO VISION.
2. ATA BASED U-4 14OURLY OBSEkVATIONS.
A. SUMMARIZED bY THE( STANDARL, 3-HMULR 114E GROUPS BY MONTH, MONTHLY AND'ANNUALLY IALL YEARS COmBINEI.
LEFITTIONS:
THUNDERPSTORMS: ALL REPORTED TT4TNDRSICVRNS, TOTNAOLS ART) WATERSPOUTS.
RAIN ANDIOR DRI,'.Ll - ALL RLPORTED RAI NAND OR DRlIZZLE FALLING To THE GROUNDG AT NCT FREEZING.
FREEZING RAIN A!ArDD., fB IFIING DRIZ,7LE (GLAZE): ALE REPORTED FPEtZIN, RAIN OR~ FR(EZINIG DRIZZLE.
SNOW ANTJ/OR 51.11. %N'w INCLUDING, SNO.. I.LLETS A~t GRAINS ICE CRYSTALS AND PFLLETS. AND/OR SLEET 41CF PELLFTI.
H4AIL : ALL REPORETED HATE.
ALL Pk[ECIPITAIUN: THIS CATET6ORY INCLLTIS ALL ORSTAVAT IONS REPORTING PRECTPITATION. BECAUSE MORE THAN ONt TYPEOr PRECIPITATION -AY APPEAR IN A %INGLE OBSERVATION. THE SUM Or THE PtRCENIADFS I'd THE INDIVIIUAL COLUMNS MATEXCEED 'HE TP1.TCIAGt% ITN IS COLU'4N.
FOt,: ALL REPOQT[O FOL. IM FOG ANTJ CR')IANOGt.
SMOKE ANDOR~l HAil: ALE REPORtED SMOKE11 , 4,A1E AND ANY CONMINATION1 THEREOF
MEONING SNOW: ALL V(T'TRTED BLOAIN. SNIUS INCLUDING DRIFTING WHTEN PEPORTEU.
OUST AND/OR SAND: ALL TEPORYLO DUST, %A,4G, BLOwING OUST. PLOWING SAND AND ANY COM14INATION THEREOF.T04E ATMOSPHIRIC P-T%O~tNA SU"-RY 13ATS AITHI INCLUFDES ONLY THOSE REPORTS. MHEN THE PHENomFNkRISIBILITY LLSS TH.AN %10 MILE% 11"03 MEIERSI.
ALL ObSTRuCTIONS TO VISION: INCLUTIS ALL REPORTS OF OBSYRULTIONS TO MISIO% iFOu T4PU TTUSYISANtllARE BLOTAIN. ,PRAV. BfLAuSE M(TRI THAN ONE PHENOMENA PER OBSERVATION MAT OCLUR. TAHl SUM OF1MB INOIRIEPJAL COLUMNS MAY EKCEEG IRIS COLUMN.
N 1.S A VALUE IN TIli TABLE% OF ".0" INTTICATLS LESS TRAN .0-1 OCCURRENCE W14ICH IS, UUALLY ONLY Okr oLAUorICE
-ETAR STATTopt. luAIEI,*ING IN .DDN I "IS AND SYNOPTIC REPORTING STATIONS RfCE'AOEO ON THECAw. BOORS IniIUA AND IOA.SHIBTLO L04NGLI.,L (,%I THE HIGHEST OBS OF ATMOSPHERIC PHLNOWENA OBSERVED.REGIN4IRT. IN JAN 1970. VET A' STAT TuI RICONiT1) ALL OBSSLVED PHENOMENA NUT CONTINUED TO TRANSMIT ONLYvTHE HIGHEST ORDER. FOR EX1ATILL. If 1t OpSrmVATION CONTAINED RAIN. FOG, AND SMOAL1. ALL TH4REE WILLAPPIAR oft TH AWS FOR-S ICITEA. BUT ONLY TN4' VAIN das FR*MSWIYTIEU L.ONGEiTNA. THEREEDRE ONLY TRE *AINAPPEAR% IN OUB DATA A'S1 FO' HIIRLY SuP4API.-AT ION. THIS PRACTIC. EFF(CTs THE PERCENTAGE S IN THE TAPLEs.
0L
GLOBAL CLIMATOLOGY BRANCH PERCFNTAGE FREQUE:NCY OF OCCURRENCE OF ILATHEP CONDITIONSusArETAC FROM HOUaLY OBSERVATIO14SAIR WEA
THER SERVICEIPIAC
STATION NUMBER: 063250 ST AT ION NAME: ZI2R2R2L- NL PERioD or RECORD: 78,80-A?MONTH: JAN
i RAIN FR:ING SNOW t 085 S,.OKE OUST I 085HOURS I TStMS E/OR RAIN &/OR MAIL WITH FOG. IoR ELOWING E/OR h/IRS
T TOTAL
ILSTI DRIZZLE i/OR SLUT PRECIP MAE. SNOW SAND 90 0es[JRI/2LC VI SION
.31-02 1 11.6 2.8 .2 19.2 79.5 1.5 31.0 469
01-05 19. 3 .5 1.b 16.1 29.5~ 1.6 31.1 992
L6-06 I 1.8 2.S 2A.9 25.0 1.4 i6.7 513
L9-11 I1 2.1 5.9 l6.8 26.0 3.1 29.2 NR9
12-141 I 2.5 z2 6.7 .2 18.6 71.1 8.8 13.1 559
19-17 1 2 2.9 .2 4.1 25I.% 21.3 20.2 '2.5 461
19-20 1J2.4 2.1 .4 15.0 29.3 b.5 35.9 566
.e -23 1 129.9 3.b .2 £6.5 27.6 4.b 32.2 NIB8
TOTALS 1 .0 13.4 .1 3.8 .1 26.9 7b.2 4.8 31.3 3966
........................................................................................................................
0TAI1ON NUNR4ER: 063250 $I AT I Oh NAME:: ZIERIKf£E hL PERIOD OF RECORD: ?8-8?M')NTH: FED
........................................................................................................................
I RAIN FRIING SNOW % DAS S-UKE OUST % 085HOURS I ISIMS I/OR RAIN i/OR HAIL WITH FOG E/OR SLOWING. ElOR WICBST TOTAL
Itsl ORI 087/ /OR SLEET PRECIP HA7L SNOW SAN0 To 06S
IDRIZZLE VISION........................................................................................................................
ba-fl? I S.1. 2.3 20.2 35.2 221.0 91.1 SIT
01-05 1 8.1 3.1 11.2 42.0 9.? 51.1 5ib
If-O 9.9 2.6 11.9 93.9 9.91 S2.? b7D
..9-11 6 .1 .3 4.3 13.0 38.2 15.0 5312 b04
12-19 I .9 .1 1.5 1.6 29.6 21.6 57.3 645
29-1I? 1.., 2.3 9.2 29.0 13.S 57.5 609
10-20 I .9 2.0 .z 7.9 30.3 75.1 !5.4 657
?1-23 b .9 1.2 1.6 37.1 27.3 S19.5 616
fGIats. I~ ...9 2. . .. ~ 1... 28.? 53.? 419D3.................................... ........................ ....................... ...............
GLOWAL CLIMATOLOGY ERANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF WEATHEP CONDITIONSUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE NL PEPIOD OF RECORD: 78-87MONTH: MAR
...........................................................................................................................I RAIN FRZING SNOW I OBS SMOKE OUST % OBS
HOURS I TSTS LfOR RAIN E/OR HAIL WITH FO C/OR BLOWING E/OR W/CBST TOTAL
ILSTI I DRIZZLE EoOR SLEET PRECIP HAZE StloW SAND To OBS
0R0ZLE VISION
UO-02 12.u 1.4 13.1 37.4 8.4 45.8 633
03-05 12.1 1.5 13.1 38.0 R.3 4b.3 618
06-08 15.b .7 16.3 37.4 7.8 45.2 693
09-11 12.9 .1 1.3 13.9 31.6 12.6 44.1 675
12-14 I1.b .8 12.5 18.4 72.8 41.2 712
15-17 148 1.1 .3 16.0 14.5 22.7 37.2 648
18-20 14.3 4 14.8 17.4 18.6 36.0 711
21-23 14.5 .8 15.1 27.9 11.9 39.8 641
TOTALS 13.5 .0 1.0 .0 14.4 27.8 14.1 42.0 5331
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PEPIOD OF RECORD: 78-87
MONTH: APR.....................................................................................................................
I RAIN FRZING SNOW t OBS SMOKE OUST I 085HOURS I TSTMS &/OR RAIN &/OR HAIL WITH FOG E/OR BLOWING C/OR W/OBST TOTALILSTiI ORIZZLEL &/OR SLEET PRECIP HAZE SNOW SAND 10 OBS
DRIZZLE VISION........................................................................................................................
0-02 9.7 .2 .2 10.1 72.2 4.9 27.0 S77
U!-05 ,z 10.7 .9 .2 11.6 26.5 4.2 30.7 550
ob-08 1 0. 1.0 11.8 31.9 7.2 39.1 62b
09-11 10.4 .3 .2 10.9 19.1 19.4 38.6 617
12-1% 9.1 .3 9.4 9.1 7.?7 31.8 661
15-17 .2 8.5 8.5 1.0 22.8 i9.8 630
18-20 I .2 8.8 8.4 8.4 17.7 26.1 651
2I-13 ,5 10.4 .2 11.1 14,1 q.? .2 24.J 559
T UTALS 1. 9.9 .4 .1 10.3 17.3 13.6 .0 !0.9 4841
........... .. . ... . . ... ... ................ . ....................................
.dip
GLOBAL CLIMATOLOGY BRANCH PERCENTAGL FREQUENCY OF OCCURRENCE OF WEATHER CONDITIONS
uSAFCTAC FROM HOUqLY OBSERVATIONSAIR WEATHER SERvICEIMAC
STATION NUMBER: 063250 STATION NAME: ZIERIKzLC NL PERIOD OF RECORD: 79-86MONTH: MAY
I RAIN FRZING SNOW I OBS SMOKE DUST I OBS
HOURS I TSTHS L/OR RAIN &/OR HAIL WITH FOG E/OP BLOWING &/OR W/OBST TOTAL
ILS71 I ORIZZLE E/OP SLEET PRECIP HAZE SNOW SAND 10 OBS
I DRIZZLE VISION.. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . ..............e........... .o....... . . e . . . -.. . . ..° .. .. *... .. .. . .- .. .
cO-O .4 11.5 11.S 15.9 5.0 20.9 478
03-05 11.9 11.9 ?0.5 4.0 24.5 4Z9
06-08 .2 9.3 9.3 31.6 6.S 38.4 5317
09-li 12.2 12.2 IN.0 14.4 28.5 49,
12-I .7 IU.1 1.1 9.1 16.0 ;S.l 537
15-17 1.1 10.2 10.2 8.5 12.3 3.8 72
1-20 .6 9.5 .2 9.7 11.6 30.5 22.1 516
21-23 .S 10.2 10.2 9.8 5.4 15.2 441
TOTALS .4 IO.b .0 10.6 IS.2 9.3 24.4 3902
STATION NUMBER: 0632S0 STATION NAME: ZIFRIKZE NL PEPIOD OF RECORD: 77-86MONTH: JUN
I RAIN FRING SNOW % OeS SMOKE DUST I OBSHOURS TSTMS C/OR RAIN &/OR HAIL WITH FOG F/OR BLOWING E/OR /OBS TOTAL
ILSTI I DRIZZLL C/OR SLEET PRECIP HAZE SNOW SAND TO Os
I DRIZZLE VISION
CO-02 8.1 8.1 75.8 .7 26.5 433
03-05 .7 12.2 12.2 33.N 1.0 34.9 410
06-08 .2 13.4 .2 13.6 27.7 8.7 36.4 566
0"-1i .7 9.6 9.6 13.1 22.9 35.S 591
12-1N I 5 O.G 10.0 S.9 72.1 i8.0 578
15-17 .b 10.9 10.9 3.b 38.2 21.9 521
18-20 .9 1.1 .2 7.2 S.? 32.8 17.9 50
21-23 .5 8.3 8.3 13.1 6.5 19.6 939
TOALS.I .. i.... .3 . 160 . . e6 27.5 9060............. . -................. ....................... ...............
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF WEATHER CONDITIONSUSAFET AC FROM HOU4LY oBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZE[ NL PEPIOU OF RECORD: 77-86
MONTH: JUL................ ;................ .. ..... ; .... .. ............... BS ........ " ..S..K............. .... °°.. '. B................
I RAIN FR7ING SNOW % ORS S-0VE DUST % DRsHOURS TSTMS LIOR RAIN L/OR HAIL WITH FOG &/OR BLOWING 1/OR WIOBST TOTALILSTI I DRIZZLE ./OP SLEET PRECIP HAZE stlOW SAND To ODs
I DRIZZLE VISION...........................................................................................................................
00-02 b2 1 7.6 24.8 4.8 29.7 409
U3-0S 7.6 7.6 30.9 3.5 34.4 486
06-08 .5 10.1 10.7 30.9 5.0 35.9 635
09-l .7 10.4 10.4 14.8 17.8 32.b 6o8
17-IN 7.7 7.7 5.4 22.8 28.2 64b
15-17 .2 0.0 6.0 3.2 20.4 23.7 587
14-20 .b 7.3 7.3 3.5 19.8 23.3 662
21-23 2.1 7.4 7.4 IS.4 9.9 25.3 513
TOTALS .0 8.1 8.1 16.1 13.0 29.1 4b3
STATION NUMBER: 063250 STATICN NAME: ZIERIKZE- NL P- RIOD OF RECORD: 77-66MONTH: AUU
I RAIN FRZING SNOW % o$ SMOKE OUST % OBS
HOURS I TSIMS L./O RAIN 1/OR HAIL WITH FOG E/OR BLOWING l/OR W/IBST TOTAL
ILST) I DRIZZLE 1/OR SLEET PRECIP HAZE SNOW SAND 10 OBS
I DRIZZLE VISION
00-02 .7 B.j 8.0 28.8 4.1 32.9 535
U3-05 1.0 8.3 A.3 3 38.5 2.4 40.9 509
06-08 .5 6.5 8.5 38.2 4.3 42.5 b49
09-1I .2 5.6 5.6 16.1 17.2 23.3 h39
12-14 .3 S. 5.9 5.6 21.9 27.5 651
15-17 .2 7.t. 1.6 2.9 73.4 6.3 615
18-20 .9 8.3 8.3 7.3 10.9 6.0 b88
21-23 .d 6.- b.2 72.8 7.8 30.1 548
TOTALS . s 7.3 1.3 20.0 12.5 3Z.S 4840
................................................................................................................................................
GLOBAL CLIMATOLOGY PRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF WEATHER CONDITIONS
USAFET AC FROM HOURLY 03SERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIrRIKZET NL PERIOD OF RECORD: 77-86MONTH: SEP
I RAIN FRZING SNOW % DRS SpI0KE DUST 5 0BS
HOURS I TSTMS C/OR RAIN c/OR HAIL WITH FOG E/OR BLOWING C/OR W/oBST TOTAL
ILSTI I URIZZLL L/Op SLEET PRECIP HAZE SNOW SAND TI 06S
I DRIZZLE VISION
00-02 .2 7.5 7.5 31.4 5.3 36.8 544
03-OS .2 7.5 7.5 35.6 5.6 41.2 519
L6-OS z 11.0 11.0 T37.7 4.7 42.4 620
U9-II 10.1 10.1 22.8 12.6 35.4 596
12-141 9.6 9.0 7.1 71.1 28.2 6N8
15-17 9.b 9.6 6.5 20.4 21.0 612
18-20 .5 9.3 .2 9.4 13.9 20.5 24.4 657
21-23 1 .6 9.2 9.2 25.0 5.3 30.4 543
TOTALS 1 .2 9.2 .0 9.2 22.5 10.7 33.2 4739
STATION NUMRER: C63250 STATION NAME: ZIERIKZEE RL PERIOD OF RECORD: 77,79-86
MONTH: OCT
I RAIN FR7ING SNOW % OeS SMOKE DUST I 096
HOURS I TSTMS C/OR RAIN C/OR HAIL WITH FOG C/OR BLOWING C/OR W/OBST TOTAL
ILSTI DIZZLL C/OR SLEET PRECIP HAZE SNOW SAND TO OBS
1DRIZZLE VISION. .. . . . . . . . . . . . . . ..................... ............... .....°.........* ........... °. * . .°°.. .. .
nO-o2 .5 13.U .2 13.2 26.9 l.A 8.R 546
03-05 .2 23.2 13.2 31.2 1.1 32.3 551
06-08 .3 23.7 13.7 35.9 1.2 37.0 b0
U9-11 .2 23.1 13.2 32.1 5.9 38.0 595
12-14 .3 11.9 11.9 19.7 15.8 30.6 631
IS-17 .7 12.8 1.8 13.0 24.2 27.2 569
18-20 .8 13.3 .2 13.5 23.2 5.2 28.3 670
21-23 .5 15. 15.9 26.1 3.5 29.6 570
TOTALS. .I 21.2 .111.2 25.4 6.1 31.5 '467D
..................... . ........................... ....................... ...............
a
GLOBAL CLIMATOLOGY BRANCH PERCFNTAGE FREQUENCY OF OCCURRENCE OF WEATHLR CONDITIONS
USAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEC NL PEDIOD OF RECORD: 77,19-Rb
MONITH: NOV
I RAIN FRJINb SNOW % OBS SMOKE DUST 0 OBS
HOURS I TSTMS C/OR RAIN &/OR HAIL WITH FOG K/OR BLOWING C/OR W/OBSI TOTAL
LSTH I DRIZZLL C/OR SLEET PRECIP HAZE SNOW SAND TO 01s
I DRIZZLE VISION.. .. .. .. .. .. .. . . . . . . . . . . . .. . . ..°. . . . . .. . . . . . . . ............°.°... .. ... ...... ,,,o
00-02 11.9 11.9 30.0 1.4 3.B 494
03-05 I3.6 .4 13. 31.0 2.0 33.0 455
06-08 14.4 .7 15.0 29.4 3.5 32.9 541
09-11 15.5 1.7 .2 lb.R 21.9 7.r £9.G 483
12-14 15.0 1.2 .4 16.0 14.8 1T.8 29.6 Sb
15-17 13.4 1.0 .2 14.2 13.8 13.6 T.4 493
18-20 1b.0 .5 16.4 71.2 5.8 27.0 556
21-23 I 14.1 .6 14.7 22.1 5.7 27.8 475
TOTALS 14.3 .B .1 14.9 23.0 6.8 Z9.8 4364
STATION NUMBER: 063250 STATION NAME: ZIERIKZEE NL PERIOD OF RLCORD: 77-86MONTH: DEC
.. . . . . .....o ' . . . . . . . . . ..°. . . . . . . . . . .. . . . . . . .... . H . ' ' o' . .° .. ... .. .. ... .. °. ... °... ..
I RAIN FRZING SNOW % 0bs 4OKE DuST % OBS
HOURS I TSTMS 6/OR RAIN C/OR HAIL WITH FOG C/OR BLOWING C/OR W/DRSI TOTAL
(LST? I DRIZZLE LJOP SLEET PRECIP HAZE SNOW SAND T0 OBS
I DRIZLL VISION. . . . . . . . . . . .... * .... .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... ' . o . . . ° ° ' . . o. ° .. ... .. ..
00-02 I 13.8 1.3 .2 15.0 30.9 3.0 33.9 472
03-05 I.b 1.9 .7 13.4 33.7 3.1 36.8 424
O6-D I 11.6 1.S 12.3 35.2 3.1 38.3 543
09-11 I14.2 .2 2.5 .2 16.3 34.9 5.2 40.2 478
17-14 34.2 .5 2.1 16.0 29.7 10.4 40.1 576
15-17 13.2 .6 .9 14.5 1.7 a.3 4O.0 470
19-20 10.6 .2 .9 11.6 14.9 5.4 40.3 559
21-23 1 34.5 1.9 15.6 32.3 4.0 36.z 480
TOTALS I 12.9 .2 1.b .1 14.3 32.9 5.3 38.Z 1OO2
. ....... ...................................................... ................
-4mm
GLObAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF WEATHER CONlITIONS
USAFETAC FROM HOUqLY OBSERVATIONSAIR WEATHeR SERVICE/MAC
STATION NUM9ER: 063250 STATION NAME: ZIFRIKZE NL PERIOD OF RECORD: T7-87
MONTH: ALL
I RAIN FRZING SNOW % Dos SMOKE DUST % OBSHOURS TSTMS LIOR RAIN C/OR HAIL WITH FOG i/OR BLOWING C/OR W/OBST TOTALILSI) I DRIZZLE C/OP SLEET PRECIP HAZE SNOW SAND TO BS
DRIZZLE VISION
JAN ALL , . 13.4 .1 3.A .1 16.4 26.2 4.8 31.0 3966
FEB 1.6 .1 2.4 .0 9.8 35.0 18.7 53.7 4903
MAR 13.5 .0 1.0 .0 14.4 27.8 14.1 42.0 5331
APP .1 9.9 .4 .1 10.3 17.3 13.6 .0 30.9 4841
MAY .4 1O.b .0 1J.6 15.2 9.3 24.4 3902
JUN .5 10. .1 10.0 16.0 11.6 7.5 4060
JUL .6 8.1 8.1 16.1 13.0 29.1 4638
Aub 5. 7.3 7.3 20.0 12.5 32.5 484U
SEP .2 9.2 .0 9.2 22.5 10.7 33.2 4739
OCT .4 13.2 .1 13.2 25.4 6.1 31.5 4670
NOV 14.3 .8 .1 14.9 23.0 b.8 29.8 4064
DEC 12.9 .2 1.6 .1 14.3 32.9 5.3 18.2 4002
TOTALS .2 10.8 .0 .8 .1 II.S 23.1 10.6 .0 33.7 53956
._I .
p~pppppp AAAAAA RRRRPR TTTTTTTTTT AAbRPpppPPPpp AAAAAAA A R 5?RRRRRR TiJITTITT PBSBPPPPBBPP PP A~ AA RRT RR TI P S pPP PP 1.A AA RP pp? TT PA BBPPPpppppp AA AA RPI RR TT BP 88~PPPPPPPp AAAAAAAAAA R )R:?RRRRp TI 68abssBPsPP RRRRAAAAAAAAA RI Q P ITT PBB BBRPP t.~ A A RP P R 7? T P BBPP A A AA R PP TTs PBBFBPP A A AA RA R R T T RPTBRBB
AE SUPPLE ME MYAL SEC lION (S'UMMARY OF Da AOYST71 I FOR THE SL SUMWAIES.
pppppALALtA A RRRRRRRR CC~cccPPPPPPPPp AALIA RQIRRRRRR TTTVIYVT1 CCCCPp PP AL A AA RLTCCC CCRP PP RA TA TA A CC cPppppp 40 AtL RrR RR 71 C
pppppppp AAAAA R 4RRRRR T? TccPP AAA LLAA R q R 11 CPP A A AL A p A ORT1 Cc cc
pAA LA R R 1CCCECCCPLA AX RR AR 11 TCCCCcc
IJIVARTATL PERCLNTALE rR[ gUt.CT 7ABULATION' Of SURFACE %INDS
nATA OFHIAIID FR04 HOUPLY UATA.
PNESrNTE) ART 1.4 PEwcrNIAGE FREOUINCV OF WIND UIRICT ION TO 16 COMP~ASS POIfit , (AL- AND VARIABLEVERSUS ..LND SPFItf IN ooILIS IN IkCP MINTS OfF EAUFQPT CLA-STFICATIONS.
PEO'CFNTA5,ES ARE o.iomN ny BOTH otRECvtoNs AND sptED, AND tN ADDITION THE PLAN ITNV '.PLED IN GIvtuIFOR EACH4 OIRFCTIch.
DATA PrL S!NTEO by TH jA T1AFAITAR 3-HOUR 1114k GROUPS PT MONTH * MONTHLY AND A4N1IALL I ALL YEARS C'TMTIKED I..
A SEP'ARATE ANNUAL TARLE PRESENTS TOE S.AM- BIVARIATI DISTRIBUTION% WITH TPOSIT crIt INC,/VISIBTLITYLIMITATIONS: WHFN VISIt ILITIS EQUAL TO 36I GQLATfR THAN It.Z MILLS, THE ctLINGS ART 2:10 TO 1140n FELT AND/OR WHENTHE CETLING IS LQUAL TO' OR URLATER THAN 2030 FEET. THE VISIBILITIES ARL 112 IHAOJGH 2 1/2 MILES.
A PtPLINTAGE VAEUL Of -. 0- IN THESE TAPLES INDICATES ONE OR MORE OCCURRLNC.PS AsMOuNTING To 11.55 THAN..CS
GLObAL CLIMATOLOGY RRA1CH PLRCFNIAG[ FPtQU:.6CY OF OCCURRINCL OF SURFACE WIN LulkLTION VERSUS wINU SPFqU
USAFETAC FROM HOURLY OBSERVATIONS
AIR I[EAYHER !ERVICE/MAC
SIIION NUMRLR: U632 STAY IOf. NAME : ZIIRI6[( ML P91E-1 OF RECOPO: el-$?"DrtN: JAN HOURSCLSTI: 0OC'-OZG.
I WINO SPEED IN KNOTS
DIRECTION I 1-3 9-6 7-10 lI-lb 17-21 22-2 2.-3. 3%-%r, .01-A? AS-SI 4r S6 TOIL MEAN
IO[[[REESI % 1 INo........................................................................................................... .. ;......;. ;......N .6 . 11 .. 9 7.9
NNE .2 .2 , A . 1.1 9.6
All .4 1 .Y I 2. 3 .' 1. I.
INE .6 1.? 1. . .6 7. 1 ilA
L .9 2.t 2.9 2.? 1.. 9.0
ISC I . *SE .9 .2 .2 1). .0W
SF .? 1.. . b .2 . 7.
SSE .6 ., .7 .6 *A .' .. .1.2
$Sl I .v .2. 1,5 . 7.1 A.2
SSW .9 1.9 3.0 .5 2.7 .A II.Q
II.
.5 I .2 .' 23 2.Z 2.5 .A .6 6a.. 1,r
WSW .4 .9 1. l.A I. * ? .2 9.1, 19.0
I .6 .. .A '.. 2.6 1.3 . . t. 27.l
66* I . .6 7.A 1.3 7.7 .7 1.2 ~I .2N I . 2.7 1. 2.2 .A 3.9 A..
NNW .A .6 .9 . 1. .4 I.. 9.0
VARIABLE I .& 6 .
TOTALS I 6.2 29.. 2S.9 2P.9 13.3 q. 3.7 1.5 100.0 12.7
lOTIA NuRIR OF OPSEIVAi3ls: AR!
.ek_
GLOHAL CLIMATOLOGY BRANCH PERCENTAGE FREQUrNCY Of OCCURRENCE OF SURFACE WIND DIRICIION VERSUS W140 SPEEDUSAFEJAC FRO4 HOURLY OBSERVATION'AIR WEATHER SERVICLEMAC
STATION NUMBLPI 063250 STATION NAME: ZILRIKZE' NL PERI10 OF RECORO: AI-6S,StMONTH: JAi HOURSILSTI: OOC-SE0
I iINO SPEED IN KNOTS
UJRECTIUN I 3-3 4-6 1?-in 1-16 17-21 22-7T 28-33 34-O 4I-4? 4R-55 GE S6 TOTAL MEAN
....... : . .............. ...... ..... 0..... ; ...... ..................................................... i,.............
N I .5 1~ .9 1.6 .2 4.6 *
uINE .9 .1 .. 2.1 7.2
Nt .5 1. 1.6 .? 9. 1 .
ENE I.1 3. • 2."3 2.1| .T .3 9.2 I 1.
f I 3.9 1.3 3.9 .A .Si5.- K.T
SE f.9 . .2 ?. t 7.3
556 - .7 •" 2.3 1.; .7 .2 T.T 11.1
Sw .1 3.6 3.0 .9 Z.1 .S .2 13.9 14.7
WSA .5 1 . .9 .b .7 .s .9 y 8.9 15. 1
3 1.1 I.A '.% 2.1 2.3 1.6 .2 . iT.4
h.7 7. 2. 1o 2.5 .,.9 I
9M I .,, •.5 .5 . 1.3 17.1
RAiABiEf I 2.3 2,' l.ll
I?
LALP I/j/1111/ili pmII If II/If IfII I I I II/IilI
OIAL% 1O.1 11, . 2O.C 2.3 10.1 8.1 3.2 3.9 0D .f 13.0
I11. NluMBER OF OMSIS ViliO9S: 91$9
LO:,AL CLIMAIOLO(.V 146AI' P116CENT6]. FQ&OtmjjiCY 0F OCCURfAlft Of SURFACE wi14, 0l61(IIO14 wh9sUS wI'Eo lpftUSAFtI Ac C RO4 04016LV OPSIQVA'lflN'AIR WINERd stRvlttfI4AC
STATION NLJMPI.P C6325-,' 1.f1 II ObN AME . Ilf RIK '4L Pf 'l'nO ('I QtCORJ: 14,43-S?MININ: JAN .4UQS11511: )J3E
D NE II0 I *6 .4 1.t I.1 6 1 .? 2 1*6P1 ?1 5 1 -u %1-6 ss S 6.7A -1 A
14147 I .6 I..' .0 22 6.
hr .6 1.6 1.6 .2.b. .
I6 Ir .6 7. a- ..2 1 .6.7 I '
7 I 1.6 .6 6 .I..1 a. .6
'6 ~ . .2 16 .1.6 1 . 6 26.
K: U 24. . 6 .5 2.6 .2~ l.
10 16A I 94 11 .6 2. 16.9 9.6 1.6 .6n' .2 10. 1.
TOTAL. 1411661 0f tPSISViTI*'46: .j
GLUR. CLIHAIOL06Y FRANuC" PERCENTIAGE FR(OtjiCi OF OCCURRVNCE Of1 SUQFACr WIND bIREClIOE YrRiSU WIND SP((QUSAIC SAC IRDI HOURLY OBSfRRAT3ONSAIR WEATHEIR SLRV3CE/6A(.
STATION VURiLQ: C637ID 51 0% "A5'Of 11FRI1l Pot PEPJOD oF RECORD: ?PS-,7MONTH: JAN HOURSILSTI 39X~a-13ct
DIRE&CTIbON 3- q - 1-10 11-16 11-21 22-? 1 28- 31 34-%0 %43-4 7 46-55 bt S6 TOTAL ME(AN
lDE (.P'f5 I s I6Ib,!)w
6t61 1 .% 5. 6.6
Nf Ibz3" 2. 2. 0.
Ed .. I. .6 .9 .. 1. .
I5 I I.- I. . % 3.41 .2 4.f. 7
I~~. 3.7 .7 1. . 2 3 .
Ih r6 1. 3.9 1..0 .66. 1i.3
old .4 .t . . .4 .6 74 3.
(It" Ijitjiotj o/ ot I fIloti,1to ito //t1tt Allfool j/I/ to jjj/ it jjnjo/j ItjItf,/,,ippoj to /1 011 ///1 1
TO'AI I at.I 34.' .3 24 30.4 6.4 .4 1.2 13Dl.3 31 .
I 1 At Nu"S3t vof O%%SMYAI1344: 461
GLOBAL CLIMATOLOGY BRANCH PEQCENTAGE FREGUONCY OF OCCURRENCE uF SURFACE 140 DIRECTION VERSUS WIND SPEED
USAFLIAC FRO4 HOURLY OBSERVATIONS
AIR WrATHER SERV1CEIMAC
STATION NUMBEQ: 063259 STAT ION NAME: ZIERIKZE NL PEPOU OF RECORD: 78,83-87
MONTH: JA% HOURSILSrI: 12U0-600
I WIND SPEED IN KNOTS
DIRECTION I 1-3 1-b ?-10 11-lb 17-21 22-? 7 28-33 36-60 41-47 68-5S 6E 56 TOTAL MEAN
IO bRC| I WIND............................................ ........... .........,..............,...
"'"N I .6 .6 .9 1.1 .6"' 3.3 I0.3
NI.E .2 3.3 3.6 .9 3.6 8.6
: I .7 ,' 1.1 .2 2.0 7.8
NI .4 .2 1.3 13. .? 1.3 5.2 l6,P
f .2 2.r 1.8 2.7 .9 7.6 10.3
ISE I .2 4 .6 . 2 .2 1.6 9.8
SF I "2 3.3 .5 .5 .5 .9 10.
'ISE .2 ?.? .5 1.3 6.2 6.0
1-3.3 2.6 2.5 1.8 .? 8.1 e.0
SSW .5 .6 4.3 ?.9 1.6 1.6 .2 12.3 12.6
Sd .6 1.1 3.6 2.2 .2 .9 .1 9.0 12.7
WSW 1.1 .S 2.5 3.6 2.5 1.6 3.b .6 ., 16.! 1b.5
W: .? , 1.6 3.1 Z.5 2.03 .S 3.1 1 .6 17. ?
MBw .2 3.3 .6 .5 1.8 1. 5.6 15.8
NV .2 .2 1.6 .2 1.1 .6 4.0 li.9
N:W 1 1.1 3.1 .6 .9 .2 3.6 16.3
vIAIASLI I 1.3 3.5 ""2.1
CALM 0,111jj 1jii//i"/j//j /I II/Ill
IOIALS | 6.9 3.7 26.2 21.3 3.2 11.6 $.6 3.6 .2 100.0 J1.0
TOTAL NURIBOF f OSAVATONS: 5S3
fik
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUCNCY Of OCCURRENCE Of SURFACE WIND DIPECTLCN VERSUS WIND SPEED
USAFETAC FRO4 HOURLY OBSERVATIONS
AIR WEAIHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE: NL PEP10D Of RECORD: 78,80-87MONTH: JAI, HOURsILSrI: 1500-1700
I WIND SPEED IN ANOTSDIRECTION I 1-3 8-6 7-10 Il-lb 17-21 22-27 28-33 34-40 41-47 46-55 GE 56 TOTAL MEAN
IOEGRrESI I S WIND....... : ............. ........ ........ ;................;.......................... ............ i.................a.....i . .
N I .2 .8 . .9 .2 2.8 3.
RNE .8 1.1 .7 1.5 .7 8.8 10.2
NE .7 1.1 .7 .2 .2 7.9 6.S
INE .7 .Y 2.0 2.2 .7 1.1 6.p 12.7
E .7 1.1 1.5 2.2 .9 6.4 9.9
ISE 1.1 .2 .2 I. 7.3
SE .7 .7 .9 .7 2.4 8.2
SSE .7 2.Z .2 .9 4.0 6.9
S .7 3.! .9 2.Z .7 7.c 9. 3
SSW .9 2.n 2.9 1.8 .9 .* .7 9.s 11.6
SW .2 .9 3.1 1.8 .2 1.3 .2 .7 7.9 13.4
WSW .2 7.6 2.9 .6 Z.8 1.8 .7 .2 15.4 14.]
W .8 .7 .9 2.8 3.5 2.3 1.S .2 . 12.1 J9.2
.NV q. .1 .9 2.9 2.3 7.3 17.4
NW -. -7 1.1 .7 1.3 8.6 18.8
NN .8 .8 1.3 .9 .2 .8 3.7 11.5
VARIABLE I 1.3 1. 1.0
TOTALS I 7.9 19.1 20.8 21.7 13.6 10.s 3.5 .7 .4 100.0 12.7
TOTAL NUMMER OF OBSERVATIONS: 86S
GLOBAL CLIMAIOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED
USAFETAC FRO4 HOURLY OBSERVAT1ONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION MAME: ZIERTKZE- NL PERID OF RECORD: TeB.u-BTMONTH: JAN HOURSILSfI: IR00-2300
WIND SPEED IN KNOTS
DIRECTION 3 1-3 4-6 7-10 11-16 17-21 22-?7 28-33 34-4D 41-N7 48-55 GE 56 TOTAL MEAN
fDEGREES! I I WIND
N .4 I.6 .5 .5 .7 4.8 7.4
NNE .5 .6 .2 1.4 .4 3.0 9.9
NE .9 .9 1.4 .7 .7 .2 4.% 9.2
ENE .5 .2 2.0 1.1 1.1 .T 5.5 13.0
E 11 .7 1.6 1.8 .7 5.9 9.1
TSE .4 1.6 .9 .4 3.2 6.8
SE .2 .9 1.1 .7 2.9 9.4
SSE . 3.4 .4 1.4 3.6 8.9
S .9 2.5 3.2 2.8 .7 .2 10.7 9.3
SSW .9 .9 2.8 2.1 2.0 .9 ,7 .2 10.s 14.1
SW .2 1-6 1.8 .9 1.4 .4 .9 .2 7.3 14.3
WSW. .9 1.6 3.4 2.3 1.2 .9 .2 10.7 16.3
W .9 .9 1.8 3.4 2.8 3.S 2.0 .4 .4 1%.0 17.6
WNW .5 .7 2.1 1.4 1.6 .7 .2 7. 13.0
NW .5 .2 .4 .2 .2 .2 1.6 12.6
NNW .7 * .7 .9 .2 3. 9.,4
...................................o , -- .........,.. .... . . . .. . . . . .. . . ......o,. 1.2VARIABLE I 1.212 1.
CAL" .5 III
TOTALS 1 31.4 16.0 22.0 23.3 14.6 6.2 4.8 .9 .4 100.0 12.2
TOTAL NUMBLR OF OBSERVATIONS: 563
Jo
GLOPAL CLIMATOLOGY BRANCH PERCENTAGE FREQUCNCY OF OCCURRENCE OF SURFACE WINO DIRECTION VERSUS WIND SPEED
USAFETAC FRO4 HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 78,1-87MONTH: jAN HOURS(LS5).I 2100-2300
I WINO SPEED IN KNOTS
DIRLCTION I 1-3 4-b 7-10 11-lb 17-21 22-?7 28-33 34-40 41-41 66-5S GE 5b TCTAL MEANIDEGR:ES) I I WINO
N 1.1 1.3 .6 .b 3.4 5.8
NNE . .2 .6 .# .6 .2 2.1 16.3
NE .2 .p .8 1.1 .6 .4 4.4 11.6
ENE .4 1.7 1.1 1.3 1.1 .6 5.7 11.8
E 3.5 1.3 1.5 ?.1 .6 7.0 9.1
ESE .6 1.9 1.3 .6 4.2 6.3
SE .4 1.9 .6 .6 3.6 6.5
SSE .2 .6 .8 1.9 .2 4.0 10.6
S .8 2.S 1.7 1.5 .6 7.0 7.9
SSW .6 2.3 1.5 2.5 .8 .4 .2 8.5 11.0
Sw .6 3.1 1.5 2.8 1.5 .8 S.1 13.6
USW .2 A 1.5 3.2 .8 .6 2.5 .4 10.2 18.2
W .6 1.7 1.9 4.0 2.1 2.1 1.5 1.1 15.0 16.8
WNW .2 . .8 2.5 1.1 .2 .6 S.7 14.6
NW .2 1.3 3.3 .6 .2 6.2 10.8
NkW °. 1.9 1.9 .8 .2 .4 5.5 9.?
. ° ° ° . ° .°. ° ° ° ° ° . . ° ° °VARIABLE I 6.6 1.3
TOTALS I 8.6 21.6 18.6 27.5 10.6 5.3 5.9 1.5 300.0 12.1
TOTAL NUMBER OF OBSERVATIONS: 672
1.L.
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND UIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICEiMAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEC NL PERIOD OF RECORD: 79,8O-R7MONTH: JAN HOURSILSTI: ALL
...........................................................................................................................
WIND SPEED IN KNOTSDIRECTION I 1-3 4-6 7-10 11-16 17-21 2?7 28-33 34-40 41-47 48-55 GE 56 TOTAL MLANIOEGRrES) I 1 bIND
N . . .7 .9 1.1 1.0 .3 .0 1 4.0 .A
NNE .4 .9 .7 .7 .2 .1 .0 2.9 9.0
NE .4 , 1.0 .7 .4 3 3.,7 10.0
ENE .6 .9 1.5 1.8 .9 .R 6.5 12.1
E .9 1 * 3 1.4 2. 1 .4 .0 6.1 9.1
[SE ,3 . •.2 .7 .3 .3 2.9 7.8
SE .2 1 3 .5 .7 .2 .2 3.1 9.2
SSE .4 1.4 .6 1.1 .2 .3 3.6 8.9
S .9 2.7 2.4 1.9 .3 .2 8. 8.5
SSW .8 1.4 2.7 2.8 1.2 .q .3 .1 .0 10.2 12.3
SW .4 1.3 2.6 2.3 1.3 .8 .5 .1 9.3 13.3
WSW .4 .9 1.8 3.3 I. 1.1 1.1 .4 .0 10.7 16.2
W .4 1.1 1.4 3.9 2.6 2.3 1.1 ,S .1 13.2 i.I
WNW .4 . 1 1.2 1.7 1.8 1.3 .1 7.2 IS.0
NW .4 .7 .6 .9 .3 .6 .1 3.5 12.6
rNNW .4 .7 1.0 .8 .2 .3 .1 3.4 10.8
VARIABLE ... .1 1 1.4 ..
TOTALS I 8.8 18.2 21.3, 25.9 12.5 V.4 3.4 1.1 .2 100.0 12.2
TOTAL NUMBER OF OFSERVATIONS: 3938
-A
GLOSAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEUUSAFETAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063259 STATION NAME: ZIERIKZE" NL PERIOD OF RECORO: 80-87MONTH: FEB HOURSILSTI: 0000-0200
I WIND SPEED IN KNOTSUIRECTION I 1-3 4-6 7-10 11-16 17-21 22-27 28-33 34-40 41-47 48-55 GE 56 TOTAL MEAN
IDE GR- E S I % WIND
N I . .S 1.6 5.7
NNE .5 2. 3 .9 .9 4.5 6.9
NE .9 2.4 3.3 3.0 .7 10.2 9.1
ENE .7 1.9 4.2 4.7 2.1 .2 13.2 11,I
L I.9 2.6 2.8 6.9 1.8 .5 16.1 10.7
ESE ,3 •3 1 3.5 1.2 .2 8.3 7.9
SE .3 2 1.9 .3 5.2 6.5
1SE I I"T 1.2 2.3 7.0
S .2 4.5 3.5 .7 8.9 7.0
SSW .2 3 .r 1.2 .2 .5 5.0 9.O
SW .2 1.8 I.n .7 .3 .2 5.r 11.9
WSW .5 1.7 t.8 2.1 .9 .3 .2 7.1 12.2
I .7 3 1.2 1.6 .5 .5 .3 5.2 12.7
WNW 5 1.0 .3 .3 .3 2.6 12.2
NW .2 • .7 .2 .2 .2 1.9 10.5
NNW .2 .T .3 .9 S.4
CALTMABL i . . 1.2 1.1
TOTALS I 0. 29.1 29.C 22.6 7.5 2.6 .5 ,1 .2 100.0 9.8
TOTAL NUMMEP OF OBSERVATIONS: 576
GLObAL CLIMATOLOGY BRANCH PERCENTAGE FREOUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONS
AIR wEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 7T-87MONTH' FEB HOURSILSTI: 03JO-OSO0
......................................................................K O;S.....................................................
WIND SPEED IN KNOTSDIRECTION I 1-3 N-b 7-10 11-16 17-21 22-77 28-33 3q-No 41-7 48-55 GE 56 TOTAL MEAN
IDEGR ES ) I W ND
N .3 .2 .3 .9 . 6
NNE 1.0 2.6 1.9 .3 5.9 6.3
NE .9 1.7 2.9 2.8 .3 8.i 9.1
ENE .7 3.3 5.4 6.1 1.9 17.3 10.3
E 1.6 2.6 3.5 3.6 1.7 13.0 9.7
FSF .9 4. 3 2.2 1.0 8.5 6.9
SE .2 1.7 1.0 .2 3.1 6.7
SSC .7 1.4 .9 .3 3.3 6.2
S .5 2.6 2.2 .3 5.7 b.N
SSW .3 2.4 2.1 .5 .5 .2 6.1 8.7
SW .7 1.7 2.1 1.2 1.4 .2 7.3 10.S
WSW .2 . 2.1 1.6 .5 .5 •3 .2 6.2 1 4.0
:w .5 •7 1.0 2.6 .5 o2 .2 5.7 11.5
WNW .1 • 5 .S 1.2 .7 .2 3.6 13.0
NW .2 .3 .2 .3 .2 1.2 9.9
NNW .3 .s .5 .2 1.6 6.3
VARIABLE 1.2 1.2 1.
TOTALS 10.4 27.9 28.9 22.1 6.6 2.1 .? 3 . 100.0 9.1
TOTAL NUMBER OF OBSERVATIONS: 528
J.L
(,LO[,AL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WINO DIRECTION VERSUS WINO SPEEDUSAFET AC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/FIAC
STATION NUMPER: 063250 STATION NAME: ZIERIAZE7 NI. PERIOD OF RECORD: TB-RiMONTH- FEB HOLJRSILSII: 060nI-0600
........................................................................................................................................I WINO SPEED IN KNOTS
DIRECTION I 1-3 N-6 7-10 11-16 IT-Zi 22-2 ? 28-33 34-4O 41-4T 46-55 GE 56 TOTAL MEAN(E rE I % hIND
N I 1.3 1.1 .3 .3 3.1 5.1
NNE I1.8 2.4 1.3 5s , 6 .3
NE I .5 2. 7 3.4 1.1 .3 8.1 8.1
ENE I .R 2.! 3.9 6.8 1.0 .z 1N.8 1I.7
E I R . 4.0 N.7 1.3 .6 14.4 10.5
ESE I .6 2. 1 3.q .8 6.9 7 .4
SE I1.6 1.5 3.1 6.4
SSE I .6 1.6 1.8 4.0 6.0
S I .6 1.9 2.4 .6 .5 6.1 3.8
SSW I A. . 2.7 .8 .2 6.6 7. 3
SW I .6 1.0 2.1 1.0 .2 .5 S. 3 9.9
WSW -.3 .q 2.N 2. 1 .5 .8 .6 S. 81 1 4.5
I .6 1~ 1 .1 1. 3 .8 .2 .2 5.6 10.4
WNW I .6 .3 1.1 1. 1 .2 .3 S5 N.2 12.6
NW I .2 .2 .3 .6 13.
NNW I .2 S . A8 15.0
VARIABLE I 1.9 1.9 1.2
TOTALS I 11.0 23.7 32.6 21.9 N.T 3.4 1.5 .5100.0 9.3
TOTAL NUMBER OF OBSERVATIONS: 620
F
bLOkHL CLIMAIOLOOV PRANCH PERCENTAG( FPLQU[NCY OF OLCURRENC( OF SURFACF dIJ UIR[ClION VIRSUS WINO SPCEU
USAFFTAC FROG HOUNLV O0$9SEVAIJUS
AIR IWATHER SERVICE/MAC
STA71ON NUMBER: 063253 STAT(ION NAME: ZIFRTK2E- NL PERIOD Of RLCORP: l-81'GONT.: FEB HOURSIL',Il: J930'-IirJ
I wINo SPEED IN KNOTS
DIRECTION I i-i I - 1-20 11-Ib 17-21 22-! 7 20-33 SNo-0 41-N1 N4p-s5 t[ 56 1EIAL MtAN
IODEGRESI W I1C.......e.... .. . .. . . .. . .. ..........*.. ,o . .. . ,................o ....... ... ° .. ... ......... °. .. ......... .... ..... .. .......
N I .2 ." 1.2 .8 .3 ".- .
TINE .3 2 1.5 .3 1* ,
Nr .7 1 . 3.1 3. 3 1.0 .3 iz ~.!f NE .7 J. 2.1 S.6 1.2 s5(. 1".4
t s .5 21 1. 3 . 2.5 1.1 6.
USE .7 2. r 3.0 1.0 .2 9.' .2
SSE 1.I 1. I.S
S .7 . 2.5 I.2 2. 6.1 .. f
SSW ~ R 1. 1.8 1.0 .5 A. .s
SW .5 3 3.0 1.0 .3 6.6 A. I
WSW .7 .8 .6 1 .A. . .9
i .5 .8 1.0 1.8 .7 .8 .2 .2 5. , 5.6
WNW .3 .3 .7 1.0 .8 .3 .2 T.P, iT.'
Nw .3 .1 .2 .3 .2 .2 I.' 9.5
NN, I .o °o°
CIRIARL I 2.3 |.8 0.8
TOTALS I 9,2 20.6 12.3 23.8 1.6 5.8 .1 .S I00.0 10.1
TOTAL NUMBR( OF OBSERVATIONS: 6(6
.- 1,
"PL~AfL~1AAC ptociTAIi~ FPC.JU"icv or OC2Ruu.RENC,. of uqf&Ct .1%, uI03C'c, , VIUSUS .1%0 spi FL2JShFE1AC fQ004 HOURLY' Op 449*2lO'.AIR FIATHER !.ERVICEIMAC
S,103202 4uppia: DfE.12V1 A I (A %&"( a1 91%2 it -itX D Q(P 1C jej r 7- 4
S493: If' 4OUR,2 1,!2 ., I I
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k. .7 ., 32 1.
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I 999 PON L OF OR. a' 0 A fA 134s.91
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6t 0,4aL CLIMATOLOGY7 BRANCH PEqLENJvQE FPE u. NCY Of OCCuRR NrE Of SURFACE WIND LII6EETION VERSUS WID19 SPEEDUSArI~ a AC FRO4 HOURLY OBSIRVA3 ION'AIR WATH(FK NERVICEt8Ac
STATION 14UMBR ; U63,0 SI A II ON %AM[ 2Ik8UNL PEUIIL, Of FEEOPD: S0-87MnNTH: MIA HOURS(LST): 0300-05C3
I WIND SPEED IN KNOTSDIALETION I I - 1 8-6 1-10 Ib 17-21 22-? 7 28-33 34-46G 14 8-47 48-95 GE 'b IEIAL MEAN
fNkf I I . I. 1. .3 .2 .2 8.(, 9.0
N9 I .2 . 3. 3 .? .2 .3 .9 9.1
t~~ 41 1i IP .8 .7 .9 38. .
I . . 31 13 . 6.0 7. 3
(1 I . . 2 . 2.9 6.9
SE 9 . 2.1 .1 .9 3.9 9.0
s5 Is .8 f. 2.8 175. 6. 7
S I .i .1 1.8 1 .5 .7 B. 7.9
SSd I 9 28 3.6 2.8 .9 9.8 9.0
Sw I 7 4. .7 2.8F 1 .9 .3 .2 12.9 10.2
WSW I . .5 3.6 3. 1 . 9 .5 S 0.6 1.8
K .6 1.'1 2.3 2.4 S.9 .9 . 9.6 113.2
AN 3 I. 8 2.0 .. .7 A .9
N y . .7 1 .3 7.P 9.S
%A8W I .8 .3 x .8 .2 2.6 16.4
VAL I .7 1.6/
TOTAL% I i7 2 . I SI.? 2 1.5 9.9 2. 3 2. 3 .7100.0 8.4
TOTAL 8tURPESK Or UPSF RVAID: 604S b1
rAN, .
LOaAL CLIMATOLOGY BRANCH PERCENTAGE FREOU7NCY OF OCCURRENCE UF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIFVIK?E- NL PERIOD or RECORD: 7V-87MONTH: MAR HOURSILSTI: 0600-O0
..................................................................................................................... .......................I WIND SPEED IN KNOTS
DIRECTION I I-3 4-6 7-10 l1-lb 17-21 22-?7 28-33 34-4D 9-17 98-55 GE 56 TOTAL MEANIDEGREESI I % WIND
...... ...............;........;........;................;...... . ............................................. ... .... ... ;......
N .1 .9 1.0 .9 .3 .1 2.9 1J.0
,iNE .4 .4 1.4 .6 .3 3.2 9.5
NE .9 .7 1.6 .9 .1 4.2 7.6
ENE I.6 1. 1.7 1.0 .7 .1 7.1 P.1
E .9 1.7 .9 1.7 .9 5.7 A.7
rSE .6 .9 1.7 .9 4.1 7.5
SL .T . 1.9 .4 .3 .9 3.R 9.8
SSE 1.0 2.9 1.6 .1 .1 9. 6.3
S .7 2.5 1.9 2.3 .3 .1 8.0 9.0
SSW 1.0 2. 3.6 9 .3 .4 .3 12.Z 9.6
SW 1,2 3 . 3.9 3.5 1.3 .1 1 13.3 9.6
WSW .3 1.7 3.2 3.3 1.3 .6 .6 .1 II.? 13.1
w .6 1 . 2.5 3.5 1.2 .6 .3 .3 9.9 13.n
WNW I I . C 1.3 1.3 3.5 8.5
NW .9 ,3 . 1.4 e.2
S.NW .6 .9 .9 .6 .1 . 2.6 10.7
............ " . ........ ;........................................................................................7........5......
TOTALS I 12.0 22, 26.6 25..' 7.1 3. 1.0 .9 300.0 9.6
IO1*1 NuMBER OP OOSERVATITNS: 690
-4- _
GLOuAL CLIMATOLO0Y BRANCH PERCENTAGE FBEOU-NCY OF OCCURRENCE OF SURFACE WINL) DIRECTION VERSUS WIND SPEED
USAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 ST ATIO. NAME : ZIFBIKZE- NL PERIOD OF RECORO: 78-87MONTH: MAP HOURSILSTI: 0900-1100
I WIND SPEED IN KNOTS
DIRECIION I 1-3 4-6 7-10 11-16 17-21 22-27 28-33 34-40 41-47 48-55 GE 56 TOTAL MEANIDrGl ES) I t WIN{G
... ..N . .. ... .. . E . .. . Z . ... i .. .. ;;;.. .. :;.. ... ;... .. "i........................................2.......l;......
N I 6 .4 . 1. .7 . .14.2 11.6
NNE I 1 .4 1.5 2.1 12.0
NE . .7 .9 1.9 9.6
(NF .4 1. 1.6 1.6 .7 .4 6.7 I0.8
L .6 1.5 1.3 2.4 1.0 .1 7.(I 10.4
FSE .6 .9 1.0 .7 .1 3.9 7.3
St . .9 1.9 .4 .1 .4 4.2 9.8
SSE I 3 2.2 2.2 .9 .3 6.n 7.7
S .4 3.9 3.7 1.0 .1 9.3 7.5
SSW I. 1. q 3.0 4.2 1.8 .3 .1 11.4 12.2
Sw .7 1 . 5.7 2. 4 .9 .1 13.q 9.8
WSW .4 1.9 2.2 3.1 2.2 .4 .6 .3 11.4 13.4
W .6 . 1.9 5.7 2.8 .5 .6 12.7 13.8
dNA .I .9 .4 3.2 .3 3.1 9._
NW .4 .6 .6 1.2 .1 3.0 9.2
NNW .1 .1 .6 .3 .1 1.3 14.7
VARIABLE I 1.3 1.3 1.8
1OALS 7.3 19.4 28.1 Z9.1 11.2 3.3 3.5 .3 100.0 1O.?
TOTAL NUMBER OF ORSERVATIONS: 6b9
L.mmmmmmmm l-i
40
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FPLOU-NCY OF OCCURRENCE OF SURFACE w'N3 DIRECTION VERSUS WINO SPEEDUSAFETAC FROF HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 0632S0 STATION NAME: ZIERIKZE- 4L PEqIOU OF RECORD: 78-R7MONTH: MAP HOURSILSTI: 1 UO-140J
I WIND SPEED IN KNOTSDOIRECTIUN I 1-3 4-6 7-10 11-16 17-21 22-7? 28-33 34-40 41-47 4e-55 GE 56 TCTAL MEAN(DEGP-ES I % i.INO
....... : . ............ ........ '........3........ ........ P........?................................................:;.....i ;.. ..
N *. . 1.3 1.7 .9 .7 5.5 2.
NNE I . ! 1.3 .9 .3 3.8 8.8
NE .6 .4 1.0 1.0 .3 3.3
ENE .1 1.11 .9 2.4 .9 .1 5.4 1I1.
L .1 1.3 1.8 2.7 .4 .1 6.S 11.0
ISL .1 .3 .1 .4 1.0 1Z.I
SE . .9 2.1 .3 .1 3.7 9.0
SE .7 1 . .4 .3 2 . . 5.9 A. 1
S .6 1 .7 3.6 1.4 .4 .1 7.8 9.2
SSW .5 2 2.8 4.0 1.7 .3 .3 10.1 12.9
SW .3 9 1.8 '.7 1.3 1. 3 8.2 13.1
WSW .4 .7 1.4 4.1, .9 1.3 .6 • 9.8 14.7
W . 2.6 S." S. 5 3.n 1.9 .6 .3 19.5 13.6
WNW . 6 |1 I . 3 .01. 3. 7 ll.1
NW . . 6 . 1.0 .1 .1 2.4 16.5
NNW |.0 .14 .6 o1 2.4 12. 7
VARIARLE I . F . I .4 7.0
TOTALS 4 .8 I,. I ..8A lrt. 17.. 6.3 1.4 I. 100.0 11.9
...°°°°° ...°.oo .....°° ... .......,o°°°°o.. ..o.........°°..°....°.°.°..°.°°. .°°.°°. ..°° .. ....°.°° ..°° .. .... °°
TOTAL NUMPL OF UFT.ERVATIONS: rUb
uj.•i.
GLUBAL CLIMATOLOGY BANCH PERCENTAGE FPEOUrNCY OF OCCURRENCE OF SURFACE WINU UIRECTION VERSUS WIND SPEEDUSAFETlAC FRO4 HOURLY OBSERVATIONAIR WEATHFR SERVICE/KIAC
STATION NUMBER: 063253 ST AT ION NAME: ZA[R1IKZE-- NL PEPIOU Or RECORD: 70-K7MONT14: MAP KIOURSILSTI: ISUO-1700
I WIND SPEED TN KNO7SDIRECTION 1 1-3 4-6 7-10 11 -16 17-21 22-,?7 28-33 34-40l 4N1-47 48-5N GE 56 TOTAL MEANIDEGREES) % WINU
N 1 11 2.2 3. 1 1.4 .6 A.9 2 J7
NNE s .3 . 6 1 .6 9. S
NE .2 .9 1.9 2. 6 .2 5 . IC.2
ENE I 6 .9 1.9 .5 3.9 11.2
L I 3~ 7 1.4 1.9 .6 4.5 Ic.9
rS c 1, 12 .6 .3 2.9; 6.e
SF .3 2.!' 1.1 .9 .2 9.R.
SSE I 9 A6 2.2 .6 .2 .3 A. .
5 1' .4 1. 1 1.1 .3 .2 S9.6 9 .4
SSW I 3 . 2.0 .0 1.6 .3 7.9 12.3
SW I 3 . ~ 1.6 3. 6 1.-2 . .3 .2 8.2 1 3.6
WSW I . 2.6 3.17 .9 1 .6 .3 .3 .s 10.2 17.0
I .2 Z.6 5.4 N. 8 2.5 .9 .8 .3 17. 5 12.9
WNW. .2 1.9 2.3 1.4 .3 .2 6.2 9. 3
NW 1 9 .0 1.9 .8 .3 4~ N. 7 3.5
NN .2 ~ .3 11 8 .5 .2 .0 1 1.6
VARI ABLE I .6 .2 .R 2.0
TOTAL$ 5.0 16. 3 2a.3 31.98 11.0 49.4 1 .4 .9 .5 100.0 1 1. p
TOTAL NUMBER OF OBSERVATIONS: 649
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQU-NCY OF OCCURRENCE OF SURFACE WIND [IRELTION VERSUS WINO SPEEDUSAFETAC FROI HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PE.I00 OF RECORO: 7p-87MONTH: MAP HOURSILS7I: 1RAO-2300
I WIND SPEED IN KNOTS
DIRECTION 1 1-3 4-6 7-10 1l-lb 17-21 22-77 28-33 34-4O l-47 MA-S5 GE 56 TOTAL MEAN
(DEGREES I J bIPID.'....................;........ ........ 2........ 5........;......... ............................................... i........8......
N I .6 2. 0 3.2 2.5 .8 .1 9.13 9.8
NNE .6 .6 2.0 1.3 N.M F.6
NE . 1 7 2.1 .6 4.5 7.7
ENE .1 .6 1.0 1.0 .3 3.0 9.q
E .8 . 2.5 1.4 1.6 .4 6.8 8.1
ESE .6 .7 1.1 .3 2.7 6.6
SE 1.4 .7 .7 1.3 .1 5.2 7.2
SSF 1.0 1. 1 1.6 1.0 8.7 7.2
S .M 1 7 1.7 1.3 5.1 8.1
SSW 1. .1 2.0 2.0 .7 .6 6.6 11,2
SW .6 .7 2.5 2.4 1.0 .6 .3 8.0 Iz.0
WSW •. 1 . 3.7 4. 7 3.4 1.3 .3 .4 15. 1 13.9
W .4 3.7 2.6 2.7 .6 1.1 .3 .1 .1 I1.M 11.5
N NW I 3 1 . .8 .3 .1 .3 3.2 8.6
NW .7 1 1 1.4 1.7 .3 ,1 5.M 9.M
PINW I . 1.t. .3 .7 .1 .3 3.2 9.7
,,,R....,;; .." ....•' ; .. ... ...... .................................................................................. VARIABLE I 1.11 1.0 1.3
TOTALS I 9.6 23.4 27.9 26.8 8.2 3.7 1.1 .7 .1 100.0 10.0
TOTAL NUMBER OF OBSERVATIONS: 709
---- 'L
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREOU-NCY OF OCCURRENCE OF SURFACE WIND UIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PECIOD OF RECORD: 7R,9L1-97
MONTH: MAR HOURSILST|: 2109-2300
I WIND SPEED IN KNOTS
UIRECTION i 1-3 4-6 7-10 11-lb 17-21 22-'7 Z8-33 34-40 41-47 48-55 GE 56 TOTAL MEAN
(OE"GQ-ESI I % WIND
N .9 1.0 .9 1. 3 .3 .2 5.5 9.5
NNE .5 1 4 1.4 1. .2 4. 7 g* 2
NE I 1. 1.1 2.0 1.4 .2 5.8 R,1
ENE s 8 1.1 1.3 .8 .3 5.r jf.4
E .9 1. 6 .9 1.6 .3 . P.?
(SE .9 1.6 1.6 .8 .2 5.0 7.0
SE .6 2.0 1.7 .S 4.9 6.6
SSE .. .9 1.4 1.3 .9 4.6 7.2
S 1.1 2.0 2.4 2.0 ,3 7.8 .2
SSW .8 .9 2.8 1.6 .9 .3 .2 7.5 I0.5
SW .9 2 . 7 4.7 4. 4 .A .5 13.5 10 3
WSW . 1 1 3.0 4.6 1.4 .5 .3 .3 11 . .5
W I . 1. .8 2.4 .6 .6 .3 .3 6.6 1.2
WNW .8 1. 4 .9 .3 .3 3.8 7.n
Nw .9 , .6 .5 .2 .2 S. 3 7.1
NNW 1 . 8 .5 1.1 .2 3.6 7.4
VARIABLE I 1.1 1.1 1.4
TOTALS 14.3 22.3 26.7 25.7 6.3 2.7 .9 .6 1O. 9.1
TOTAL NUMBER OF OBSERVATIONS: 637
do
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FRLOU-NCY OF OCCURRENCE OF SURFACE WINU UIJPECTION VERSUS WIND SPEED
USAFETAC FRO4 HOURLY OBSFRVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 63250 STATION NAME: Z][RIKZE NL PiRIOD ur RECORD: 79-97MONTI: MAP HOURSILSTI: ALL
I WIND SPEED IN KNOTSDIRECTION i 1-3 9-6 1-10 11-16 17-21 22-? 7 28-33 34-O I-N? N0-5S GE 56 TOTAL MEANIOEGREE S I 1 WIND
..................................... ........................................................................................................N .4 1.0 1.5 1.5 .5 .3 .0 5.. 1C.A
NNE .3 .7 1.3 1.1 .2 .3 3.7 9.1
NE . .9 l.8 1.1 .1 .1 N.4 6.7
ENE .6 1 3 1.2 1. 3 .6 .7 5. 1 9.8
L .7 1.A 1.2 1.9 .5 .1 6.1 9.2
E SE .5 I• n 1.0 .5 . s 3.2 7. 3
SE .6 1 . 1.7 .b .2 .1 4.5 A. I
SSE .7 I • .2 . T 1 .2 5.2 7.
S . 2.3 2.4 1.5 .2 .1 7.3 8.2
SSW .5 1.(, 2.9 3.0 1.1 .3 .0 . 9. 10.9
SA .6 1.9 3.7 3.1 2.1 .4 .1 .1i 11.0 10.8
SWSW ., 1.? 2.9 3. 9 1.5 .9 .4 .3 . 1 . 5 13.s
I .6 . 2.9 3.6 1.9 .9 .6 . D .. 1.7 I2.9
WNW .u 1 7 1.1 1. 1 .2 .1 .0 . 9. 1 9.0
NW .5 .7 .6 2.0 .3 .1 .0 .1 3.2 10.5
NNW .4 ., .5 .b .2 .1 .2 .L) 2.6 12.0
.o.o..o~... . . . . . .. . . . ...... ........ oo..o...oo.......... ,. oo o .o ..o.o....o...o..... .. .o..oo .... ..... o.. .....
VARIABLE I 1.1 • 1 1.2 1.6
TOTALS I 9.5 2u.7 28.8 26.5 8.9 3.5 1.4 .7 .1 100.0 2o.3
TOIAL NUMBE" OF OBSERVATIONS: 5296
-4
bLOtAL CLIMAEOLO.y BRANCH4 PERCENTAGE FREQATNCY OF OCCURREJC[ [OF SlQFACE .J3ND DIRECTION VESU WIND SPEEDiJSAFEYIAC FROM HOURLY 11-RVATIONSA12 wAAIER SIRVIEtIMAC
STAhION NUMPER: 083257 SfAT IrN NlAME:- ZI(RIKZEr NL PEPIO10 OF RECORD: an-Fl?MONTH: 4PP HOIJ9SLSEF: 3730-01(1,
I io1ND SPEED IN KNOTSUIRECT2UN I 2- 4 -b 1-10 12-26 17-21 22-1 7 28-33 34-40 4 1 -47 4P-55 GE 56 1VTAL HIAF.IDEGD-01 I WINDj
N i . .) 3.2 3.0 .2 .3 12.7' 8.
N N 1.4 26 2.4 .9 .5 .2 .' .
NE I 1. 9 2.4 1.2 12.7 *3 7 9
NE .9 2.a 1.7 2.0. A *
L 3.3 9. 1.7 . I IV.~ 4
Est I14 .2.2 1 .
SE .2 1.7 1.8 .2 'a b.
5 SE I .2 1.7 .9 .9 3 .0 R9.3
S I .2 1.E 2.8 1.0 4~9 .
SSW 1 122. .9 2.9 .2 .! .7
SW I 1. 2.6 1.4 . .7 .2 .1 1 1.2
WSW I .7 . .3 1.' .9 8.9 1..
I 7 2.2 2 .2 .5 .2 .3 5.' 0.2
WS 2 .7 1.0) .9 .5 . .24.9 .4
Nw 1.6 1. 2 .0 17 3 .2 9.9 7 .8
NNW 1 .4 2.7 1.6 .3 .3 4 . 8.
VARIABL3 I . .5 2 .4
TOTALS I 2.6 28.f! 28.6 29.U 4.2 1.? .3 200.0 7.8
TOTAL NUMBER Of oPSrRWATI3NS : 5
Ad~L rtLI*IOLQ., BRjANCH Piq(.t.I*(i F0Iju:4C7 Of OLCURR!4f OF SURFACE WV~ ..,W~j.TIINhIRu W1450 *2ND E SIL)us FI TAC F RO" HOURL OBSIRVA7ION'AI:1W WA T4fR !lFRW2C2/M4C
5 (A7T0O NUMBER': 0)6 i," 574AI1 AN% An "I44 2I I RigIt: NL Pi r I nil or hi1cJ4L. so7-"?
" ONVU APR) *OUR%4LSII; JV.jf-f57j
I.2240 SPEE[D IN A4015
UI4
tCl1U4 I I- 4-6 1- I L Il- I b 1 7-21 22,-7 1 '41 54-4 4 t-47T 4 11-I6 .1 S6 FOIhL Pqtlot .R:fS $I A .N
N I .7 1.f 1.A 1.- . .4 .2 ?7 Ij.0
I .Y 3.. 2.2 .' .4 R.2 7.1
Nf I s.4 I A 2.2 . .7 7.1 I I
I62 N 2.' 1 . 2.4 1 . 6.6 6.4A
1 . 1' 2. 7 1 .. 5.
rt I .4 1. 1.3 .2 4.6 f,. 0
S I 7 17 2.2 .4 5 .3 7 . 1
SSW I . . 2.4 n1 .6 .2 2. 9. 3
SW cl6 . 2.7 1.1 .2 .4 6. 7 . 7
W. .7W 1 1 .3 .4 .6 . 6 13 .1 1
6Nw I .r 1.3 .1 .2 .' .3 7.7
NNW I 7 i .6 . 6. 6. 4
101416 1 6.6 32 . 27.7' 16 .2 ? .8 2.6 .251 ', 0f.O 7.9
T07AL NUMBERI OF 045722vATIONS: 5649
eA
(U'46t CLIMAIC LOGY B6*4(7 FtiC(NIAGE FRL~uU CY OF occuRRrNrE OF SURFACE wIND LIIPILIION VERSUS WINiD SPEEDuSAFIYAC FROM HOURLY OBSrQVATIIN!AIR SlATHER !SERVICL/MAC
STATION NUMbER: Lu63253 %I AT I O 'AME : ?IrRIl?E:- NL ?EQIfl OF WECOPO: YA-81nfNY.4: App .OURSILSTI: Z6ouP0B03
I WIND SPEED 14 APJOTSDIRECTIONI I I - 1 4-6 7-10 1 Ib 17-21 22-' ,a 23 3 34-40 4 1-4 7 47a-5, Cd -l6 TOTAL ME ANCOFUQE[I I, 1 hIND
NNE I .2 .7 2. 7 .1 .2 6.3 6
NE I .5 19 2. i. .6 7. 9.6
[ NE I .. 11 2.2 2. 1 .5 .3 3. 4 J-
I 27 2.2 1.6 h. 6.b
(SE I .3 7.2 1.4 .5. 6.
SSW I 11 .6 2.2 1 .4 .1 7.1I R.8
s5 .6 1 . 1.4 7 . .2 9. .6
AS W 1. 1.6 1 .41 1.0 .3 .2 6 .4 f I1
S ?4 S.t 1. 1. .6 .2 .243
w4 I A6 .. 1. . .
No I . . . 6 . 4.0 7.7
PNSW ~ . .. . .2 .6 4.5 1 1.6
CAL481 II 1./ 111e 1.3i 1//t ///
TOTALS I 14.7 26.?F 10.0 If. 3 5.5 2.1 .1 100.0 pl.?
TOTAL NUP6AAP OF ORSFPVA71ONS: 61?3
-6w
6103AL CL|8AIOLOS' PANSCH PE4CtNIA{I FO WU-NC1 Of OCUcRRENCE Of SURACE .11-3 Ulrt II0t VERSUS .IND .PEF
uSAFETAC FRO HOUMLT OBERVATION,
AIR .[4ATMEI [RVICL/" cSTATION MU7Bt.P: GC(325' AIO .A-Of : II F 2 13 k IL P''!30 - "(0 F 0: 38-I7
MONT.: APR 'OURSILSI: 39UP-I00
WIN SPEED IN KNOTS3
DIPCIION I 3-3 -b -I3 l-lb 17-123 22-77 28- 3 34-40 93-47 'P-S5 G. GE 30TTL PEAN
I0E [ R7I I NU
9NN 7 1.3 1. " .1 .0
NF.2 I . .6 ? . 6 1.0 .1 9. 1.
[N( . 1 .• 3.0 3 . .3 .. 1
I 3.' 3.8 2.0 .3 1.36 2.8
70 I . . 2.1 17 .2 4* .~
S' g, 2" ..3 96.31 . P
tS7 I .' 7. I 3.0 1. 6.9 7,P
I 1,7 3.3 2.5 1.6 ,8 .9. R 9.-
Sw F 3 . 1.0 13.37 .2 A 73
.F 1.? .8 1.q 1.0 ,? 6.7 1.0
WSW ,' 3, 1.0 .8 .7 .7 .2 5.3 11.9
V., 2.0 6 2.3 . .5 A.' 10.0
' ,. .N I.2 1.5 .2 9.0 .
NW , 1.2 .0 .7. 1 7.3
NNW . 2.0 A8 . 3 1" 3.4
v.l.i.AB.r I 3.0 3.0 1.8
TOTA8 L S.. 2 .r 31.8 27.8 6.8 3.s .2 100.7 8._
3T7A NUMR[R OF O578VT1ON$: 6(35
I.L 1, iLL I M A IOL~, OU 9.AN PE f.I yA GEF rI XU 4[T, Of OCEURA(Ift [ J7 SdRIA. fk .( 6 .'' 1 , ISlf ION4 % ' N , 0
A I I W P 177 51977C7/7AL
S IA r106 IV U7 4 [t7: OFb.'I I7A OP. 61'AF M R7 ljat L 00' 'C7] 'I77 , :A F -OUR%7 I I I ' I
WINOj 5771 1 t Fft%0 T
I. C I. I. 6.N I. .5 q 411 11-Ic IA 11(IL*
I.67, I A I. .7 .
f 4F 1 2.6 2.7 1.7 .
f ~ S. . 1 2.f I ~55*~ I . I . . . . .
st . . 2.1 1 .6 2 . .
0. I . I. 2 1. I .2 2 . 9.61 1
76; m 7 .o 32 2.7 . .2 7.3 1
TOTALS 61 6. 31.7 32.9 10.12 FF. .2 120.0 11.0
TOTAL NUMPLR OF 0175(63A I IDN 659
-6m
.L .&L A LINAInLOY',V RM1{AN( P L INi ar, u rRLjU-%Cv OF OccuR![r Wt Or SURI AC[ I,, IOINF( |19 VIWU .1%0 '.,P[I bp.19199*I( FRO
t HOURLY 04 QV& |0"%
A I F .09H ( RV Act f-£,
A 1 1O% NlU,'t97 : cc> ,; sills 1 0% iq I R' I KIYt- NL rF . 1O0 OF r C3PD: D 19.fld-71
""9
114 : AIP HOUpRSILrII: I," -1 IL I. . .. .. .. .. .. . . .. ... *..* .. .. .......................... .* . ............. . .. .*. ....... .. .** . . .** ,* * .. . . . .. .. .. . . ..,*. .* **.. .. .. . .. .. . .. . . .. •
t1190 SP E[ 1 11KNOTS
LlPLfl11 -I b- -1 1-1I 19-]1. 1 A-29 1s-? 1 $$ 19-19I' -47 r -' z . 6 10 A, M A N9I 0 i b 1 14 F91,
9 .I ,. 19.1 q. i .1 *19 ,'7. I .O
., . . . .. .2 .. . . .. .
9199 • .7 9.5 9* 9,.7 *.* ,Q 97.9)
. . . .. .. . . ..*
9,$f .*, 1. 9 .7 .,s .7 p *S., ., 9.9 ,7 75.1 ll.
% .' 2• 7.7 9." .? .. 0
.9 .s .9 . ., 7. 14 . 3
S .7 *.7 b.l, 7.9 2.n ,t I3. 11.2
*N. . 2. 9.9 7.) .2 .2 6.4 1.8
9* I .? 9.l! 1 1 .7 .2 .3 9*19
Nm1 .' 1 19.0 1.9 .9 .r .1 9.9
.999*1 . . ......... ............ 8 ........... ............ 19 ...........
1191S I ..9 12.1 52.1 12.2 3.1 .5 .7 nO.fl iI.9
TOTAL 1i99l RO O 9RV I 1|ION: bu1
mi e
ULULAL CLIMAIOLO6y RRANCH PERCENTAGE FPLOU-NCY OF OCCURRE-NCE OF SUgFACE WIN) OIRECIICN VERSUS WINO SPEEO
USAF(rAC FRO HOURLY OBSERVATIONSAIR FCATHER SERVICL/MIAC
S1AION NUMPER: 063250 STA19N NAM[: ZIFRIKZE NIL OEQIOU Of RECORD: 78,8z;-alPOSIT: APM HOURSIL5II: 1800-2303
WIND SPEED IN KNOTSUIR[CTION I I-I 9-6 7-10 11-16 17-21 22-27 28-33 34-4O 4I-4I 7 F-55 GE 56 TOTAL HEAN10( G LCS I % WIND
N . 3, 9.6 9.N 1.9 20.6 10.6
NNE I .5 1." 2.9 2.9 .6 .3 8.q 10.4
NE .9 1 . 2 1.5 1. 9 .2 .3 5.9 9.?
E NE .5 1 . ? 1.5 2. 3 .8 6. 3 9.9
1 .8 1. i 2.6 2. 1 7. 1 A. 7
rsr ,3 ,5 .b .6 2.0 7.8
SE ,L 1.1 .8 .8 3.9 6.8
Si 1 .2 1 .7 1.2 .3 3.9 6.9
S ..' .T .8 .9 2.3 9.9
5W 2. .9 .5 .3 1.9 11.3
SW ,. * 3 1.2 ,5 2.2 O*9
uS- .5 1 1 1.5 3.5 .6 .6 .2 6.n 11.7
8 .9 Z. 3 9.8 2. 3 .8 .3 .2 11.6 9.7
WNA I I .4 2.5 .8 9.9 7.8
NW .5 .9 2.2 .6 .2 .2 9.5 e.8
NNW 1 .2 .9 3. 1 . 7 .5 7. 7 R.6
VALE I .9 .9 1.CALM i i /I f /I fl f fl f 'r I J, .5 ///1//
TOTALS I 9.1 19. 4 33.2 20.m 5.7 1.7 .3 100.0 9 .94
. A . NU.. ER.. .. o..... .. o.. .. 6...... . .... ...... .... ... .... o...... o... .. °.... ...... ,.. ... ....... ,.......°
TOTAL NUMBER OF UPS[ERVA T|ONS . 647
I I !
(LOUAL CLIMATOLOGY BRaNCH PERCENTAGE FvLQUzNCY OF OCCURRENCE OF SURFACE 41-43 DIP C(TICN VERSUS 0IND SPE.EDUSAFETAC FROM HOURLY OBSERVATION
,
AIR WEATHER SFRVICE/MAC
STATION NUMBER: U63257 STATION 'VAME: ZIER1KEE NL PKIIOD OF PECORO: 7I.Bu-VT
MONTH: APP HOURSILSTI: 2107-2300
I WIND SPEE IN K401
OIPEC7ION i 1-3 4-6 7-10 11-16 17-21 22-?7 28-33 34-40 41-47 48-S5 bE 56 TOTAL MEANIOEG -[ESI I % 6INO
N 1 .8 4. 3.6 4.5 .5 14.3 8.4
NNE I 2.2 3.A 3.2 2.0 .7 l.9 7.7
NE 2.1U 1.4 1.9 .4 6. ,0
fNE 1.6 2.' 1.3 2.. .4 7.6 7.6
E 1.1 3.4 2.2 1. 3 7.Q 6.8
(SE .2 1.4 .9 .5 3.1 7.2
SE o7 .4 .5 .4 2.n E.3
SSE .5 -7 1.3 .5 3.1 7.4
S .4 ,1 1.3 .2 .4 3.1 4.3
SSd 1.1 .9 .2 .2 .2 .c 9.4
SW .5 1.3 1.8 1.4 .5 .2 5.R 9.8
WSW .7 2.0 2.5 2.5 .9 .2 88 9.7
I 1,1 2. 2.0 1.1 .2 .4 7.2 8.1
WNW I .4 . .7 .4 .2 3.Z 6.2
NW .9 1., .2 .4 3.1 4.9
f.NW I.1 2.? 2.7 ,9 .4 .7 7.4 8.0
VAR;APLE I 1.6 1.6 1.4
CAL" ~ ,/,///'/I/IIII/I/iI/I//I/I/I//////i//////// .2 ////
TOTALS I I .1 30. .3 26.5 20.2 4.7 .9 .2 100.0 7.8
TOTAL NUMBER Of OPSERVAT1ON$: 555
-u c_
4
LO[ AL CLIMATOLOGY B A NH PERCFNTAGL FREQUENCY OF OCCURRENCE OF SURFACE WIND DIREL.TICN VERSUS WIND
SPEED
USAFLTAC FRO4 HOURLY OBSERVATIONSAIR E18ATHER SERVICE/MAC.
STATION hUMSER: 063253 STATION NAME: ZLERIKZE NL PEDIOD OF RECORD: 7R-87
MONTH: APR HOURSTLSTJ: ALL
WIND SPEED IN KNOTSDIRECTION i 1-3 4-6 7-10 11-16 17-21 22-?7 28-33 34-4I 41-47 48-55 GE 56 TOTAL MEANtO S GR I
S t W I N0
N I .9 2.73 3.2 5.1I 1.6 .3 .0 1, l
NNF .7 1.9 2.0 1.1 .4 .1 6.5 8.7
NE .6 1.4 1.6 1.8 .6 .1 6.1 ".9
ENE R . . 3 2.3 2.S . .1 7.3 9.8
1 .1 2. 1 2.4 1.8 .2 .3 7.6 P. 0
ESt ,. I, 1.1 .5 .0 3.2 7,2
SE .6 1 1.5 .5 .0 4. 1 6.7
! SE .4 1 7 1.6 .7 .1 .3 4.5 7.6
S .7 1 6 2.1 1. 1 .4 5.9 9.3
SSW I 1 1. 1.4 .9 .3 .1 .0 4 .G 9.4
SW I .4 1 1.4 1.3 .4 .2 .c 4.A 9.8
WSW .4 1.3 1.6 1.5 .6 .1 .2 .9 6.u 11.3
A .7 l.1 3.1 2.0 .7 .6 .0 8.6 10.5
WNW .7 1 .4 1.4 1. . .2 1 ,0 5. n S. .
Nw .6 1. 1.4 I. .2 .2 .0 4.6 8.6
P.NW 7 1 1 2.6 1 . .3 1T 6. 9.6
.................... ..................................................................................... .......VARIARLE I 1.4 ,7 1.' 1.5
CALM .3 ////1/I////I/iI/i//#/II/I.I/II/I//u I II/IIIII iIII/I,/ .7 IIII
TOTALS I 11.2 Z ."
30.3 24.8 6.7 2.8 .3 .( .00.n 9.2
........- ,,..................................................................o...................................
rOTAL NUMBER OF OBSERVATI3NS: 4A19
J ,-
40
GLOBAL CLIMAIOLO6Y BRANCH PERCENTAGE FREQUCNCY OF OCCURRENCE OF SURFACE WIND DIPECTION VERSUS WIND
SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONS
AIR WEATHER SERVICE/tfAC
STATION NUMBER: U63250 STATI VN NAME: Z'.'FRIKZE- NL PE710D OF SECDR0: 79-8bMONTH: .mAY HOURSILSTI: 0000-0200
I wIND SPEED IN KNOTSDIVECIOON 1 1-3 4-6 7-10 11-16 11-21 22-1T 28-33 34-40 41-47 48-55 G 56 TOTAL MEAN
0EGr ESI I % WIND.... ................................................................................................... .,..... .. ..
N1.1 . 3.3 .8 .P .6 7
NNE .4 2,7 2.7 C.1 8.4 7.7
NE 1.1 1.7 3.1 1.3 7.3 7.4
ENE .8 *R 2.3 1.0 5.0 7.9
L .8 4.6 4.8 2. 7 .2 13.2 7.8
ISE .4 1.7 .6 2.7 5,2
SE .8 1.9 .8 , 3,q 5.3
SSE 1.0 .8 .b .2 2.7 5.0
S .6 z.9 2.1 2.9 .2 8.8 9.5
SSw .6 1•, 2.1 7 6. S .e
SW .2 1 5 2.7 1. 7 1.3 7.3 17.4
WSW . , 1.3 2.5 1.0 .7 6.7 11.2
W 1.3 . 1.9 1.5 .8 6.1 9.3
wNW .4 .6 .2 .6 .2 2.1 9.2
NW .6 1 . 1.5 . 4.0 6.8
I.N, I I.f .4 1.7 .6 .4 4.2 7.9
CAAL 1.5 .
TOTALS I 1',2 27.r 1 .8 20.9 4.6 .2 100.0 7.9
TOTAL NUMBER OF ORSEPvATIONS: 418
Ab.
GLObAL CLIMATOLOGY BRANCH PERCENTAGE FREQU--NCY UF OCCURRENCE OF SURFACE WIND DIRELTION VERSUS WIND SPEED
USAFETAC FRO4 HOURLY OBSERVATION'AIR .FATHER SERVICE/MAC
STATION NUMPER: 063253 STATION NAME: ZIFRIKZE- NL 'ErIOD OF RECORD: so-N ,86MHNTf: PAY HOUqSILSTJ: 030-OSCO
WIND SPEED ITS KNOTSDIRECTION I 1-3 4-6 7-10 Il-lb 17-21 22-27 28-33 34-4O 4l-N? 8-55 GC 56 TOTAL PLAN
(DEGREESI I i .INU......o.. °.. o. . ...... . .. ° °. ° o......... , o....o ....o. .. ° ........°.°° .. °.. . °° ° ..... . .. .. .... ....... .°°. o.. ° .......... o°
N 1.9 2.P 1.9 .7 7.2 5.q
NNE 2.3 I. c 1.2 .7 5.9 5.6
N I , 1 4 1.9 2.3 6.5 8.3
fF 1.6 .7 .5 2.6 .2 5.6 6 . 3
E 2.8 3. n 2.9 2. 1 .5 1 1 .2 7.?
FSE 1 .6 1. .9 .5 4.7 5.
SE 1 .9 1.9 .9 .2 4 .' .
cSC .9 1 • 1.4 V .? 4 . 7
il .7 3 3 .7 2. I 6.6 7.6
OS. .9 1.9 2.8 1. 9 1.2 9.6 9.7
SW f. 2.' 1.9 3.7 .7 9.3 9.S
WS6 .7 .7 1.6 3. 3 1.6 .7 A.? 2 1.9
w .7 .9 1.2 .7 .2 3.7 7.6
6NW .9 1.6 .2 1.4 4.2 7.2
NW .5 r 1.4 ,7 3.3 7.8
NJNW I.4 I.? 1.2 .5 r6 4.7 7.1
• .. ... .. , .. , ,. . .. .. .. ....... , ,. . . . ,. . ...............°... ... .... ... ............ ........... , . . ~ o.. ,.1.,•VARIABLE I 1.4 1.4 I.?
TOTALS 21 .7 27. 22.4 23.3 4.9 .2 100.9 7.6
.°..................o.....o.............................................o.. ................................... °............
TOTAL NUMBER OF OBSERVATIONS: A29
GLOAAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE dIND OIRFCTION VERSUS WIND SPEEDUSAFE TAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 06325 STATION NAME: ZIrRIKZE- NL PERIOD Of PECORo: 7I-86
MqNTH: MAY HOURSILSTI: 0600-O0AC
I WIND SPEED IN KNOTS
DIRECTION 1 1-3 4-6 7-10 11-16 17-21 22-,7 28-33 34-40 41-47 48-55 GE Sb TCTAL MEANIDEGR-E S I % WINU
N .9 •7 2.4 1.9 .4 6.3 4.0
NNE 1.5 2.2 1.3 ,1 .2 6.0 6.7
NE .6 ?, 3.2 2.1 .2 R.9 8.1
ENE .6 1 . 3 3.0 1. 3 .2 6.3 p.5
E 1.7 2.2 3.0 3.0 .2 10.1 B.2
E SE .6 .6 1.9 ,7 3. 3 7 .5
SE 2.? 1.1 3.4 6.1
SSE .9 1 . 5 1.5 .2 4.1 6.4
S 1-3 3.5 2.8 ,4 .7 t.9 7,2
SSW .2.? 1.9 3.0 .6 9.0 8.7
SW 13 e.N 2.B 2.8 .4 9.q 9.0
W1SW .9 . 1.7 1.9 .7 .2 6.q 11-2
W .7 1.9 1.3 .7 .2 4.9 7.5
W NW .6 1 . 11 .4 7 .2 3.4 7. 1
NW .2 .6 .9 1 . 3.0 9.9
NNW .6 .9 1.7 1. 3 .2 4. 7 9.0
.................................... .....................................................................................................VARIABLE I 1.9 1.9 1.4
~CALM l i/ii////// /I// / ///// /// I ///jI/////////// l///II // ///j////// // ///////I//
TOTALS 1 . 27.4 30.8 21.4 4.3 .2 100.0 8.1
........................................................................................... ..................................................
TOTAL NUMBER OF OBSERVATIONS: 536
-mmmumnn
GLObAL CLIMATOLOGY BRANCH PERCENTAGE FRLDUE-NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED
USAFETAC FRO4 HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE: NL PE91O OF RECORD: 8-84,86MONTH: MAY HOURSILSTI: 390-1I1O
.....................................................................................° ; .......................................-. ,-.,
I WINO SPEED IN KNOTS
DIRECTION I 1-3 N-b 7-10 11-16 17-21 22-07 28-33 34-40 NI-47 48-55 GE 56 TOTAL MEAN
IDEGREESI x WIND
...... ................................................................................................................N .4 1N 3.3 l.A .4 7. '; 6
NNE 02 R 1.0 .4 .8 3.3 1C.0
NE 1 .2 2.6 1 .4 .0 .2 6., 10.7
FNE .2 1. 4 2.0 3. 1 1.6 8.4 .S
E .4 2.{ 2.0 2.6 .8 7.9 IC.2
ESE .2 1.11 1.4 1.6 . 4.5 9.2
S" .2 .6 2.0 .8 .4 4.1 9.1
SSE 1.. 2.0 .4 . 4.5 6.4
S 12. 4. 3 3.5 1.0 .6 10.6 7.0
SSW .6 1.2 2.0 2.0 .4 1.1 9.q
SW *2 .4 .8 3.1 1.2 .2 S.9 12,.9
WSW .2 1 .0 2.9 1. 8 .4 .4 .6 7.3 12.2
W .6 3.5 2.2 l.8 .4 .F 4.9 9.5
WNW .4 .B 1.8 .2 3.3 6.8
NW .2 A 1.4 1.0 .4 3.9 9.1
NNW .4 (1 2.6 7 4 .8 6.9 11.l
VARIABLE I .8 .4 1.5
TOTALS I 6.3 22.F 33.F 2.7 9.4 1.4 .6 100.0 9.7
TOTAL NUMRER OF OUSERVATIONS: 491
GLORAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SUqFACE WIND DIRECTION VERSUS WIND SPEED
USAFEIAC FRO l HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 0632S0 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 74-86
MONTH: MAY HOURSILSTI: I2?D-1400
I WIND SPEED IN KNOTS
uIRECTION I 1-3 4-6 7-10 11-16 17-21 22-27 28-33 34-40 41-47 48-55 GE 56 TGTAL MEAN(OE GR- E S I % WIND
N .4 2.4 2.2 S.a 2.4 .2 13.5 11.9
NNE .4 1. .6 .7 .2 3.4 7.9
NE . .7 1.3 .7 3.2 12.6
ENE .4 3.4 1 . 7 1.5 .4 7.' 12.5
E .4 .7 3.2 3.0 1.3 8.6 11 .0
ESE .4 .7 .q .2 1.7 10.3
SE .2 .1 1.9 .6 3.2 4.5
SSE .6 2. 1 2.1 .7 5.4 6.7
S . 2.- 1.9 2. 1 .2 .4 7. 7 9.2
Ssw .9 1.7 2. 1 .7 .2 . 5.A 12.4
SW • .4 .9 1. 7 .4 ? 3.6 12.8
WSW .2 6 2.4 1. 9 .6 .4 .2 .4 6.5 I3.4
. .T,' 4.5 3 .O 1.5 .2 12.3 10.0
WNW .6 2 . 1 2.8 1. 1 .4 7. 1 6.2
NW .4 .6 .9 1. ..6 3. 7 Ia. 3
NNW 1.1 2.1 2.6 .9 .2 6.9 1.4
• .. .. * oo .... ... .. .o ............. •.........°....... ...... •.. .......°•.. ... ................................. z ..... .. o °.VARIABLE I .? .2 1.0
1IALS [ 3.9 19.6 32.0 30.1 11.6 2.1 .2 .6 IO.O 1o.7
TOTA..L . ,, NU E O... . o. ,•,TIRVATIONS: ? 5......... . ............ . ... ..... .. ... . ,
TOTAL NUMBER OF OBSERVATIONS: 535
(,LOCAL CLIMATOLOGY BRANCH PERCENTAGE FPLQU:NCY 03 OCCU.RRENCE OF SURFACE .IINU UIRFC.TIO VERSUS WIND SPEEDLSAFETAC FRO HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
ST3ATION NUMBER: 063253 SIAT ION NAME:' Z1CRIK./E NI. PE710L~ OF PEC3OO 7R-14.,86MONTH: ..AY HOURSfLSTI: I'L7O-1703
I WI1NO SPEED IN .440750IHECTION I 1-3 4-b 7-10 11-lb 17-2 1 2.--?7 28- 33 3N-40 4 1-4 7 48-s GE 5b I L A L MEA%(DEGRrESI AL WIND6
TI I .2 2' 7.0 B. 7 3.4s .11 ;2 1
NNE I .2 .7 1.1 .4 .2 7.1 9.6
NE .4* .6 .6 1. 7 4.
I NC I .7 1.9 2. 5 .6 I.4.
II I.4 21 2.8 2.2 ?.4 1".9
E SE I . .9 .4 .2 .2 2.c,.
SL 4 1.9 .23
SSE I .4 . 1.1 .4 2.4 7. 5
.4 1' 3.0 .s 5. 7 .7
SSW I . ~ . 1. 3 1 .5 .2 3.4 1'.
SN I . ' .6 1 . .4 3.h, 13.0
WSW I.. IA, .A 1.1 1.3 5.' ".
I 6 ,3 3.4 4 .7 2. 3 1 .1 14.4 2.
WNW .4 1 . 3.0 1. .2 7.1 81. 7
NNW I 4 4.!' s. .6 A8.?7 J. I
1OTALS 5 5.5 11. 4 53.8 12.2 12.3 3.6 200O. 0 1.
10OTAL NUMBERQ OF ORSERVATIONS: % I1
GLO'AL CLIMATOLOGY 88RA-
044 PERCENTAGE F61.OU7NCY OF OCCURRENCE OF SURFACE WIND) UII4EClION VERTSUS WINO SPEED
USAFE TAC FROf HOURLY OI4SERVATIONSAlp WEATHER SERV1CC/MAkC
STATION NUMRER: 063253 STATION NAME: ZIRIKZ(E" S4L PERIOD Or RECORD: 78,80-86MnNTH: MAY HOURSILSI I: 1800-2300
I W.IND SPEED IN ANOTSDIRECTION I 1-3 4-6 7-10 lI1-16 17-21 22-? 7 28-33 34-40 4E1-47 48-55 GE 56 TOTAL MEANIDE GR.E S I % WIND
................................................................................................................................................N .8 7 .1 6.6 10.?7 1.9 22. 1 11. 1
NNE ~ . 4.1 2. 1 .2 A .1 9.2
NE .2 1I. .8 1.2 .2 3.5 9. 1
E NE I .2 7 1.0 .6 .2 2.?7 9.4
L.4 1 .6 2.9 2. 1 1.4S.3 1 2
f5 ST 1~z 1.2 .2 .2 2.3 ~ .I
st I . I.E .6 .2 3 .1 5.6
SSE I .4 1I.r .4 .3 2 .5c 7.9
S 13 .2 .8 . 2. 3 6.-3
SSW I .6 1.4 Ft 1.0 .2 3.9 8. 1
S. .4 ~ .4 .6 .8 .2 2.9 1 1.1
WS .11 1, .6 1 .0 1 .6 1. 1 6.0 1 3.5
I .4 ' 4.1 2.71 1 .4 1. 1 3.4 10.9
WN .13 .3 2.5 .4 .2 .2 6.4 7.6
N I .6 .E 1.2 1 .6 3. 9 8. 3
NNW I .4. I. 1.9 1 .9 .6 7.7 9.8
VARIABLE 1 .4 .4 1.0
TOTALS M R. 1 2. 331.6 17.31 8.7 2.7 100.0 9.8
TOTAL 4UMIIIP OF O4E5E8VATIS: 5 16
GLO.JAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND UIECTION VERSUS WIND
SPEEDUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICL/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZE- NL PE:0OCC OF RECORD: 78,80-84,8bMONTH: MAY HOURsILS9I: 210nT-23CO
WIND SPEED IN KNOTSDIRECTION I 1-3 4-6 7-10 11-lb 17-21 22-07 28-33 34-40 41-47 8-5S GE 56 TOTAL MLAN
IDOF(R.ES) % 6 INU)
N t.6 2. 4., 0.2 .2 12.n P.5
NNE .9 4 . 2.5 .9 .5 9. 0 b .9
NE I 2' .? 1. 6.6 V.0
ENF I . .4 2.9 .2 0.4 6.R
I . . 3.4 2. 5 .2 9.4 A 3
FOE .7 1. .7 2.7
SE .7 .7 .c .2 2.0 ct.A
sSF I .0 .o .. .5 1.I 6.9
S |°t. 2. 1.4 1 6.6 6.6
SSW 1,I I.c 2.0 , 01.9 6.p
SW . .3 1.6 1 .6 1.4 7. 7 10.1
WSW .9 1.4 1.4 1.0 1.6 .5 1.0 11.
4 I .7 l.- 2.0 1.4 .2 6.1 4.q
hNW .9 2 .1 . .9 4.1 6.1
NW I.6 . ,9 ,2 1
NNW .7 j.A 2.3 .9 .7 0_9 ?
VAR.IABLE I 2.0 .~ I. .
TOTALS I 16.6 29. . 30.b 17.9 4.S . .2 100.0 7.7
TOTAL NUMBER OF OBSERVATIONS: 411
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQU:NCY OF OCCURR7NCE OF SURFACE WINU OIPFCTION VERSUS WIND SPEED
USAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZE NL PEC'OO OF RECORD: 78-RbMONTH: MAY HOURSILSTI: ALL
......o.... .. .........,... .o.. ..... ,........ ... ........ ; ...... °........ ...................... . ....... ...... . .,.*.. ..... .. ,
I WINO SPEED IN KNOTS
DIRECTION I 1-3 4-6 7-10 11-1b 17-21 22- 7 28-33 3N-NO 41-47 48-S5 GE 56 TOTAL MEAN(DE GREESI I WIND
N .9 2. 1 3.9 4. 3 1 .2 .1 12.5 1,.2
NNE .8 1.9 1.8 1.0 .3 o7 7.7
NE .8 1 3 2.0 1.4 .4 .3 ,., 9.1
I .5 .9 2.2 1.6 .6 .1 S.R 9.9
E .9 4. 1 3.0 2.6 .8 9.5 S.3
ESE .5 1.0 1.3 5 .1 3 3 1 T.I
SE .5 1.2 1.2 .3 .1 3.8 6.7
SSE .6 1. 1.2 .4 .0 . 3 . 6. 7
S .9 2., 2.0 1.3 .2 .1 7.2 71.7
SSW .7 1. 1.8 1.8 . .1 ,p 6.1 9.7
SA .8 1. 1.5 2. 1 .8 .1 6.2 10.6
WSW .1 . 1.8 1.8 1.1 .5 .1 .1 6.6 12.8
W .6 2.3 2.6 2.1 .9 .8 .0 k .9 9.9
WNW .6 1.6 1.5 .9 .2 .3 4.- 7.I
NW .5 .7 1.2 1.0 .2 8.6 @.6
NNW ,7 .9 2.3 1.7 .6 .3 6.2 9. 7
............. ........ ;......................................................................................................VARIALE 1.2 12.2 1 .3
TOTALS I 11.2 23. 31.0 24.9 ?.7 1.8 .2 .1 00.0 9. 1
TOTAL NUMBER OF OPTSERVATIONS: 3997
L,LO.iAL CLIMATOLOGY BRANCH PERCENTAGE. FPLQU:NCY OF OCCURQRNC[ OF SUOFACE WIND DIRE[CIION VERSUS WIND SPEED
USAF. TAC FRO HOURLY ORSf VATION0.ATIR WEATHER SrRVICE/MAC
STATION NUMPBE: 0t,3,51 STAITON NAME ZItRIKl[ 4L PtQ IOL OF RECORD: on-86MnNTm: Ju% HOURSILSTI: Zlor-0Z0f)
I WIND SPEED IN NOTS
TIRLCTION I 1-3 4-o 7-10 11-16 1 7-21 22-?7 28- 33 3-40 41 -4 7 8-55 GO 5b TOTAL M[ANIOFGQ-E S I w AIL
N.2 1.7 2.8 .9 .2 S.3 8.6
Pi NE 2.3 1,7 .5 4.01 3.F
N[ I .9 3 3.0 7.4 5 P
L NF I . ! . 7 12.n b.4
I 1.6 I .E 3.0 I.? 7.0 7.2
F0 .
St" I. , * ,2 .2 . t,
SF.5 .3 .2 .2 1..
S *.' ,5 I. I , 7,S.
5W I ,.S . 1. 1. 1 . 1 .I
k* .? ., 8.9 2. 7 7 .' 7.
I .NI . .9 4 7.7.
N44. 18 .. I ,9 .9 .7 .. ' -
NN* I 1.8t 1 .0 . .7 ', ,' 0." 8. 7
• .. ,.. ,,. . ., °... ... . .. . .. ......... , ,, ,. . , *. ..... ....... . ... ... .. .............. ... .. ............... ............
VAPIR&. ; I; !,fl: . , . 1 1 .6
TOTALS I 21., 29, .9.! ,.' .1.. . .0 1.... 7 . I
10TAt NUMBER OF UORSFTVAIIONS 81790
GLOtAL CLIMATOLOGY HRANrH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WINO DIRECTION VERSUS WINO SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MA(
STATION NUMBER: 0632S3 STATION NAME: Z1FIRKZE- NL PEQIOD OF PECORO: 80-R ,6MONTH: JUN HOURSILSTI: 0,00-0500
.......................................... .......................................................................................................I WINO SPEEn TN ANOTS
OIRLCIIUN I i-3 4-b 7-10 1l-16 17-21 2.-p7 28-33 34-NO 41-47 48-55 GE 56 TOTAL MEAN
IDF" U - [ S I I w IND
N1.i7 I.' I. .? . 7 . 5*9 7.7
NNE 1.2 12 1.0 3.4 4 .9
Nr Ir) 1.1 2.2 4. 1 5 .8
(NfE 2.7 ..2 4.9 1.1 .2 11.1 6.6
1 1.4 r.7 1.2 .5 7.1 4.6
r I .r z.r' .7 2 4.4 8.4
Sr I . * 7 .i .2 1-. 6.7
Sr . .5 a7 7.0
1.2~~ 2. .9
S5W I . .7 3.4 8.. 1~ 7.6
S I 2 . '4.4 I.? .2 10.0 7.9
WSW 3.2 2.2 .2 II.I 7.'
* b ? . 5 2.7 I. .2 V.6 7.
WNW ", .6 1.6 S.1, 6.6
Nw 1 .2 jf' .7 2.0 .S 5.4 9.1
IV.7 N, i .7 S.7 R.9
.,oo.............. •... • ...... ... .. • ...... . .o .... °... ,..... •• .......... .. ,. ....... • .•*. . ,.........•.. . . .. ,o. ...... •.o
V100 AUA L I 1.6 I.0 "
.o
IFIALtS I 2;,.. TI. ID.C ]'.? 2 .2 .7 10.7 6O• .?
IOIAL NU"IPEV OP oH iIPVAIIO4S: 41(1
-4.
GLOAL CLIMATOLOGY BRANCH PERCENTAGE FOLQUENCY OF OCCURRENCE OF SURFACE IN3 UIPECTION VERSUS WINO SPEED
USAFETAC FROq HOURLY OBSERVATIONSAIR wEATHER SERVICE/MAC
STATION NUMBER: 063250 STAT IN NAME: ZIrRIKZE-
NL PERIOD OF RECORD: 77-ab
MONTH: JUN HOURSILSEI: 0600-OCo....o, ........ , . .•.. • ,o ..... .oo ... .. ........o, .......... , o ....o. . .o, ... ° . ............... o.o, o...,,..... ..
I WINO SPEED IN KNOTS
DIRECTION I - 4-6 7-10 11-lb 17-21 22-27 28-33 34-40 N1-47 48-55 GE 56 TOTAL MEANIorTGR E SI I % hIND
N .7 .7 1.9 1.6 .2 -.l 9.
NNE .7 1 1.1 .4 3.2 6.4
ME 1.1 1, 2.8 . 5.9 6.3
ENE 1, -1 7~ . .2 8.9)
7.,1
L 2.1 4.6 lZ 7 .2 9.0 5.6
f1- .5 Z.1 .7 .2 3.5 5.3
SE I .4 .9 .7 .4 2.3 6.7
So .4 .7 .2 1 .4 6.4
I ..4 1. 1.2 .2 3 .r 6.3
SSW S 2.S 1.4 1.4 .2 6.n 7.7
SW q.4 4 ? 5.1 3.2 .2 .Z 13. 3 8.5
I.W I .8 2. 1 .5 R.0 9.0
S.. 2.8 1.4 .4 .4 9.7 9.4
ANW I .7 1 . 2.3 2. 1 .4 7.2 0 .6
%W I, .N 1.4 3.u .2 6.7 9.2
NNW 1.1 .7 2.1 1.6 .2 .4 6.n 9.5
RARIALF I 1.4 ' 1.4 1.0
CA LM f/ / / // / / / / I /// 1// f . I1III
TOTALS 14.1 29.9 37.5 l1.4 2.S . 100.0 7.7
TOTAL NUMBER OF OPSERVATIONS: 566
•-de k
GLOdAL CLIMATOLOGY BRANCH PERCENTAGE FRLOU-NCY OF OCCURRENCE OF SURFACE WIND OIRECTION VERSUS WIND SPEEUUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 77-84 ,bMONTH: JUN HOURS(LSTI: 09U0-1103
WIND SPEED IN KNOTSDIRECTION I 1-3 4-6 7-10 11-16 17-21 22-?7 28-33 34-40 41-47 48-55 GE 56 TOTAL MEAN(DEGREESI I WIND
N o.6 1. 3.7 2.6 8.1 4.9
NNE I 1 1.5 .4 3.0 7.4
NE .2 7 1.7 .3.i 6.4
ENE W . 1.7 .6 .4 4.6 8.4
E .4 2. 3.1 .2 6.5 6.8
(SE .6 ..6 .4 2.0 6.4
SE .7 . .7 1.9 5.?
SSE .7 1 3 .4 *4 2.4 5. 3
S 1.3 Z.0 1.3 1.1 .2 5.9 7.0
SSW .7 1 . 7 .9 1. 1 4 .4 7.5
Sd .6 1 .9 3.5 2.4 .2 4.5 8.8
WSW .4 1 ,9 4. 3 3. 1 .6 .2 10.Q 9.R
W 1.1 3.0 6.5 i.% .7 .4 16.1 Q.s
WNW I .9 1 1.9 . .4 7.0 8.6
NW .2 1 1 1.9 3. 1 1.3 7.6 11.7
NNb .6 1 . 1 1.9 2. C .2 S. 7 9-2
VARTRI ~ I 1.9 1.9 2.C
CAL" l/I/II//
TOTALS I I0., 2., 35.4 zl, 1.7 .s 100.0 8.6
.................................................................................................................................................
TOTAL NUMPER OF OPSERVATIONS: 543
E n / m m••NRNBNNN.Ni•I
40
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIkECTION VERSUS WIND SPEEDUSAFEIAC FROM HOURLY OBSERVATIONSAIR wEATHER SERVICE/MAC
STATION NUMRER: 06325 STATION NAME: ZIERIKZE" NL PERIOD OF RECORD: 77-ABO-86MONTH: JUNj HOURSELSTI: 1200-14CO
I WIND SPEED IN KNOTSDIRECTION I - 4-6 1-10 11-16 17-21 22-'? 28-33 34-40 41-47 48-55 GE 56 TOTAL MEAN
LOEGRES I I WIND...... ............... ;........;........6................3........................................................1........2.....
N I .5 2. 6 3.6 4.0 .3 11 .1 9.2
NNE c. .7 .2 1.4 P.D
NE .7 .3 .9 I.9 9.5
ENT .2 1.6 2.2 1.2 9.2 V.7
L .2 1.2 2.1 1.2 .9 5.9 9.R
FSE 1 .2 1.2 8.6
SE .. 7 .2 2.1 6.3
SSE 5 . 1 4 .5 2.4 ".4
S .9 I 7 .3 .3 .2 3,S 6.1
SSW ,3 . 1.2 1.4 .5 4.0 10.0
SW .2 7 1.7 .9 3.ti P. 3
65W SW.3 1 4 3.1 2.9 .5 .3 V.7 lo.s
W .7 1 .4 12.3 10.4 1.6 ,. ,2 26.1 11-1
WN6 I 4 3.1 3.1 .5 V.9 9.9
NW I 1.9 2.8 2.2 7.4 13.1
NNW , 1 1.2 2.1 2. 1 .3 6.1 10.1
.. . A i [ i.. .. ;..................................................................................... .. ; ...... .. ......RAVIVIEI 41.6 2.1
1OTALS 5.9 17.f, 37.2 31.5 7.1 .5 .2 100.0 9.8
TOTAL lUMPEP OF OPSFRVATIONS: 578
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQU-NCY OF OCCURRENCE OF SURFACE WIND UIRECTIEN AFRSUS WIND SPEED
USAFETAC FROM HOURLY OBSERVATIONS
AIR 6,ATHER SERVICE/MAC
STATION NUMBER: 0632s0 STATION NAME: ZIFRIKZEE NL PERTIOD OF RECORD: 77-94 86
MONTH: JUN HOURSILSTI: ISU-IOD,.. .° .,° ,. .,° .. ° ° , ,. . , .°o ,. ., .,. ,. . .. o .. °.. .. °. . . .. ° ° . , . , °. ° . . ° . = .. . ,. o . o ,
WIND SPEED IN KNOTS
DIRECTION 1 1-3 4-b 7-10 Il-lb 17-21 22- 7 28-33 34-40 41-47 4B-55 GE 56 TOTAL MEAN
DEGR5ES I I WINO
.N .2 .7 .5 . 8 16.2 . o.7
NNE 1 .0 .6 .8 .2 2.5 9.2
NE .2 .2 .8 .6 .2 1.9 9.2
ENE I .4 .4 1.7 1. 3 3.F 4.9
L .6 1.3 1.5 .2 3.7 10.2
ESE I." .2 .4 b.0
SE .4 A 1,.2 .7
SSE .6 .4 .6 1.5 5.4
S .4 1.2 .2 1.7 4.9
SSW .2 1 7 1.3 .6 3.3 7.2
sw .2 .6 1.0 .6 2.3 4.4
WSW .2 1 . ? 2.9 2. 1 .6 .6 7 .1r 11. 3
I .6 2.q 12.7 10.6 .2 1.3 27.9 10.1
WNW 1 4.4 2. 7 .2 A.3 9.7
NW I . 0 2.1 2.9 1 .0 .5 7.5 12.3
PN.4 .6 1 . n 4.2 3. 3 .4 9.4 9.6
CALM I/fl/il/fl /i,// l//li 1/1/ j/////// / fl//I//i I//, I/i Il/i/i/I I/i li/i/I/i I/i/i/i /1/I/i/i l/li/I
TOTALS I 4.6 14.4 40.8 34.4 3.7 2.1 100.0 9.8
OrAL NUMPE (IF OFISERVAtIONS: 9Z0
j.L,
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDp USAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZICRIZE- NL PERIOD OF RECORD: 7-86p MONTH: JUN HOURSILSTI" IOO-2OD
1 WIND SPEED IN KNOTS
UIPECYION I 1-3 4-b 7-10 l1-lb 17-21 22-,7 28-33 34-40 41-47 48-55 GE 56 TOTAL MEANIDEGREES) I % WIND
N .5 5. .5 4.5 .7 20.8 ;:7
NNE .7 1 .0 2.6 1.0 .3 5.7 V.5
NE •3 1 1.0 .9 .3 2.6 7,2
ENE .3 1 1 2 1.4 .5 3.5 7.0
E ,. .7 .7 .9 2.6 7.8
F SF . .5 .9 4.2
SE 3 .2 .5 7.o
SSE •3 . . .2 1 .6 5. 1
5 ,7 .9 .7 .2 2.4 5.6
SSW I 3 ,. .3 .3 1.4 6.9
SW .2 5 .5 .3 1 .6 6.8
WSW .2 . . 2 3.3 4.2 1.9 .5 1 1 . 3 12,0
h .7 4 . 7 9.5 5 . 7 .2 21.0 9.E0
WNW .3 3. I 3.5 .9 .2 8.0 7.7
NW .2 1 . 4 2.6 1 .4 .5 .2 6.2 l0.0
NNW .9 2 . V 4.9 1.4 9.3 7.8
VAIBL . 2 1.0
TOTALS I 6.6 26.3 40.6 21.3 4.2 1.3 100.0 8.6
TOTAL NUMBER OF OBSERVATIONS: 577
* lrl l ll mmm l IImn lmm nI n mn m
GLObAL CLIMATOLOGY BRANCH PERCENTAGE FRLOU-NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEr NL PERIOD OF RECORD: 77-T89T-8NA6
MONTH: JUN HOURSILSTI: 2100-2300
o.o. ...................................................................................................................
I WIND SPEED IN KNOTSDIRECTION I 1-3 4-6 7-10 11-16 17-Z1 22-? 7 28-33 34-40 41-47 48-55 GE 56 TOTAL MEAN
IDEGR-ESI I % WIND
.......................................................................................................................N 3.5 3.(0 4.4 1.2 .5 12.4 6.4
NNE 1.4 3. 0 3.0 .2 7.6 5.,7
NE 1.6 Z.A 2.8 .S .2 7.8 6.4
ENE 1.6 2.' 1.2 5.3 5.0
E 1.2 1.4 1.4 .2 4.1 5.8
ISE .7 .5 .7 7.0
SE .2 5.D
SSE ..2 ,7 5.0
S .5 1 6 .2 .2 2.5 5.4
SSW 1.2 1 . 4 .7 .2 3.5 S 3
SW .5 2. 4.4 .7 .5 8.5 8.5
WSW .5 4 . 4 5.5 3.9 .7 .5 15.4 9 .2
W I 12. 3.f,
4.4 1.2 .2 10.4 7.2
WNW 2.5 l.F 1.8 .5 6.7 5.1
NW .7 1 .9 .7 .7 4.4 8.2
NNW 3.7 2. 1 1.2 .5 .2 .2 7.8 5.5
.............................................................................................................VARIABLE I 1.4 1.6 1.4
TOTALS I 21.4 32.3 32.5 9.9 3.0 .7 100.0 6.7
..................................................................................................................
TOTAL NUMBER OF OBSERVATIONS- 434
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQU'NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WINO SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE NL PERIOD OF RECORD: 77-8b
MONTH: JUN HOURSLSTI: ALL..o..o .o, ..*.o ......oo .., ..o ..oo ...*o ...o.o.o*. .......... ........* .....o .......................................................**
IWIND SPEED IN KNOISDIRECTION I 1-3 4-b i-ID l-l 11-21 22-T7 28-33 34-NO Ni-N7 49-55 GE 56 TOTAL MEANIDEGR:ES I % WIND
.... ......... .... ............................................................... ........................................N .9 2.2 4.M 3.0 .9 10.9 P.R
NNE I . 1.? 1.4 .4 .1 3.7 6.7
NE .7 1.2 1.7 .5 .0 4.2 6.9
ENE .9 1 9 2.6 .8 .1 6.2 i .1
E 1.1 1.5 1.8 .8 .2 5 . 7.0
r-SE . .7 .5 .1 1.P 5.5
SE .1 .6 .9 .1 1.4 5.9
SSE .4 .7 .9 .1 1.6 5.5
s .7 1 3 .7 .3 .0 3.0 6. 1
SSW .5 1 .6 1.3 1.0 .1 9.6 7.7
SW .5 2. 2 3.0 1.5 .2 .2 7.3 8.2
WSW .5 2. 2 3.6 3.0 .7 .3 10. 3 9.8
W 1.0 3.0 7.0 4.8 .5 .3 .0 16.6 9.M
WN6 .9 2 C 2.9 1.9 .2 .3 7.4 5.2
NW .6 1 1 1.6 2.2 .9 ,1 6.S 13.6
fINW 1.1 1.° 2.9 1.6 .2 .2 .0 7.0 8.6
VA.A.L .... ....C 1.S 1.9
CALM Il/I///I//l/ /I// // /II l//I/I///II///ii/I/ // /I/////////// ,/, * 3 /11111
TOTALS I 12.6 25.2 3S.2 22.1 3.7 .9 .0 .0 100.0 8.2
TOTAL NUMBER OF OBSERVATIONS: M055
AE
-4!
6LOBAL CLIMAIOLOY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SUQFACE, WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 SlAIIN NAME: ZIERIKZE NL PEI0D OF RECORD: 80-86MONTH: JUL HOURSILSTI: 3000-020i
WIND SPEEO N KNOTS
DIRECTION I 1-3 4-6 7-10 11-16 17-21 22-?? 28-33 34-40 41-47 48-55 GE 56 TCIAL MEANIDEGR ES) I W hIND
...... .. ........................ . .. 4.4 S.4
NNE .6 2.4 1.8 5.' 5.7
NE .4 3.n 1.4 4. -. 6
ENE 1.4 3.P 4.4 .2 9.C ,..
L 1.4 3*T 2.0 6.4 S.2
ESE I 1 . 1 . .2 2 .q .7
SE .2 .4 .6 1.2 6,
SSE . .6 .8 7.5
S .6 1.2 1.2 .2 3.2 6.1
SSW Z.2 2.4 1.4 .a 6.4 5.4
IS 2.2 4.4 4.D 3.6 1.0 15.6 8.3
WSW j .4 3.2 4.4 2.2 .6 11.8 S.1
W .8 1.4 .4 .4 3.q 7.6
WNW .8 1., 3.2 ,a 6.4 7.2
NW 1 .4 .4 3.4 1.6 6.4 4.0
NNW 1.2 2.f 2.2 1.0 7.3 6.6
VARIABLE 2.2 2.2 1.3
IOIALS 20.4 31.5 33.3 11.2 7.0 100.0 6.5
TOTAL NUMBER OF OPSERVATIONS: 499
6L0AL CLIMATOLOGY RR8 ,.CH PERCENTAGE FREQU NCY OF OCCURR riCE UF SURFACE WI J (DIR '.lON VERSUS hIND SPE..
USAFTIAC fROS HOURLY8 oB5s!9V8116ON
AIR W(THER S[RVIC[/IPAC
STTION NUMPER: 0637 ,5 STAT 1Ch NAME: ZPFRII( 1 [8 NL N11 00 Of RECOR0: 8fl-86M"0hlm: JUl HOURSILSTI: 0oOn-OSDJ
WINO SPEED IN KNOTS
OIPECIOf I 1-3 1-b 7-10 li-lb 17-21 22-27 24-33 3-N0 41-1 4-55 Gf 5b T(8L MLAN
1(fR[[ Si I I wINO
..........................................................................................................N I 2.5 z. I 2.5 ,Z' 7.8 "-.6
,NE. . .2 .4 1.6 6.6
NF 1. 3.S 1.4 .2 6.4 5,.5
F r 1 .4 2.' 1.6 . 5.
f .6 2.9 1.9 .2 6.6 5.5
F 1.2 2. 1 .2 3.5 3.
SE .6 .6 .2 1. 6.
5SF .6 1 2 1.0 2.7 6.2
S 3.2 3. 1.0 3.7 b j
SSW 3.2 1.9 2.7 2.1 .2 R.? 8.0
SW f 1.1 N ? 4.3 3.? .8 14.b 8.6
WSW 3.0 N . 2.9 1.2 9.5 b.b
1 -? 2 .=
2 .5 .6 .2 6 .8 t, .
WNW .2 1. I6 3 .6 1.9 6.2 7.5
N6 1 .6 , 2.1 1. 6 .2 2 b. 8. .
NNW 1.6 2.. 1.9 . 6.6 5.7
VARIABLE 1 1.6 1.6 " .5
CALA 1// // If// /e f 0, 1.4 /Il
T1AL$ 21z2 35- 27.8 12.6 1.6 .2 300.0 6.S
107AL NUMBLR OF 0BSERVA IONS: 686
b--
GLOiAL CLIMATOLOGY BRANCIH P119C(NY AGE FPL 01J:NC or OCCURE NCE U SURF A197CT IN U.91 IRE1.( I10N1V5I351.19WIND5906USAFIIYAC F004 HO0URLY OBSERVATIONISA1R WIAI1IEP SERVICE/PL*3
STATION NUMBER: 063253 SIA I ON N A" E ZIf RIKII NL PIL'OC , I REC0R0: l-993mIN Jul H0UPSI151l: DbUfl,-0fl
WIN0 SPEE') IN ,'.i,1LJIRLCTI.JN I 1 4 -6 7-10 11-lb I 7-21 Z 2-7 7 29- 5 341--0 1 -4 41a -57 5 0 7, 6 10101 "[A%(0FGPE[S1I I W190
N 1 2.1 3.2 1.6 .6 7 .4 4'
90 I .8 1 . I .9 I291 6
(NE I .9 1 .' 2.9 .9 .9
I NE I .9 1. 2 .54 2' ~.0
55.7 36 . . 9 2.
SS I .6
1 .2 .9 *' .8 5. .
5£ I 3 .6 3.9 3 .2 1 .9 1 1. 9. 3
WSW ~ . 3.6 1.9 .. 4 7.6
W g 2. 2. F 3.2 7. 1 .2 1 ' 1.6
WNW I 1. if Z. A 2.2? I. 7 9. 2 1. c
Nw I . . 2.2 .9 5 3,S .
NNW I 1.6 1 .7 ?.7 A0 .2 70 E
TOTALS ?.2 I 3.?1 3 1 .1 12.9 2.! I1.fn 6.9
TOTAL NUMBER OF OPSERVAl1ONS: 633
do~
LOBALLI CM31AT OL6Y 1WA1CH PE QCiNY AG FRt QU: NCY OF OCCURRENCE OF SURFAC( W'%D Ul3"IC7'ON VRt$?U, '.3WIN SP[IUU ,AFLI AC Fo0 R OURLY 0.SRQVAI CN%AI.1 .3ATH9 S(RVICL/MAC
I AT|UN NUP.IR: O A'T,'J OAN|I NAM[7: , R ' k It NL Pf0101' Of RLCJPO.: 77-70B,9 -mb7qrHn TH. : JUj
L MOURI ' L | : L)90lq- [ 1 1.1
I WIND SPEC) To KNOTSI3377FC13I O I 3-7 1 -f, 1- Ir I1-I b 7-23 2A- 1 -S1 3t$-. 4 '.-4i. ' . -7 0r Ssb 3CIAL -E i
I70 ,P I' I I IN.,
.. ... *.... . ........ . ...... . ......... ., , .. ,* .. .* . .... ........ .. ........... ... ...........
h7 .1 3., Ii. 3.7 "I.• 7*."
IN 9 *" ]*r |*, 3. 7 , 7*'.
iF, I . I • ' . .. 3 , 6 .9
"7 . .. 3.2 . " '7.7 1',
5 .1 .• • 3.7 7, .7 .,3 7D.1
3~ .r' 1.2 I.7 .11 '*1 .
69.' I .'. ." 6.7 3 ,.'f . .. 7.7 9.8
............... '...,1.
44
I
II
I
,, ** .* ,. . ,. . .. , * *. . , ,, ,. ., ,. ,., . .,. .. , ., o,, , •., ,, ,, ., . . .. , . .. ,,,, * , ,, **.o , ,,,° °,,
1O/I 0UP[ 9] 4RF V ID S 1 0
WlwI1 . l
l .
LLJA L (1L3IM1110 A 9019 R c1 PLC ~tNI AGE P QU C V Of OCCURRE7NCE Of '5UZiCE WIN" 016- L YILP V1RSUS W I NU SPI( f 1USAF I c FRO" HOURLY ORSt00Al3C'bSA I?0W .A TRP %I 0VIC11"3h(
STIATION MUMOPR: O' .", 1 S 7.A 111 A ME: lit32[ Rik L p I f)[ Of ? bC ORD 17-16,6--b
07763,, jut1 HOUD7JISII:I 11L - -1
I WIND SPIE3 IN AOIS3
tI E 1 ONrS I I - 64- In 1 - 6 12,- ,-3 -,1; ft7 4 S r b f l t " A
1D GI %$ .- 3.%. 6. 1 N
.. .. . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . ..... .. .. . .. .. .
SW I ~ 11 .9 . . .
SW I .~ . 2.2 ?.U . 2..
I .5 3.6 0.9 .5 .0 6' .
WNW I ~ 2' 3.6 3 .7 .6 49~
S0 1 .~33 37 .9 A. 23
NNW I '' 33 2. 3 .2 1* ..
A1A177I . 0 27
CALM flit//I/Ill/I/ilI//IIIIIij//l/i//Ii/i~j/i~~/iiji
TOTALS I .4 19. I 39.1 31.3 4.7 .3 .2 3z~o.r 9.%
TTA NUMMIR OF 0n'776VA310N5: b%1*
* Ih P I I I Nf 4 l/ 66urt S PI
-
p 1I01C t/~q+:OfS.h5 66/o I 111-: .I-IC 1119 17I 2.7 .91 h9-66 LI -41 49(-S.J Ut Sb 77*6 p1
f 90-t 1S I Io 1 0/%! S F I
... Io* . . . o .. i° . . .. ° . . . . . . . . . .•. . . . . . . . . . . . . . . . .o~... .... . ..... ( .. . .. .. .
'96 I .I** IPt? . .2'
p~ ~ ~ ~ ~~~A (1,~ l~ Q If A 1+, .'( Rllt I)-+ , ,1 ."*+ IIO +l4 #+5 LI b III
I ( t A I .7 41 17 9 -.o . . ... t .............
d .. 1 1. 7 . .s
751 .. •7 .2" '+? + *6I c 14- 4 . -t . .A p A%
I .i I.. .. I, ..
.... . . . ... . ..
.. 5m ... .9+ .,, •- . .2'
I .• 2 0 ' ' .l ... .9. .7 I. o .W.V .~ ~n 23 29 .9 .
ft I"* ' I0.! 7.. 1.9 .2 2. 2.?*
*9666 • I * . ..'4 . 9 9 .9 9. 9*
I, l..' I.' 2.9 7. l , .
.9 I .......... .. .... 1 . .1.. . 2..... ...... 76. ...... ....... ...... *.7 ......
v Fs.itnl r I . .,1 . o,
{.m e" I I I/IIIIIII / I I/l//l/ / I/I / / /I / I / / #lIII1// I I/ II/IIII / I // I/I/I/I I/I/I i/ 0 tiIl
I0IIS I A9, . .I- r 39., 91. 5 ' IO09.1, 9.9
• ,. .. o........... ... .O.Oo, .o . .. .. . .. . , .. . . .. .. .. .. .. .. .. .. ...... . , . . .. ., .. .. .. .. . . .. .. .. .. .. . .. . .. .. .. ... . *. . .. ....... .. ..o,.o..
IlAt IEnptR of OS(1l9.u66 910 %S A 9766
* 6..M
CIA
.10,AfI (LJI"I ALObW G AR (A Pt;tIM9*I( GI IJU %L4( Of O((UpBREC t uf Su99*AI I9'1 o IWO( IION VI' .j I9 SPillotsASt F A0C 04OUNL! Sf08V611f *W
*t910 h %Up-"(lq: LINt.. 1 19*ll494 946! 19' Rt961 it L P4'I OU OF Pl(gcJ0: 9916-1
I 1INO SPEE) 194 AhO9
V|V9 ( ION I I -I b l- 1l 1 1 t16 i -1 I '-,? p'R-7Iq 34-%O %I-IF 944-49 GI 'b ' I IA I - *'I of0 a , ! 9 I 1 1l6 L,
.......... . ... . . ........ .......... . . . ... . . .. . ... ..... . . . ................... .. . ......... . . ......... . ...... *
, I . ' . ,.7 9. 94." S."
'9 I . S I . .' .9
I .b. 9.
WART Ap f I
tnlli. I 1 19.2? . h .7 . .l* 2 1 n.
. .. .9' I' . .. ... . . . . . .* .
I n I ." .7 A. 01, .1 6A 7 O 0 SF V ,I1
9096.... , 9. .. ° 9.".. o., . 96.. 2 .. .. . . . . 94. .. . ,, ..94 ...2 , .... . .9J... .fl.. , .. . * .... .7. . .
909*1 94U9~!9IO (9F ORSFSW*91094%: 9,69
--- am .4mmmi matm m
6L,ifLM CLIMATOLOG.Y PRAmw Cm PLR(.LtNAIGt fPf'AJUliCV Of OC[URRENlCE Of SURFA4t .1INL UllfTSIO VIRSUS .11.0 Sf[tu
AIR RI AIIW6 $(RRI(I/M11*
I111 1UPIPLl: L&ll".) SIAlIn -s&.it: 1176511lt2 41. 1~ IL Of 4 c ORO: ?-6B-em(% TH Jut 40URS~ILSI: ?IdLM-73i)
1 01,00 SPEU) Iii KNOTSUI14tcII1 IU I - I %-b Il~ I I I 17-2 1 27-? 1 28-33 301w1 1 -4 1 1.1SS (.5 I ITA L -I ANI OF up~ I SIt W O
fi4 4 2. . .16l
I .%I7 *f .
I .. 1.7 .9w IA .6
b.
. . .1 . . 1 . . ...... . .............................................. . . .. .....
TCTL7 I a1. II. S?. 111 4.6 .' I0.1 t. S
TO f1. 1UMPL R Of OPSI 6VA IIONS: 1 3
40
A4a.0 CLIMATL0OGY PR*4Cm P~qC[N.7*bf FPLQIJ:9t3 OF OC(UPRENQt OF SU9FAC( .LIPdD 1J1911IIO V(RSUS WINDl SPE(Z
AIR wfATHER SE991CE/MAC
STATION NUMRER: Ob5?5l S I AINATI~ AM4(; Z1196?t- 14L. P1~ I 9 911.of 0930: 17-e6MONTH: JUL. LOUP6ILSTI: ALL
DIRECTION 1 1-3 4-6 1-10 11-16 11-Z1 22 ZA2-33 34-43 41-4? A.R-S6 bE lb TOTAL. P3*
NINE I 6 ~1.6 .6 .0 . ?
Tor S . 1 .7 1. *2 .* 6. 3
t4 ME .6 I1 2.S . b~ 6P
t .9 2.(' Z.2 .S .0 b.9
ISE .6 1 . . .
S I 9 14 6 . 0 .f
56 I4 24 n.' I. .X .143
SW 2. .9 1.9 .U .3 1. 9.0
4 Sw r 1.3 7. 1.2 I. 1 r. .
5 ~ I .9 1.9 .S .11. 7 9.3)
99*n1 9. 1. . .
3096 3 3~6 7. 4.6 11.0 2. .4) n1 . Jl' 7.K
IDIOT. 4139393 OF 096198* 7146NS 4629
61014* B CLIMATOLOGY BRANCH PERCENTAGE FRELE.NCY or OCCUR4RE NCE OF VSURF AC E W1449DIRECTION VERSUS WIND SPEED
UAFEIT C FROM HOURLY OSVRTVATIONSAliR WATHER SERVICE/MAC
STATION NEIMPER: 063TZJ STAT ION NAME : ZIERIK ZEE NI rcIioo Or RECORD: 7A.80-86MONTH: AUG HOURS(LSTI: 0DD0-02OC
AIND SPEE) TN KNOTSOIITLCTICN I I- 4-6 7-10 1Il-1b 17?-21 22-?? Z 43 3 IN-NO 4 1-NT7 48-55 GE 56 TOTAL MEANIDEGR-rESI I IT WIND1
N I . 7* 35 . 5.4 '4.6
NNE 7 2. Z.6 .2 S.9 6.?7
%F I . 4. 2.4 .2 6.0 5.6
E HE I 1. .. A I. 1 .2 S.4 4 .9
E 7.8 1. .7 6 .0t 3.9
rS s[ A .1 .6 .2 5. 4.9
SE I .7 .7 .6 .6 .2 .2 T. 9 6.9
5.SE I .9 .i. 2.1 .2
s .9 2. .5 N.Y 3.
SSW I 173. 2.2 .7 .4 .2 6.2 8.2
SW 3 .9 .4 4.5 7.S .2 16.S 9. 7
WSW I .7 2. 2.s 3.0 .7 .4 .2 9.6 9.4
1 9 . .3 3.5 .6 5.2 9.5
WNW* .6 1 . . .6 .23. 7 8.9
NW I .7 .4 .9 .4 1.4 5.1
H4 NW 2.4 . 7 1.5 .2 5 .PF 4.7
VARIARLF I 2.4 2.4 1.0
TOTALS e i4.5S 28. 1 25.5 15. 5 7.1 .9 .2 100.0 6.7
TOTAL 404419 Of OBSERVATIONS: 534
bLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQU:NCY OF OCCURRENCE OF SURFACE WINDt UIRCT.TION VERSUS WIND SPEED
USAFETAC FROM HOURLY OBSERVATION'
AIR WEATHER SERVICE/MAC
STATION NUMBER: C63250 STATION NAME: IFRIKZE:_ NL PE'IOD OF PECORD: 78,80-86MnNTH: AUG HOURSILSTI; 33n-050G
.........................................................................................................................WIND SPEED IN KNOTS
DIPECTION I 1- 4 N-6 7-10 11-16 17-71 27-27 28-33 54-40 41-41 48-S5 GE 5b ITAL MEAN
(IEGR.ES I I WIND
... ,.==, ........-.....................................................................................................
N 2.S. 22 1.6 7 4.9
NNE .8 2.0 2.0 .8 S.s 6 6.3
NE 1.2 3.1 2.2 .8 7.3 6.4
ENE 2.4 . 1.6 5.5 4 .9
L 3.0 3.C .6 6.5 3.8
ESE .6 2.fn 2.6 8.3
SE 1.2 .8, .6 2.4 4.8
SSE I . 2 .6 * , 2.9 3.3
S 1.6
1. 4 1.6 .A S.3 6.3
SSW I. l . A 2.6 ?.0 .6 .2 8.9 P .6
SW 1 .0 3 . 0 4.1 6.9 Ic.. 9. 3
WSW .4 . . p 3.3 1.1 .9. 1 9.4
6 .8 2 1.0 2.1. . . 6. 7 9.9
WNW 1.6 1.7 1.0 .8 .8 4.5 6.2
NW I.I
.4 .8 .2 .2 3.3 6.0
NNW 1.? 1.8 1.0 ,6 8.1 6.3
888A1L1 7.6 2.6 1.1l
CALM I //II/////IIIII ///////U///I//// /////I//iiI//II/I/I//////Uh///II/I/I//I/II/I////I/// 2.2 l/llll
TOTALS 23.6 29. 28.8 17. 3 2.0 .6 .4 100.0 6.8
• . . . .. . . . .. . ...........,, ,........,, ,.•o , . , , ,° . .,,. , .. ,,.,,*.., .... .. ...., , .., . .. .. ,. ..... ,, ........o,, ,,o, ... .. ....
107AL NUMBER OF OBSERVATIONS: SU1
No mm
GLOBAL CLIMATOLOGY BRA1NCH PEqCENTAGE FRLOU-NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBLR: 063250 STATION NAME: ZIERIKZE- NL PEIO OF RECORD: 77-86MONTH: AUG HOURS(LSTI: 0600-0800
WIND SPEED IN KNOTSDIRECTION I 1-3 4-b 7-10 Il-lb 17-21 22-?7 28-33 34-4Q 41-47 48-55 GE 56 TOTAL MEANDEGR:ES3 I I WIND
N 7.2 2.? 1.7 .6 6.6 S.9
NNE 1 .1 1 7 1.5 .8 S.1 6.7
NE 1 .7 1.4 1.7 .9 5.7 6.3
F 1E I I .S 1.1 4.2 4.8
L 2.9 2.9 1.4 .2 7.4 4.7
FSF .9 .9 l.A 3.4
SE .3 .1 .9 3.2 3.T
9SF .9 1 . 1 1.8 .2 6.0 6.
S 1.5 2.4 2.6 .9 .3 4 .2 6,9
SSv 1.4 1. 3.7 1.5 .3 9.2 7.S
SW l.4 2. 3 4.9 S.2 .2 14 .2 9.C
WSW .6 1 . 7 2.2 2. 0 .3 8.
w ,3 1.q 1.5 2.6 .5 6.5 11.1
WNW 1 . ] 1 7 Z.B .9 6.2 7.6
N I 3.4 .9 .2 i.9 4.8
14NW ].7 I 1 l.4 .9 S.I b.5
VRTIABLE I 1.9 1.9 1,?
CALM f/ / f/ l/i I 1 // // 2.0 /I/
TOTALS I 2,.7 27.4 29.7 16.8 .9 .5 100.0 6.8
'a NI411IP OF ORSFRVATIONS: 649
-. , •AD-
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREOU- NEY OF OCCURRENCE OF SURFACE WIND DIREC7ION VERSUS WIND SPEED
USAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 0E3253 STATION NAME: Z1!RIKZE" NL PERIOD OF RECORD: 77-78,8O-RbMONTH: AUG HOURS(LSTI: 0900-1100
.................... ................... ................... .................... ................... ...................
I WIND SPEED IN KNOTS
DIRECTION I I-3 N-b 7-10 11-16 17-21 22-27 28-33 34-40 41-41 48-55 GE Sb TOTAL MEAN
IDEGR FSI I 2 WIND
..... .................................................................................................................N .6 .4 3.6 1.6 6.8 8 5
NNE .6 1.4 1.6 1.6 5.2 8.1
NE .5 .9 2.0 .8 4.2 7.6
FNE .6 1 . 6 3.8 .3 6. 3 7. 1
E l.1 .6 2.7 .2 8.6 6.7
ESE .9 A .2 1.9 3.8
SE .3 1.4 .6 2.4 SI
SSE .t 1.6 1.9 .2 3.9 6.6
S 1.6 3.6 3.6 1.6 10.4 6.7
SSW .6 1 . 3 1.1 1.6 .3 4.9 8.6
SW 1.4 3.0 3.0 1.1 .2 .2 8.8 11.4
WSW .6 2 . 0 2.7 2. 7 .3 8. 3 9. I
w .5 3 .7 4.1 3.8 .8 .5 12.6 10.3
WBW . 1.b 1.3 2.7 5.8 9.3
NW .5 .9 2.4 1.7 5.5 8.8
NNW , q 14 3.6 1.4 6.83 8.3
VAVIABLE I 1.4 2.4 2.8
TOTALS 1 O.9 2 . 5 38.1 23.r 2.S .2 .6 100.0 8.3
TOTAL NUMBER OF OBSERVATIONS: 63b
k..
ULOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZEE NL PERIOD OF RECORD: 77-78,80-86MONTH: AUG HOURS(LSTI: 1200-i4O
o.. ,, ,,,, , ,. .o. ,.. , . • .. ,. ,, °.° °° H .° ... ..... .., .o. , ... o . , ,, , , . , , ., , , , , ° . ,° . , . ,
W WIND SPEED IN KNOTSGITECTION I 1-3 1'-6 7-1D 11-16 17-21 22-?7 28-33 314-4O 41-47 48-55 GE 56 TITAL MEANIDEGREES1 I WIND
N .2 *O 4.6 4.8 3 10.8 1{*,
NNE .3 .3 .9 .6 2.2 8.3
NE .6 3.7 .3 2.6 8.1
E NE . .9 1.5 1.2 3.8 8.7
E .8 1.1 2.0 .9 4.8 7.7
LSE .2 .2 .5 .8 5.8
SF .3 .8 .3 1.4 S.4
SSE .8 3 ,? 1.2 .6 5.P 6.1
S .8 3,- 2.0 1.5 7.8 5.8
SSW °5 . 9 .9 1. 4 .3 .5 14.5 Ia.7
SW .8 1 2.3 2. 3 .5 .3 6.0 14.6
WSW .6 .9 2.2 2.2 1.1' .5 .5 8.5 13.0
W .6 3.S 7.5 7. I 1.1 19.8 8.8
WNW .2 .9 3.2 2.5 .3 6.9 10.2
NW ,S 1.1 1.5 1 .1 .3 4.5 8.1
NNW .2 1•? 3.7 2. 3 .2 7.5 9.s
VARIBLE 2.32.3 2. 1
TOTALS I 8.9 21.1 36.2 27.5 4.6 1.2 .5 100.0 9.2
TOTAL NUMBER OF OBSERVATIONS: 650
- ulmm l mlun lnl~l. ull
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQU-NCY OF OCCURRENCE OF SURFACE WINO DIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONS
AIR WEATHER SCRVICEIMAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEE NL PEPIOD OF RECORD: 77-78,80-RbMONTH: AUG HOURSILSTI: ISU-1700
WIND SPEED IN KNOTSOIRECTION I 1-3 4-6 7-10 11-16 17-22 22-p 28-33 34-40 '1-A7 48-55 GE 56 TGTAL MEANIDFGREESI I % WIND
... .. . .. ... .. . , .. . .. .. 20.. .. 15... .. :8.......................................................:7.............
N I *2 .! 6.0 7.5 .815.7 10.A
NNE .2 .3 .5 .5 .2 1.6 ?.2
NE .2 .2 .2 1.7 6.0
ENE .I 3 .1 .5 1.. 8.
E .7 1.3 2.14 1.3 5.7 7.7
ESC ,5 .3 .3 1.1 4.3
SE .2 1.E .8 2.4 S.3
SSE .3 1.1 .S 2.0 5.3
S 1.3 1. 3 2.3 1. 2 6.0 7.3
SSW I 3 .0 .5 .8 .5 .2 .2 3.4 11.2
SW I .7 .8 .5 2.4 12.0
WSW ,1 .5 1.0 2.4 .8 .5 5.5 13.1
W 2.6 9.1 8.2 1.3 .5 .5 22.2 11-2
WNW 9 2. 5.7 2.6 .2 1 1.7 8.5
NW .8 2.0 2.2 2.0 .2 6.0 8. 7
NNW .' I 6 3.8 3. 8 .2 4.5 9.S
VARIABLE I 2.5 1.5 2.0
IOTALS I 7.0 27.4 37.0 31.6 4.6 2.2 .7 200.0 9.6
..............................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 613
--.
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQU--NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMMER: 063253 STATION NAME: ZIFRIKZE- NL PERIOD OF RECORD: 77-86MONTH: AUG HOURSILSTI: IRUO-2300
WIND SPEED IN KNOTSDIRECTION 1-3 4-b 7-10 11-16 17-21 22-?7 28-33 34-40 41-47 48-55 GE 56 TOTAL MEAN
(EGRrES1 I 2 WIND
.............................................................................................................................................N 1.7 2. 8 7.1 4.1 15.7 8.3
NNE 1.3 2.8 2.8 1.3 B.1 6.9
NE 1.0 .9 .7 .6 3.2 6.4
fNE .9 1.2 .4 25 4 .9
E 1.0 1.5 1.9 4.4 5.6
ESE .3 .1 .1 .6 3.S
SE .3 .4 .6 1.3 S.7
SSE .4 .6 1.0 2.0 6.0
S .6 .7 1.7 .3 .1 .1 3.6 9.0
SSW .3 .7 .6 .3 .4 2.3 13.3
SW .3 1.0 .7 .9 .4 3.3 9.A
WSW .4 1 6 2.8 4. 1 1.6 .7 1 1.2 II •8
H 1.5 4. 9 7.3 3.3 .4 17.4 4 .0
WNW .9 2.S 2.3 1.0 6.7 6.8
NW 1.0 3.? 2.3 .9 .1 7.3 6.7
NNW 1.3 3. 1 2.5 1.9 8.7 7.1
TOTALS I 14.4 27.9 34.0 14.9 3.1 .9 .4 100.0 7.9
o.. o. .o. ... , .. ,,..............o....oo ..... ,.. +........, ... , .... .. o ..... o . . .. .. ,. ...... , .... .. ..o..o.. . oo.. +°oo
TOTAL NUMBER OF OBSERVATIONS: bA8
-J
GLObAL CLIMATOLOGY BRANCH PERCENTAGE FREQU-NCY OF OCCURRENCE OF SURFACE WtND .IRECTION VERSUS WIND SPEEDUSAFETAC FROI HOURLY OBSERVATIONS
AtR WEATHER SERVICE/MAC
STATION NUMBER: 0632SJ STATION NAME: ZIERIKZE_ NL PERIOD OF RECORD: 77-78,80-86M ONTH: AUG MOURSILST): 2100-2300
~~~.... ........... o.o.........,...............o.............o.... ......... ,...., ........ , ................. ............ ,...
WINO SPEED IN KNOTSDIRECTION I - 8-6 7-10 11-16 17-21 22-?1 28-33 34-40 41 -Ni 8-S GE S6 TOTAL MEAN
IDEGRIESI I WIND
N 3.3 2.0 2.6 .5 8.4 55
NNE 1.3 4.4 3.5 .4 9.5 6.3
NE 2.6 2.? 1.6 .4 6.8 5.1
ENE 1.8 2.4 .9 .5 5.7 S.0
E 2.6 2.2 .9 5.7 3.8
ESE 1.3 7 7 .9 .4 3.3 5.7
SE .S .4 .2 .2 1.9 5.9
SSE" .2 .4 .5 1.1 6.2
S .5 1.1 .4 .4 2.4 11.0
SSW .7 1 . 5 .7 .7 .4 .2 .4 4.6 10.4
SW 1 2.0 2.6 3.7 .4 9.7 9.3
WSW ." 3.p 4.0 2.2 1.5 11.7 9.3
I i, 3. 3 1.8 .9 .4 7.9 6.7
WNW I .6 1 . B 1.3 .2 .5 .2 6.6 6.3
NW 2.11 1 1 1.6 .2 .9 S.4
NNW Z? 1.1 1.3 8.6 4.6
.... VAI BL I ..... 1.. .................................................................................... A 1..... 0.. .....
TOTALS I 26.? 30. 2.5 10.6 3.1 .O SE 100.0 6.3
II
bLO!3AL CLIMATOLOGY BRANCH PERCENTAGE FKEOUNCY OF OCCURRENCE OF SURFACE WINO DIRECTION VERSUS WIN[ SPEEDUSAFETAC FROM HOURLY OBSFRVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATIO. NAME: ZIERIKZE- NL PERIOD OF TECORO: 77-RMONTH: AUG HOURSILSTI: ALL
WIND SPEE) IN KNOTSDIRECTION I - N-6 7-10 11-1b 17-21 22-. 7 28-33 3N-No 4I-4? 48-S5 GE 56 TOAL MEANIDGR ESI1 I WIND
N . . . 3.7 . .6 .1 9.6 .2
NNE .8 1.9 1.9 .8 .0 S.3 7.0
NE 1 .1 1.8 1.5 .5 N.6 6. 3
ENE 1.1 1. 1 1.5 .4 N.N N.?
E . 1.8 1 8 1.6 .3 5. 5.4
ESE .7 . .3 .1 1.9 N .6
SE . . .6 .1 .0 .3 1 5 . 7
SSE .6 1. 1 1.0 .2 .0 .3 2.9 6.2
S I 1 . 1 2.0 .q .1 .0 6.2 6.7
5SW ,3 1 1.3 l.4 1.2 .4 .1 .1 5.4 9.2
SW .7 19 2.0 3.4 .5 .1 0 9.2 9.1
WSW .5 1 R 2.6 2. 7 .8 .3 . F. 7 10.5
W .7 2.9 4.4 3.8 .6 .1 .2 12.7 9.7
WNW .;1 I.7 2.4 1.3 .2 .r 6.6 8.1
NW 1.1 1.8 1.6 .8 .1 5.1 7.0
NNW 1.1 1.6 2.4 1. .0 6.6 7.5
CALM 1.3 /1/////II//III//I//I/#'///II/I//IiI///// //////I/I/I// 1,3 /.//I
TOTALS I 16.8 25.7 31.7 20.5 2.9 . .5 100.0 7.8
TOTAL NUMPER OF OBSERVATIONS: qzq
GLOLAL CLIMATOL06Y BRANCH PERCENTAGE FREOUENCY OF OCCURRENCE OF SURFACE WIND OIPE(IKON VERSUS i.IND SPEEDUSAFETAC FROM HOURLY OBSFRVAIIONSAIR WEAIHER StRVICE/MAC
STAIION NUMBER: 063253 STATION NAME: ZIERIK E_ NL PL0oiOD UF RECORD: RD-86MONTH: SEP HOURSILSTI: 003-0200
........... ,..............................................................................................................
I WIND SPEED IN KNOTSOIPECTI'N 1-3 R-6 7-1D 11-16 17-21 22-?1 ZR-3 3-N0 41-4 48-55 GE S6 TETAL MEANIDEGR.ESI I I WIND
.. .. ........... ...... : ......+ ,,, , .. .... ..o........ .... ... ., . ,......... +....,,........... •,., .. ,, ..... . . . . . . . . . . . . . . .
N I .6 .7 . 1.7 4.7
NNE I .1 1. 3 .2 2.6 4.4
N-
1.5 2.2 .9 4.6 4.9
HNE 2.4 .q 1.7 5.9 4.7
E 4.0 2.9 .4 7.4 3.3
r SE 2.6 1 1 .4 4.0l 3.6
SE 1.5 2.2 z. 4.6 4.4
SSE .6 2.2 1.1 6 4.4 6.3
S 1.1 3* 1 1.5 1. 3 .2 7.2 7.0
SSW I 1.5 2.2 2.4 1.5 .3 .6 .2 9.0 9.4
SW 2.2 3.4 6.1 5.9 1.5 .2 19.7 9.5
WSW .6 3. T 1.7 2. .2 .7 8.8 9.0
W .7 . .7 l.A 1. .4 .2 5.7 l4.7
WNW .4 1 . 1.3 1.6 .7 . .6 6.1 12.7
NW .6 .9 .4 . . 3. 1 9.4
NNW .9 .2 1. 1 14.3
VAI!ABLE I 2.6 2.6 1.1
CALM /// /// // / / // // //// / //// 2.6 /1////
TOTALS 23.2 29.7 19.5 16.9 S.D 2.4 .9 100.0 7.6
TOTAL NUMBER Of OPSERVATIONS: S44J" L.
LOHAL CLIMAIOLOGY BRA14CH PERCENTAGE FREOU-NCY Or OCCURRENCE Or SURFACE -I'JU UlIRCI ION VERSUS WIND SPEEDUSAFETAC FROI HOURLY OBSERVATIONSAIR WEATHER SERRIC,/MaI
STATION NUMBER: 063253 STAT I ON NAME : ZIERIKE- NL PFRIO0 OF RECORD: 6C-RbMnNTH: SEF, HOURSILSTI: 03OV-05[O
| 411D SPEED IN KNOTSOIPECTION 3 1- 4 9-6 7-10 11-16 17-21 22-7 28-33 34-9 41-47 40-55 GE 5b TOTAL MEANIDEOGRLESI I S bIND
N I .6 .6 2.1 3.2
NNE .9 1. 2 1 .9 3.9
NE .7 2.1 .2 5.1 4.6
•TNE I .7 1.9 .A 4.7 4.2
. .S 1,.N 9.7 2.9
EST I.9 ..! .2 9.3 3.8
SE 1 .1. 1 . 1.0 2.9 4.9
SSE I .6 ,. 3 1.9 5.A 5.2
S .4 2. 1 2.9 1.9 6.7 7.7
SSW I , . 3 3.7 2. 7 1.9 .2 .2 1 .1 9.5
SW 1 . -. .5 3. 9 .8 .4 .4 15.3 9.7
WSW 12 I 7 1.9 2. 3 b b .2 8.s 1O.
I 1.6 e7 1.0 -. 1 1.7 .q 7.9 12.5
WN W .5 lI.? 1.2 2.5 .4 1.3 7.9 11.8
NW 1 .2 ." .41 1. 2 .2 3.1 7.3
NN9W I .1 •.6 .9 .9 2. 3 5.9
RARIARE I ,2.7 2.7 1.1
TOTALS I Z9.6 21 . 7 19.8 16. 7 5.6 29 .9 100.0 7.7
TOTAL NUMBER OF OPSrRVAtIONS: 516
-4m mm= mnaa iiIII I iti
i
GLOdAL CLIMATOLOGY BRYINCH PERLENTAGE FRLIUNCY OF OCCURRENCE OF SURFACT ,IJ3 U16F TION VERSUS WINO SPEFdUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 SIATION NAME: ZICRIKZE- NL PERIOD OF RECORD: 77-RfMONTH: Stp HOURSILSTI: 0600-0900
............. ;...........................................".P........"INO ......................................................
DIRECTION i 1-3 t-i 1-10 Il-lb II- A 22-7 28-33 I- 1-Ri 68-55 GE 56 TOTAL ME AN
IDEGR.ESI I W IN6D.... . ; ... ... .... ;:, " " ., .2 ... ; . . .. ...................................................................3.64 3.6
NNE I 1.9 1 . .5 2.5 3.9
NE I.3 .3 .I .I I.2
I NE 1. 1 .B .8 6.4 4.3
C 3.7 .1 .3 13 . c 3.6
ESE 1.6 .0 2.1 P6
SE .6 1. ,3 ,3 2.4 l.s
SSE 1.5 1.9 1.5 .5 S;.3 5.5
S 1- 3 .5 3.1 .8 .3 10.0 6.6
SShW 1,8 3.6 3. 3.9 1.0 5 14.1 9."
SW 1.9 3.64 3.6 R.T .7 . .3 1R.b 0. 3
WSW .5 1 . (] I.B 2. 1 1.0 .5 6.9 12.0
w I.3 1.1 2.1 2.8 1.0 1.S 9.7 12.5
WNWl 1.6 1.9 2.3 1.9 .6 .3 6.9 8.8
NW .5 .' .6 .3 .2 1. 7-3
NNW .2 .6 .8 2.1 .8
VRiiABIC 1.1 1,1 1.0
CALM / t .'///I/I/I/ //I /,f I I /,p I I I ////I/jI///I/I/////j/I/I///////////II//j I.1 IIIIII
TO IALS 23.7 27. 1 21.6 18.5 4.9 2.9 .3 1DO.0 7.7
TOTAL NUMUi'R Of OPSERVA TIONS: 617
• m uum-m m N.4. J'l" il f•I
(LOtAL CLIMATOLOUY BRANCH PERLENTAGE FrLOU'NCY Of OCCURRENCE OF SURFACE WIND UIPELTION VERSUS MIND
SFEEDUSAFETAC FRO4 HOURLY OBSERVATIONS
AIR WEATHER SRVICE/MAC
STATION NUMBER: U63250 STATION NAME: ZPTRIKZEM NL PEQIO0 OF RECORD: 77-?,O-R6MONTH: SEP HOURS(LSII: 0900-I10U
WINO SPEED IN KNOTS
uIQECIION I -3 4-b 7-10 11-16 I17-21 22-? 28-33 34-40 41-4 T 48-SS GE S6 TOTAL MEAN
I UE ,R. SI I 1 AiviD
NNE I .2 10 . .2 1. T 6.0
NE .2 1. ..8 1.0 3 . c .
fNE .NE ., 1.5 1.3 4*. 4.
,; I. ? 1.7 .3 4.4 b,3
fSE 1.1 1. .3 2.9 4.4
$I 1. . 7 1.7 .2 4.7 5.6
SS 1 I.2 IF 1.5 4.1, S 3
S 5. T 2.7 1.2 .2 10.6 5.6
SSW .2 1 . 9 4.0 2.0 .8 .5 .Z 1 1 .6 9. 7
sw .R 2.4 3.2 3.9 .7 .3 .3 11.6 10.6
WSW .8 1 . 7 2.0 2. 2 2.2 .7 9.6 1 1.9
W .? 1.3 4.4 3.9 2.2 1.2 13.1 12.7
WNW .2 1.17 1.2 3.0 ,5 ,q 6.1 12.6
Nw .5 .7 1.2 .5 2.9 7.2
NNW .3 1.0 1.3 .8 3.5 8.2
TOTALS I 10.9 2o. 2 28.7 z I. 6.6 3.5 .5 J00.0 9.0
TOTAL NUMPER OF ORSfRVATIONS: 595
-4mI . I iI lIl mnm
ULLOfAL CLIMAIOLO(.Y PRA48C PERCENTAGE FPEOU-NCY OF OCCURRENCE Of SURFACE wIND DIRE(TION VERSUS WIND SPEEDUSAFEIAC FROM HOURLY 0BSERVAT104S
AIR wFATHER SERVICEMA.
STATION NUMRER : 06321 5 TAYION NIAME: ZIR3IRE NL PEIO OF RECORD: 77-8bMONTH: SEp HOURSILS1 : 17OC-1400
.................................................... . .V;" .... ." .. " N........................................................
i WIND SPEED IN AN015DIPECJION 1 1- '4-b 1-10 11-lb 17-21 22-?7 28-33 34-40 41-47 49-55 GE 56 7CIAL MEAN(Of GREE S I I WIND
N .3 2.3 1.2 .2 4. t .
NNE I - .5 .2 1 7.4
NY .7 .8 "3 .3 1.6 7.7
FNE 1. 1.6 1.7 1.6 5. 3 P .4
E .2 .1 1.2 .9 2.9 8.4
f SE g 5 1 .1 7.0.S , .2 .5 .2I. ,
SE .6 -S 1. .6 1. 1 7.0
SSE .9 2, 1.7 .3 .3 5.9 6.4
S 2.0 , 3 3.6 1.2 3 11. l 6.9
SSW .6 2., 2.6 .8 1.4 . 8.2 IL.7
Sd .5 1.9 2.8 1.4 .9 .8 .2 8.4 11.0
WSW .5 1 1.2 2.0 3. ? .8 1.? 9. 13. 3
A ,3 3.1 8.7 S.7 3.6 1.6 .2 27.1 11.8
WNW .2 A 9 2.0 2. 9 .2 .6 .2 6.4 12. 3
NW .7 1.1 1.2 ,2 3.3 9.7
NNw I . 1.6 .9 .2 2.8 10.9
, .. ,,,,,...., ,......,.....................................,.............,..................,..........,.,......,.......,..,,,,,*,,
VARIABLE I I. 1.2 1 .8
CALM4 lll
TOTALS I 8.2 21.2 38.0 23.3 1.6 5.3 .5 100.0 10.0
OTAL NU4I4LR OF OBSERVAIIONS: 645
:L.L_
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQU:NCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZET NL PERIOD OF RECORD: 77-86MONTH: SEp HOURS(LSTI: 1SU0-7T0O
... .. ... .. ... .. .. ... .. ... .. .. ... .. ... .. . SP.. .. ... .. .. ....NOTS.. ... .. ........ "......."............
I wIND SPEED IN KNOTSDIRECTION I 1-3 4-6 7-10 11-16 17-21 22-27 28-33 34-N0 41-47 48-55 GE 56 TOTAL MEAN
IOFGRFSf I WIND...... N............. . .. . ;. . .; . . : ...... :; .............. :Z.......................................1;........8......
N I 5 1 ~ 36 16 . 27.4 9
NNE I.2 1.' .7 .5 .2 2.5 8.4
NE .2 .V .2 1.5 . 3 3.3 It.
ENE I .2 1.V 1.5 .5 3.1 7
E .7 .8 1.1 .3 3.0 6.7
rSE ,. ., .5 .2 1.5 6.4
SE .3 .3 .8 1.5 6.0
ssT 1.1 2.0 1.8 .8 .2 5.9 7.4
S 1.6 3.6 3.3 1.1 .2 .2 10.0 7.1
SSW .5 1.0 1.6 .5 ,7 .5 4.9 1C.3
SW .5 1.6 1.1 2.3 .5 .3 6.4 10.8
WSW .. .3 2.0 3.1 1 .6 1.5 .7 9.4 1%,6
I .7 3 1 11.3 5. 3 2.1 1.9 .2 23.6 10.6
WNW 7 2. 1 3.0 2.1 .5 .7 9.1 '.7
NW .T .7 1.1 .5 2.6 7.9
NNW ,. .7 1.6 1 1 .2 3.4 88
VARTARLE I ''1.6 1.6 2.0
CALM I.3 ////1///// ///////////I///////// ///////////j//////j/ * 3 Ijlll
TOTALS I 949 21. 35.3 21.5 6.6 4.1 1.0 100.0 9.6
TOTAL NUMALR OF O"SERVA TINS: b69
ii L
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUrNCY OF OCCURRENCE OF SURFACE wlNO OIRfCTION VERSUS WIND SPEED
USAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/HAC
STATION NUMBER: 063250 STATION NAME: ZILRIKZE NL PERIOD OF RECORD: 77-86MONTH: SEP HOURSILSTI: 18OO-2300
I WIND SPEED IN KNOTS
DIRECTION I 1-3 4-6 7-10 11-16 17-21 22-2? 28-33 34-4I N1-47 N8-55 GE 56 TOTAL MEAN
IDEGR-ESI I V WIND
N 2.4 4 .1 2.6 .5 .3 .3 10.7 6.2
NNE I, 2. 7 1.2 .2 6.01 4 .
NE 1.2 zI 1.2 .6 5.2 6.2
ENE .5 1 .2 2.0 4 .5
E j.4 1.c 1.1 .2 3.P 5.1
ESE . .A .9 2.4 5.4
SE .3 2. r .3 3.1 4.6
5SE .5 1.g .8 .2 3.2 5.9
S 1.7 2-6 1.2 1.2 .3 .2 .2 7.3 7.9
SW I 7 2.6 .9 1.3 .3 .5 7.0 a.I
SW .9 . 3 2. 1 1.2 .2 6. 7 1.
WSW 1. 3. 7 2.9 4. 6 1. 2.1 15.4 1 1 .
W I.? 3. 2.6 2.0 1.2 .5 .3 11.6 o.s
WNW I.T . 1.5 .8 .2 5 6.? 1 C
NW .6 .p .9 ,6 .3 4,' '7.
NNU .0 11 .1 .3 .2 ."
.. , ... ° . , i • .. , , ...... •, ° . , , . ° , , . , . ° 0. .o °, ° .° * , , . .. ° °. . . . , ,. . . .,. . .VAAIABLI 1I.4 L
TOTALS I 2.9 35.I I38. 14.0I r.0 4. .5
S... . . . .. . ........... ..,° ,. .. . . °. ... o . ..,. . .. . .... . ,* . ,, , • , . . .. .... . ...... ..... . ... ...... ..
TOTAL NUMBER OF OPSCRVAIIONS: 655
0 mJb, mmmmmmmmmmmm ml
AD-AI83 267 jj~ r NET 2/3
Ut4CLASSIFIED U ADS- / 'C 2 ML
LI
J145 LL .
VICI')COPY RESuOUJ)w4'S I~RT
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUINCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICEINAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 77-6bMONTH: SEP OURS(LSTI: 2100-2300
...........................................................................................................................................MINO SPEED IN KNOTS
DIRECTION 1 1-3 9-6 7-10 li-lb 17-21 22-27 28-33 39-0 91-47 98-SS GE 56 TOTAL MEANIDEGREESI 1 2 WIND
...........................................................................................................................................N I 2.0 .9 .6 .4 3.9 5.2
NNE 3.1 .6 1.3 5.0 9.0
NE 2.9 1.6 2.4 .4 7.6 5. 2
ENE 2-0 .9 .2 3.1 3.5
E 4.8 1.3 .7 6.8 3.5
S SE .9 .6 .6 1.8 2,?
SE .9 2.6 1.1" 9.1 5.6
SSE .7 1.7 .9 .6 3.9 6.5
S 1.8 2.R 1.3 .9 .9 .2 7. 6.7
SSW 2.8 2.0 1.5 1.1 1.7 .6 9.6 9.0
Sm Z.8 3.3 3.7 1.8 .6 .7 12.9 6.3
WSW 1. 3.3 2.9 2.9 1.1 .9 11.6 8.9
S1.3 .9 1.3 1.5 .4 1.1 .2 6.6 11.7
WNW 1.3 .2 1.7 1.1 .2 .2 9.6 8.6
NW 1.1 .7 .2 .9 2.9 6.0
NNU 1.1 .9 .2 .9 2.6 6.7
VARIABLE 2.6 2.6 1.1
TOTALS 33.1 23.9 20.1 10.9 5.0 3.1 .2 100.0 6.7
TOTAL NUMBER OF OBSERVATIONS: 593
ThGLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREOUENCY OF OCCURRENCE Of SURFACE WIND DIRECTION VERSUS WIND SPEEDUS AFETAC FRO4 HOURLY OBSERVATIONSARWEATHER SERVICE/MAC
STA:TION NUMBER: 063250 STATION NAME: ZIERIKZE-- NL PE"IOD OF RECORD- 77-j!MONTH: SEP HOURSILST . ALL
DIRECTION I 1-3 4-6 7-10 11-16 11-.11 22-?7 28-33T 34-40 41-47 48-55 GE 5b TOTAL MEANI DEGREES1 I WIND
N I .2 .5 .8 5 . .3 .0 .8 6.7
NNE I 1.0 1.2 .6 .1 .0 2.9 5.1
NE I 1.0 1.6 .8 .5 .0 3.9 6.2
ENE I 1.3 1.2 1.0 .81 8.0 5.9
E I 2.3 1. .8 .3 8.7 81.6KESE I 1.1 .9 .8 .0 2.s mi. 4
SE I .8 1.3 .9 .2 3.2 5.5
SSE 1.0 2.1 1.8 .8 .1 8.9 6.1
S I 1.8 3. 6 2.5 1. 1. .2 .1 .0 8.9 7.0
SSW 1.2 2.T 2.5 1.7 1.0 .5 .1 9.7 9.8
SW 1 .3 2.8 3.0 3.2 .9 .8 .1 11.7 9.8
WSW I .8 2.1 2.2 2.9 1.1 1.0 .1 10.0 11.6
W I .9 1.9 8.2 3.2 1.8 1.0 .1 13.0 11.6
WNW I .8 1.11 1.8l 2.0 .8 .6 .1 7.0 10.8
NW I .6 .8 .7 .7 .1 .3 3.0 8.1
NNW I .4 .6 .8 .7 .1 .0 2.6 8.3
...........................................................................................................................................VARIABLE I 1.8 3.8 1.1
TOTALS I 18.9 26.p 28.9 18.0 5.8 3.6 .6 100.0 8.3
..........................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 8728
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE MIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICEIMAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEE NL PERIOD OF RECORD: 60-86MONTH: OCT MOURSiLSTI: 0000-0200
.........................................................................................................................................I WINO SPEED IN KNOTS
DIRECTION | 1-3 4-6 7-10 11-16 17-21 22-:7 28-33 34-40 41-47 48-55 GE 56 TOTAL MEANIDE GRIESE | WIND
N 1.7 -q .7 .2 2.q 4.5
NNE .4 .2 .7 .6 1.8 7.9
NE .6 1.7 .6 .2 2.9 5.4
ENE 1.7 2.2 1.1 .2 5.1 4.9
E 2.0 2.0 1.8 1.1 7.0 6.1
ESE .7 .9 .2 1.8 4.4
SE 1.3 .2 .9 .6 2.9 7.1
SSE 1.I .7 1.5 .6 .2 4.0 7.0
S 1.3 2.6 3.7 3.3 .7 .2 11.7 9.4
SSW 1.7 1.5 4.2 3.1 2.0 .4 12.8 10.6
Sw i.3 1.5 6.4 5.1 .7 .7 15.8 10.4
WSW .4 1.1 2.2 2.8 .7 1.7 8.8 13.6
M .2 .4 1.8 1.8 1.3 1.1 .9 7.% 25.9
WNW .9 1.5 2.9 1.7 1.S .9 .2 9.0 11.S
NW ,4 .9 .2 .4 .2 2.n 1.8
NNW .9 .2 .6 .4 2.13 S.8
VARIABLE .9 .9 1.2
CALM .7 t11111//I Il/////l///////l III lI/I//I//Il//I //I/I//l///////l///Ii ilJ/i////lI/////// .7 Il/tll
TOTALS I 17.2 il.m 29.0 21.8 7.2 5.1 1.1 100.0 9.5
.. . .. e. . . . ... .. .. . ... . . . . . . . . . .............. ..... ........ ..ee ...... ... ..... ......... .... ~ . . ..
TOTAL NUMBER OF OBSERVATIONS: 595
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREOENCY OF OCCURRENCE OF SURFACE MIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRON HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION MUNBER* 063250 STATION ANE ZI RIXZE- ML PERIOD OF RECORD: 80-86
MONTH: OCT HOURSILSTI: 0300-0500
...............................................................................................................................................I WIND SPEED IN KNOTS
DIRECTION I 1-3 4-6 1-10 11-16 17-21 22-?? 28-33 34-40 41-47 48-SS GE 56 TOTAL MEANIDEGRESP I M WINO
..............................................................................................................................................N .8 .2 .9 .q 1.8 7.1
NNE .8 .8 .S .2 1.5 6.1
NE 1.3 2.5 S .6 .5 6.0 S.9
IWE 1.1 1.8 1.3 .S 8.7 5.8
E 2.4 2.C 2.8 3.8 8.5 b.8
ESE .9 .5 1.5 3.1
SE .9 1.8 .2 2.9 8.6
SSE .S .8 1.8 .8 .2 .2 3.5 8.9
S .8 2.2 3.S 3.6 1.1 10.7 1O.0
SSW I.S Z.9 8.8 3.8 1.6 .2 18.8 9.6
SW ,8 1.3 5.8 S.3 I.S 1.1 15.3 11.9
WSW .S .? 3.3 2.8 .8 .5 .9 6.7 38.3
W.9 1.5 3.6 .9 1.8 . 9.1 15.6
NNW .7 I. 2.0 2.7 I.s .2 8.9 Ia.8
NV .2 .7 .2 .7 3.8 7.9
NNW . -S . .9 2.2 8.6
VAIBL ,. 2 2.0
TOTALS I 12.0 20.7 27.6 26.9 7.1 8.0 1.3 300.0 9.9
TOTAL NUMBER OF OBSERVATIONSt 550
I-J m ,am nm mI m
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREOUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED
USAFEIAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PEDIOD OF RECORD: 77,79-56MONTH: OCT HOURS(LSFI: 0600-0800
WIND SPEED TN KNOTSDIRECTION I 1-3 4-6 7-10 11-16 17-21 22-?? 28-33 34-40 41-47 9B-Ss GE 56 TOTAL MEANIDEGRES| % WIND
• N I .7 .2 3.0 .7 2.5 7.6
NNE .3 .7 1.0 .2 2.1 7.1
NE .7 1.3 .2 2.1 9.5
ENE 1.0 1.0 2.0 .3 9.3 6.S
t 2.0 2.5 1.3 1.6 7.9 6.9
ESE 1.2 1.2 .3 2.6 9.6
SE 1.0 1.3 2.3 .2
SSE .2 1.8 2.3 1.2 5.9 8.0S I .2 2.3 3.9 5.4 .8 .2 12.8 10.6
SSW .3 3.3 9.0 9.9 1.8 5 15.6 10.9
SW 1.0 9.1 3.9 9.9 3.S .5 16.3 9.7
WSW .3 .7 1.8 2.1 .S .5 5.9 11.9
N .3 1.2 2.5 2.8 Ito 1.6 9.4 13.9
Nkw .3 .7 .7 2.1 1.2 1.3 S.9 11.S
NW .2 .3 .5 .2 1.2 9.9
NNW .5 .8 .3 1.0 .2 2.9 8.3
VARIABLE I .9.8 1.0
CALM li,,,i//I///i iii/i/////I///Ii// ///I////fI///I// ///Ii/////////////////////I ,5 lll
TOTALS 1 jj.1 23.2 26.0 27.3 1 .3 100.0 9.7
...............................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS1 608
.,
1* ±
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREOUTNCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD or RECORO: 77,79-e6MONTH: OCT HOURSILS 1: 0900-1100
I WIND SPEED IN KNOTSDIRECTION 1-3 1-6 7-10 11-16 17-21 22-27 28-33 34-1D NIl-4 No-SO GE 56 TOTAL MEANIDEGR£E$I S WIND
........................... ...... ..................................................... . .N,2 .0 .2" . .2. .. . .. . .. . ... . .. . .. . ... 7.3
NNE . .3 1.0 .7 2.6 8.3
NE .3 .3 .8 .3 1.8 7.8
FNE .5 1.0 1.2 ,S 3.2 6.90E 1.3 2.2 2.0 1.0 6.6 6.5
0 ESE .5 .8 .3 .3 2.0 6.1
SE .7 1.7 1.7 .2 6.2 5.8
SSE .7 1.6 1.0 1.0 .2 6.7 7.5
S .5 2.5 5.6 5.2 .3 .2 14.1 9.6
SSW .8 1.7 6.0 6.1 1.7 1.3 15.6 12.0oSW .7 2.9 1.5 6.7 1.5 1.2 IS.S 11.6
WSW .3 1.8 3.0 1.5 .2 6.9 13.2
B .3 2.0 2.0 2.7 2.0 .2 .2 9.6 11.8
MNW 17 3.2 2.7 1.2 1.2 6.9 |%.S
NB .2 .8 .3 1.0 2.6 8.6
NNB .z .1 .7 .2 1.3 12.3
VA I B E I . .. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . .7 1.3
CALM /i////I// I////// .S //I///
TOTALS I 7.9 20.2 21.9 30.6 8.6 6.2 .3 100.0 10.2
TOTAL NUMBER OF OBSERVATIONS: 59S
LIn
GLOBAL CLIMAIOLOGY BRANCH PERCENTAGE FREUU[rCY Of OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROq HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIFRIKZE- NL PEPIOD OF RECORD: 77,80-R6MONTH: OCT HOURS(LSrI: 12oo-IRCo
..........................................................................................................................I WINO SPEED IN KNOTS
DIRECTION I 1-3 1-6 1-10 11-16 17-21 22-7 28-33 316-40 61-47 16-5S GE 56 TETAL MEANIDEGR:ESI I I hIND
...........................................................................................................................h . e.1 .5 .2 2.46,*.
NNE .2 * .8 .6 2.1 .2
NE . .6 .5 1.7 8.3
ENE .5 *" 1. 1.1 3.% 9.7
E .2 1.2 1.3 2.1 4.6 9.5
rS I .5 1.1 .6 2.2 5.6
sr .2 1.9 1.3 .3 3.7 7.0
SSE .8 2.2 2. .8 6.2 6.8
S 1.1 3.8 1.8 3.7 1.0 14.3 8.8
SSW 1. 1 F4 3.3 19. I.q .5 12.2 1J3.I
SN .5 .3 3.0 1.9 .8 *5 .3 10,S 12.3
WSW .8 1.6 3.2 2.5 1.7 .6 .2 10.6 11.6
.3 1.6 5.1 5.1 2.7 1.3 .3 .2 16.5 13.16
VN .2 :3 1.9 2.5 1.0 .5 6.3 12.9mv 7 . .2 .8 .2 1. 3 12.0
NNW .2 .5 .5 .6 1.7 13.3
TOTALS 5.1 17.5 32.5 29.2 9.5 16 .1 1.1 .2 .2 100.0 10.9
TOTAL NUMBER OF OBSERVATIONS: 630
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAF, T aC FRO4 HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 77,79-86MONTH: OCT HOURSILSFI: 1500-1700
...............................................................................................................................................I WIND SPEED IN KNOTS
DIRECTION I 1-3 4-6 7-10 11-16 17-21 22-?? 28-33 3%-40 NI-47 48-5s GE 5b TOTAL MEANIDEGREESI gI WIND
............................ ........................................................................... .....N 11. .9 .5 .4 .2 3.3 9.9
NNE .7 1. .7 3.2 7.7
NE .2 .7 .9 .2 1.9 6.7
ENE .5 .7 1.9 .2 2.8 9.8
K'E .2 1.2 3.0 1.8 6.2 8.8
ESE .5 .5 .9 .2 2.1 6.2
SE .4 1.. .7 2.5 5.7
SSE .9 3.5 1.8 .5 .9 7.0 6.9
S .5 2.1 2.5 2.8 7.9 8.9
SSW ,9 3.3 5.6 1.8 .2 .5 .? 12.5 12.9
SW .2 1.1 3.0 3.9 1.4 .7 .S 10.7 13.1
WSW .9 1.9 2.1 2.1 1.8 .7 9.0 11.9
W .2 2. s 3.5 6.7 1.2 1.6 .s .7 16.3 13.0
WNW .5 .5 2.3 3.3 .9 .7 .4 .2 8.8 13.7
"W .2 1.1 . ., .2 2.1 6.0
NNW .9 .9 .7 .7 3.2 7.1
SVARIARLF I .4. "
CALM Ij i//I//I//Ii/I ///////i///I////IiI//I////Ii///I//////////I////II////////////I////// .2 l//l
TOTALS 6.7 19.9 27.9 30.4 8.1 4.3 1.6 .7 .2 100.0 10.8
TOTAL NUMBER OF OBSERVATIONS: 569
-4
IC) wwm - immmim
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY Of OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFET AC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC©STATION NUMBER: 063Z5 STATION NAME: ZIERIKZE7 NL PE
0IOD OF RECORD: 77,19-86
MONTH: OCT HOUqsILSrI: 1800-2300
I WIND SPEED IN KNOTSDIRECTION I 1-3 8-6 7-10 11-16 17-21 22-?7 28-33 34-4O 41-17 8-55 GE 56 TOTAL MEAN
DE GRrES I % WIND. . .. ............ ;........ ........ ........ 7........3........................... . . .......... ................. . ..• • • . o .
N1.5 . .8 .7 .3 . o
NNE .8 1 . ) .8 .3 3.0 6.3
NE 1.0 1.0 .2 .3 2.5 5.7
ENE I.5 .7 .7 1.3 .2 6.9
E 1- 3.2 1.s .5 6.s 5.B
ESE .2 1.3 .3 1.8 5.0
SE .3 1.7 1.0 .3 3.3 6.3
SSE 1.0 2.2 2.5 1.0 .5 .2 7.3 8."
S 1.5 2.0 2.2 3.0 .6 9.5 9.3
SSU .5 2.2 3.0 6.7 1.2 .3 .3 .2 14.3 11.8
S I .s 2.3 2.0 3.8 1.3 .1 .2 11.0 12.0
WSW o7 2.2 2.7 1.3 .2 7.n 12.5
V 1.9 .R 2.0 4.0 .8 .9 .2 10.5 11.6
WNW .8 1.2 2.3 1.7 .7 .8 .2 T.7 11.3
NW S.7 5 8 ,7 .3 3.0 9.8
NNW 1.0 .5 1.2 .2 2.8 5.6
TOTALS I 5.3 21 . 23.5 27.7 7.0 3.9 .8 i! 100.0 9.5
oo .. .*..... ........... o .. ,,. oo.. ... ..o~ .o. . . . . . . . . . . .. . . . . . . . . . . . .. . . . . . . . . . . .
IOTAL NUMBLR Of OTISERVATIONS: 600
e
rd
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZICRIKZEZ NL PERIOD OF RECORD: 77,80-86MOHIH OCT HOURSILSiT: 2100-230D
.................................................................................................................................................I WIND SPEED IN KNOTS
DIRECTION J 1-3 9-6 7-10 11-16 17-21 2 2
-27
28-33 34-40 41-47 48-55 GE 56 TOTAL MEANIDEGREES) | I WIND
........ ....... ....... ....... ....... ....... .. . . . . . .. . . . . .
N 3.0 6.5
NNE 3.1 .1 .2 .7 2.3 6.2
NE I .4 2.5 .7 .7 5.3 5.6
ENE 1.2 1.2 .4 .5 3.3 5.2
E 1.9 2.3 2.6 1.9 8.2 7.4
ESE .9 .5 .4 1.8 9.5
SE .. . .9 .2 .2 .2 2.3 8.6
SSE .2 1.1 2.1 .9 .2 .2 4.0 8,3
S .9 3.0 2.3 3.3 .9 . 10.7 9.9
SSW 1.8 1.9 3.0 5.8 1.6 .S .4 14.9 11.4
SW .S 1.9 9.9 4.0 .9 5 12.8 10.6
WSW .4 1.6 2.1 2.1 .7 .9 .2 7.9 12.0
A . .2 2.3 2.3 3.1 .9 1.9 8.9 16.0
VNW .7 .5 1.8 1.8 5 1.1 .2 .2 b.7 13.7
NW ,. ,5 .7 .5 .2 .2 2.6 8.7
WNW .7 .9 .9 .2 .2 2.8 6.4
VAIBL 232.1 1.3
CALM | .9 lll
TOTALS I 14.9 20.7 25.4 24.7 6.3 4.7 1.8 .5 100.0 9.8
................................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 570
mi.L
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEI NL PERIOD OF RECORD: 77,79-86MONTH: OCT HOURSILSF): ALL
... ... ... ... ... ... ... .. ... ... ... ... ... ... . . ,..,.. .. .. . .o .... . . °...o....,..o.. .. ....... ,.....o..
I WINO SPEED IN KNOTSDIRECTION 1 1-3 4-6 7-10 11-16 17-21 22-27 28-33 34-0 41-47 46-5S GE 56 TOTAL MEAN
I0EGR-E(S I 2 WIND
N N .6 . .o .N .1 .0 2.7 7.5
NNE .S .5 .8 S1 2.3 7.2
NE .7 1.3 .7 .3 3.0 6.0
ENE l.0 .r 1.1 .7 .0 3.9 6.6
E 1 I3 2.1 2.0 1.5 6.8 7.1
ESE .7 .9 . .1 2.0 5.0
SE .6 1.8 .8 .2 .0 .3 3.0 6.2
SSE .7 1.7 1.9 .7 .2 .1 5.3 7.6
S .8 2.6 3.5 3.8 .7 .1 11.5 9.6
5SW .3 1.9 3.9 8.9 1.6 .6 .2 .1 14.1 ll.S
SW .1 1.9 .2 9.5 1.2 .8 .1 13.4 I.3
WSW .8 1.0 2.1 2.5 1.1 .6 .1 .( 7.9 12.S
I.8 3.Z 2.6 3.6 1.8 3.2 .5 .0 .0 11.n 13.6
WNW .S .9 1.B 2.3 1.0 .8 .1 .1 .0 7.5 12.8
NW .1 .6 .3 .6 .1 .1 2.n 8.9
NNW .6 .5 .6 .6 .I .3 2.N1 8.0
VAR|ABLE .7 .7 3.3
TOTALS 11.3 20.2 27.5 27.8 7.6 8.3 1.0 .2 .0 .t 300.0 10.0
TOTAL NUMPER OF OBSERVATIONS: 8667
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICEfMAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZE NL PERIOD OF RECORD: AD-86MONTH: NOV HOURSILSTI: 0000-0200
WIND SPEED IN KNOTSDIRECTION I 1-3 4-6 7-10 11-16 17-21 22-27 28-33 34-40 41-47 8-55 GE 56 TOTAL MEAN
IDEGREESI I WIND
.................................................................................................................................................N .2 .e .2 .2 .4 .2 .2 2.2 12.9
NNE I .2 .6 .2 .2 1.2 7.0NE 1.0 .2 .2 1.4 4.9
ENE I .8 8 .6 1.8 .4 4.5 9.6
L .6 3.1 3.3 1.2 .6 8.8 8.0
ESE 1.2 .2 .6 .6 2.7 10.8
SE I .4 • 2.0 1.2 .2 4.5 9.0
SSE .4 .6 1.2 1.0 3.3 8.0
S .6 1.0 3.3 1.6 1.8 .4 9.4 11.2
SSW .6 4.1 6.7 2.2 1.4 15.1 13.6
SW .6 1.8 8.0 7.2 1.0 .4 19.0 10.7
WSW .2 1.? 1.6 2.2 1.2 .6 .2 .4 7.8 14.2
W 1.0 .1 1.6 Z.Z 1.2 1.2 .2 8.0 1j.6
NNW .8 1.2 2.2 1.8 .6 6.3 13.2
NW .2 1.2 .6 .2 2.2 6.2
NNW .2 1.6 .2 .8 2.9 7.1
VAIBEI . .6 1.3
CALM4 1 .0 l/I
TOTALS I 7.2 16.6 26.6 29.7 11.0 8.9 .6 .4 100.0 10.9
.........................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 469
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREOUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZET NL PERIOD OF RECORD: 80-84,86MONTH: NOV HOURSILSTI: 0300-0500
I BIND SPEED IN KNOTS
DIRECTION I 1-3 A-b 7-1O 11-16 17-21 22-ZT 28-33 3R-40 41-47 48-55 GE 56 TOTAL MEANIDEGRrESJ % WINO
N .4 .9 .7 .4 .4 .2 3.1 11.3
NNE .7 .4 1.1 9.2
NE .2 .7 .2 .2 .2 1.6 7.6
ENE .9 .4 .9 .7 .4 .4 3.8 10.2
E .4 2.7 2.7 1.8 7.6 7.9
ESE .7 . 2 .9 1.1 .2 3.1 9.7
SE .2 2.7 .4 .2 3.6 9.4
SSE .4 .9 1.1 2.4 9.8
S .9 1.6 3.3 1.8 2.7 .4 .2 10.9 11.8
SSW .4 .4 5.3 6.2 1.1 1.1 .2 .2 15.1 13.0
SW .4 3.1 5.8 8.0 1.8 .2 19.4 11.2
WSW .2 • .9 2.9 .2 .4 .2 .4 .2 S.8 16. 3
W 1.3 1.3 2.7 2.0 .7 .9 .2 .2 9.4 11.4
WNW .7 1.1 1.8 .9 1.3 9.8 10.9
NW .2 .7 .9 1.1 2.9 A.9
NNW .9 .4 .7 .4 .2 2.7 7.6
V 1. 0
CALM l iiiii iiii i/i ii I//I/I/Il/Il/I i/,/I//IIIIII//I/////Ii//Ii.'II/Ii,/I/.'I//II///I////I///I ,.7 l/llI
TOTALS I 9.4 14.7 30.3 29.6 9.1 3.8 1.1 .9 .4 100.0 11.0
TOTAL NUMBER OF OBSERVATIONS: 449
0do-
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICEIMAC
STATION NUMBER: 063250 STATION NAME: ZIERIK7E ML PERIOD OF RECORD: T7 79-86
MONTH: NOV HOURSILSfI: 0600-0800
I WIND SPEED IN KNOTS
DIRECTION I 1-3 9-6 7-10 11-16 17-21 22-7 28-33 39-40 41-47 98-SS GE 56 TCTAL MEANDIEGRES3 I % WIND
N .6 1.1 .4 .9 .6 .4 3.9 I.S
NNE .2 49 .2 .7 6.3
NE I .2 .2 .6 *6 1.5 30.0
ENE .9 .2 .9 .9 .9 .9 3.7 13.2
E . 2.2 2.6 1.3 6.6 8.2
ESE .4 1.7 1.5 .2 3.7 10.1
SE .9 .2 2.1 .9 3.0 8.1
SSE .9 .2 1.3 .7 .9 3.6 9.3
S .4 .7 3. 3.0 .9 .7 9.2 1.5
SSW .4 1 9.7 8.1 2.2 .9 17.8 12.5
SW .9 1.7 5.6 6.0 2.8 .2 17.2 11.3
WSW .6 .7 1.3 .9 .2 .9 .2 .4 .4 .9 6.0 18.9
W .6 .9 1.3 1.3 2.6 1.3 .9 .9 8.9 1S.8
WNW .2 2.1 1.5 1.5 1.7 .4 7.3 11.1
NW .6 .2 .2 .1 .2 1.9 9.0
NNW .4 .6 .7 .6 .2 2.9 8.3
VARIABLE I 1.9 1.9 1.3
TOTALS I 8.8 13.3 28.3 28.7 12.9 5.8 .6 .7 . .4 100.0 13.5
..........................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 539
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREOUNCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEED
USAFET AC FROR HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZET NL PERIOD OF RECORD: 17,79-94,86
MONTH: NOV HOURSILS||: 0900-1100...........................................................................................................................
I WIND SPEED IN KNOTSDIRECTION I 1-3 4-6 1-10 11-16 17-21 22-?? 28-33 34-40 41-47 48-55 GE 56 TOTAL MEANIDEGREESI 2 WIND
N .6 .4 1.3 .4 2.7 10.0
NNE 1.0 .2 .2 .2 .6 2.3 8.5
NE 1.5 .6 1.0 3.1 6.5
ENE .2 .6 .4 ti .6 2.3 10.5
E .6 1.3 1.5 1.1 .2 .2 5. 9.7
ESE .z 1.7 .6 1.9 .2 4.6 9.5
SE .6 1.3 8 2.7 8.3
SSE 1.0 .6 .8 .4 2.9 10.3
S I . 3.8 3.1 1.3 9.4 13.0
SSW 1.9 .4 2.9 7.9 2.7 1.7 17.6 13D2
SW 1.0 1.3 4.2 8.2 2.3 .6 17.6 11.8
WSW .6 ,8 3.3 2.9 1.0 .6 .4 9.8 12.4
W .2 1.0 1.0 2.5 1.0 I.? .4 .4 8.4 16b.6
NW .2 .8 1.9 1.T .8 .6 6.1 12.0
NW .2 .6 .6 .8 2.3 9.2
NNW .2 .6 .8 .6 .2 2.5 9.6
..............................................................................................................................................VALIARLE I .2 .2 . g ~.
2 .2
1 .0
TOTALS 6 13.t 23.6 36.0 11.7 5.6 .6 .4 100.0
TOTAL NUMBER OF OBSERVATIONS: 478
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MACCSTATION NUMBER: 063250 STATION NAME: ZIERIKZEE NL PRIOO OF RECORD: 77,79-sb
MONTH: NOV HOURSILS : 1200-1400.............................................................................................................................................
WINO SPEED IN KNOTSOIRECTION 1-3 q-6 1-10 11-16 17-21 22-27 28-33 34-0 41-47 98-55 GE 56 TOTAL MEANODEGREES) I B WIND
.............................................................................................................................................N .2 .7 1.6 .9 .S 3.4 9.s
NNE .7 .5 .7 .2 2.1 9.8
N E .4 1.2 .9 2.5 9.7
ENE .2 .4 1.2 .9 .7 3.4 1!-Z
SE .2 .5 .5 2.8 .5 41.6 12.0
ESE .5 .5 1.9 2.S 1o.
SE .9 1.9 .9 1.2 .z 9.1 F.?
SSE .9 .5 2.5 1.1 S.0 8.0
S .5 1.2 3.7 2.0 .5 .2 6.2 9.7
SSW .4 .s 3.9 S.0 2.9 1.% 19.0 13.6
SW .9 1.2 3.0 7.9 2.1 .1 .9 IS.2 13.1
WSW 1.9 2.6 9.9 2.9 2.0 .4 12. 191.1
W .2 1.4 2.0 3.9 3.2 2.1 22.2 19.6
WNW .2 .7 2.6 .9 4. 3.s
M. V .4 .7 .9 .2 ,S 2.1 13.4
NNW . 1.6 5 .2 Z 21 10.0
.... VARA. L|*' ''' '''........ ......................................................................................................
VARIABLE I 1.0
CALM w I it I I /// / / // / /I II// ,f or/ /II/I/ I 1.0 11 I I I I I I /,pII 1,111/i I/o I
* TOTALS I 3.7 21.9 27.S 3s.8 I.s 6.9 .1 I00.0 2.?
TOTAL NUMBER OF OBSERVATIONS: 569
o .. mo m ~immmmdl I II l ll mm
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WINO DIRECTION VERSUS MIND SPEEDUAAFET AC FROM HOURLY OBSERVATIONSAIR WEATHER SERVXCE/"AC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE! NL PEOIOO OF RECORO: 77.79-8 86MONTH: NOV HOURSILSTI: 1500-1700.................................. ,................. ............. ...........................................................
I WIND SPEED IN KNOTSDIRECTION 1 1-3 1-6 7-10 11-16 17-21 22-z7 28-33 34-4o NI-N7 44-5S GE 56 TOTAL MEANtOEGR.ESP | WINO
N .6 .8 1.2 .8 .2 8.7 8.8
NNE .2 .7 .N .2 1.0 8.4
NE 7 . ? .6 1.0 Z.0 9.3
ENE .2 *N .2 1.N .2 2.5 10.9
E 1.0 1.8 . 2.7 .8 6.7 9.9
ISE *2 12 1.0 1.0 1. .2 3.5 9.N
SE .2 .6 1.0 .6 2.5 8.2
SSE 1.0 .8 2.5 .6 .2 5.1 7.6
S I N 1.2 2.9 .8 .N .N 6.1 10.1
SSW 1.0 5.3 7.0 2.2 .8 16.8 1 2 -.
SW 1.0 1.2 2.9 6.3 .8 .6 12.9 11.5
WSW 1.6 3.3 3.7 1.N 1.6 .N 12.1 13.5
.*N 1.0 1.6 3.3 1.N 1.2 9.0 13.7
N NW .2 .8 1.N 2.5 2.9 1.u 6.N 15.1
Nt .N 1.2 .8 .2 .2 2.9 11.8
&Nk .8 . 1.6 1.0 1.3 7.7
VARIABLE I
TOTALS I 6.5 1.7 27.6 3N.8 11.0 5.9 .N 100.0 II.5
TOTAL NJ RSI OF OBSERVATIONS: f89
0
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQU1NCY Of OCCURRENCE OF SURFACE WIND DIRECTION VERSUS MIND SPEEDUSAFETAC FROQ HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZET NL PERIOD OF RECORD: 77,79-66MONTH: NOV HOURSILSTI: 100-Z000
I WIND SPEED IN KNOTSDIRECTION I 1-3 9-6 7-10 11-16 17-21 22-?? 28-33 34-RD 91-47 46-55 GE 56 TOTAL MEANiOEGRESI bIND
.................................................................................................................................N " .7 1.6 .7 .9 .2 .2 9.5 8.0
NNE .2 .4 .2 .7 8.5
NE .2 .9 1.1 1.6 10.0
ENE .9 1.1 1.8 .9 .7 5.S 9.1
E .5 2. 1.1 2.5 .9 6.5 9.9
ESE .2 .9 1.1 .9 3.1 8.5
SE .7 .9 2.9 .7 4.7 7.z
SSE .2 .9 1.8 .9 2.7 8.3
S .5 .7 3.3 2.2 .5 .9 8.2 l1.4
SSW .7 2.0 9.0 7.1 1.6 .9 .2 16.5 12.1
53u 2.r 5.5 9.2 3.3 .2 13.1 11.7
'WSW .4 1.s 2.7 2.4 1.5 2.0 10.4 13.S
W .9 .4 1.6 1.6 1.1 1.3 .9 6.7 14.6
WNW ,. .5 1.6 3.1 2.5 .5 .2 8.9 19.0
NV I . .9 9 .2 .5 .2 2.S 9.7
NNW .9 .9 1.1 .9 3.3 6.7
.................................................................................................................................................VARIABLE .2 .2 .0
CAL14 .7/ / / / ?lll
TOTALS | 7.3 16.S 29.5 28.5 10.S 6.0 .9 300.0 11.0
.................................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 550
piLa-
0 GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUINCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUS AFETAC FROM HOURLY OBSERVATIONS.*IR WEATHER SERVICEIMAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 77.80-84,B6MONTH: NOV HOURSILST): 2100-230D.........................................................................| WIND SPEED IN KNOTS
DIRECTION I-3 4-6 7-10 11-16 1-21 22-27 28-33 34-NO 41-41 48-55 GE 56 TOTAL MEAN
IDEGRCESI I WIND
N .4 1.1 .9 .9 .2 3.4 8.9
NNE .4 .6 .4 1.5 13.0
NE .6 .4 .4 1.5 8.1
ENE .4 .2 .4 1.5 .2 .4 3.2 12.1
E 1.3 2.8 .9 3.2 .4 8.5 8.8
ESE .4 1.1 .9 .9 .6 3.8 9.4
SE .4 1.1 2.8 .9 5.1 7.8
SSE .2 .2 1.5 .9 2.8 9.2
C) S .6 2.1 1.1 2.1 .9 6.8 9.8
SSW .6 .9 3.4 6.0 3.4 1.1 .2 15.6 13.5
SW o 4 2.1 7.9 5.8 1.9 18.1 10.6
C WSWI .9 .4 1.7 4.3 .6 1.1 .6 .4 10.0 15.5
W .4 .4 1.1 2.8 1.7 .4 6.8 13.9
WNW .6 .6 1.1 2.1 1.5 .6 6.6 12.9
NW .9 .8 .2 .2 .6 .2 2.6 9.8
NNW 1.7 .9 .2 2.8 6.7
....V RIA E ....... . .....................................................................................................
TOTALS F 8.1 15.8 24.9 32.6 12.4 4.1 .9 .4 100.0 11.3
TOTAL NUMBER OF OBSERVATIONS: 469
9L-
GLOBAL CLIMATOLOGV BRANCH PERCENTAGE FRLOIUNCI OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEO
USAFETAC FRON HOURLY ORS(RVATInNS
AIR WEATHER SERVICEIMAC
STATION NUMRER- 063Z50 S$r S ION NAME: ZIERIK 21 NL PERIOD OF RECORD: 77.79-86MONTH: NOV HOURs(LSiI: ALL
........... o................o.....o.....................o.....o.......o.o....e...o....................o...............o....
WIND SP[EO IN KNOIS
DIRECIION I 1-3 4-6 7-10 11-16 11-21 22-27 28-33 34-40 41-.1 98-SS GE 56 TOTAL MEANtf FGR: E S I % WIND
NNE .3 . .2 .3 .2 1.3 9.1
NE , . .5 .7 .0 1.9 8.3
ENE I .S .5 .8 3.1 .5 .2 3.6 10.7
E ,b 2.0 1.6 2.2 . .1 6.8 9.3
ESE .z .9 .9 1.2 .2 3.8 9.7
SE I . .6 3.9 .0 .2 3.8 8.3
SSE .S I 1-b .8 .1 3.S 8.6
S s 1.2 3.1 2.1 1.0 . .0 8. 10.9
SSW I . .9 9.2 6.1 2.3 1.2 .1 . 16.0 13.0
Sw 6 1.8 S.3 6.6 1.8 .3 .1 .0 36.5 11.8
WSW . 1 3.0 2.2 3.0 3.0 1.2 .3 .1 ,1 .1 9.1 14.4
W .5 .9 1.6 2.9 1.? 3.3 .z .1 8.7 38.8
WNw .3 .8 3.9 2.1 1.6 5 .0 6.9 12,9
NW , *6 6 .6 .2 .2 2.S 2O.0
NNW .4 .9 1.0 6 .1 .0 2.9 1.9
TOTALS I .8 194.91 1.6 33.9 31.6 6.4 .1 .7 .1 .1 300.0 3.
.............VA I O ( i........;.....................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 93220!
-K&S | 7q I* l~ 19 |, , ? 7 , ||OO |.
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY Of OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO" HOURLY OBStRVATIONSAIR WEATHER SERVIC(/MAC
STATION NUMBER, 063250 STATION NAME- ZIERIKZE-- NI PEPIOD OF RECORD: SO-86M ONTH: DEC HOURSILSTI 0000-0200
I MINO SPEED IN KNOTSDIRECTION 1 -3 14-b 1-10 I1l 17-21 2?-?? 28-33 34-40 14I-47 1 88-66 GE 66 TOTAL ME ANIOEGR.CSI I WIND
N . 2 .7 .5 .5 2.6 8.
NNE .7 .7 .2 1.2 8.6
NE I .7 .9 .7 .2 2.6 b.8
ENE I .5 .2 .2 .2 1.? 6.8
t .7 .S 3.6 1.2 S.8 8.6
E SE 1 7 .2 .Z.6 8.6
SE I 7 1.2 l.A .5 .0 10.2
SE.2 .! 1.8 1.4 .5 3.7 1.
S I .6 2.1 3.1 3.5 1.9 .6 52.1 11-2
SSW I1.2 3.7 8.7 2.3 Z.3 .2 181.8 18.6
SW I 1.2 1I.2 3.5 7.0 .9 .6 .21. 11 .3 #
WSWi .9 1.8 3.5 3.6 1.6 1 .8 .65 . 13.7 1 3.6
W : I 2 17 1 . 1 6 - 9 1 . 8.%7 . 1 . 6
N W :6 . 1 . 2 .5 1 .6 .9 .6 1 2 . ?7
N .6 2. 1 1.8 1.2 .5 .2 6.51 6.S
NNW I .7 I. . 7.3 6
CAL" //iDI~II .2 11,111
TOTALS 9.1 38.7? 1. 27.% 1. 11.2 1.4 k. .6 S 10.f 31.4
TOTAL NURSER Of OflsERVATioNSt 830
C GLOBAL CLIMAIOLOGY BRANCH PERCENTAGE FREOUCNCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WINO SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE! NL PEqIOD OF RECORD: 80-84,86
HONTH: DEC HOURSILSTI: 0300-000
................................................................................................................................................I WINO SPEED IN KNOTS
DIRECTION | 1-3 %-b 7-10 13-lb 17-21 22- ? 28-33 34-40 41-47 48-55 GE 5b TOTAL MEANIDOGR!ESI I 1 WIND
N o.8 .8 03 1.8 8.6
NNE .3 .3 .8 .3 1.6 13.5
NE .3 1.6 .3 2.1 5.0
ENE -3 .8 .3 1.3 2.6 9.1
E .8 1.6 4.2 .3 6.8 7.5
FSE .3 .8 2.1 .3 3.4 7.6
SE ,5 1.3 .5 1.0 .5 3.9 8.7
SSE .8 1.3 1.0 .8 3.9 10.6
S .5 3.3 2.1 2.9 2.4 9.7 11.7
SSW I .5 1.8 2.1 3.9 3.7 .8 .3 11.1 13.4
SW .3 2.9 4.5 6.6 1.8 1.3 .3 17.6 Ii.?
WSW .3 1.6 1.3 2.4 1.3 .5 ,3 7.6 14.0
W .8 *4 3.0 2.6 .8 .3 1.0 7.3 13.8
WNW 1.3 1.3 1.6 2.4 1.6 .3 8.7 10.8
NW I.8 .0 2.4 .3 .5 .3 5.2 8.9
WNW ,S 1.0 .8 .8 .3 3.4 8.5
VARIABLE 1.3 1.3 11.
TOTALS I 8.4 19.7 25.5 26.5 12.9 4.5 2.1 .3 100.0 10.9
TOTAL NUMBER OF ORSERVATIONS: 381
GLOBAL CLIHATOLOG BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE UF SURFACE WINO DTRECTION VERSUS WINO SPEEDUSAFEIAC FROM HOURLY O8SERVATION%AIR WEATHER SERVICE/HAC
STATION NUMBER: 063253 STATInd NAME: ZVrRIKIE NL P19100 OF RECORD: ?7-8bPfNTH: DEC HOURSfLST): 0600-0600
I WIND SPEED IN KNOTSOIRLCTION 1 1-3 6-b 1-0 11-16 17-21 22-?7 26-33 36-60 41-67 -18-55 GE S6 TOTAL MEANOEGrSI I a WIND
N I *b 6 . 1. .23.n 9.3
NNE I 6 2 b .6 .6 .6 2.6 II.?
NE .6 .2 . .2 1.6 5.6
ENE . 1.6 1.8 7.3
Sb Z.6 . 3.8 .6 7.6 7.6
(SE I . 1 .6 1.0 1.0 3.8 7.6
St I . 1.2 1.2 l.b .2 4.6 6.9
SSE .2 .6 2.0 1.6 .6 6.6 9.6
.,? 2.6 2.6 3.0 2.8 .2 11.2 11.5
55W 1.0 .6 2.2 S.6 6.6 1.3 15.0 13.6
SW 1.0 .0 6.6 5.8 1.2 .6 1b.2 jO.7
WSW .6 .2 1.? 2.6 1.2 1.6 .8 .2 6.6 16.6
W .4 .6 1.6 1.8 .8 3.6 .8 7.2 16.1
WNW b.6 p 3. 2.2 .6 .6 6.0 11.5
NW .2 .6 .9 .6 ,z 2.0 13.6
NNW .2 1.6 .4 .6 2.6 ?,3
VAR....E 3.2 .. 1.6 1.9
TOTALS I 8.6 16.2 2S.S 28.? 12. 6.0 1.6 .2 100.0 11.3
TOTAL NUMBER Of OSERVATIONS: 699
dk_
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WINO DIRECTION VERSUS WINO SPIEDUSAFETAC FRO4 HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIBZE- NL PEPIOD OF RECORD: 7T-84,86MONTH: DEC HOURSILSTI: 0900-IICO
I WIND SPEED IN KNOTS
DIRECTION I 1-3 10-6 T-10 11-lb 17-21 22-71 28-33 34-40 41-07 48-55 GE 56 TOTAL MEANC0OEGR.(SI I WIND
N .7 .* .9 .9 .7 3.6 9.9
NNE .9 1.1 .2 .2 2.5 6.8
NE .7 .7 1. 7.3
ENE .2 .7 1.1 2.3 6.5
E .7 2-1 2.5 1.6 7.7 7.1
ESE .t 2. Z.S .5 6.1 6.5
SE .2 .2 1.1 2.0 3.6 10.4
SSE .2 .2 1.6 2.7 .2 5.0 10.8
S .5 1.8 2.5 .9 1.8 .5 7.9 11.1
SSW .7 2.0 0.5 S.6 97 2.0 19.6 1. 3
SW .2 1 .6 1.1 2.9 1.1 .9 10.8 11.1
WSW .2 1.1 2.7 2.9 .9 .7 .5 9.3 132.
I 1.6 .7 2.5 2.3 .5 .9 ,7 9.D 12.1
WNW .5 .7 1. 1.10 1.6 5.1 I.?
NW I* 1. . .5 .2 3.2 11.9
NNW t7 .5 .9 .2 2. 10.8
TOTALS 7.2 17.3 1.1 25.7 12. S.7 1.1 100.0 I0.9
TOTAL NUMBER OF OBSERVATIONS: 410
J L.
I I I
6LOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRCCTION VERSUS WIN0
SPEEDUSAFtTAC FRO HOURLY OBSERVATIONAIR WEATHER SERVICE/AC
STATION NUMBER: 063250 STATION NAME: ZIrRIKZEr NL PERIOD Of RECORD: 77,79-86MONTH: DEC HOURSILSr): 1200-100
I WINO SPEED IN KNOTS
DIPECTION 1 3-3 4-6 7-10 11-16 17-21 22-?7 28-31 34-40 4I-N7 48-55 GE 56 TOTAL MEAN
(DE GR-E SI a WIND
.2 .9 .4 .9 2.4 8.6
NNE .2 .2 1.5 1.9 7.2
NE .9 .9 1.9 6.5
ENE .4 .7 1.3 .4 2.8 7.2
E .7 .9 2.6 1.1 5.4 T.4
ESE .4 1.1 1.3 .2 3.0 6.9
SE .4 1.3 2.6 .6 .2 5.0 8.1
SSE .2 .8 1.9 1.1 .9 8.5 11.I
S .2 2.6 2.6 2.8 1.7 .8 10.3 10.9
SSW ?.1 5.14 b.5 2.b 2.8 .2 19.2 13.2
SW .7 1.7 2.8 2.4 2.1 2.1 11.8 l3.1
WSW . .9 1.9 8.3 1.5 1.? 10.6 I.1
w .9 .7 2.4 1.1 2.1 .7 8.0 17.1
WNW I * 1.1 .9 2.8 3.1 .6 6.9 12.4
NMw .2 .6 .9 1.1 .9 3.7 12.3
NNW * .7 .9 .2 2.2 10.8
VARIABLE .2 .2 1.0
CAL" .# / / / / 2 !1
IOTALS 8.5 lb.F 28.S 27.6 12.1 9.3 .9 100.0 11.8
..........................................................................................................................
TOTAL NUMBER OF OPSERVATIONS: 536
m .... nm.m-'- mm,,,,u mmmmm lmm
GLOBAL CLIMATOLOGY BRANCH PERCENIAGE FREOUNCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERTKZE NL PERIOD OF RECORD: 77.0-B4,86MONTH: 0EC HOURS(Lsri: 1500-1700
I WINO SPEED IN KNOTS
DIRECTION I 1-3 4-6 7-10 11-16 17-21 22-?7 28-33 34-40 41-47 48-55 GE 56 TOTAL MEAN£OEGR'ESI I WIND
...... N...............;........;........;........;...... i.........................................................;........;......
Ii .9 I.? .7 .9 .z 4.0 7.5
NNE .9 .9 .7 2.6 4.7
NE .2 .7 .9 4.3
ENE .9 .7 .9 2.6 5.4
E .9 2.6 2.1 2.1 7.7 7.s
ESE .7 .9 1.9 .5 4.0 6.8
SE .2 .7 1.9 .7 .2 3.7 8.8
S5E 1.6 .7 .5 .2 3.0 8.2
S .7 1.9 1.2 4.2 .7 .7 9.3 11.4
SSW .7 1.6 3.7 6.5 3.3 .2 16.1 119.
SW .2 .7 1.9 3.3 2.8 .9 9.8 14.4
WSW 1.4 3.5 4.9 2.6 .7 .7 13.8 13.6
w .9 .9 2.6 2.8 1.6 1.9 .2 11.0 13.7
WNW .2 .5 .9 2.3 .7 4.7 12.2
N4 .5 , .2 1.9 .2 3.3 10.4
NNW 1.2 1.2 .2 .2 2.8 8.4
VARIABLE I .9 .9 1.3
CALM | III
TOTALS I 9.1 17.9 24.0 30.9 12.8 q.4 .9 100.0 10.9
TOTAL NUMBEP OF OBSERVATIONS: 429
-- aIlll i t i m i l lD mlDK
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFEAC FROR HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 77.79-86MONTH: DEC HOURSILSII: IRU-2000
WINO SPEED IN KNOTSDIRECTION J 1-3 N-6 7-10 11-16 17-21 22- 7 2a-33 34-40 41-47 48-55 GE 56 TOTAL MEAN(OEUR:E SI I W MIND" EN .2 .' 1.0 1.0 .2 WIN2.5 1C.3
NNE 1.0 119 3.6
NF 1.2 .6 .4 2.1 4.5
ENE .8 .2 .4 .2 1.6 6.6
E 1.6 1.4 3.5 1.6 .2 82 7.9
FSE .4 1 . 2 1.7 .6 .2 4.1 8.4
SE .4 .8 2.9 1.2 5.2 8.7
SSE .4 .2 1.2 1.7 .2 3.7 10.2
S .8 3.1 3.5 2.9 1.0 11.1 9.4
SSW .4 1.4 2.9 3.9 2.3 2.1 .2 13.2 13.8
SW .4 2.3 3.5 4.7 1.7 1.0 13.6 11.8
WSW .2 1.6 1.7 4.5 1.9 .6 .6 .6 11.7 14.9
W .6 .6 2.1 3. 3 1.4 1 . 9.3 13.6
WNW .5 .4 1.6 1. 7 .8 .2 5.4 11.2
NW .4 1.6 .6 .6 3.1 10.9
NNW .6 1.0 .6 2.1 8.3
TOTALS I 0.1 15.1 28.9 28.2 10.3 5.6 .6 .8 100.0 11.0
....... o. .. .. . .. .... , . ....* .. ,... . . . .. . . . .. . .............. ..... .... ................................... , , . , . . . . ° ° °.. . ,
TOTAL NUMBER OF OBSERVATIONS: sib
0,t.t
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO4 HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE NL PERIOD OF RECORD: 77,79-04,86MONTH: DEC HOURS(LS[|: 2100-2300
I WIND SPEED IN KNOTSDIRECTION I 1-3 4-6 7-10 11-16 1T-21 22-27 28-33 34-ND 41-47 48-S5 GE 56 TOTAL MEANIOEGREES1 I 2 WIND
N .2 1.1 .5 .7 .2 2.7 8.1
NNE .7 .5 .5 1.6 4.9
NE .5 .5 .2 3.3 4.4
ENE 1.1 1.1 .7 .5 3.4 5.7
E .9 .7 3.2 2.3 7.1 8.6
ESE .5 1.4 1.8 .5 4.1 7.0
SE .5 .7 1.6 1.1 3.9 8.4
SSE .7 1.4 1.1 2.1 .5 S.7 9.2
" S .2 1.6 3.8 2.7 2.1 .2 8.7
SSW .7 1.C 1.6 5.3 1.8 1.6 12.8 12.8
SW .5 2.7 4.1 5.3 1.6 .2 .5 14.9 i1.5
WSW .2 ,Y 3.7 4.1 .2 1.6 .7 .7 1l.7 15.2
w 1.4 1.8 1.8 2.3 .7 8.0 13.4
WNW .5 1.1 2.1 2.3 .9 .9 T.8 1.9
N ,5 . 1 .4 1.3 .2 3.7 9.6
NNW -.5 .2 .9 .2 1.8 6.5
............................................................................................................................................VARIABLE .5 .5 1.0
CALM /II/I/I iIUI/I/I hj/I j///0/ .5 Il//i/
TOTALS 8.5 17.2 27.0 30.0 9.6 5.5 1.1 .7 100.0 10.9
............................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 437
H
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF SURFACE WIND DIRECTION VERSUS WINO SPEEDUSAFEI AC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICEIMAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZEE NL PERIOD OF RECORD: 77-SbMONTH: DEC HOURSILSTI: ALL
WINo SPEED IN KNOTSDIRECTION I 1-3 4-6 7-10 11-16 17-21 22-27 28-33 34-0 43-NI 48-55 GE 56 1T14L MEAN(DEG6R-ES I 2 WIND
.........................................................................................................................................N *N .7 .7 .8 .2 2.8 8.8
NNE .5 • .6 .2 .1 .! 2.0 7.4
NE .4 .7 .5 .0 .0 1.7 5.7
ONE .5 .6 .8 .3 .0 2.3 6.7
E .9 1.6 3.2 1.8 .0 .0 7.0 7.8
ESE . 1. 1.7 .5 .1 3.9 7.3
SE .3 .9 1.7 1.2 .2 .3 8.9
SSE .2 .7 1.8 1.5 .5 4.3 10.1
S .8 2.2 2.5 2.9 I.8 .3 10.1 11.1
SSW .5 1.6 3.3 5.3 3.2 1.6 .1 .0 15.5 13.3SW .6 2.0 3.6 4.7 1.7 1.3 .1 13.6 11.9
" WSW .3 1.1 2.4 3.7 1.3 1.? .5 .3 10.8 38.8
W .5 .8 1.7 2.3 1.2 1.3 .5 8.8 lN.8
WNW .6 . 1.4 2.0 1.1 .8 6.3 11.8
NW .3 .7 1.2 .9 .5 .1 3.7 10.%
NNW .3 .7 .7 .6 .1 .3 2.4 8.
VARIABLE //.8 .0 .8 1.6
TOTALS I 8.1 16.8 27.3 28.2 11.7 6.1 1.2 .3 100.0 11.2
TOTAL NUMBER OF OBSERVATIONS: 3671
*f
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUINCY Or OCCURRENCE OF SURFACE wIND DIRECTION VERSUS WIND SPEEDUSAFETAC FRO" HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZE[ NL PE9100 OF RECORD: 77-B?MONTH: ALL HOURS(LSTI: ALL
I WINO SPEED IN KNOTSOIRECTION 1-3 4-6 ?-to 11-16 17-21 22-27 28-33 30-10 41-47 48-55 GE 56 TOTAL MEAN
0D GRlF ESI I WIND....................... . ... ....... 1:. ..... ... ..... ... ....... .......... .......... .......... ., ..o ... . ..N IN .8 I., 2.2 2.0 .8 .1 .0 1.0 9.2
NNE .6 1.2 1.2 .7 .1 .2 .0 3.8 7.7
NE .6 1.2 1.8 1.0 .2 .3 8.S A.3
ENE .7 1.2 1.7 1.% .4 .1 5.7 9.10E 1.1 1.9 2.1 1.8 * .1 .0 7.8 8.S
ESE .5 1.1 .9 .4 .1 .3 3.1 6.9
SE .5 1.1 1.1 .1 .1 .0 3.2 71
S5S .6 1.3 1.3 .6 .1 .0 3.9 7.3
S .9 2.3 2.2 1.5 .8 .1 .0 7.2 8.8
SSW .7 1.6 2.4 2.5 .9 .p .1 .0 0 8.5 10.9
sM .6 1.8 3.0 2.9 .9 .3 .1 .0 .0 9.7 10.6
WSW I .5 1.8 2.8 2.7 1.0 .7 .3 .1 .0 .0 9.0 IZ.5
A .7 1.8 3.3 3.1 1.2 .8 .3 .1 .0 .0 11.2 11.8
WNW .6 1.3 1.7 1.b .6 .3 .0 .0 .0 6.1 10.3
NW .5 .9 1.0 1.0 .3 .1 .0 .0 3.8 9.9
NNW .6 .9 1.4 1.0 .2 .1 .0 .0 9.2 8.8
............. ;........;.....................................................................................................,..TOTALS I 11.E 22.9 29.9 29.4 7.2 3.3 .8 .3 .0 .0 100.0 9.6
TOTAL NUMBER or OBSERVATIONS: 53936
* K
GLOBAL CL3MAIOLOGV BRANCH PE:FCINTAGE FREQUJ NCY OF OCCURRENCE OF SURFACE WINiD DIREACTION VERSUS WIND SPEEDUSAFLI AC FRO4 HOURLY OBSrRvAvioNsAIR W[ATHfR S[RVICE/MAC
STATION NUMBER- 0632503 STATION NAME: ZIFR3AZE: 4L PERI0D OF RECORD: 77-A?M0O9TH: ALL NOUSILSTY: ALL
CEILINGS ,orT 10 1400 FEET WITH VISIBILTIES 112 PILL UR "ORE
CEILINGS 2(,0 FEET OR MORE WI1TH VISIRILIIES 1/2 TO 7-1,2 MI1LES
MINO SPEED IN ANOTSDIRECTION 1 -3 A -6 7-1D Il-lb I17-21 22-?1 ZAJI3 34-90 4 t-% 7 96-55 GE $6 31361 MEANIDE GRr E S I I 111p0
KNE I .6 1. 1.3 .8 .1 .3 .0 4.0 7.6
NE 1 .7 1.3 1.9 1.3 .3 .1 S.? 8.4
IN 10 3.0 3 .3 2.9 3.4 .4 .1 6.5 8.7
L 1.8 3.9 3.1 1.8 .3 .3 10.6 7.4
ESE I .6 1.6 1.2 .3 .1 4.r 6. 3
SE I .6 1.6 1.2 .3 .1 .0 3.9 6.7
SSE 1 .0 I.g 1.9 .5 .1 .0 4.A 6.6
s 1.1 2.6A 2.5 1.5 .S .2 A.?7 A.3
SSW I .8 6 2.6 2.5 1.0 A8 .1 .0 .0 9.s 33.5
ShE .8 1.5 3.3 2.9 1.1 .5 .2 .r .0 30.0 11.2
WSW1 .E. 3..j 2.9 2.5 1.0 .6 .3 .1 .f .0 9.2 12.S
W .8 1.6 2.0 1.9 .5 . .1 . .0 6.5I 9.8
WNW~d .5 3. .8 .9 13 .2 .0 V0 3.3 8.2
NW .5 .6 .5 .94 .2 .3 .0 .0 2.3 3.6
NBA a . .7 .9 S5 .2 .3 .0 3.2 8.3
TOTALS 1 5.1 216. A 29.2 19.7 6.2 3.3 .9 .3 .0 .0 300.0 8.9
TOTAL NUMBER OF OBSERVATIONS: - 2318L 1
GLO3AL CLIMATOLOGY BRANCH PERCENTIGE FRN[UENCY OF OCCUR9ENCE OF CEILING VERSUS VISIBILITY
USAFEIAc FROM HOURLY ObSERVA7lONSAIR w(ATHt[R $(RVICE/MlAC
STATION NUMBER: 06325D STATION NAME: ZIt9IKZEE NL PEQIOO OF RECORD: 81-81MONTH: JAN HOURSILSTI: 0001-0200
CE ILING 9ISIRILIIT IN STATUTE MILLS
IN I GE GE G( GE GE G: GE GE GE GE rL GE GE GE GE GEFEES I 11 b 5 8 3 2 112 2 1 1/2 1 1/4 1 3/4 S/8 12 56/lb I/ 0
No CEIL I 16.6 26.6 Z .9 32.2 31.7 31.6 3S.0 35.9 35.9 36.3 36.3 36. 3 36.3 16.3 36.3 36.5
GE i00001 11.5 29.2 31.3 3%.b 36.1 37.6 38.2 39.1 39.1 39.5 39.5 39.5 39.5 39.5 39.5 39.7GE 38100 17.5 z9.4 32.S 38.8 36.9 31.8 38.9 39.3 39.3 39.7 39.7 39.7 39.7 19.7 39.7 80.0GE 160001 11.5 29.8 31.S 38.8 36.9 37.8 38.8 39.3 39.3 39.7 39.7 39.1 39.7 19.1 39.1 80.0GE 18o 17.S 29.8 31.S 38.8 36.9 37.8 3".8 39.3 39.3 39.1 39.7 39.7 39.7 39.7 39.7 80.0GE 12000i 17.S 29.6 31.1 35.0 37.) 38.0 38.7 39.5 39,5 80.0 41.0 80.0 80.0 80.0 83.0 80.2
br 10000 17.9 30.9 33.0 36.5 38.7 39.7 80.6 81.9 93.9 82.3 82.3 42.3 -2.3 82.3 42.3 Se .5GE 95001 18.1 31.5 33.1 37.4 39.5 80.6 81.7 83.0 83.0 83.8 83.9 83.8 83.8 83.8 3.8 83.6GE 80001 18.8 32.2 38.8 I8.8 80.6 81.1 82.8 88.1 95.1 96.0 86.0 #6.
0 86.0 86.0 86.0 86.2Gt 700 1 39.0 33.0 35.6 39.5 811,7 82.8 83.8 46,0 86.8 87.5 87.1 87.7 87.7 87.7 81.1 87.9GE 6C00 19.2 33.3 35.9 39.7 81.9 83.0 89.1 86.2 46.7 87.1 %7.9 87.9 87.9 87.9 87.9 8b.2
GE S^00J I0.1 35.6 39.3 88.1 86.2 87.3 88.8 50.5 S1.0 2.1 52.3 52.3 52.3 52.3 57.3 52.s(.E 8609 21.8 37.1 80.8 f5.8 87.9 89.0 50.1 52.3 62.7 %3.8 58. 68.0 58 .0 58.0 $6.0 58.2
GE %OUCI 23.8 81.5 85.8 51.2 53. 58.8 55.S 57.7 58.1 S9.2 69.9 S9.8 69.8 S9.8 59.8 59.bGE 3SO0 28.8 83.6 81.1 53.3 66.S 56.6 57.7 59.8 60.3 61.3 61.6 61.6 61.6 61.6 63.6 63.8GE 30009 25.9 87.5 6Z.3 58.1 60.1 61.3 62.8 66.0 65.1 66.5 66.1 66.7 66.7 6' .1 66.7 67.0
3 2SO01 27.0 S.3 66.1 60.9 63.3 68.8 6s.8 68.3 68.7 69.8 70.0 70.0 70.0 70.0 70.0 IU.2GE 2(001 27.8 51.6 56.8 62.9 65.7 66.7 68.0 70.8 71.9 73.0 73.7 73.2 73.2 73.2 73.2 73.8GE 18001 27.8 62.5 59.1 64.8 67.9 69.1 70.8 73.2 78.3 75.8 15.6 75.6 75.6 15.6 78.6 76.8bE 15001 27.8 68.0 60.3 67.2 70.8 71.9 73.2 76.6 l7.5 78.6 79.8 18.8 78.8 78.8 18.8 ?9.06.E 12U0 27.6 S.8 61.1 69.1 72.6 78.3 75.6 79.S 81.8 82.S 82.7 62.7 82.7 82.7 82.7 82.9
GE 10001 27.6 58.9 61.6 69.5 73.? 7.1 76.S 80.3 82.3 83.8 81.6 83.6 83.6 83.b 63.6 83.8GE 9001 27.6 58.9 61.6 70.2 78.1 75.6 77.3 81.8 83.8 89.9 8S.1 85.1 85.3 85.1 85.1 86.3GE t00l 27.6 65.1 62.0 70.b 78.6 76.2 78.8 82.7 85.5 86.3 &7.0 81.0 87.0 61.0 87.0 87.36E 7001 27.6 55.3 62.8 71.3 75.? 77.S 79.7 88.2 87.0 88.6 88.8 88.8 88.8 88.8 88.8 89.0GE 6U0l 27.6 55.3 62.8 71.3 ?5.2 77.5 80.1 85.3 86.3 89.8 9".1 90.6 90.5 90.5 90.5 90.7
GE 5009 27.6 55.3 62.8 71.3 76, 78.0 60.6 85.7 89.2 91.1 91.6 92.Z 92.2 92.2 97.2 92.86E 8009 27.6 55.3 62.8 71.3 75.2 78.0 80.6 86.2 89.8 92.2 92.7 93.3 93.7 93.7 93.7 98.0GE 3001 27.6 55.3 62.8 71.3 15.2 78.0 80.6 06.8 90.1 92.1 93.1 93.7 99.8 98.8 98.8 98.6GE 2001 27.6 55.3 62.8 71.3 75.2 78.0 80.6 86.6 90.s 93.S 98.0 99.6 95.1 96.1 96.3 96.8GE 2009 27.6 55.3 6Z.4 71.3 16.2 78.0 80.6 86.6 90.5 9..5 98.0 98.8 95.9 97.0 97.2 99.6
GE 09 27.6 55.3 62.8 71.3 15.2 76.0 80.b 66.b 90.5 93.s 98.0 98.8 95.9 97.0 97.2 100.0....... .... .. .. .. .. ... . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . ..............°.°....... . . e~ . .e.. ....
TOTAL NUMBER OF OBSERVATIONS: 863
46-
- IUnm•mnmnnnm n n m
GLOBAL CLIMATOLOGY BRANCH P(CENTAGE FR7GUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAF TAC FROM HOURLY OBSERVATIONS
AIR W(ATHER SERVICEI/AC
STATION NUMBERs 063250 ST ATION3 NAME: ZIERIKZE: NL PERIOo Or FECORO: 61-6S.B7MONTH: JAN HOURSILSI: o3Uo-0OSj
LEILING VISIBILITY IN STATUTE MILLS
IN I GE GE GE GE GE G- GE GE G( GE GE GE GLE GE GE I.FEET I 10 b 5 N 4 2 112 2 1 ifZ I 1/ 1 3t SIe 1l2 5/lb 1/ 0
. .°....'.°....°.....°......'.......°.................'......*................... ° ....... °...'.................
NO CElL I IS.] 28.2 Z9.9 j.7 36. J7.N j7.9 38.0 i8.7 39.2 19.0 39.6 39.9 39.9 39.9 40.1
GE 200UO1 15.9 3U.5 31.9 37.1 0. 3 i.8 0.8 N1. N2.1 12.6 %2.8 N3.1 93.3 93.1 93.3 93.5GE 181001 I5.9 30.8 32.1 317. 90.6 93.0 1.0 91.7 12.9 92.8 91.1 93.3 93.6 93.5 93.5 93.7GE lbr00 15.9 0.8 32.1 37.9 90.6 91.0 11.0 91.1 2.9 92.8 913.1 93.3 43.S 93.6 93.6 93.7GE 1400n1 15.9 30.8 32.1 37. 903. 91.0 93.0 i1.7 929 92.8 91.1 3.3 93.5 93.6 93. f3.1GE 12n0o1 IS.9 31.0 32.3 37.6 90.8 91.2 91.2 93.9 92.6 93.3 93.3 93.5 9$.1 93.7 93.Y 99.0
GE 100001 16.4 33.0 31.6 O0.1 %3.5 44.0 44.0 9N.6 96.6 46.0 94.' 96 . 96.7 b.7 46.7 %b.9
GE 9o00 36.9 33.1 3tN .9 9. 5 N9.0 99. .N 04.9 15. 3 46.z 96.7 96.9 97.2 Nl.9 41.9 N47.% 47.6
GE 80001 16.9 33.7 36S .6 3.2 9.6 96.3 9S.3 96.7 98.1 98.5 99.7 99.0 99.2 99.2 99.2 99.96EI 7301 36.9 33.9 556.8 91.5 9. 95.3 6.3 96.9 98.3 99.7 49.0 99.9 99.7 99.1 99.? 99.9bE 60001 16.9 34.9 36.2 43.9 1S.3 95.8 9S.8 97.6 99.0 99.9 9 9. 50. 3 01 60.3 67.3 0.6
GE 600| 17.5 31.1 39.6 96.3 98.7 99.2 992 53.3 62.6 53.1 63.3 63.8 S9.0 59.0 69.0 69.IE 96001 j8,0 38.3 90.8 96. 99.9 60. 60. 52.9 3.b 69.1 69.9 69.9 66.. 6.1 6.0 C1.9
3E 00 20.0 92.3 99,9 53,3 69.6 65.9 66.6 57.9 69.2 69.7 69.9 60.9 60.6 60.6 60.6 60.96F .00I1 21.0 99.6 91.9 5.0 67.6 58.1 58.8 61.0 62.9 62.9 6'.1 63.6 63.8 63.8 63.8 69.0.[ 300|01 2.3 99.9 52. 9.2 62.9 63.3 6.O0 66.3 6.9 68.6 69.8 69.2 69.5 69.5 69.5 69.7
GE 2-001 23.2 1.5 59.7 61.5 65.1 65.6 66.3 68.8 10.6 71.3 71.6 72.0 72.2 72.2 72.2 72.9GE Z(00 1 2-.9 53.6 56.9 69.0 67.9 68.3 69.0 11.5 13.3 71.0 79.3 79.7 79.9 74..9 19.9 75.2bE I ,P 21.9 S4.2 69.1 656 69.6 69.9 70.6 73.1 7.9 75.6 76.9 76.3 76.6 76.S 16.S 76.6
GE I U1 21.1 56.1 69.0 66.6 13.9 73.8 1Z. 76.9 77.2 11.9 719.1 78.6 78.8 76.8 7R.8 79.0
I.E l1001 29.1 565 63.9 68.8 72.9 79.6 76.6 78.8 80.9 81.8 62.0 82.5 82.7 92.7 82.7 82.9
,E 10001 2q.1 56.7 61.0 69.5 73.6 76. 9 16.8 80.0 82.0 P2.9 81.1 83.6 63.8 43.8 83.8 89.1
Gf 901 29.1 6.9 63.3 69.9 7, 76.1 77.9 80.6 82.7 93.8 89.3 89.6 89.7 89.7 A9.1 85.0GE 001 2 . b7. 6. 702. 16.5 77.9 83.3 83.9 9s.0 6 .% 86.9 86. 96.3 86.1 96.3
E 7001 29.1 57.2 63.6 70.8 7,9 1.7 79.3 83.1 6.9 07.0 87.7 9.2 68.9 R.9 8.9 P8.6GE f0r l9.1 67.9 63.7 73.1 76.6 78.9 80.2 85.0 87.2 88.8 89.7 90.9 90.7 90.7 90.7 90.9
G.E Su00 29.3 51.9 61,7 T.3 76.6 78.6 60.6 66.6 88.2 89.7 9n.9 91.6 91.8 91.8 91.8 92.0GE 9001 29.1 17.9 61.7 71.1 76.9 79.0 813 86.3 88.6 90.9 97.3 93.2 93.9 93.9 93.9 93.6G! 3001 24.3 67.9 61.7 73.1 75.9 79.0 63.5 86.6 89.3 91.3 97.7 99.3 99.S 99. 99. 99.8.. 2U01 29.1 57. 63.7 73.3 15.9 79.0 83.5 66.6 89.5 91.6 93.2 99.5 95.0 95.2 9S.2 96.1GE 1..01 2.1 S7.9 63.7 713.1 76.9 79.0 83.6 86.6 89.5 91.6 93.2 99.S 95.0 9S.9 96.9 99.5
IE nj 29.1 S7.9 611 73. 1S.9 79.0 83., 86.6 89. 91.6 93.2 9%.S 9S.0 9s.4 96.9 300.0
TOTAL NUMBER Of OBSERVAIIONS: 939
G.LOBAL CLIMATOLOGY RRANCH P(EIE4EAOE FR OQUEEECY Of OCCURDEAILf Or CfIINJ AfilSUS V15361t177USAFEI AC FROM 9400917 ObSLRVATIONSAIR WEAT7949 SFE4VIC(/1460
STATION NUH8LR: 063253 STI ON316 NAPIE 7I[6I67t1 41 9313300 3Or ECORO: 16.80-61"0N4394: JAN NOURSILS,33: 3-06('0DGV
CE I16 ISIPIL IT? Y Ift SIATUI F *04I3L S .IN GE (.E GE GF GE 6: GE GE G 61 (it f, 09 63 E .OF t
FEET I 3 6 ; z U~3 2 1132 1 1/4 1 1"4 , /a li2 %116 1/4 II
NO CEL 1 114.9 'S.4 I's.4 27.6 29.. 50. 1 30.3 10.9 1.1 12. 3 &1 .3 12?. 3 12.5 32 .5 311'. . li.9
6,E 200001 is I.3 ? 7. 4 1.6 10.5 32.S 33. 1 33.9 34.4 34.6 N5.6 IS .a '5.6 36.3 16.3 36.0 1 C. -CGE 1s0001 15. 3 21.4 21.6 30.5 32." 33.17 31.9 34.4 14.6 15.6 315.4 it 3%.6 36.0 16.0 36.0 '6.4(A 1bC00 I IS. 3 27.4 21.6 30.5 32.11 13.17 33.9 34.4 314.6 35.6 st5 .A Is .A 16.0 16.0 16.3 6 .4(.t I4nao IS 153 27 .41 ZI .6 30.5 j?.' 13. 7 33.9 34.4 34.6 15.6 15 Vk sr..a It b. 0 16.G 16.0 3b.4GE 120001 IS.13 21.b 211.1 31.1 S3.1 34.4 34.6 35.2 35 .4 36.6 S6.6 16.6 36.6 16.6 36.6 '. .
GI 100001 IS*.9 29.2 Z4 .4 33.1I 35.4 36.6 36.6 31.4 1.6 16.9 3K6.9 IA .9 19.1 39.1 39.1 !9.S(,E 9n(301 16.2 30.1 132.3 341.6 3.' 6S.4% 301.6 39. 3 39.1 41.1 %3. 3 431.3 41.5 N1.5 43.5 411.9C;f 6(1003 *6.6 12. 5 J1.5 37.2 39.5 it 10. 7 40.9 41.17 4#2.1 43.4 413.6 43.6 43.6 43.6 4 1.6 04..E 1000 I 6.4 IN . 9 33.9 311.0 40. 1 41.5S 41.9 42. 1 43.1 44.4 -44. b 44.6 44.6 44.6 144.8 4 5.
f.E 6000O1 11.0 33. 1 34 .1 361.2 40. 5 41.1 ? 42 .1 42. 9 14 3.2 4 4.6 44.41 44.6 45.0 45.0 45.0 '.4
G-E 000 I1: 376 IS. 36.:4 40 43. 44.2 44.6 45.4 415.8 41 4 1. 1.4 41:6 47.6 I:.6 4 1.9GE 4#*;00 8 A6. 36. 3a . 43. 46. b1. 49 46. 49. ~05 '11 S. 50.9 039 53. 51GE 40001 d10. 5 41.9 44.U 49.1 51.1 S2.6 S3.2 541.0 54.4 55.0 56.0 56.0 56.2 ';b.2 56.2 56 .6GE 35001 21. 3 44.6 46 .3 S3.4 56."1 ST1I 51.5 56. 3 56.1 60.1 6 . 3 60.1S 60.5 60.5 60.5 6L.96r 3ro00I 2Z. 7 46.1 6 2.4 51.1 60. 3 62.41 61.6 62.8 6.3.2 64 .6 64l.4 64.6 65.3 65.0 b65.0 b, .4
GE 25001 23.7 52.3 56.2 61.6 64.6 65.6 66.3 61.3 61.1 69.5 69.1 64.1 b9.9 69.4 69.9 10.14E 23001 24.3 54.0 51 .9 64.2 66.9 66a.5 66.9 70.5 73.0 72.6 71.0 73.0 13.2 13.2 11.2 1 3.6GE 14001 1%.17 56.4 60.3 66 .S 69.3 70. 713.6 13.2 13.6 15 .5 15.17 ? 1.1 15T.9 15.9 75.9 lb6.3GE 15001 24.1 51.9 62z.2 66 .9 11.91 13.6 714.6 11. 1 1?.? ?9.5 19.6 14.6 19.6 19.6 79.6 GL6E 12001 24.0 -4 .5 63.2 10.3 13.1 15.5 16.5 19.1 19.6 62.0 62.2 62.2 OZ.% 02.4 62.4 62.4
GE1 131001 2%.f) 58.9 64.0 13.0 14.2 16.5 11.5 60.0 60.& 63.0 63.4 63.4 63.6 63.6 63.6 64.0(IE 900 1 2S.1 56S.9 64.0 71 .% 15.3 ?7.13 16.3 611.2 62.2 64 .3 64.7 641.1 64.4 44.9 64.9 05. 1GIf sool 25.0 59.31 69.6 72 . 4 T59 re. 5 79.6 62.6 63.6 46.3 66.1 86.1 ? 6.9 46.9 66.9 61I. 3bE 100n 25. Sa 9. 65.l 4 13:. 11:.1 19. 6 60.6 64.5 65.S9 46. 69. 49.:0 69. 69. 69. 6,09.6
GE 6001 25.0 59.1? 65. 13. 11. 79. 63. 65.1 61.3 *. 93.6 a 6 92 932 3.2 13.b
bE ! Oo 25.31 59.7 65 .4 13.4 11. 3 60.2 62.6 66. 5 66.5 93.6 92.2 92.2 92.6 91.0 93.0 9 3 . 3GE 4001l 2 .0 n 9.7 65.4 13.4 1o7.' 4 0.2 62.6 66.S 69.0 92.8 91.S 91. 7 94.3 94. 7 941.1 9S.3GE 33301 25.0 59.1 65.4 73.4 17.3 60.2 62.6 66.7 69.? 93.0 91.9 9%.3 99.9 95.3 9%.3 9S.7AE -001 25.0 59.1 65 .4 73.4 71. 3 40.2 62.8 66.1 69.2 93.0 91.9 94.3 95.3 95.1 91;.1 96.9
GE 100)1 2ts.0 59 .1 65b. 4 73.% 71.1 60.2? 62.6 66. 7 69.2 93.0 93.9 44.3 95.1 916.3 96.5 94.6
GE at 2S.0 59.1 65.41 13.4 17. 3 60.2 a2.6 46.1 6 9.2 91.0 94.9 946.3 95.7 96.3 96.5 100.0
TOTAL. NUMBER OF I6(6705 1
63.0763 CLIHAIOLOGV BRANCH4 PE147 1571tf FR:QUI9CY Or OCCLJRPII4L Of CF11361 .76515 915381L337USAF I 7 aC FROM 140093. 08519taTOSAIR 016419 SER663CIPAC
STATI0N N131999: 065732 SA 1319 MkNAME : 27I R A 'l '4L "L POU 07 937090 : 76.'60-45.S8790679. JAN 340USI1Tl7: J91V1-33I.I
V*l I9 V5S" @I SL* I I' '' 0 S ITUII L'5I o it 61 5f 61 GE( I, r 1 G .te GE 6 r It Gr .1 6 (Ij u
11( I I3 6 5 3 12 2 1 112 13/9 1 -/" . /a 112 '/It 1/9
NO CEI11 15.5 711.9 23.6 2%.2, 2%." 1S.2 2S." .2.3 di.7 '6.b 2A.? .9.l 29.1 79.3 .9.3 V.
61 1U0003 17?.9 01 6. 1 24.31 I 3. 2 30.1 It. 2 33.9 1S. 3 33.9 39. 7 3.9 iI IS. 3 %S*5 S, S C, I.1 3&000l I31.0 26.7 Z9 .3 3S. 30.9 it 3.2 33.9 13. 3 33.9 39.7 1 39.9 'S.3 Ss.3I qs.s 3-.1 35.
LE IbroO I 37.9 28.1 29. 3 30 .2 so. 31. 2 31 .9 33. 3 13.9 14.71 1' q... 35. 35 3 IS".7 -1.1I 3con II 7. 6 .'6.9 29.1 30.9 I~ 31. 4 33. 3.6 33.S 319. 1 39.9 P 1113.5 35.s IS.71 51.1 'b.LG )o I200 137.9 '9.5 53 .1 31.0 31 .6 'RiO 321.2 lot.t o.1 3 % 3.S 3.7 1 6.2 16.? s8.9 36.9 'b.b
E. L UI 03.3 C0.71 33. 3 9.1 4.3 3i. 3 36.9 37.94 37.6 39.5 S 90. 3 9I.3 q. 1 9131.7 1 931.7? 91.9 431.9 4,.1"t 90001 20.1 39t.5 35.3 37.0 is .2 319. 3 39.7 93.7 9 2.b 93.9 %1 .6 A.9.0 %%..1 99.9 of9.. %t.sLf a83i0I . I. 1 5. 16t,. Z 3f.% 39. 90.9 93I. 3 93 .9 99%.2 95.0 4,.5 - 9It. 9 96.3 96.35 -t t8* 9.5LIE it13 21I I. I 3i. 7 36,.6 39 910.6 %3.5 91.9 9i. 2 915.0 4s.9 4f,.. 9 6.7 96.9 . I.a '.1 ft7I.3I6F 6CU001 23.3 1 76., it..6 39.0 90.7 9Il.71 92 .1 44-1 95.2 4b. I 9%h.5 96.9 %9I.3I .7I.3 94. 3 7 .5S
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AIR EATNER SERVICE/MAC
STATION NUMBER: 063250 %1ATIO NAME: ZILRINZEE NL PERIOD OF RECORD: 7880-87MONIt]: JAN HOURSILSTI: 1500-1700
oCEILING G GE G GE G G VISI8ILITV IN 5rirurf MILLS
GN GE GE GE GE GL GE GE GE GE GEFEE? 10 6 5 3 2 112 2 1 112 1 1 / 1 3,1 5 8 12 516 l I6 0
NO CEIL 11.8 16.8 17.9 19.5 20.6 20.8 21.2 3.0 a 2..9 25.2 25.2 25.2 25.2 25.2 25.2 25.2
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liii
GLOBAL CLIMATOLOGY ARANCH PERCENTAGE FREQUENCY Of OCCURRENCE oF CEILING VERSUS VISIILITYuSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICEIMAC
S1AION NUMBER: 063250 STATION NAME: ZIRIKZEi NL PERIOD OF RECORD: 78,80-B?MONTH: JAN HOURSILSTI: 1800-2300
CEILING VISIBILIFY IN STATUTE MILESIN GL GE GE GE GE EE GE GE GE GE GE GE GE GE GE bE
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G[ 0001 28.2 37.6 43.6 48.9 18.5 49.9 51.3 53.5 54.2 Ss.3 55.6 55.8 56.3 56.5 56.5 56.7
u[ 25001 26.2 42.8 46.0 50.6 54.5 56.1 57.6 59.7 60.4 61.5 61.9 62.2 62.7 62.9 62.9 63.1GE 2C00 26.8 83.9 47.8 52.9 57.2 58.8 60.4 62.7 63.5 64.5 8.9 65.2 65.8 66.0 66.0 66.1GE 18001 26.9 85.6 49.7 58.9 59.7 61.5 63.1 65.6 66.3 67.4 67.7 68.1 68.6 68.8 69.8 69.0GE 15001 27.1 47.2 51.5 57.0 62.7 64.7 66.3 69.2 69.9 71.1 71.7 72.0 72.5 72.7 72.? 72.9lE 1203I 28.0 *9.2 53.7 59.9 65.6 67.7 69.3 73.3 74.0 75.4 76.3 76.6 77.4 77.5 77.5 77.71
GE ln003 28.n 89.4 53.8 60.2 66.3 68.4 70.1 74.3 15.0 76.6 77.5 77.9 78.6 78.8 7q.8 79.0
6E 901 28.0 49.7 54.5 61.5 67.4 70.2 72.0 76.8 77.5 79.1 83.0 80.4 81.1 81.3 81.3 81.5
.. AD0 28.7 90.1 55.4 62.7 69.2 12.0 74.0 79.5 80.6 82.4 83.2 83.8 88.5 84.7 84.7 88.8G 7001 28.0 %0.3 55.6 63.6 70.6 73.8 75.8 83.6 82.7 88.8 85.7 96.5 87.2 87.3 87.3 87.5GE 6201 28.0 ;t.% 56.3 64.0 70.9 74.2 76.1 82.2 83.4 96.1 87.3 88.1 88.8 88.9 88.9 89.1
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GE 01 28.0 50.9 56 .3 64.3 12. 1 75.2 77.2 83.8 85.6 88.9 91.6 93.8 95.7 96.8 96.8 190.0
10TAL NUMBER OF OBSERVATIONS: 56i
GLOBAL CLIMAIOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY
J$AFE IC FROM HOU9LY OBSERVATIONSAIR WEATHER SERVICI/MAC
STATION NUMBER: 063250 STATION NAME: ZIERI8ZEr NL PEQIO OF RECORO: 78,81-87
MONTH: JAN #4OURSCLSTI: 2302-2300
CEILING VISIBILII Y IN STATUTE MILESIN I GE GE G E GE GE G- GE GE GE GE G.0 GE GE GE GE 6E
FEEr I Io 6 5 N 1 2 112 2 1 112 1 1/4 1 3/N 518 112 5/16 1/4 0
NO CEIL I 16.8 Z3.1 Z4.6 27.2 27.8 29.3 30.1 31.N 32.1 32.5 32.5 32.5 32.5 32.5 32.5 32.5
GE 200001 16.8 2%.C 25.9 29.3 29.9 31.8 32.5 33.8 38.6 35.0 3S.0 35.0 35.0 35.0 35.0 35.UGE 180001 16.8 28.8 z6.3 Z9.7 3D.8 32.3 33.5 34.8 35.5 36.1 36.1 36.1 36.1 36.1 36.1 36.1LE 160001 16.8 28.4 26.3 29.7 30.9 32.3 33.5 34.8 35.5 36.1 36.1 36.1 36.1 36.1 36.1 36.1GE 140001 16.8 24.8 26.3 29.7 30.R 32.3 33.5 38.8 35.5 36.1 36.1 36.1 36.1 36.1 36.1 36.11E 120O01 16. Z8.6 26.5 29.9 31.0 32.5 33.8 35-0 35.9 36.7 36.7 36.7 36.7 36.7 36.7 36.7
GE 100001 17.8 26.1 28.0 31.6 32.9 364. 35.7 36.9 37.8 38.9 31.9 38.9 38.9 T8.9 38.9 36.9GE 9C00 17.8 26.5 28.7 32.7 38.0 35.5 36.7 38.0 38.9 40.1 NO.3 90.3 N0.3 N0.3 40.3 40.3bE BE000 17.6 27.N 29.5 33.5 38.A 36.3 37.6 38.9 39.9 I .6 42.0 42.0 82.0 82.0 82.0 42.0bE 7rUOl 16.0 27.6 29.7 3N.2 35.% 36.9 38.2 39.5 60.6 62.5 N?.? 92.7 '2.7 82.7 N2.7 82.7GE 60001 18.0 27.8 Z9.9 38.4 5.7 37.2 38.8 39.7 80.8 82.7 82.9 82.9 82.9 92.9 92.9 92.9
GE 50001 18.9 29.1 31.8 36.9 38.4 39.9 41.2 92.9 83.9 85.9 96.1 46.1 86.1 '.6.1 '6.1 66.1bE 89001 19.5 30.8 33.1 38.4 39.9 81.8 82.7 48.8 45.9 87.3 4.7.6 91.6 67.6 417.6 87.6 97.6GE 2COOl 22.3 34.6 37.6 82.9 68.4 85.9 97.1 88.8 69.9 52.0 52.2 52.2 52.2 52.2 52.2 52.2bE 35001 24.0 38.2 81.8 87.6 89.3 90.7 52.0 53.7 S8.8 56.9 571 57.1 57.1 57.1 57.1 57.1,E 30001 26.3 83.1 47.1 S3.1 55.0 56.7 58.0 59.7 60.7 62.8 61 63.1 63.1 63.1 63.1 63.1
E0 Z,01 27.C 97.3 51.6 58.2 60.9 62.6 63.9 65.6 66.9 69.0 69.2 69.2 69.2 69.Z 69.2 69.Z
GE ZOO 27.0 48.6 5Z.9 60.1 62.p 68.5 65.8 67.7 69.0 71.1 71.3 71.3 71.3 71.3 71.3 71.3
bE 18001 27.0 89.3 53.5 60.9 63.9 65.6 66.9 68.8 70.1 72.2 72.8 72. 72.9 72.9 72.4 72.9LE IS001 27.0 S.5 55.6 63.7 66.9 68.8 70.1 72.0 73.5 75.6 75.8 75.8 75.8 75.8 75.8 75.8GE IooI 27.0 53.6 56.7 68.8 68.- 71.3 72.6 75.2 76.6 79.0 79.2 79.2 79.2 79. 2 79.2 79.2
GE 1i00 7.0 53.6 56.9 65.8 69.8 72.0 73.2 16.0 77.5 80.0 80.3 80.3 60.3 80.3 80.3 60.3GE 9002 27.0 51. 57.3 67.1 733 78.1 75.1 78.1 79.6 82.2 8.8 82.8 82.8 82.8 82.6 82.8.E 9001 27.0 52.0 57.7 67.7 72.r 78.7 76.0 79.2 80.7 83.q 86.1 t9.1 88.1 88.1 88.1 89.1GE 7001 27.0 "2.2 59.2 68.8 73.2 16.2 77.5 80.9 62.1 85.8 86.8 86.8 86.6 86.6 86.9 86.8GE 601 ZT.C 5.2 58.. 66.6 7.7 77.3 78.6 82.8 88.3 87.7 89.3 88.5 88.S 88.5 88.9 88.5
GE SOO 2T. 52.4 58.6 69.0 7. 78.1 79.6 84.5 86.8 91.7 92.6 92.8 93.0 93.0 93.0 93.0GE 0o 27.0 52.8 58.6 69.0 78.5 78.1 79.6 88.9 87.0 92.8 91.8 98.1 94.5 98.5 98.9 98.5GE 1002 27.0 92.8 58.6 69.0 78.5 78.1 19.6 85. 3 87.5 93.8 9S.| 95.3 96.0 96.0 96.0 96.0GE 2002 27.0 92.6 58.6 69.0 7.5 78.1 79.6 85.1 87.5 93.8 9".1 95.3 96.0 96.2 96.2 96.6GE 3002 27.0 52.8 58.6 69.0 78.5 78.1 79.6 65.] 87.5 93.8 9S.1 95.3 96.0 96.6 96.8 99.6
rE 02 27.0 52.8 58.6 69.U 74.5 78.1 79.6 85.1 87.5 93.8 9S.1 95.3 96.0 96.6 96.8 100.0
TOTAL NUMMER OF OBSERVATIONS: 811
' ..
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUE4CY OF OCCURRENCE OF CEILING VENSUS VISIBILITYUSAFET AC FROM HOUQLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 SIA7ION NAME: ZIERIKZEE NL PERIOD OF RECORD: 78.80-87MONTH: JAN HOURS(LSTI: ALL
...... ;....................................... I. . . . . . . . ...............::: : :: :: : :: :............................................
CEILING VISIBILITY IN STATUTE MILLSIN I GE GE GE GE GE G G E GE GE GE GE GE GE GE GE GE
FEET I 10 6 5 4 3 2 I2 2 1 1/2 1 1/4 1 /4 S3/8 112 5/16 1/4 0
NO CEIL 1 14.9 22.7 23.6 25.8 27.1 27.8 28.2 29.5 30.0 30.6 30.7 30.8 31.0 31.0 31.0 31.1
GE 200001 16.3 26.0 27.2 29.9 31.5 32.3 32.8 34.2 34.8 35.4 35.5 35.6 35.8 35.8 35.8 35.9bE 180001 16.3 26.1 27.3 30.0 31.7 32.6 33.1 39.5 35.1 35.8 35.8 36.0 36.1 36.1 36.1 36.3GE 160001 16.3 26.1 27.3 30.0 31.7 32.6 33.1 39.5 35.1 35.8 35.8 36.0 36.1 36.1 36.1 36.3GE 14000 1 16.3 2b.2 27. 30.1 31.9 32.6 33.2 34.6 35.2 35.9 35.9 16 1 36.2 6.2 36.2 36.9GE 120OO1 16.9 2b.5 27.a 30.7 32.9 33.3 33*9 35.3 35.9 36.6 36.7 36.8 37. 0 37. 37.0 37.2
GE 100001 18.0 29.3 33.8 33.9 35.9 36.9 37.5 39.0 39.7 9.4 40.5 40.7 4O.8 90.9 40.9 41.0GE 90001 18.2 29.9 31.5 34.9 36.8 37.9 38.6 90.2 90.9 9.1 :7 43 8 42.0 42.2 92.2 47. 2 92.4GE 80001 18.5 30.9 32.7 36.3 38.3 39.4 90.2 92.0 42.9 43.8 41.0 49.2 99.9 99.4 44.4 44.6GE 7n0 18.7 31. 3 33.1 36.9 38.9 90.0 90.7 92.6 43.5 99.5 44.7 44.9 95.1 95.2 45.2 55.3bE b100 18.8 31.6 33.5 37.3 39.3 9009 41.1 93.1 99.0 95.0 45.2 45.9 95.6 45.7 4.7 45.8
GE 5-001 19.5 33.5 35.7 39.8 42.0 93.2 4.0 96.0 97.0 48.0 48.3 48.5 48.7 98.7 48.7 46.9GE qsoo 20.7 35.0 37.4 91.6 43.9 95.2 96.0 98.0 99.0 50.0 5).3 50.5 50.7 50.7 50.7 50.9GE 9 001 21.9 38.4 92.1 95.8 98.7 99.6 50.9 52.5 53.5 59.6 59.9 55.1 55.3 55.3 55.3 55.5GE 35001 23.1 90.9 93.9 99.0 51.5 52.9 53.9 56.0 57.0 58.1 59.9 58.6 58.8 58.9 58.9 59.0GE 30OO1 29.9 49.8 98.1 53.9 56.0 57.5 58.5 60.8 61.9 63.0 63.3 63.5 63.7 63.8 63.8 63.9
GE 25001 26.2 98.0 51-5 57.2 60.1 61.8 62.8 65.2 66.9 67.5 67.9 68.1 68.9 68.9 69.4 68.6GE 2ro00 26.9 99.8 53.5 59,6 62.7 69.5 65.7 68.2 b9.5 70.6 71.0 71.2 71.4 71.5 71.5 71.6GE 19001 27.3 51.3 55.3 61.5 69.1 66.8 68.1 70.8 72.0 73.2 73.6 73.9 79.1 74.1 74.1 74.3GE 15001 27.8 53.1 57.4 69.0 67., 69.8 71.2 79.2 75.6 76.9 77.4 77.6 77.9 77.9 77.9 78.1GE 12001 29.1 59.2 58.6 65.6 69.5 72.0 73.5 76.9 78.6 80.1 81.6 81.0 81.2 81.3 81.3 91.9
GE 10001 28.2 S4.4 59.0 66.1 70.1 72.7 79.3 77.9 79.6 R1.1 81.9 82.2 82.9 82.5 82.6 82.7GE 9GO 1 28.2 59.6 59.? 66.8 7).9 73. 7 75.3 79.1 80.9 82.5 83. 3 43.7 83.9 8.0 89.0 84.26E 8001 28.2 59.9 59.7 67.5 71.7 79.6 76.9 80.6 82.6 89.9 85.3 85.7 86.0 86.0 86.1 86.2fE 7001 28.2 55.1 63.1 68.0 72.7 75.7 77.6 82.1 89.1 86.2 87.1 87.6 87.9 88.0 88.0 88.2LE 6CO1 29. 2 55.2 63.2 68.3 73.0 76.2 78.2 83.1 85.3 87.5 89.7 89.3 89.8 89.9 89.9 9U.1
6E 5001 28.2 S5.3 63.4 68.5 73.3 76,6 78.8 83.8 86.2 88.7 90.2 91.1 91.7 91.9 92.0 92.2GE 9001 28.2 55.3 63.5 68.5 73.5 76.8 79.0 89.1 86.6 89.6 91.3 92.9 93.3 99.0 99.1 99.3GE so0 28.2 55.3 63.5 68.6 73. 76.8 79.0 84.3 86.9 90.1 93.0 C3.3 99.5 95.2 95.3 95.6GE 2UO 1 29.2 55.3 63.5 68.6 73.5 76.8 79.0 89.9 87.0 90.2 92.3 93.6 95.1 96.2 96.9 97.3GE IO 28.2 55.3 60.5 68.6 73.; 76.8 79.0 84.9 87.0 90.2 9?.3 93.7 95.9 96.7 97.1 99.5
GE 01 28.2 55.3 63.5 68.6 73.5 76.8 79.0 89.9 87.0 90.2 92.3 93.7 95.4 96.7 97.1 100.0
TOTAL NUMRER OF OBSERVAIOS: 3937
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIRIKZEE NL FEPIOD or RECORD: 80-87MONTH: FEF HOURS(LSTI: 0000-0200
CEILING VISIBILITY IN STATUTE MILESIN I GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE
FELT I 10 6 5 4 1 2 1t2 2 1 1/2 1 1/4 1 3/4 5/8 1/2 9/16 I/4 0
'40 CELIL I 5.0 24.3 21.3 34.4 36.R 18.7 40.5 42.0 43.1 44.3 44.6 44.8 45.0 45.0 45.0 4b.0
GF 200001 5.6 25.7 33.7 35.9 39.1 41.3 43.1 45.0 46.2 47.4 47.7 47.9 48.1 48.3 48.3 49.3bE 18CO0 I S.6 25.9 33.9 3b.1 39.? 41.5 43.2 45.1 46.4 47.6 47.9 4a.1 48.3 4S.4 4.4 49.5GE 1600b0 5.6 75.9 33.9 36.1 39.2 41.5 43.2 45. 1 46.4 476 47.9 481 48.3 48.4 48.4 49.5GE 140001 5.6 25.9 33.9 36 . 1 39.? 41.5 43.2 45.1 46.4 47.b 47.9 48.1 48.3 48.4 4P.4 49.5GE 12000 S.6 25.9 33.9 36.1 39.2 41.5 43.2 45.1 46.4 47.6 47.9 48.1 48.3 48.4 48.4 49.5
GE 100001 S.7 27.3 32.5 38.5 41.7 44.1 45.8 47.7 49.0 50.3 50.7 50.9 51.0 51.2 51.2 52.3oE 900GI S9 77.6 32.8 38.9 42.4 44.8 46.5 48.4 49.7 51.0 51.4 51.6 S.? 51.9 51.9 53.0GE 80001 5.9 28.5 33.9 43-1 43.6 46.2 479 50.0 51.2 52.6 53.0 53.1 53.3 53.5 53.5 S4.5GE 70oo 5.9 29.2 34.7 41.0 44.4 47.0 48.8 50.9 52.1 53.5 53.9 90.0 54.2 54.3 54.3 55.4GE 6001 9.9 29.3 34.9 41.1 44.6 47.2 49.0 51.0 52.3 53-6 54.0 54.2 54.3 54.5 59.5 56.6
GE SOUI 6.4 30.b 36.3 42.7 46.2 48.8 50.5 53.1 54.3 55.9 56. 3 56.4 56.6 56.8 56.8 S7.8GE 4'C00 6.6 31.4 77. 3 43.9 47.4 50.0 51.7 54.3 55.6 57.1 57.5 57.6 57.6 58.0 58.0 59.0GE 40031 8.9 35.4 47.7 50.2 54.0 56.6 58.5 61.3 62.5 64.2 64.6 64.9 65.1 65.3 65.3 66.3GC 35001 9.0 36.6 44.1 52.6 56.8 59.4 61.3 64.2 65.5 67.2 67.5 67.9 68.1 68.2 69.2 69.3GE 3001 9.' 38.0 96.0 54.7 59.4 62.3 64.6 67.9 u9.1 70.8 71.2 71.5 71.7 71.9 71.9 72.9
GE 25001 9.9 78.7 46.7 55.4 60.6 63.5 65.8 69.1 10.3 72.0 72.4 72.7 72.9 73.1 73.1 74.1GE 20T 10.2 39.6 47.6 57.3 63.4 66.7 68.9 72.2 73.4 75.2 75.5 75.9 76.0 76.2 76.2 77.3G E I00 10.2 40.1 44.3 58.3 64.4 67.7 70.0 73. 4 74.7 76.4 76.7 77.1 77.3 77.4 77.4 78.5uE 15001 10.2 40.6 49.0 59.7 66.3 70.1 72.4 76.4 77.S 79.5 79.9 80.2 80.4 80.6 83.6 81.6
E 12005 10.6 41.5 53.2 61.1 68.6 72.4 74.7 79.3 81.1 82.8 83.Z 83.5 83.7 83.9 87.9 84.9
GE 10010 10.6 41.5 53.9 61.8 69.5 73.4 75.7 81.1 83.0 R4.7 95.1 85.4 85.6 45.8 85.8 56.8E q3oI 10.6 41.7 51.0 62.3 70.1 74.0 76.2 82.1 84.0 85.8 86.1 96.5 86.6 86.8 86.8 87.8
bE 8001 10.6 41 . 7 51.0 62.5 70.8 74.8 77.3 83.7 85.6 87.3 87.7 88.0 88.2 88.4 88.4 89.4' 7001 10.6 41.4 51.4 63.5 72.4 76.6 79.2 86.1 84.2 90.5 90.8 91.1 91.3 91.5 91.5 92.5GE 6001 10.6 43,B 51.6 63.7 72.7 77.1 79.7 86.8 88.9 S3.8 97.2 92.5 92.7 92.9 92.9 93.9
GE SUO|I n1.6 41.8 55.6 63.9 72.9 77.4 80.0 87.3 89.4 92.5 9.31 93.4 93.6 93.8 93.8 94.8GE 4005 10.6 41.8 51.6 64.1 73.1 77.6 80.2 87.5 89.6 93.1 97.6 94.3 94.3 94.4 94.4 95.SGE TOO 10.6 41.8 51.6 64.3 73.1 77.6 80.2 87.5 90.1 93.6 94.1 94.6 95.0 95.1 95.1 96.4
cU OO1 10.6 43.8 51.6 64.1 73.1 77.6 80.2 87.7 90.3 03.8 94.3 94.8 95.3 96.2 96.2 97.4
bE 1001 Ifl6 41.8 51.6 64.1 73.1 77.6 80.2 87.7 90.3 93.8 94.3 94.8 9S.3 96.2 96.2 99.0
GE 01 10.6 41.8 !3.6 64.1 73.1 77.6 80.2 87.7 90.3 93.8 94.3 94.8 95.3 96.2 96.2 30OO
TOTAL NUMBER OF OBSERVATIONS: 576
GLOBAL CLIMATOLOGY BRANCH PERCENTASE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY
USAFET AC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZILRIKZET NL PEPIOD OF RECORD: 78-BTMONTH: FEB HOURS(LSTI: 0300-0500
• o , .. . ... . ...... ......... ..... ..... ..... ,.............. ............. ,..,..,.
CE ILING ISIBILITY IN STATUTE MILESIN I GE G GE GE GE GT GE GE GE GE SE GE GE GE GE GE
FEET I 10 6 5 4 7 2 112 2 1 112 1 1/ 1 3/4 5/8 112 5/16 1/4 0.. . . . . . . . . . . . . . .................. ...... ... . . . . . . . . . .. . . . . . . . .....- .* .o. .... ... ....
NO CELIL 4 .5 20.5 25.3 31.9 34.2 36.5 38.7 42.0 43.4 43.9 44.1 44.3 44.4 45.0 45.0 46.0
GE 2COO0 4.9 21.0 25.9 32.6 35.4 37. 8 40.8 44.3 45.7 46.2 46.4 46.5 46.7 41.4 47.4 48.4GE 18000 1 4.9 21.0 25.9 32.6 35.4 37.8 40.8 44.3 45.7 46.2 46.4 46.5 46.7 47.4 47.4 48.4
GE 16000I 4.9 21.0 25.9 32.6 35.4 37.B 40.8 44.3 45.7 46.2 46.4 46.5 46.7 47.4 47.4 4B.4GE 14C00 4.9 21.0 25.9 32.6 35.4 37.8 40.8 44.3 45.7 46.2 46.4 46.5 46.7 47.4 47.4 48.4GE 120001 4.9 21.2 26.0 32.8 35.6 38.0 41.0 44.4 45.8 46.4 46.5 46.7 46.9 47.6 41.6 48.6
GE 10C001 5.6 24.1 29.3 36.3 39.1 41.5 44.4 48.1 49.5 50.0 50.2 50.3 50.5 51.2 51.Z 52.3GE 90001 5.7 24.5 29.7 36.6 39.5 42.0 45.0 48.6 50.0 50.5 50.7 50.9 51.0 51.7 51.7 52.8GE 81Oi 5.9 25.0 33.2 37.2 40.1 42.5 45.5 49.1 50.5 51.0 51.2 51.4 51.6 52.3 52.3 53.3
GE 70001 5.9 25.0 33.2 37.2 40.1 42.5 45.5 49.1 50.5 91.0 51.2 51.4 51.6 52.3 52.3 53.3GE 60001 5.9 25.0 33.2 37.2 40.1 42.5 45.5 49.1 50.5 51.0 51.2 51.4 51.6 52.3 52.3 53.3
GE 50001 6.3 25.7 31.1 39.4 42.4 45.0 47.9 51.6 53.0 53.6 53.8 54.0 54.2 54.9 54.9 %5.9GE 4,001 7.1 27.1 32.6 41.5 44.6 47.4 50.3 54.0 55.4 56.1 56.3 56.4 56.6 57.3 57.3 58.3GE 4o001 8.7 30.7 36.6 46.2 49.3 52.1 55.2 S8.9 60.2 60.9 61.1 61.3 61.5 62.2 62.2 63.2GE 35001 9.n 31.4 37.5 47.2 so.7 53.5 56.8 60.6 62.0 62.7 67.8 63.0 61.2 63.9 63.9 64.9fE 30001 9.2 33.7 39.8 51.2 55.0 58.0 61.3 65.3 66.7 67.4 67.5 67.7 67.9 68.6 6P.6 69.6
GE 26001 9.4 16.3 42.9 54.5 58.0 62.0 65.6 70.1 71.5 72.2 72.4 72.6 72.7 73.4 73.4 74.5GE 20001 9.5 31.0 43.8 55.7 60.2 63.5 67.4 71.9 73.3 74.0 74.1 74.3 74.5 75.2 75.2 76.2UE 18001 9.5 37.3 44.3 56.4 61.1 64.9 68.8 73.6 75.0 75.7 79.9 76.0 76.2 76.9 76.9 78.0GE 19001 9.5 37.7 45.0 57.8 62.7 67.4 71.2 76.0 77.4 78.1 78.3 74.5 78.6 79.3 79.3 80.4GE 12001 9.5 38.0 45.5 59.0 64.6 69.8 73.8 79.2 80.6 81.3 81.4 81.6 81.8 82.5 82.5 83.5
6E 10001 9.5 38.0 45.7 59.5 65.5 71.0 75.3 81.1 82.5 83.2 83.3 83.5 83.7 84.5 84.5 85.66E 90t1 9.5 38.2 45.8 59.9 66.3 71.9 76.2 82.1 83.5 44.2 84.4 84.5 84.7 85.6 85.6 86.6
GE AUDI 9.5 38.2 45.8 60.2 66.7 72.2 77.1 83.7 85.4 86.1 86.3 86.5 86.6 87.5 87.5 88.5GE 7001 9.5 38.5 46.2 61.1 67.9 73.3 78.3 85.b 87.3 88.2 88.4 88.5 88.7 89.6 89.6 90.6GE 6001 9.5 38.5 46.2 61.1 67.5 73.6 78.8 86.5 88.4 49.6 89.9 90.1 90.3 91.1 91.1 92.2
GE 9001 9.5 38.5 45.2 61.1 67.r 73.6 79.7 87.8 90.1 91.3 91.7 91.8 92.0 92.9 92.9 93.9GE 4001 9.5 38.5 46.2 61.1 67.5 73.6 79.7 87.8 90.1 91.5 97.4 92.5 92.7 93.6 93.6 94.6GE 3001 9.5 38.5 46.2 61.1 67.7 74.0 80.0 88.4 90.6 72.2 93.1 93.2 94.1 95.1 95.1 96.4GE 2001 9.5 38.5 46.2 61.1 67.7 74.0 80.0 88.4 90.6 92.4 93.2 93.4 94.3 95.7 96.0 97.2Gr 1001 9.5 38.S 46.2 61.1 67.7 74.0 80.0 88.4 90.6 92.4 9!.2 93.4 94.3 96.0 96.4 99.5
GE aI 9.5 38.5 45.2 61.1 67.7 74.0 80.0 88.4 90.6 42.4 93.2 93.4 94.3 96.0 96.4 100.0
TOAL NUMBER OF OBSERVATIONS 576
J
1*
2 GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY
uSAFETAC FROM HOUqLY OBSERVATIONSAIR WEATHER SERvICE/MAC
STATION NUMBER: 063250 SIAIION NAME: ZIERIKzE: NI PEPIOD OF RECORD: 78-87MONTH: FEB HOURSILSTI: 0600-0800
C . . . . . ..ILI. . . . . . . . . . . . . . . . . . . . . . . . . . .CEILING VISIBILITY IN SIATUIE "ILES
IN GE GE GE GE GE GE GE GE GE GE GE GE GE GE Gf GEFEET 1C 6 5 4 5 2 iV2 2 1 IV?2 1 1/N 1 3/N /8 1/2 5/16 1/ 0
NO CEIL 1 4.4 18.2 21.9 28.9 31.1 33.1 3N.7 37.3 39.0 N0.5 N0.8 41.1 41.1 41.5 41.5 N2.1
GE 200001 S.2 20.2 24.0 31.5 3N.4 36.3 37.9 N0.8 27 44.5 44.8 45.2 N5.2 4S.S NS.5 4b.1GE 180001 5.2 20.3 21.2 31.6 34.5 36.5 38.1 N1.0 82.9 4N.7 45.0 45.3 NS.3 45.6 5.6 Nb.3GE 160001 5.2 20.3 24.2 31.6 3N.5 36.5 38.1 1.0 82.9 4N.7 N4.0 N5.3 85.3 85.6 85.b N6.3GE 14COBI 5.2 20.S 281.4 31.8 34.7 36.6 38.2 41.1 43.1 44.8 45.2 4S.5 5.5 85.8 S.8 46.5GE 12C0DI 5.2 21.1 25.0 32.4 35.5 37.4 39.0 41.9 43.9 45.6 46.0 N6.3 46.3 86.6 86.6 47.3
GE 100001 5.5 22.7 26.8 38.8 37.6 39.7 41.3 44.5 46.6 N8.5 4R.9 49.2 N9.2 N9.5 49.5 50.2bE 90001 5.5 22.7 26.8 38.5 37.7 39.8 N1.5 NN.7 46.8 88.7 N9.0 49.4 N
9.4 N9.7 49.7 50.3
GE 800O1 4.6 23.2 27.4 35.2 38.4 40.5 42.1 4S.3 87.4 49.4 49.7 50.0 SO.0 50.3 50.3 51.0GE 70001 5.6 23.2 27.N 35.2 38.N NO.5 82.1 45.3 N7.N N9.4 49.7 50.0 50.0 50.3 50.3 51.0GE 6r00I S.6 23.2 27.4 3.2 38.4 40.5 42.1 45. 3 N7.N 89.8 89.7 SO.0 50.0 50.3 50.3 51.0
.E 50o00 5.8 24.0 28.9 36.8 80.3 1 2.N 84.0 N7.N N9.7 51.8 52.2 52.8 52.N 52.9 52.9 53.5Lt N5001 5.8 24.2 29.2 37.4 41.3 43.5 85.2 48.5 60.8 52.9 5.? 53.5 53.7
5N.2 5.2 S4.8
GE 40001 6.6 27.1 32.3 40.6 Ns.0 47.6 N9.N 53.1 55.5 57.6 58.1 S8.N 58.S 59.0 59.2 59.8GE 35001 7.6 29.0 38.8 82.9 87.3 N9.8 51.8 5S.6 58.1 60.2 60.8 61.1 61.3 61. bi .9 62.6GE 30001 8.5 31.0 36.9 NS.8 50.f 53. 8 55.5 59.8 61.8 63.9 68.5 68.8 65.0 65.5 65.6 66.3
b E 25001 8.7 '2.3 38.5 88.4 53.2 56.1 58.5 62.7 65.2 67.6 68.8 68.7 68.9 69.8 69.5 70.2G E 20001 8.9 33.5 83.2 S.5 56.- 59.7 62.6 67.1 69.5 71.9 72.7 73.1 73.2 73.7 73.9 78.5GE 1802 9.0 38.2 81.1 52.6 58.5 61.5 64.8 68.9 71.3 73.7 78.5 7N.8 75.0 75.5 75.6 76.3GE 15002 9.0 34.8 82.1 53.9 60.5 63.6 66.5 71.3 73.7 76.1 77.1 77.8 77.6 78.1 78.2 78.9GE 12001 9.2 35.5 42.7 55.0 62.1 65.8 68.7 73.7 76.3 78.7 79.8 80.2 80.3 80.8 61.0 81.6
GE 10001 9,2 35.5 8 .9 55.3 62.7 66.9 70.3 75.6 78.2 80.6 82.8 82.1 82.3 82.7 87.9 S3.5GE 9001 9.2 35.5 43.1 55.5 63.8 67.7 71.5 77.3 80.0 82.4 83.5 83.9 88.0 84.5 88.7 85.3GE 8002 9.2 35.5 43.1 55.6 63.7 ba.2 71.9 78.7 81.8 88.8 85.8 86.1 86.3 86.8 86.9 87.6GE 7002 9.2 35.6 43.5 56.1 64.4 68.9 72.6 80.0 83.N 86.0 87.8 By.? 87.9 88.8 88.5 89.2G f 001 9.2 35.6 83.5 56.1 64.4 68.9 72.6 80.2 83.5 86.3 87.9 88.2 88.8 88.9 89.2 89.8
6E s0u 9.2 35.6 43.5 56.1 6q.4 69.0 72.9 81.0 AN.4 87.8 89.2 89.5 89.T 90.2 90.5 q1.3GE 8002 9.2 35.6 83.6 56.1 68.5 69.8 73.2 81.5 88.8 86.5 91.0 91.6 91.9 92.8 92.7 93.5GE 3001 9.2 35.6 83.5 56.3 68.7 69.5 73.4 81.6 85.2 89.7 92.3 92.9 93.8 98.0 98.8 95.2GE 2001 9.2 35.6 83.5 56.3 68.7 69.5 73.8 81.6 85.2 89.7 92.3 9209 93-5 98.8 95.2 96.6GE 1002 9.2 35.6 83.5 56.3 68.7 69.5 73.8 81.6 85.2 89.7 92.3 92.9 93.5 95.Z 95.6 99.5
GE 01 9.2 35.6 83.S 56.3 68.7 69.5 73.4 81.6 85.2 89.7 92.3 92.9 93.5 95.2 95.6 100.0
TOTAL NUMBER OF OSERVATIONS: 620
ldo-
6LO1AL CLIMATOLOGY BRANCH PERCENTAGE rRQUENCY OF OCCURPENCE OF CEILING VERSUS VISIBILITYUSAFET AC FROM HOURLY O8SERVATIONSTAIq EATHER SERVICE/MAC
STATION NUMBLR: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORO: 78-87MONTH: FEP HOURSILSTI: 0900-1103
CE LlT 0 VISIBILITY IN STATUTE MILES
IN I GL GE SE GE GE Gr GE GE GE GE GE GE GE GE GE GEFEET | 10 5 4 3 2 112 2 1 112 1 1/4 1 3/4 5/8 112 5/16 1/4 0
NO CElL 5.1 14.1 18.8 23.2 26.q 29.1 29.9 33.2 33.7 34.5 35.2 35.2 35.2 35.2 3S.2 35.5
GE 20001:.:b.7 17.4 22.7 27.6 31.7 34.2 35.4 40.0 40.8 41.9 42.6 42.6 42.6 42.6 42.6 42.9GE 180001 6.7 17.4 22.1 27.6 31.7 34.2 35.4 40.0 40.8 41..9 42.6 42.6 42.6 42.6 42.6 42.9GE 16OU0I 6.7 17.4 22.7 27.6 31.7 34.2 35.4 40.0 40.8 41.9 42.6 42.6 42.6 42.b 42.6 42.9
GE 14000 6.7 17.4 22.7 27.6 31. 7 34.2 35.4 40.0 40.8 41.9 47.6 42.6 42.6 42.6 42.6 42.96E I00$ 6.9 17.8 23.J 28.0 32.1 34.5 35.7 40.5 41.3 42.6 43.3 43.3 43.3 43.3 43.3 43"6
GE ICOUO1 6.9 20.4 25.4 31.b 36., 38.7 39.8 44.6 45.6 47.2 4P.0 48.0 48.0 48.0 48.0 48.4GE 90001 6.9 20.7 26.2 31.9 36.5 39.3 40.6 45.6 46.5 48.2 40.0 49.0 49.0 49.0 49.0 49.3GE 80001 6.9 21.9 27.3 33.1 38.? 41.0 42.3 17.4 48.4 50.0 50.4 5. P 0.8 50.8 50.8 S0.8 51.2GE 700 6.9 22.0 21.5 33.6 38.5 41.4 42.8 47.9 48.8 50.7 51.5 51.5 51.5 51.5 51.5 51.8GE 6 00 6.9 22.0 27.5 33.6 38. 41.4 43.1 48.2 49.2 1i1.0 51.8 51.8 51.8 91.8 51.8 52.1
GE 5oo 6.9 22.4 25.0 34.5 39.6 42.8 44.4 49.8 50.8 52.6 S3.5 53.S 53.5 53.5 53.5 -3.8GE 45001 7.6 23.8 29.6 36.5 42. 45.4 47.0 52.5 53.5 55.6 56.7 56.7 56.9 56.9 56.9 57.2GE 40001 8.4 26.3 32.6 39.8 45.9 49.2 50.8 56.7 57.7 59.9 61.0 61.0 61.2 61.2 61.2 61.5GE 35001 9.2 28.3 34.7 41.9 48.2 51.5 53.1 59.4 60.4 62.5 63.7 63.7 63.8 63.8 63.8 64.1
GE 30001 10.0 29.9 36.5 43.9 51.2 54.6 56.7 63.5 64.5 66.6 67.8 67.8 67.9 67.9 67.9 68.3
GE 25001 10.5 30.9 37.7 45.6 53.1 56.6 58.7 65.6 66.6 68.8 69.9 70.1 70.2 70.2 70.2 70.6GE 20001 10.7 31.9 38.8 47.j 54.9 58.2 60.4 67.3 68.4 70.7 71.9 72.0 72.2 72.2 72.2 72.5GE 19001 11.3 32.6 39.6 48.2 55.9 59.4 61.5 68.8 70.2 72.9 76.2 74.3 74.5 74.5 74.5 74.8GE 15001 11.5 33.6 43.8 49.3 57.2 60.9 63.5 70.9 72.5 75.3 76.6 76.8 77.1 77.1 77.1 77.5GE 1200$ 11.7 34.0 41.4 SO.2 5.7 62.5 65.5 73.4 75.2 78.0 79.6 79.9 80.3 80.3 80.3 80.6
GE 100 11.7 34.0 41.4 50.2 58.4 62.7 65.8 73.8 75.7 78.5 80.4 80.8 81.1 81.1 61.1 81.4GE 9001 11.7 34.0 41.4 50.2 58.4 62.7 65.8 74.3 76.6 79.8 81.9 82.2 82.6 82.6 82.6 82.9GE 800$ 11.7 34.2 41.6 50.5 59.2 63.5 66.6 76.0 78.9 42.4 85.f 86.0 86.3 46.3 86.3 86.7GE 700$ 11.7 34.4 41.9 51.2 59.9 64.3 61.8 77.3 80.6 84.4 8'.5 88.S 88.8 88.8 84.8 89.1GE 600$ 11.7 34.5 42.1 51.3 60.0 64.5 67.9 77.6 80.9 84.7 84.0 89.0 89.3 89.3 89.3 89.6
(E SOOI 11.7 34.7 42.4 52.0 60.7 65.1 68.6 78.5 81.7 85.5 89.0 90.3 90.8 90.8 90.8 91.1GE 400$ 11.7 34.7 42.4 52.0 60.7 65.1 68.6 78.5 81.7 46.0 90.0 91.3 91.8 91.8 91.8 92.1GE 3 U0 11.7 34.7 42.4 52.0 60.7 65.1 68.6 78.5 81.7 86.8 91.0 92.6 93.3 93.4 93.4 93.8GE 2001 11.7 34.7 42.4 S2.0 60.7 65.1 68.6 78.5 81.7 46.8 91.0 92.6 93.4 94.6 94.7 96.9bE 100$ 11.7 34.7 42.4 52.0 60.7 65.1 68.6 78.6 81.9 47.0 91.1 92.8 93.6 94.7 9S.. 99.8
GE 0$ 11.7 34.1 42.4 52.0 60.7 65.1 68.6 78.6 81.9 87.0 91.1 92.8 93.6 94.7 95.2 100.0
IOTAL NUMBER OF OBSERVATIONS: 608
GLOBAL CLI14AOLOGY BRANCH PEkCENTAGE FREQUE4CY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOUQLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 StATI100 NAME: ZlIERIKZE- ML PEOIOD OF RECORD: 78-87MONTH: FEB HOURSfLST): 1200-1400
IN GE GE GE GE GE GE GE GE GE GE GE GE GE I.E GE GEFEET | 10 b 5 8 3 2 112 2 1 112 1 1/0 1 1/4 5/8 112 5/16 1/4 0
NO CEIL 1 7.9 17.b .2 26.6 30.3 31.2 32.1 3M.8 36.3 37.6 38.3 38.3 38.5 38.6 38.6 38.6
I.E 200U01 9.3 19.8 Z3.5 31.2 35.1 36.8 38.6 43.3 .1 . b.4M 47.1 47.1 47.4 47.6 47.6 41.66E IACOaI 9.3 19.8 23.5 31.4 35.4 37.1 38.9 43.6 45.4 46.7 47.4 47.4 47.8 47.9 47.9 47.9
GE 16!00 1 9.3 19.8 23.5 31.4 35.4 37.1 38.9 83.6 4S.8 46.7 47.4 47.4 87.8 47.9 47.9 M7.9
I.E ITMu0 9.3 19.8 23.5 31.4 35.8 37.1 38.9 43.6 45.4 M6.7 47.4 47.4 87.8 87.9 47.9 47.9
A..E 120 CCI 9.4 20.1 23.8 32.3 36.J 37.7 39.6 M.2 86.1 47.3 48.I 48.I N8.N 48.5 49.5 46.5
IbE 10000| I0.( 22.4 27.0 35.4 39.6 41.4 3.7 88.5 50.7 51.9 5Z.7 52.7 53.3 53.2 S3.2 53.2.iE 90001 10.2 22.7 27.4 35.7 39.9 o1.7 84.2 89.0 S|.2 5Z.4 53.2 53.2 55.5 53.6 53.6 53.6I.E BtU() 10.4 23.5 28.3 36.8 81.1 83.1 45.6 50.4 52.7 S3.9 S4.9 S4.9 55.2 55.3 55.3 55.3GE 7C001 10.' 23.6 29.6 37.2 41.6 83.6 86.1 50.9 53z S4.4 SS.3 55.3 55.6 55.8 55.8 55.8UE 6C00 10.7 28.1 28.9 37.6 42.0 44.0 86.5 S1.b 53.9 SS.3 56.3 56.3 Sb.6 %6.7 56.7 56.7
IE 5Po0 10.7 24.8 29.7 38.6 43.6 45.9 48.8 53.9 56.3 57.7 59.6 %9.6 58.9 59.0 59.0 59.0I.E 4S00I 11.3 26.3 31.7 41.3 46.4 48.7 51.6 56.9 59.4 60.9 61.8 62.1 62.8 62.6 62.6 6Z.6bE OU01 12.1 28.1 34.0 88.2 49.8 52.1 55.3 60.6 63.1 64.9 66.0 66.3 66.6 66.8 66.8 66.8I.E 3S0on 12.7 29.7 35.9 86.2 51.8 58.1 57.3 62.8 bS.2 67.1 68.2 8.5 68.8 68.9 68.9 60.9
IE 3OO1 13.4 31.8 38.3 48.7 54.6 57.2 60.8 65.8 68.5 73.3 71.4 71.7 72.2 72.3 72.3 72.3
I.E 25001 13.6 32.5 39.7 SO.4 56.4 59.2 62.8 68.3 70.9 73.1 74.3 it.7 75.1 75.3 75.3 75.3I.E 2C00 13.9 33.5 41.1 52.1 58.1 61.2 64.6 71.1 73.9 76.2 77.6 71.9 78.4 78.5 78.S 78.5
I.E 1P0O1 14.1 34.0 41.7 52.9 59.4 62.4 65.8 72.5 15.4 77.7 79.q 79.8 63.2 80.8 80.8 80.86E 1-001 14.2 34.2 4?.3 53.5 60.3 68.5 68.8 7S.8 78.7 81.0 82.7 83.0 83.5 83.6 63.6 83.b
IE 12(101 14.8 34.5 82.7 S3.9 60.7 65.5 70.0 76.6 80.2 82.S 84.4 84.7 85.2 85.3 85.3 85.3
I.E IC0O1 14.4 34.5 42.6 54.1 61.2 65.8 70.5 77.4 81.0 83.3 85.3 85.8 86.2 R6.4 86.4 86.4
.E 9001 1Q.4 34.8 43.3 58.b 61.8 66.5 71.1 78.7 82.2 880.7 86.9 87.3 87.8 87.9 87.9 87.9IE POOl1 1.4 34.9 43.6 54.9 62.6 67.2 71.9 79.6 83.6 86.8 88.7 89.5 90.1 90.3 90.3 90.3I. 7oI1 l. 4 35.1 43.7 55.0 62.9 67.5 72.2 80.2 84.4 87.3 9j.0 90.7 91.5 91.7 91.7 91.7GE 601 18.4 35.1 43.7 55.2 63.1 67.7 72.3 80.5 84.9 R.! 90.7 91.5 92.3 92.8 92.4 92.8
GE 001 14.8 35.1 83.7 55.z 63.3 67.7 72.3 80.5 84.9 08.M 92.0 92.9 93.8 94.3 94.3 94.3bE 401 18.8 35.1 43.7 SS.2 63.1 67.7 72.3 80.5 84.9 88.9 92.9 93.8 95.1 95.7 95.8 95.8IE '001 14.4 35.1 43.7 55.Z 63.1 67.7 72.3 80.5 84.9 89.0 93.2 98.4 95.8 96.8 96.9 96.9GE 2001 18.4 35.1 43.7 55.2 63.1 67. 7 72.3 80.5 84.9 89.0 91.8 98.6 96.0 97.7 98.3 98.3
GE 100 14.8 35.1 43.7 55.2 63.1 67.7 72.3 80.5 85.0 89.3 93.7 98.9 96.3 98.0 98.6 100.0
IE 0 14.8 35.1 43.7 55.2 63.1 67.7 72.3 80.5 8S.0 .89.3 93.7 98.9 96.3 98.0 98.6 100.0
TOTAL NUMBER OF OBSERVATIONS: 647
GLOBAL CLIMATOLOGY BRANCH PEfCENTAGE FREQUENCY Of OCCURRENCE OF CEILING VERSUS VISIBILITY
USAF E7 AC FROM HOUL ObSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIIRIXZEE NL PERIOD OF RECORD: 78,8r-87MONTH: FEB HOURS(LSTI: 1500-1703;c l l ...................................................................... E. ....... . .... .. .. ..... .....
CEILING VISIBILITY IN STATUTE MILESIN GE GE GE GE GE G- GE GE GE GE GE GE GE GE GE GE
FEETCC 10 6 5 4 2 112 2 1 112 1 1/4 1 3/4 5/8 112 5/16 1/4 0•,... . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . ............................' o .o .. ~ o . ~ t... . . e ~. ...o .. .. .. ..
NO CEIL 1 6.9 IS.R 17.8 23.2 26.7 28.6 29.3 32.7 33.7 35.5 36.0 36.2 36.2 36.2 36.2 36.2
GE 20000 8.6 20.6 22.9 30.4 34.5 38. 2 38.8 443.3 444 46.5 47.0 47.2 47.2 47.2 47.2 47.4GE 180001 8.6 20.6 22.9 30.4 34.5 38. 2 38.8 43.4 44.6 6.7 47.2 47.4 47.4 47.4 44 47.5GE 161001 8.6 20.6 22.9 30.4 34.5 38.2 38.8 43. N 44.6 46.7 47.2 47.4 47.4 47.4 47.4 4 75GE 14000 V.6 20.6 22.9 30.4 3.5 36.2 38.V 43.44 :4 .6 6.7 47 : 2 7 .:47.4 7.4 47.4 47.5GE 12000 V.6 20.7 23.0 30.6 3N7 38.3 39.0 43.6 4.7 46.9 47.4 75 47.5 47.5 47. 47.7
GE 100001 9.4 23.0 25.5 33.4 37.7 413 N2.3 4472 NB.A 51.2 51.6 51.8 51.8 51.8 51.8 52.0,E 9coO 9.4 23.0 25.7 33.7 38.3 41.8 42.8 .7.9 49.5 51.b 52.5 52.6 52 6 52.6 52.6 52.8
GE 8000 9.5 23.2 26.0 34.2 3C.8 42.6 43.6 48.8 51.0 S3.3 53.9 54.1 54.1 54.1 54.1 544.3GE 7000: 9.5 23.2 26.2 344.5 39.1 43.1 444. 993 51.5 53.8 5444 544.6 54.6 54.6 54.6 5 4.GE 6000 9.5 23.2 26.3 34.9 39.5 434 4 .4 49.7 52.0 54.4 5.1 55.3 55.3 r5.3 55. 3 554
GE 50001 10.2 24.2 27.6 37.0 41.6 45.6 46.5 51.8 54.1 56.6 57.2 57.6 57.6 S7.6 57.6 57.7GE 450o 10.4 26.0 29.8 39.1 43.9 48.0 49.2 54.6 56.9 59.4 60.2 60.5 60.5 60.5 b0.5 60.7GE 40001 10.5 28.0 32.2 41.9 46.7 50.8 52.0 57.6 59.9 62.3 63.2 63.5 63.7 63.7 63.7 63.8GE 35001 11.2 29.6 34.0 44.4 49.2 53.3 54.4 60.0 62.5 65.0 65.8 66.1 66.3 66.3 66.3 66.4GE 30001 12.5 31.7 37.0 41.7 53.1 57.6 58.7 644.3 66.9 69.6 70.4 70.7 71.1 71.1 71.1 71.2
GE 25001 17.0 32.9 38.8 49.7 55.3 59.7 60.9 66.8 69.4 72.0 72.9 73.2 73.5 73.5 73.5 73.7GE 20001 13.7 34.4 4.6 52.0 57.6 62.3 63.5 69.9 72.7 75.7 76.5 76.8 77.1 77.5 77.5 77.6GE 18001 13.8 344.7 41. 52.6 58.94 63.2 64.5 71.4 144.2 77.1 7R. 0 78.5 78.8 79.1 79.1 79.3bF 15001 14.1 36.2 42.9 55.1 60.9 66.3 67.8 74.8 77.6 80.6 81.6 82.2 82.6 82.9 82.9 63.1GE 12001 144.3 36.5 444.1 56.7 63.0 68.4 70.1 77.6 80.4 3.4 89.4 85.0 85.4 5.7 85.7 85.9
G.E IC001 14.3 36.7 44.2 57.1 63.5 68.9 70.7 78.5 81.3 R4.5 86.0 86.7 87.0 87.3 87.3 87.5GE 9001 14.3 36.7 444.2 57.1 63.5 68.9 71.1 78.9 81.9 85.4 86. 87.5 87.8 88.2 88.2 88.3GE A001 144.3 36.7 44.4 57.6 64.5 70.1 72.2 81.1 84.2 A7.8 89.5 90.5 90.8 91.1 91.1 91.3GE 7001 144.3 36.8 44.9 58.2 65.1 70.7 72.9 82.2 85.5 19.5 91.3 92.3 92.6 92.9 92.9 93.1GE 6001 14.3 36.8 45.1 58.4 65.5 71.1 73.2 82.9 86.3 90.6 92.9 93.9 94.4 95.1 95.1 95.2
IE 5009 14.3 36.8 45.2 58.b 65.6 71.2 73.5 83.6 87. 0 91.4 93.9 94.9 95.4 96.1 96.1 96.2GE 4400 14.3 36.8 45.2 58.6 65.6 71.2 73.5 83.6 87.0 91.4 94.2 95.2 95.9 96.9 96.9 97.0GE 3001 14.3 36.8 45.2 58.6 65.6 71.2 73.5 83.6 87.0 91.8 94.9 96.5 97.4 98.4 9.4 98.5GE 2001 14.3 36.8 45.2 58.6 65.f 71.2 73.5 83.6 87.0 91.8 95.2 96.9 97.7 99.0 99.0 99.2GE 100 14.3 36.8 45.2 58.6 65.6 71.2 13.5 83.6 87.2 91.9 95.4 97.0 97.9 99.2 99.2 99.7
GE 01 14.3 36.8 45.2 58.b 65.6 71.2 73.5 83.6 87.2 91.9 95.4 97.0 97.9 99.2 99.2 100.0TOTA.NUBE..O.FTSERVAYIONS: 6UV...°...o.... ....... ...
TOTAL NUMBER OF OB5ERVAIIo 5: hUS
GLOBAL CLIMATOLOGY BRANCH PE9CENIAGE FR UUENCY OF OCCURRENCE OF CEILINb VFRSUS VISIBILITY
USAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATICN NUMBER: 063253 STAT ION NAME: ZIERIKZEU NL PEDIOD OF RECORD: 78-87
MONT1: FEE HOURSILSTI: 1800-2300
CEILING VISIBILItY IN STATUTE MILESIN I GE GE GE GE GE Gi GE GE GE GE GE GE GE GE GE GE
FEET I 10 6 5 9 2 1,2 2 1 112 1 1,4 1 3/4 5/8 112 5/16 1/4 0
NO CEIL I 6.7 18.0 21.2 26.0 28. 29.6 30.7 39.1 35.8 36.5 37.3 37.7 37.7 37.7 37.7 38.1
GE 2UCOO1 9.0 22.1 25.7 32.1 35.b 37.1 38.1 42.0 43.7 44.4 45.5 46.0 46.0 96.0 46.0 4b.3GE 180001 9.0 22.1 25.7 32.1 33.q 37.1 38.1 92.0 43.7 44.9 93.5 9b.0 96.0 96.0 96.0 96.3GE 16000 9.0 22.1 25.7 32.1 35.- 37.1 38.1 42.0 93.7 99.4 45.5 96.0 96.0 96.0 96.0 96.3
GE 140001 9.0 22.1 25.7 32.1 35.P 37.1 38.1 42.0 43.7 49. 45 .5 46.0 96.0 46.0 96.0 96.3
bE 120001 9.1 22.2 26.0 32.9 36.1 37. 9 38.9 42.3 4.0 99.7 4 .8 46.3 96.3 96.3 96.3 46.6
UE 100001 10.0 25.9 30.3 36.7 90.8 92.2 93.1 97.3 49.3 50.1 51.1 51.6 51.6 51.6 51.6 51.9
GE 90001 10.7 26.5 31.1 38.1 42.3 93.7 94.6 48.9 50.8 S1.6 52.8 53.3 53.3 53.3 53.3 53.6GE 8E001 10.7 27.1 32.4 39.7 44.0 95.7 96.6 51.0 53.0 53.7 5.3 55.7 55.7 55.7 55.7 56.0GE 70001 10.8 27.2 3?.7 90.3 49.6 46.3 97.2 51.6 53.7 59.5 56.0 56.5 56.5 S6.5 56.5 56.8GE bO01 10.4 27.2 32.9 40.5 44.7 96.6 97.5 51.9 54.2 54.9 56.5 56.9 56.9 56.9 56.9 57.2
GE 50001 11.4 28.5 34.1 91.7 96.' 47.8 48.7 53.6 55.9 56.6 59.1 58.8 58.8 58.8 58.8 59.1
GE 95001 12.0 29.5 35.2 42.9 47.2 99.0 50.1 55.1 57.9 S8.1 SQ.7 60.3 60.3 60.3 60.3 60.6GE 4001 12. 31.1 37.0 45.2 49.b 31.6 52.7 57.8 60.1 61.0 67.6 63.2 63.2 63.2 63.2 63.5|E 35001 12.5 31.7 37.7 46.7 51.1 33.1 54.3 59.7 61.9 62.9 64.9 65.0 65.0 65.0 6!.0 65.3GE 3001 13.5 33.8 93.2 S0.1 55.9 57.9 58.6 63.9 b6.9 67.6 69.1 69.7 69.7 69.7 69.7 70.0
GE 25001 13.5 33.0 91.9 52.1 58.9 60.7 61.9 67.9 70.0 71.9 73.1 73.7 73.7 73.7 73.7 7.0GE 20001 13.9 35.8 93.1 59.3 61.2 63.6 69.8 70.6 13.2 79.7 76.6 77.2 77.2 77.3 77.3 77.6GE 18001 11.0 36.2 93.7 55.1 62.3 65.0 66.2 12.3 75.0 76.6 7q.9 79.0 79.0 79.1 79.1 79.5,E 15001 19.5 37.3 49.9 57.9 65.4 68.8 70.2 76.9 79.6 81.1 83.7 84.0 89.0 89.3 84.3 84.6
bE 1260 1 14.5 37.9 95.5 38.1 66.7 70.5 71.8 78.8 81.9 R3.7 85.P 86.6 86.6 86.9 86.9 87.2
UE 10001 14.5 38.1 95.8 58.8 67. 71.9 72.8 79.9 83.1 89.9 87.2 88.0 88.0 89.3 88.3 88.6GE 9001 14.5 38.1 95.8 58.9 67.7 71.6 73.4 80.8 89.3 A86.8 89.7P 89.8 89.8 90.1 90.1 90.9GE R001 14.5 38.2 96.1 59.5 68.5 72.6 79.1 81.7 85.5 P8.4 97.7 91.5 91.5 91.8 91.8 92.1GE 7001 19.3 38.9 96.3 S9.7 68.6 72.8 74.3 82.0 86.0 88.9 91.1 92.1 92.9 92.7 92.7 93.0GE 6001 14.5 38.4 96.! 39.7 68.6 72.8 79.3 82.2 86.8 99.8 97.5 93.6 93.9 94.2 94.2 94.5
GE 00 39.3 38.9 45.3 59.7 68.6 72.8 79.3 82.2 87.2 90.6 93.6 95.0 95.9 95.9 9s.9 96.2GE 4001 14.5 38.4 46.3 S9.7 68.6 72.8 79.3 82.2 87.2 90.7 93.8 95.1 95.6 96.0 96.0 96.3GE 3001 19.5 38.9 46.3 59.7 68.3 72.8 74.3 82.2 87.4 91.2 99.4 96.2 96.8 97.9 97.9 97.7GE ?JOI 19.5 38.9 Qb.3 39.7 68.6 72.6 79.3 82.2 87.4 91.3 94.7 96.7 97.3 98.5 98.5 98.9GE 1OOl 14.5 38.9 96 .3 59.7 68.6 1 . 8 79.3 82.3 87.7 91.6 95.0 97.0 97.6 98.8 98.8 99.5
GE 01 in.5 38.4 96.3 59.7 68.6 72.8 74.3 42.3 87.7 91.6 b 5.0 97.0 97.6 98.8 98.8 100.0
TOTAL NUMBER OF OBSERVATIONS: 657
GLOBAL CLIMATOLOGY BRANCH PENCENTAGE FREQUENCY OF OCCURPENCE OF CEILING VFkSUS VIS181I|TYUSAFETAC FROM HOUL OBSERVATIONS
AIR hEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIFRIKE7 NL P[1OD OF RECORD: 74180-879tGTH: FEB OURSILl1|: 2]100-2300
CEILING VISIBILITY IN STATUTE MILESIN GE E GE GE GE Gr G1 GE GE GE r1E GE GE GE GE GE
FELT 10 6 5 4 . 2 102 2 1 1/2 1 1/4 1 3/4 5/8 112 1/16 1/4 0
NO CEILI 4.8 23.6 27.9 33.6 36.2 3.3 39.3 41.8 42.6 43.3 43.3 43.3 43.5 43.8 43.8 44.6
4E zOODoo 5.5 26.j 33.6 37.5 40.2 92.5 43.5 46.3 47.3 47.9 47.9 47.9 48.1 48.6 48.6 49.4GE 18 009 , Zb D 33-b 37.5 40.2 42.5 43.5 46.3 47.3 47,9 47.9 47.9 44.1 48.b 4A.6 49.4L 160009 5.5 26.0 33.6 37.5 40.? 42.5 43.5 46.3 47.3 47.9 47.9 47.9 48.1 48.6 48.6 49.4
GE 140001 5.5 26.U 3.6 37.5 40.2 42.5 43.5 46.3 47.3 47.9 47.9 47.9 48.1 48.b 4R.6 49.4uE 120009 5.5 26.1 3: .9 37.9 40.5 42.8 43.8 46.6 47.6 48.3 4q.3 43.3 48.4 48.9 4q.9 49.8
GE 1000 5.8 27.3 32.2 39.8 42.5 44.8 45.8 49.3 50.2 51.1 51.1 91.1 51.2 91.7 51.7 52.6GE 9nf00 6.0 27.4 32.b 43.5 43.3 46.0 46.9 50.4 53.4 52.2 5?.2 S2.2 52.4 52.9 5.9 53.7GE Spo01 6.1 27.9 33.6 4317 44 . ; 7.3 48.3 51.7 52.9 53.9 5.9 50.9 54.0 94.5 54.5 55.4
GE 70001 6.1 27.9 33.7 42.1 45.U 47.8 48.8 52.2 53.4 '94.4 54.4 54.4 54.5 55.0 5.0 95.9
.E 6'001 6.1 27.9 33.7 42.3 45.1 47.9 48.9 52.6 53.7 54.7 54. 54.17 54.9 S5.4 55.4 56.?
GE 5010 6.6 29.9 35.9 44.8 47.6 S0.7 51.7 55.9 52.0 58. 5R9.0 58.0 58.2 8.7 5R.7 59.SGE 45001 6.8 20.6 35.5 45.8 48.6 51.7 52.7 56.9 58.0 59.0 59.0 59.0 59.2 -9.7 59.7 60.5,E 40001 7.4 33.2 39.5 49.1 52.1 55.5 56.5 60.8 62.1 63.1 63.1 63.1 63.3 63.8 6X.8 64.6E 3500 l.8 34.4 43.8 50.9 54.3 97.5 58.5 62.8 64.1 65.1 61. 65.1 65.3 65.8 69.8 66.6
bE 313001 7.9 35.7 42.8 53.7 57.4 60.8 61.8 66.6 67.9 68.9 60.9 68.9 69.1 69.6 60.6 70.4
GE 25001 8.3 51.2 94.3 55.4 59.q 53.6 65.1 69.9 71.2 72.2 72.2 72.2 72.4 72.9 72.9 73.7GE 20001 8.4 38.5 46.0 57.7 62.1 66.8 68.1 73.1 74.4 75.4 75.4 75.4 75.5 76.0 76.0 76.9GE 1801 R.6 39.0 46.6 59.7 64.7 66.9 70.2 75.9 77.2 78.2 74.2 78.2 78.3 78.8 78.8 79.7LE 15001 q.8 40.0 47.6 62.0 67. 71.7 73.1 78.8 80.2 81.2 81.2 P1.2 81.3 41.8 81.8 42.6GE 12601 8.9 41.0 48.8 63.6 69. 1 74.7 76.0 62.1 83.5 84.6 84 .8 44.8 85.0 85.5 81.5 86.3
GE 20001 8.9 41.3 49.2 64.3 70.1 76.0 77.4 84.0 85.3 86.8 a6.9 46.9 87.1 87.6 87.6 88.4
GE 9001 8.9 41.3 49.1 64.3 70.2 76.7 78.0 85. 1 86.4 87.9 84.1 88.1 88.3 98.8 88.8 89.6L.E 8009 8.9 41.3 99.2 64.5 70.6 77.2 78.5 85.6 87.4 89.1 8).4 89.4 89.6 90.1 90.1 90.9bE 7O9 8.9 41.3 49.1 64.5 70.1 77.4 78.7 86.0 87.9 89.6 84.9 89.9 90.2 90.7 9o.7 91.6GE 6001 8.9 41.3 49.1 64.5 70.6 77.4 78.7 86.4 89.8 91.6 91.9 91.9 92.2 92.7 92.7 93.6
GE 500 8.9 41.3 49.3 64.8 71.1 71.9 79.2 87.8 91.4 93.7 94.0 94.0 94.4 9S.0
95.0 95.9GE 4U0 8.9 41.3 49.3 64.8 11.1 17.9 79.2 87.8 91.6 94.0 94.5 94.7 95.0 95.9 99.9 96.7
GE 300 8.9 41.3 49.3 64.8 71.2 78.0 79.7 88.4 92.2 99.9 95.4 99.5 95.9 96.9 96.9 97.7GE 200 8.9 91.3 49.3 64.8 71.2 7b 0 79.7 88.9 92.2 99.9 95.5 95.9 96.7 97.9 98.2 99.2GE 109 8.9 41.3 49.3 64.8 71.7 78.0 79.7 88.4 92.2 4.9 9%.5 96.0 96.9 98.0 98.3 99.7
,E . 9 8.9 41.3 99.3 69.8 71.2 78.0 79.7 84 9!.2 94:9 95. 96.0 96.9 98.0 98.3 100.0
TOTAL NUMBER OF OSERVATIONS: 605
GLOBAL CLIMATOLOGY BRANCH PkC(N3A5( FR-jUUN(Y Or OCCJiRRNPOL OF1f
I I 3. vI- V I PILITYU5AFETAC FRO" HOU9LY OSI VAITONSA;IR .(AT HER ASERVICE /;lfiC
STATION NUM3ER: 0632,3 ST ATION NAME: Z|I RIK.:1" NL P! 10( Of (30pu: 7l-S7
90136: Ftp HOURSIL91: AILL
..................................................... :::::::::::::::::::::::::::...........................................
CIILING 899131I T~I 1(IN I 61 67 2,E 01 (.E 3,. (it liT 5ii 3,7 r & (f c.( oJ i,
NO CLIL I . 1 9. 0 22. 7 28.9 31.2 33.1 31. 3 3t.1 38.4 19.4 39.9 4:).C %').1 4U. 3 4 . 1 .-
b. Oco0 1 6.9 21.9 2S.7 32.3 35.1 36. 0 39.S 913.1 99.5 9S.6 46.1 4b.5 96. 96.6 46.6 91.iLE 183001 6.9 21.6 25.? 32.9 3S.- '.1 39.5 Is3.Z 11.6 5..76.; 4 6 - 6.5 46.1 7 !.1 '1.3Gr 160001 6.9 Z1.6 Z9.7 32.9 35.q 38.1 39.S 903.2 919.6 9S.1 96.' 9 6 .6.9 ,b.T 96.1 9 1.36 1W000 1 6.9 71.b 29.i 32.9 35.- 38.1 39.6 9t3.2 99.6 95. 96. 3 46.9 96.5 96.? 97.1 1 .3GE 12CO0 1 6.9 21.9 26.0 32.1 36.? 38.94 39.9 93.6 99.9 46.2 96.6 96.6 96.9 e 1 91.1 47 .I
"6 10O0 1 7.1 29.1 26.6 35.1 39.9 9.? 93.3 197.2 4 .? 50.1 110.6 0.1 53.8 "1.1 3.31 1.6
GE 9000l 7.6 21.94 29.0 36.2 40l.) 92.9 1991.0 97.9 41.. S 3.8 93.9 .1.S 51.6 91.9 911.9 .2.4
.1 81001 7.7 75.0 29.4 31.2 41.1 93.6 4S.2 99.2 "1.9 S2.3 5'.9 93.0 3.1 9,3.9 511 53.9,I 7'UOI 7.7 25.2 3.1 37.6 411. 99.0 95.6 99.7 I.4 q2.7 53.3 53.5 5.6 ';3.b 9I.7 F ,9.4G3 6r(;O I 1.8 25.2 30.2 31.8 491. . 91.2 99.9 99.9 01.1 3.1 93.1 93.9 59.0 54.2 54.2 S4.7
07 5CO01 8.1 26.2 it.9 39.9 13. 96. 1 9?.8 52.2 53.9 55.4 56.01 96.2 56.3 96.9 16.9 7 .1(0 E4d01 8.5 27.3 32.7 11.0 95.' 98. 1 49.7 5.1 5S.9 51. 5-.I 1 8.3 58.5 9a.7 598.7 19.3ur 9400 9.9 29.9 39.3 99.6 49.r 51.9 53.7 56.3 60.1 61.8 67.9 62.7 62.9 63.1 (0.2 63.16E 35001 9.9 31.3 37.3 96.6 51.1 5.0 55.9 60.6 62.9 69.1 6%.P 65.1 65.2 65.9 s .9
, (16.u
oE 3900 1 0.7 33.2 39.6 19.9 59.S 57.6 59.6 69.5 bb. 68.1 6.9 69.1 69.3 69.6 69.6 7C.3
GE zco1 3.9 39.9 11 .2 S1.9 56.9 60.2 62.3 61.5 69.9 71.2 71.7 12 72.9 72.? 1 . 73.GE C001 33.2 '5.5 92'.6 93.4 59.3 62.1 6s.0 70.4 72.9 79.2 ?S .3 7S.9 7.6 1s.9 7%.9 7b.4UE 1800 11.9 36.0 93.3 S.9 6D. 69.1 66.9 12.1 11.1 76.0 76.9 7.3 ??.S 71.8 77.8 18.3GE 15601 1.6 36.1 19.3 96.0 62.'. 66.6 69.3 7.1 17.2 79.2 8"1.1 90.5 80.1 11.0 81.0 1.607 120n01 11.7 37.1 15.3 51.2 69.1 68.7 71.3 77.6 79.9 P3.9 8 3.0 93.3 83.6 A3.9 8.9 89.9
u1 10001 11.7 31.9 s.3 57.b 64.? 69.9 72.2 76.9 81.2 83.. 89.5 99.9 RS.2 95.9 81.5 r 6.3f,[ 9001 13.7 37.5 ?9.: 1. 8 69.3 70.0 72.8 79.9 2.9 *9.6 ,.29 96.3 16.5 96.8 16.9 97.9E 8001 33.7 31.9 99.5 98.1 69.8 70.7 13.6 81.2 691. 66.9 81.9 98.9 88.7 69.3 89.3 99.6
UD 701 11.7 37.1 9.6 56.6 66.9 1.3 19.9 82.9 89.% 86.0 89.6 90.1 9(1.9 99.8 9.6 93.6E 60 11.7 37.7 4s.9 56.7 66.5 71.5 7U..6 82.8 86.1 b9,U 9". 93.9 93.1 92 .1 92.1 92.?
(07 IC31 11.7 37.7 9l5.0 98.8 66.1 7 1.8 75.0 63.9 81.0 93.1 9'.1 92.8 93.2 93.b 93.7 94.I 91301 13.7 31.1 9. :3 98.9 66.1 71.8 15.0 83.6 6b.1 o0.: 92.9 93.6 99. 919.6 99.1 99.1
, .j01 13.7 7.? 9.L 98.9 66.o
73.9 75.3 83.1 67.3 91.1 93.9 99.5 9z.2 99.9 96.0 96.6E 7001 I31.7 31.7 96.3 58.9 66." 71.9 75.1 83. 1 87.3 *I.2 93.7 99.1 9S.5 96.8 97.0 '48.0
GE 1001 11.7 31.1 96b.0 96.9 66.o 13.9 7S.1 83.8 81.4 93.3 93.8 91.9 99.1 97.0 47.3 99.6
1.1 01 3 3.7 37.7 4".0 ".9 66. 71.9 7.1 83.8 81.9 P1.3 93.8 99 .9 99.1 97.0 97.3 I0.U
T0TAL NU8P8ER OF 0RS8[VATIONS: 9997
jo
_.
3,10,51 CIR*lrLO3,Y I'8ANCH P36C24918&C FR-QUENCY 0F OCCJ8PELE OF criILIMu VrRSus VISIBILITY
SIATIC'S NUPIOLP.: CV1753 Sf2871W 889: Z217826fl ML OFI0 (43.'3p39: 80-8790876: MAP H0URSILSTI: 1000-023'
13I 2. VISIILITY IN SlAIU73 91135IN rE G( SF3 (1E GE G- GE 02. ft G1 "I 'it GE 6f 61 L.(
'ItI I I f, 6 s 41 1 2 1.42 2 1 112 1 1/N 1 1/N 5/8 112 11/16 1/4 1)
Nn0 C IL1 I ~. . I. 1 21.' 2. 9 27. 7 29. 6 31 .1 35.71 36.8 77.6 37.6 '8 .2 38 .7 18.9 39.2
'9.6
61 214rjnI 2 0.~ 1 .7 23.2 6.9 29.q 32.0a 33.8 38.84 39.5 4O.6 4".6 4 1.4N 4 N. 9 N?.0 4N'.N N! 3. uA, f 10.01 11. j .. I 2.2 26.9 29.7? 32.0a 33.8 38.N 39.5 410.6 413 . h 2.4 82.9 q 82.0 8?.N 83.0j1 lbr'U1 I 23.. "j). 7 23 .2 26.9 29.9 q 2. ) 33.6 38.4N 39.5 40.6 N?1.6 N1 .8 821.9 142.0 42.4 N 3.01 L I 'C'O 10.7 Y 23. 9 is .8 21.*1 30. 1 31. 2 33.9 38.5 39.6 40.8 40.A 4I .6 N2.0 42.2? N2.5 83.ZG II, , 202 r?. 8 2 I. 2 23.71 27.8 30.4 32. 5 34.2 38.9 80.0 81 .1 481.1 4 1.9 82.8 42.S5 8.8 8 .3.S
(.1 lc"3301 12.9 So I 26 S.9a 3u. 1 34. 7 36. 3 38.1 8l2.? 8 3.8 44.9 44.9 A 9. T 14b.? 2 6.3 S b.7 N. 5(1r 91 .0121.9 '8. 5 17.i 3 2. 2 34.9 36.9 38.7 93. 3 88.8 '45.5 8 .5 86. 3 86.8 87.3 8 7. 3 87.94.1 rl 8047 I 1?.8 4 -3. 28?.2 32.6a 36.' - 9.0 810.8 85 . 5 86.7 87 .8 87 .8 48.6, 89.0 89.2 89.5 S5). 1
r It 20)1 17.8 2. 6 23.3 73.23 37. 3 39.5 824.2 846.0 87.1 88., 49.? 89.0 49.5 89.7 S11.0 HJ.b.2( 6" U I I2,2.8' ? 2. A 28.s 33.1 37.8 39.6 824.4 86. 2 87 .3 88.8 8R.4 89.2 89.7 89.6 11r.? '. 8
.1l ',7 onI 1'.' F, 6b. 0 2.5 . 38.8 3 9.., 8 1.6 87 .3 8.6 89.7 50.8 51 .0 51 .8 52Z.2 ; 2.8 52 ?. 7 3 .349 '100 1 18. L 29 . L 12.9 36.8 81 ."1 88.8 86.2 51.8 52.9 58.0 s8. I S4.9 sr5.% 55.6 55,.9 5.6.5
.7 %5077 25I. $ 3.8 16 .9 812.8 88.9 S1.0 52.7 58.8 59.6 60.8 61..1 61.9 62.8 62.b b,2.9 f37. 51 31 -^ 16.8 36 .j 83 .3 8 . 3 52.71 55.84 57.3 63. 1 68 .2 6S.8 161 . 66.6 b7.3 67.2 67.5 68.2
63 ]P5LO 1b2.7I I 7. b 87.8 48.b 5 %. 2 57. 8 59.7 66. 1 67.2 68.5 69.8t 69.6 73.2 7 0.1 70.5 11..2
,J 2.'I 27.( I 9. so !.4 53.3 5 6.9 5;9. 6 61.5 67.8 b8 .9 70.2 r".5 721.3i 71.8 72.3 77.3 72 .9"L 11 1 17 12.2 913. 5 .. 4 S1.9 58.6 61. 3 63.2 69.6 70.7 72.0 ?,,.3 7 3. 1 71.6 73.7? 78.0 78. 74,3 2*Lr) I7.2 4J.m 85 .3 W . 9 59.71 62.84 68.3 70. 7 72.2 73 .81 11.7 781.5 75.3 15.2 75 ,.5 76.21(,f2 2' 00 17.5S 82.5 89.3 55.7 1 2. 66.2 6 8.3 75.0U 16.6 77.9 7 A. ? 79.0 79.5 79.6 79.9 01.6'A I,, rI 271.m 473..5 53.6 580.3 0 bs 69.3 11.8 78.5 80.2 811.8 82 .7 82.5 83.0 P3.1 b63.8 88.1
1 10l 17.9 p, 83t.6 c> I. I1 5.6b b 6.5 69. 9 72.5 79. 1 80.7 42.2 p 1.5 a83. 3 83.9 88. 1 8.84 85.03 un 13 ?7.8 43.m L,21.9 r,9.I b 6, 7 ?1. 0 73.6 40.8 82.11 83.8 88.2 1 4-19 85.5 85. 7 66.0 86.6
'.f 1,01 27.8 81.9 52:. 6,2.4 68. 72.8 75.0 0 4 63. 85.8 86. : 9 87. 87. 87.9 8.5
.3 6,,I 17.8 88. 1 S?.5 61.3 70r.2 73.7 1 7.2 81.8 86l,.3 pi8. 7 b9., 90. 3 90.9 91.1 91.8 9i -)
4,2 U0 127.8a 81. 1 52. 62. 70 T. I.. 78. 78.0 85.8a 88.] .1 9 1 2.2 '42.0 92. 7 9Z.8 93.? 93.6a eUriI 27.a8 1 8.2 52 .1 6 . 5 70.3 78.5 78.3 86.6 89.? 91.9 9 ;' 93.8 94.4 98.6 98.9 95.5
3. 3101 1 7.A 88.21 52.5 62.5 70.9 M.7 78.5 86.8 89.5 92.8 91.S 98.8 95.2 95.80 9'.7 96.1'If ?or' 231.8 88.1 52 .5 61 .5 M. ) 78.71 78.5 86.9 89.6 92.71 931.8s 98.7 95.81 9b.0 96.3 97.3'.3 I10 onI7 .9 884.2 I S?.5S 62.5 70. 78?.71 78.5 8l.2 8 9.8 9?.6 9 3 9 981.9 95.5 9b. 3 9b.7 99.Z
01 1 27.8 884.1 S?7., 63.5 70.3 4 78.7I 8.5 87.2 8 9.9 92.6 91.9 04.9 95.5 96.3 98.7 100.0..............................................................................
73of At NUMBE3 0R Of FISF RVA I085 6,08
bLObAL CLIMATOLOL.Y BRANCH PNCENTAGF F5 RQUE9CY OF OCCJRPENLE OF CEILNGd v(RSUS VISIBILITYUSAF[TIA C FROM HOURLY OBSERVATION5AIR WEATHER SERVICL/MAC
51AlION NUi 'U4: 063253 Sf8TION NA ME 717[IKIf NIL p(r)Iu CF PECOPO: 90-@7MPNT4: "AP HOUQSILSII: 0107-35C0
ILIN& VlSIB9 IN SATUIN G 61 6F 77 13 GE 6. GL GE GE. GE GE GI GE 7 1( (
F(E IT 10 6 5 2 112 2 1 1/Z I I/i 1 1/9 S/8 1/2 1I16 1/,......... e........... .......... .......... .......... ........... .................... .......... .......... ..........
NO CElIL 1 9.7 19.9 22.4 26.1 30.3 32.6 39.2 36.8 37.6 39. S9.4 19.5 39.5 10.2 9j.7 91.5
(,E ,UCUOI 10.0 21.6 29.5 28.5 33.2 36.0 37.6 0. 2 41.2 92.8 4'.! 93.. 13.6 99.2 99.? 95.5(. 18oo01I 1
0.0 :1.6 24.5 28.5 33.? 76.0 37.6 90.2 41.2 2.8 91.1 43.4 93.6 99.2 99.7 95.5
b[ 1bo00I 1.0 71.6 29.5 26.5 33.? 36.0 37.6 0.2 91.2 42.6 4 3.1 9S.9 93.6 99.Z 99.7 91.S
('E le9oOI F).0 21.7 24.b 28.? 33. 4 3b.1 37.8 90.9 91.3 42.9 4!.3 93.b 3.8 94.4 4.9 95.?
6 120001 10.0 ?1.9 29.8 26.8 33.5 36.3 37.9 90.5 91.5 43.1 93.9 93.8 93.9 99.6 9-. 1 95.5
6C IUjOOC1 3.91 9.1 27.2 32.1 37.6 90.5 92.1 99.9 %5.9 97.5 ?.9 9.1 993 98.9 99.9 5.,(. 90001 31. .245 7.b 32.9 38.1 91.a 92.6 95.9 96.9 98.0 49.3 98.6 49.8 99.9 49.9 50.7
GE SPO J 11.2 25.6 28.8 33.1 39.. 92.6 9.9 917.2 98.1 99.6 5.1 5 (.9 50.6 11.Z 51. 75Z0
G(E 7UOl 11.2 25.8 29.c 33.9 39.7 92.8 99.6 97.3 98.3 99.9 5C.2 50.6 53.? 53.4 51.9 5.?
A 6E1001 11.2 26.3 29.5 39.9 90.5 93.8 5 5.5 98.3 99.3 50.9 51.7 51.5 51.7 -2.4 52.8 53.b
tA: 5rcol I I. 27.6 33.8 35.8 92.1 95.9 97.2 50.6 51.7 53.3 13.6 59.0 59.1 59.8 5o.3 6b.I11 9001 12.0 27.3 31.9 36.5 92.9 96.9 98.1 51.5 52.9 59.5 59.9 55.1 55.3 5.9 56.9 57.21.1 90001 13.1 31.9 36.0 91.1 99.3 51.9 53.6 57. 1 58.3 90.0 6b.6 60.9 61.1 11.8 62.2 63,JG.t 35o 1 13.8 33.9 37.9 93.6 5n.9 59. 1 55.9 59.3 60.6 62.2 62.9 63.2 63.9 69.0 69.5 65.3
GE 30001 19.9 35.8 93.9 91.0 59 . 57.1 59.6 63.7 65.0 66.8 67.6 67.9 68.1 68.7 69.2 70.0
(E 2; 0 15.1 37.9 93.1 99.b 56. 1 60.5 62.9 67.1 68.9 10.3 71.2 71.5 71.6 72.3 7 .8 73.b(A .0001 15.2 90.2 95.9 52.8 60.3 69.2 66.1 71.0 72.9 9.9 715.2 75.5 75.7 '6.3 76.8 77.6
(A: 18001 15.2 90.5 96.9 53.3 bo. 69.? 66.6 71.5 72.9 75.U 7.9 76.2 76.3 77.0 77.5 78.3Af 15s0 15.2 11.8 97.8 59.8 62.7 96.3 b68. 73.9 79.9 7?.0 77.8 78.3 78.3 78.9 79.9 80.2G E I20n 15.6 92.6 98 .9 56b 69.5 68.6 70.? 75.7 77.1 79,3 80.3 90.9 80.6 pI.2 81.7 82.5
(A 1r1 I 15.6 9Z.8 99.3 56.9 6%.3 69.0 71.2 76.5 18.0 O. q 9.3 8I9 81.5 -2.2 62.7 83.5
G6 OO31 15.6 92.8 99.3 57.9 65.6 69.? 71.8 71.l 78. P1.2 87.0 92.3 82.5 43.1 R3.6 P%.%
UE 'u0 1 15.6 92.9 99.6 58.5 66.9 71.2 73.9 79.3 60.9 96.6 89.9 99.6 89.9 95.6 86.1 86.9L, 7001 1'.6 93.1 53.2 59.3 b8.1 72.6 79.9 83.2 82.8 P5.7 96.5 86.9 87.0 7.1 8.2 99.0(A 601 15.6 43.1 53.9 59.8 69.9 73.9 76.5 83.8 85.7 38.8 139.6 90.0 90.1 90.8 91.2 9z.l
(. SGO 15.6 93.1 53.4 59.8 69.9 73.9 76.5 89.9 86.9 89.5 90.9 90.8 90.9 91.6 92.1 92.9L.6 9o0 15.6 93.1 53.9 60.0 69.5 79. 77.3 85.7 67.7 90.9 91.9 92.2 92.9 93.0 91.S 99.3
6E TO0 15.6 93.1 53.9 60.0 69.5 79.?7 1.3 85.9 67.8 91.1 97.2 92.7 92.9 93.7 94.3 95.1Gr 703 15.6 93.3 5.9 60.0 69.5 79.7 77.3 65.9 67.8 91.I 97.2 92.9 93.0 99.2 95.0 96.6
E( 3uoI 15.6 93.1 53.9 60.0 69.5 79.7 77.3 85.9 88.2 91.9 97.s 93.2 93.9 99.7 95.6 98.9
(A 01 1 .6 93.1 53.9 60.0 69., 79.7 77.3 85.9 88.? 91.9 92.5 93.2 93.9 99.7 95.6 103.0•....,...............,,..o,..,................o,..o,..... ,.,.......,...........,.......,........,..,......
I07L MU9ME R Of OBSCRVA ONS: 617
1 .__
0GlO81 CLIMATOLOGY BRANCH PERCENTAGE rR QUENCY OF OCCJRRENCE Of CEILING VFRSUS VISIBILITYUsAFf IAC FROM HOUTLY ObSERVAT3ONS
AIR WEATHER SERV1CE/MAC
.ATION NUMBER: 063750 3A1ION NAME: ZItRIKZE- NL P6310D OF RECORD: 78-81MONTH: MAR HOURSILSTI: 0600-O6CO
IN I G E G( GE GE rE G GE GE GL GE rE GE GE GE 6E GEFELT 9 10 6 5 N 3 2 112 2 1 112 1 129 1 319 5/8 112 S/16 1/4 L
NO CLIL I 8.6 36.2 17.5 19.7 22.3 23.3 29.2 26. 2 26.7 78.6 29.6 3J.3 31.2 1.4 31 .6 32.3
uE 200ci 9.3 18.7 20.3 22.8 25.9 27.2 Z.9 31.2 31.7 33.9 34.9 35.7 36.7 37.1 37.2 16.uGE 18co031 9.3 18.8 23.9 22.9 26.1 21. 9 28.6 31.3 31.9 3 .1 35.1 15.8 36.8 37.2 37.4 38.1
.E 3bC0)1 9.3 18.8 23.9 22.9 26.1 27. 9 28.6 31.3 31.9 38.1 311.1 35.8 36.9 X7.2 37.4 38.1UE ICO 1 9.3 39.8 23.9 22.9 26.1 17.9 28.6 31,3 31.9 39.1 3€.I 35.8 36.q 37.2 37.9 38.16F IOL1 9.9 19.3 23.9 23.3 26. 27.8 29.0 31.9 32.5 19.8 3. 9 36.1 S7.7 38.1 39.3 !,.l
GE 100001 -. 7 21.9 23.2 26.1 29.' 31.6 32.8 35.7 36.2 38.6 39.7 40.4 41.4 91.9 q2.O 92.86E 9(001 10.6 23.3 25.1 2b. 32.3 9.1 35.2 38.1 38.7 o1.0 9?.? 92.9 93.9 99.3 99.5 95.j
6E 8000 1 11. 29.6 26.9 30.1 39.1 36.1 37.91 0.9 91.0 93.3 99.5 95.2 96.2 96.7 46.8 97.5GE 70o00 33.2 29.9 26.7 30.9 39.3 36. 37.7 40.7 93.3 93.6 99.9 95.5 96.5 97.0 97.1 97.84E 60001 33.3 25.9 27.1 31.0 35.1 37.1 38.9 93.6 92.2 99.5 95.7 96.9 97.9 97.8 9A.0 98.7
GE 5O00 32.0 26.9 29.3 32.9 37.3 39.0 90.9 9.1 99.6 :7.0 99: . 99.4 99.9 3 . 50.6 1. : 3GE 950 DO 12.6 27. 33.3 39.6 38.8 91.0 92.5 96.2 97.0 9.9 51.0 5.7 52.8 533 5 ,5 9.2GE 9rUO 13.6 30.1 3?.8 37.5 91.7 99.2 95.8 99.7 50.6 53.0 59.9 55.7 56.7 .7.2 57. S 8,.1GE 3500 % . 32.0 39.8 39.9 99.3 46. 9 48.3 52.3 53.3 55.8 57.7 58.9 59.9 60.1 63.3 61.0Gr 30u01 35.9 33.9 37.0 92.3 96.7 99.3 50.9 55.7 56.7 59.3 61.2 62.0 63.0 63.9 b9.1 69.9
GE 2 UO 16.2 35.9 39.1 99.5 99.1 52.6 59.6 59.7 60.7 6j.3 bk°l 66.5 67.7 68.6 6R.7 69.9
GE 2CO1 16.5 37.L 43.3 96.2 53.? 55.2 57.5 62.8 63.8 66. 6A.9 69.6 70.7 71.6 71.7 72.5GE 18001 17.2 38.7 92.5 98.9 53., 57.5 59.9 65.1 66.1 68.8 7n.9 72.0 73.3 79.2 79.3 75.1UE 1009 17.7 59.6 93.5 99.7 55.? 59. 9 63.9 67.2 68.3 71.2 71.3 79.5 75.9 76.7 76.8 77.5rE 12001 19.3 1 %. 3 99.6 51.9 57.S 61.9 69.3 69.9 70.9 73.8 76.3 77.9 78.7 79.6 79.7 80.9
GE 10001 18.1 40.3 99.6 51. 58.0 62.6 65.1 70.7 71.7 79.6 77.1 79.9 79.7 A3.6 a9.7 81.9Gr 9OD 18.1 90.9 %9.9 2.5 58.9 63.5 66.1 71.9 73.0 75.9 7q.4 79.9 81.2 82.0 97.2 sg .9GE 9001 18.1 93.1 95.8 53.5 60.1 69.6 67.2 73.3 79.5 77.5 b'.0 93.6 82.9 A.9 89.3 95.1GE 7009 38.3 93.0 95.9 53.9 61.' 66.1 68.7 75.1 77.2 0., 9'.2 9.9 8b.2 97.9 87.5 89.6E 600 11 e. 1 413.' 96.1 54.3 61.1 66.7 69.6 76.8 78.9 R1.9 8.6 R6.5 8.0 19.3 89.3 90.3
LIE sool 1s.1 91.2 9.1 3S.5 62.2 67.1 70.1 77.5 19.1 92.8 RV.q 87.7 89.1 90.9 93.6 91.6GE 9jo 18.1 41.2 96.1 S4.5 62.7 67. 70.% 78.0 79.6 A3.3 8f1.5 98.6 90.1 91.9 91.6 92.b
GE 3001 19.1 1.2 96.1 54.5 67.2 67.9 70 .9 79.0 79.b 83.5 86.7 89.8 90.9 92.0 92.3 93.9Gf 7001 Is.1 1.2 95.1 39.5 62.2 67. 9 70.9 78.0 79.7 93.6 9a.9 A 9.0 90.6 93.0 93.3 95.9! F ol 38.1 1.2 96.1 S%.5 62.2 67.9 70.9 78.0 79.9 A3.8 87.1 9.3 99.9 93.6 99.1 99.1
GE 7I A8.3 93.2 9b.1 59.5 67.2 67.9 70.9 78.0 79.9 93.8 87.3 9.3 90.9 93.6 99.3 IrO.0
OTAL NU48ER Of OBSERVATI094: 69r
GLOBAL CLIMAIOLOGY 8RANCH PfRCINTAGI FR3iUECY OF OCCJRRENC OF CEILING VrRSUS VISIBILITY
USAFETAC FROM HOURLY OBSERVAIIONS
AIR WEATHER SERVICL/MAC
STAION NUMBER: 063250 STATON NAME: Z11RIKZ[E NL P(PIOD or RE.ORD: 78-87MONTH: MA& HOURSLST : D901-1100
............................................................*.*...........................................................
LE L1NG VISIBILITY IN STAUTF MILES
IN GE 6r GE GE 6 GE 6E GE GL GE rL GE GE GE n1 E IFEET I 10 6 5 3 3 2 112 2 1 112 1 1/4 1 3/4 5/8 112 5/16 1/4 0.... *.................*.*.......................................*..°.................°.........**...*....*................
NO CEIL 1 11.3 15.1 15.9 18.2 21.5 22.8 23.8 25.0 26.8 28.5 ?4.9 29.1 29.4 ?9.4 2Q.4 '0.0
r.E 210001 13.0 19.1 23.3 2-28 26.? 28.0 29.5 31.0 32.8 39.9. 35*,0 35.3 35.8 15.8 35.8 3b.4
G. 28300I 13.6 19.7 23.9 23.% 26.9 28.6 30.3 31.7 33.5 35.2 35.9 16.1 36.5 3b.S 36.5 7 .1fq 160001 13.6 19.7 20.9 23.9 26.9 28.6 3C.3 31.7 33.5 352 3,.8 36 .1 36.5 36.S 36.5 37.1
GC 1910001 13.6 19.7 23.9 23.9 26.1 28. b 3n.3 31. 7 33.5 5.2 3S.l 36.1 36.5 36.5 36.5 37.1GE 12rUa0 13.7 20.3 21.b 29.1 27.6 29.9 31.1 32.6 39.9 36.1 3s.8 37.1 37.6 37.6 37.6 78.2
6C l00001 19.0 21.6 23. 26.9 30.1 32.2 39.9 35.9 37.9 39.5 4r.2 -0.5 91.0 41.0 41.0 91.6GE 90031 19.5 22.8 29.9 28.3 32.2 39.3 36.S 38.5 90.9 92.2 92.9 93. 43.7 43.7 43.7 99.3(F 81001 19.S 23.9 25.3 29.7 33.A 36.2 38.5 90.9 92.3 99.3 r,.0 45.3 95.8 95.8 95.8 96.36E 7"00 29.5 23.7 25.6 30.1 39.3 36.7 38.9 90.8 92.8 99.7 45.5 5.8 96.2 96.3 46.3 96.9(,f 6D001 19.9 29.3 26.2 30.7 39.9 37.3 39.6 91.7 44.o 45.9 5,.6 96.9 47.4 97.8 97.8 98.9
bF SpOOl 1.2 5.8 27.7 32.3 36.9 99.3 91.9 99.0 96.2 98.1 4A.9 49.2 99.6 50.1 57.1 50.7SC q,o0 15.5 27.6 29.5 39.3 38.9 41.6 99.1 96.5 98.9 11.3 52.2 52.8 53.2 S3.9 53.9 54.7(.1 9000 16.9 30.3 32.5 37.7 92.R 95.6 98.3 50.8 53.4 56.0 57.1 57.8 5.3 59.0 59.0 59.8SE 33001 17.1 32.C 39.6 93.2 95.6 98.6 52.7 59.2 56.8 59.5 61.5 61.3 61.7 62.9 62.9 b3.2GE 370o1 19.0 39.6 37.9 93.2 99.3 52.2 55.4 58. 61.0 63.6 6.7 65.7 66.2 67.1 67.1 67.8
(.1 25001 19.2 16.8 39.6 95.8 51.7 55.1 58.6 61.7 b.9 67.1 681 69.9 69.9 7j.8 70.8 71.5..1 2300 1 q.8 38.2 92.3 97.7 53.9 57.9 61.0 69.2 66.9 69.6 70.6 72.0 72.9 73.3 7S.3 74 .6E I8U0 r3.6 39.3 92.9 99.2 55.6 59.2 62.7 66.0 68.7 71.9 7?.4 73.8 79.2 75.1 75.1 75.9GE 25SU0 21.2 90.9 93.9 53. 7 57. 1 61.0 69.7 68.9 71.2 79.2 75.6 76.9 77.3 78.2 79.2 79.0
I. -DOI 22.1 91.9 5.i 52.1 59.1 63.3 67.1 70.9 73.9 76.8 79F. 79.9 79.9 P0.8 80.8 1&..
,C 10001 .2.2 2.3 95.9 3. 1 60.1 64. 1 67.8 71.8 79.8 77.8 79.1 80.5 90.9 R1.8 81.8 82.6I7 9L0t 22.2 2.31 45.2 53.4 60., 69.5 69.3 72.9 75.9 78.9 79.7 91.1 81.5 pR2.4 82.9 83.2
"I7 900I 7. 2 93.2 117.2 .5 *7 62.1 66.3 73.2 79.7 77.6 90.8 827 89.2 89.6 85.5 85.5 S6.31C 700 22." 93.7 97.7 55.1 62.7 66.9 70.8 75.6 78.7 82.1 89.1 -5.8 86.3 97.2 57.2 87.9.[ 60 22.9 93.7 97.7 55.1 62.7 66.9 70.8 75.7 79.1 92.7 89.9 P6.7 97.3 88.9 48. 89.1
Il 1 2O ;2.9 93.1 97.7 55.3 62.9 67.2 71.1 76.0 79.9 P3.3 86.3 88.2 89.0 02 90.2 90.9v[ 9j 22.9 93.8 17.8 55.9 63.' 67.5 71.9 76.5 79.9 A3.9 87.0 89.1 90.0 91.9 92.9 92.1GE 300 1 22. 93.8 97.8 55 .9 ! 3. 67. 5 71. 76.5 79.9 93.9 97.V 99.1 90.2 92.1 92.1 92.8UF 2001 22.9 43.9 97.9 55.9 63.t 67.5 71. 76.5 80.0 9.2 87.3 99.1 90.9 99.0 99.2 96.0[ IUD0 22.9 43.A 97.8 SS.% 63.' 67.5 72.9 76.5 80.0 R9.2 87.3 89.7 90.9 99.0 99.2 98.9
(.7 1 22.9 93.8 97.b 55.9 63.3 b7.5 72.9 76.5 80.0 R9.2 87.3 89.7 90.9 99.0 99.2 100.0
10T*1At 9U99C80 OF OPS RVA I IONS: 672
* ..
GLOBAL CLIMATOLOGY BRANCH pERCENTAGE FREOUENCY OF OCCURRENCE OF CEILISG VFRSUS VISIBILITYUSAFET AC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: U63250 STATION NAME: ZIERIKZE NL PERIOD OF PECODO: 78-87PONTH: MAP HOURSILSOI: 1200-1400
IN GL 6E GE GE GE G. GE GE GE GE GE G1 GE GE GE GE.FEET 10 6 5 4 1 2 1,2 2 1 112 1 114 1 3/4 5/8 1/2 9/16 1/4 3.... .................................................. ....................................... ..................
NO CEI L 7.9 12.9 14 .3 16.2 19.? 20.2 22.8 26.5 27.5 28.7 29.1 29.2 29.2 29.2 29.2 29.2
GF 20020 10.1 17.1 19.8 21.3 24.R 26.4 29.5 33.8 34.8 36.2 36.7 36.8 36.8 36.8 36.8 36.8LE 18E 001 10.4 17.b 19.5 22.1 25.6 27.1 30.2 34.6 35.5 36.9 37.4 37.5 37.5 37.5 37.5 37.5
GE 16000 10.4 17.8 19.5 22.1 25.6 27. 1 30.2 34.6 35.5 36.9 37.4 37.5 37.5 37.5 37.5 37.5GE 1400 10.5 16.3 19.9 22.5 26." 27.5 30.6 35.0 36.0 37.4 37.8 37.9 37.9 37.9 37.9 77.9G E I2GfO I 10.A 19.1 zI.1 23.6 27.1 28.7 31.7 36.1 37.1 78.5 3q.9 39.0 39.0 39.0 39.0 39.i
GE 100001 12.2 22.1 24.3 27.7 31.3 33.1 36.2 40.17 41.9 43.4 43.8 44.0 44.0 44.0 '44.0 44.0,E 90001 12.5 2Z.9 25.3 28.8 32.4 34.3 37.4 41.9 43.0 44.5 44.9 45.1 45.1 45.1 45.1 45.1
1E 8000 12.9 24.0 26.4 30.2 33.b 35.7 38.8 43.5 44.9 46.6 47.2 47.3 47.3 47.3 47.3 47.3
GE 71'001 12.9 24.2 26.5 30.5 34.1 36.0 39.2 84.1 45.5 47.2 47.8 47.9 47.9 47.9 47.9 47.9GE 60c0 12.9 24.2 26.5 30.5 34.1 36.0 39.2 4.2 45.8 47.5 4P.0 48.2 48.3 48.3 48.3 48.3
GE 5o00 14.0 26.4 29.1 33.3 36.9 38.9 42.1 47.3 49.4 51.3 51.8 52.0 52.1 52.1 52.1 52.1GE 45001 14.9 28.4 31.3 !5.4 39. 41.6 44.9 50.1 52.2 54.1 54.6 54.8 54.9 54.9 54.9 54.9UF 40001 16.4 30.9 33.7 38.1 42.4 44.7 48.5 53.7 55.9 58.1 58.4 59.0 59.1 59.1 59.1 5 .1FE 3500 1.3 34.0 36.9 41.4 45.4 48.0 52.0 67.2 69.4 61.7 62.5 62.6 62.8 62.8 62.8 62.8GE 37001 19.2 36.5 39.7 44.9 49. 52.7 56.7 61.9 64.2 66.7 67.6 67.7 67.8 67.8 67.8 67.8
GE 25031 20.2 40.3 4 .5 49.3 54.5 57.9 62.1 67.6 69.8 72.3 73.5 73.6 73.7 73.7 73.7 73.7(.E 2001 21.6 42.7 46.2 52.0 57.6 61.0 65.2 70.8 13.0 75.7 76.8 77.0 77.1 77.1 77.1 77.1(,F 19001 22.1 44.4 44.7 54.1 59.7 63.1 67.3 73.0 ?5.3 77.9 79.1 79.2 79.4 79.4 79.4 79.4
E IG001 23.3 46.S 5.3 56.9 62.6 66.2 70.9 76.7 78.9 81.9 81.3 83.4 83.6 R3.6 83.6 83.6
IF 12110 1 24.0 47.5 51.5 58.3 64. 67.7 72.8 78.8 81.5 84.4 86.0 46.1 86.2 86.2 86.2 86.2
6E 10001 24.0 47.5 51.8 58.8 b4.9 68.4 73.5 79.6 62.3 45.3 86.9 86.9 87.2 87.2 87.2 P7.26E QUO Z4.0 47.6 52.1 59.3 6S.4 6S.0 74.0 8 . 3 83.0 86.0 87.6 87.8 88.1 88.1 88.1 88.1(I P Oo 24.0 47.9 52.7 60.0 66.4 70.1 75.1 81.7 84.6 87.6 89.3 89.5 89.7 89.7 89.7 P9.7(E 70 1 14.2 48.7 5.9 60.4 67.4 71.1 76.4 83.0 86.0 89.0 9r.7 91.0 91.4 91.4 91.4 91.4
E 6001 24.2 48.0 53.1 60.5 67.6 71.5 76.8 84.0 87.1 90.7 924 92.8 93.4 93.4 93.4 93.4
LE 50E S Z4.2 48.0 53.1 60.8 68." 71. 9 77.2 84.4 87.5 91.2 93.4 94.0 94.7 94.7 94.7 94.7C[ 4001 24.2 48.2 53.2 61.0 68.3 72.2 77.5 84.8 88.1 91.9 94.1 94.8 95.4 95.9 95.9 95.9GE 7001 24.2 48.2 53.2 61.0 64.1 72.3 77.7 85.0 88.2 92.1 94.6 95.4 96.8 97.2 97.3 97.3G E ZOl 24.2 48.2 53.2 61.0 68.1 72.3 77.7 85.0 88.2 92.1 94.7 95.6 97.2 98.2 98.5 99.0bE I or 24.2 48.2 53.2 61.0 68. T 7.3 77.7 85.0 88.2 )2.1 94.7 95.6 97.2 98.3 98.9 100.0
bE 01 24.2 48.2 53.2 61.0 68.' 72.3 77.7 85.0 88.2 92.1 94.7 95.6 97.2 98.3 94.9 i00.0.....T. ... ... ... ...RT N ......... ........... ..... ... .... °. ... ...... .. ...... ... .. ...... .... .....
TOTAL NUMSR OF OR5LRVATIONS: 712
LOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE oF CEILIN VERSUS VISIBILITYUsAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMREP: 063250 STATION NAME: ZIERIKNZE NL PEIO OF PECORD: 78-87MONTH: MAF HOURSILSEI: 1430-1700
. ~ ... . . ... ° . o.. o. .. .... ... . . .o.. . ,. ................. o . ,.... ...... .... .... . .. ...... o.....,..o ... o. .......... ... °....
C ILING" VISIBILITY IN STATUTE MILES
IN .CE GE GE GE GE GE GE GE GE GE GL GE GE GE SE GEFEET 10 b 5 4 5 2 1/2 2 1 112 1 1/4 1 3/4 5/8 1/7 5/16 1/4 0
NO CEIL I 10.1 16.1 16.9 19.7 21.P 24.8 26.2 30.3 30.7 30.8 31.4 31.7 31.9 31.9 31.9 31.9
G 200001 13.2 22.3 23.4 26.9 29.6 33.3 34.7 39.0 39.3 39.6 41.2 40.6 40.7 40.7 40.7 45.7
,E 18000 1 1.2 22 3 23.4 26.9 29.5 T3.3 34.7 39.0 39.3 39.6 40.2 40.6 43.7 40.7 40.7 4L.7E 14000 I ,3 22.4 23.5 27.1 29.7 33.4 34.a 39. 2 39.5 39.8 4.4 40.7 43.9 40.9 40.9 40.9
UE 140O 13.6 23.4 24.5 28.0 30.7 34. 4 35.8 40.1 40.4 40.7 41.3 41.6 41.8 41.8 41.8 41.8GE 12301 14.4 24.8 25.4 29.4 32.J 35.9 37.3 42.0 42.4 42.7 43.3 43.3 43.8 43.8 43.8 43.8
'F 10J01 16.6 28.S 29.9 33.b 36.7 40.9 42.6 47.5 48.0 P8.3 49.1 44.4 49.S 49.5 49.5 49.5GE 9coo 16.9 29.6 31.0 34.7 37.4 42.0 43.7 48.8 49.2 49.7 59.5 50.8 50.9 50.9 50.9 50.9GE 1810 n 1.7. 9 31.0 32.4 36.4 43.4 44.6 46.4 S2.2 53.3 54.0 54.9 55.1 55.3 S5.3 54.3 S5.3
4f 70001 ".'C 31 1 3Z . 7 36.8 41.0 45.2 47.2 52.9 5.0 4,4.8 55.6 55.9 56.0 b.0 54.0 56.3bE bpoo 1I1 31.6 37.1 37.3 41.5 45.7 47.7 53.4 54.5 55.3 56.0 56.3 56.8 57.0 57. 0 47.0
E SO Ol 18.9 33.0 34.5 38.7 42.9 47.1 49.1 54.8 55.9 56.8 57.9 8.2 58.7 t8.8
58.8 5P.8
GE 453C$ 19.8 34.7 35.5 81.0 495.4 49.5 51.5 57.3 58.4 59.3 6).5 67.8 61.3 61.5 61.4 63.5GE 4000 21.8 38.2 4 .1 45.0 49.' 53.7 54.7 61.9 63.2 64,2 60.5 65.8 66.3 66.4 66.4 66.4(E 3500 23.4 40.7 47.0 48.1 52.6 57.0 59.0 64.2 66.6 67.6 68.9 69.2 69.7 69.8 69.8 69.8
S 3CO01 24.3 43.2 46.0 51.7 56.2 60.7 63.0 69.2 70.6 71.7 77.9 73.2 73.7 73.8 73.8 73.8
E 2E500 24.9 44.4 47.2 53.1 58.0 62.8 65.2 71.7 73.4 74.5 74.9 76.2 76.6 76.6 76.4 76.8uf 2 '0 U0 $ /5.9 46.3 489, 55.1 60.1 64.9 67.2 73.8 75.7 76.9 78.3 78.6 79.1 79.3 79.3 79.3GE IACOI 26.7 48.C 53.9 57.0 62.2 67. u 69.3 76.2 74.0 79.3 a.7 41.0 81.4 81.6 61.6 pI.6,E 300$ 27.7
50.
U 52.9 59.0 64.7 69.7 72.0 79.4 81.3 42.7 94.2 R4.5 85.0 P5.1 80.1 95.1
'4 120$ 27.9 50.8 54.0 63., 66.1 71.7 74.0 81.9 84.1 85.6 87.2 87.5 87.9 98.3 b . 6 8.I
GE 1I00 I 7.9 50., 54.0 60.2 66.7 72.3 74.9 83.0 84.3 87.( 8.7 49.U 89.5 99.6 89.6 99.F 9Uo 27.9 50.9 54.2 6.7 b7., 72.6 75.4 83.7 86.1 88.1 89.8 90.1 90.6 00.7 90.7 90.7
(E 900$ 29.0 51.1 54.5 61.0 67.' 73.2 76.2 84.7 87.0 89.8 97.0 92.3 92.7 92.9 92.9 92.,G E 00 28.0 51 .5 55.0 61.8 69.5 74.6 77.7 86.2 88.7 91.8 94.4 94.7 95.2 95.4 94.4 95.4
L T O0 28.0 '1. 55.3 62.2 69.2 75.2 78.3 87.0 69.8 93.0 94.7 96.0 96.4 96.6 96.6 96.6
uE 4301 R.0 51.5 $S,3 62.2 59.2 17.2 78.3 87.0 d9.8 93.5 95.1 96.4 96.9 97.1 97.1 97.1;,E 400$ 28.0 53.5 55.3 62.2 69.7 75.2 78.5 87.3 90.2 94.1 96.9 97.2 97.7 97.8 97.8 97.8' 3001 24.0 51.5 55.3 62.2 69.. 75.2 78.4 87.3 90.2 94.1 97.1 97.5 98.1 98.3 98.3 96.3
(E 200$ 29.0 51.5 55.3 62.2 69.2 75,Z 78.5 87.3 90.2 94.3 97.1 97.5 98.3 98.8 99.9 99.1F IuOI 28.0 "1.5 5.3 62.2 69.2 15.2 78.5 87.3 90.2 49.1 97.1 97.5 98.3 99.2 99.4 100.0
W. 0$ 28.0 51.5 55.3 62.2 69.2 75.Z 78.5 87.3 90.2 94.3 97. 97.5 98.3 99.2 99.8 3OG.0
TOTAL NUMPLR OF ORSERVATIONS: 646
ek-
(LOBAL CLIMATOLOGY BRANCH PEWCE41AGE FR- QUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFEIAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATI(ON NAME: ZIERIKZE- NL PEIOD OF RECORO: 78-87MONTH: MAR HOURSILSTI: 1800-2300
VEIN VI SI I*LIT Y**IN STATIUtE *MI LES ****,,**II*I**I**I*I- ** - * * - -IN I E GF 31E GE GE G- 6E GE GE GE GE GE GE GE GE GE
FEET I 10 f , 4 3 2 172 2 G 112 1 1/9 1 3/4 5/8 1/2 5/16 1/ 0
N3 CEIL 1 11.9 18.1 19.1 21.6 24.5 26.2 28.0 31.8 32.7 33.2 33.4 33.5 33.7 33.7 33.7 '4.1
bE 20000 15.6 24.2 25.6 28.4 31 . 33.8 35.8 39.9 40.7 41.9 42.4 42.7 47.9 42.9 42.9 43.3GE 181:0 15.6 24.2 25.6 28.4 31.5 33.8 35.8 39.9 4O.7 41.9 47 .4 42.7 42.9 42.9 42.9 43 * 3
GE 16r o0 15.6 24.2 25.6 28.4 31 .5 33.8 35.8 39.9 40.7 41.9 4'.4 42.7 42.9 42.9 42.9 43.3GE 14POOl 15.7 24.3 25.7 28.6 31.7 33.9 35.9 40.0 40.9 42.0 42.6 42.9 43.
0 43.0 43.0 43.4
GE 120001 16.1 25.5 26.9 29.7 33.1 35.4 37.3 41.4 42.3 43i4 44.0 44.3 44.4 44.4 44.4 44.8
rE 10900 1',. 31.3 33.2 36.5 400 42.6 44.6 48.8 49.8 51.1 51.6 52.1 52.3 52.3 57.3 52.8
GE 91:3 20.7 3.0 34.5 38.2 41.7 44.3 46.3 50. 51.5 52.8 3 5.3 S.7 54.0 54.0 54.0 55
bE 81001 21.6 34.1 35.1 39.9 43.q 46.8 49.2 53.7 54.9 56.6 57.4 57.9 58.1 58.1 58.1 S8.6GE 70001 21.6 34.4 36.4 40.2 44.3 47.4 49.8 54.3 55. 57.1 5q. S8.4 58.7 7 5 .7 59.16E 6COO 21.8 34.5 36.6 40.5 44 .5 47.7 50.1 54.7 55.9 57.6 Vsp4 54.8 59.1 59.1 59.1 59.5
bE SOO 22.6 I6.4 3R.5 42.4 46.4 50.1 52.5 57.4 58.8 60.7 6!.S 62.0 62.2 62.2 62. 2 62.7E 45001 23.6 37.5 39.6 43,6 47.9 51.3 53.7 58.7 60.1 62.0 67.8 63.2 63.5 63.5 63.5 63.9GE 4Cgo01 25.6 42.0 44.7 48.8 53.3 56.7 59.1 64.1 65.8 67.6 69.S 68.9 69.2 69.2 69.2 69.6
bE 3-001 26.3 44.4 47.Z 51.8 56.7 60.7 63.2 68.3 70.0 71.9 7?.7 73.1 73.4 73.4 73.4 73.8GE 3 O0 27.3 46.0 48.i 53.5 S8.4 62.4 65.1 70.6 72.4 74.3 75.1 75.5 75.8 75,8 75.8 76.2
61 2'I iC 27.6 47.4 53.2 55. Z 60.1 68.2 67.0 72.8 74.8 76.7 17.5 77.9 78.2 78.2 74.2 76.6LIE 2'OT 2q.6 48.8 51.9 56.7 61.4 66.1 68.9 74.8 76.8 78.6 79.5 79.9 80.2 80.2 80.2 80.6(, IE UO 29.9 49.4 52.6 57.7 62.9 67.2 70.0 76.0 77.9 79-8 8!.6 81.0 81.3 81.3 81.3 81.8
E I50 29.3 50. 4 .3 59.4 64.6 69.0 71.9 77.8 79.9 82.0 82.9 83.3 83.6 93.6 83.6 84.0
G I?o 29.8 '1.2 55.2 60.8 66.? 70.6 73.4 79.5 81.6 P3.7 84.7 P5.3 85.6 4S.b 85.6 86.0
LE 123o0 29.8 51.3 55.3 61.1 66.S 71.1 74.1 80.6 83.0 85.4 46.4 87.0 87.3 87.3 87.3 87.7b E Qgon 29.8 11.5 5S.4 61.2 66.9 71.6 74.8 81.5 84.0 86.6 87.7 88. 3 88.5 98.s 88.S 89.0
GE POOl 29.9 c11.6 55.7 61.6 67.L 72.3 75.7 82.3 85.1 87.7 8.1 89.7 90.0 90.1 90.1 96.5uE 7001 29.
8 Sl.b 55.9 62.4 68.6 73. 4 77.1 83.9 87.0 90.1 91.7 92.4 92.8 92.9 92.9 93.4
GE 001 29.8 51.9 56.2 62.8 69.C 74.3 78.2 85.4 89.1 92.5 94.2 94.9 95.3 95.5 95.5 95.9
bE SUOl 29.9 51.9 S552 63.1 6.,6 74.8 78.9 86.1 90.1 93.8 95.5 96.6 97.0 97.2 97.2 97.6GE 400 29.8 51.9 56.2 63.2 69.7 75.0 79.1 86.3 90.2 9j.9 95.6 96.9 97.3 97.5 97.5 97.9GF 3GO 29.8 51.9 55.2 63.2 69.7 75.0 79.1 86.3 90.2 94.2 96.0 97.7 98.2 98.4 99.4 98.9bE 250 29.8 51.9 56.2 63.2 69.7 75.0 79.1 86.3 90.2 94.2 96.0 97.7 98.2 98.6 9R.6 99.2
GE 1001 29.8 S1.9 56.2 63.4 69.9 75.1 79.2 86.4 90.4 94.3 96.2 97.9 98.3 98.9 98.9 99.9
E 01 29.8 51.9 55.2 63.4 69.9 75.1 79.2 86.4 90.4 94.3 96.2 97.9 98.3 98.9 98.9 100.0
TOTAL NUMBER OF OBSERVATIONS: 707
*J-
] bLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY
USATEAC FROM HOURLY OSSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063Z50 STATION NAME: ZI[RIKZE NL PERIOD OF RECORD: 78Bor-87
MONTH! MAR HOURS(LSTI): 2100-2300
CEILING VISIBILITY IN STATUTE MILESIN I GE Gr IC GE GE GE GE GE GL GE 'E GE GE GE GE G[
FEET I 10 6 5 4 3 2 112 2 1 1/2 1 1/4 1 3/4 5/8 1/2 5/16 1/4 0
.........................................................................................................................................
NO CEIL I 12.7 20.8 22.5 25.U 29.6 31.3 33.5 37.3 38.1 38.2 3R.2 38.2 38.2 38.2 38.2 38.4
GE 200001 15.4 25.2 27.4 30.3 35.5 37. 4 39.8 43.9 44 .8 45.1 45.3 45.6 45.6 45.6 45.6 45.8GE 18V0o I 15. q 25.2 27.4 3C.3 35.5 37.4 39.8 43.9 44.8 45.1 45.3 45.6 45.6 45.b 45.6 45.3GE 160001 15.4 25.2 27.4 30.3 35.5 37.4 39.8 43.9 44.8 45.1 45.3 45.6 45.6 45.6 45.6 45.8GE 140001 15.4 25.2 27.4 30.3 35.5 37.4 39.8 43.9 44.8 45.1 45.3 45.6 45.6 45.6 45.6 45.8GE 120001 15.9 25.9 2,.1 31.3 36.6 38.7 41.2 45.6 46.5 46.9 47.0 47.3 47.3 47.3 47.3 47.5
GE 100001 10.5 28.3 39.5 34.1 39.8 41.8 44.3 48.9 49.8 50.k 50.3 50.6 50.6 50.6 50.6 50.8GE 9COI 17.6 30.0 32.2 35.8 41.5 43.6 46.1 50.6 51.6 51.9 5 2.l 52.4 52.4 52.4 52.4 52.5GE 80001 17.6 31.3 33.5 37.4 43.2 45.4 48.3 52.8 53.8 54.2 54.4 54.7 54.7 54.7 54.7 54.9', E 7ol0 17.6 31.6 33.8 37.7 43.9 46.1 4B.9 53.5 54.4 54.9 55.0 54.3 55.3 55.3 55.3 55.5GE 60001 17.6 31.8 34.1 38.1 44.2 46.4 49.2 53.8 54.7 5S.2 55; 5..7 55.7 55.7 55.7 5.8
6E 5UO 17.6 32.1 34.4 38.5 44.7 4b.9 49.7 54.6 55.5 56.0 56.1 56.4 56.4 56.4 46.4 56.6bE 450U 18.9 34.1 36.5 40.6 46.7 48.9 51.7 56.6 57.5 58.0 54.2 58.5 58.5 58.5 59.5 58.6
GE 4Conl 20.8 39.8 42.6 47.3 53.5 Sb.1 59.0 63.8 64.9 65.9 66.2 66.5 66.5 66.5 66.5 66.7GE 300 1 22.0 41.8 44.8 49.8 56.1 59.1 62.1 67.3 68.4 69.5 63.9 70.1 70.1 70.1 73.1 70.3GE 30001 22.8 43.6 43.5 51.7 5".3 61.5 64.5 70.0 71.2 72.5 77.8 73.1 73.1 73.1 73.1 73.3
GE 2501 2 3.n 46.4 49.5 54.9 61.S 64.6 67.6 73.1 14.4 75.6 75.9 76.3 76.3 76.3 76.3 76.4,E 20Co1 23.1 47.3 53.6 56.3 63.1 66.2 69.2 75.2 76.4 77.7 79.7 78.3 78.3 78.3 79.3 78.5
UE 1001 23.4 48.4 52.4 58.2 64.9 68. 1 71.1 77.0 78.3 79.6 70.9 80.2 80.2 80.2 60.2 80.3GE 1'001 23.7 50.3 54.6 60.5 67.3 7C.4 73.6 79.6 81.0 R2.2 82.5 82.9 82.9 92.9 82.9 83.0GE 12UOI 23.9 50.8 55.2 61.6 68.7 72.0 75.2 81.4 82.9 94.1 84.4 84.7 84.7 94.7 84.7 84.9
,E Ir301 24.1 50.9 55.5 61.9 69.2 72.5 75.9 82.7 84.3 85.5 a59. A6.2 86.? 86.2 86.2 96.3bE 9001 24.1 50.9 55.5 62.1 69.5 73.U 76.4 83.3 84.9 86.- 86.5 96.9 86.8 A6.8 86.8 86.9
uE eOC I 24.4 51.9 56.8 64.0 71.5 75. U 7.6 85.7 87.3 A8.5 89 . 89.2 89.2 89.2 89.2 89.3GE 7001 24.4 52.0 56.9 64.5 72.5 76.4 80.0 87. 4 89.2 90.7 91.0 91.4 91.4 Q1.4 91.4 91.5GE 60 24.4 52.U 56.9 64.4 73.0 76.9 80.7 88.2 90.4 92.1 92.6 93.1 93.1 93.1 93.1 93.2
GE 5001 24.4 52.0 56.9 64.8 73.6 77.5 81.3 89.0 91.4 93.4 94.2 94.7 94.7 94.8 94.9 95.0GE 4001 24.4 52.0 56.9 64.9 73.0 79.3 82.2 90.1 92.6 94.7
95.4 95.9 95.9 96.1 96.1 96.2
UE 3001 24.4 52.0 56.9 64.9 73.9 78.5 82.4 90.4 92.9 95.1 95.9 96.4 96.4 06.7 96.7 97.UII 2U1 24.4 52.0 56.9 64.9 73.9 78.5 82.4 90.4 92.9 95.3 96.1 96.5 96.5 96.9 96.9 97.5GE I00l 24.4 52.0 56.9 64.9 73.9 78.5 82.4 90.4 92.9 95.3 96.1 96.5 96.5 96.9 96.9 99.5
UE 01 24.4 52.0 55.9 64.9 73.9 78.5 82.4 90.4 92.9 95.3 96.1 96.5 96.5 Q6.9 96.9 100.0
TOTAL NUMBER OF O9SERVATIONS: 636
( . - -- ,mlll i m W mll mlml m m m mmm m m
GLOBAL CLIMATOLOGY BRANCH PERCENTAGr FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILIIYUsAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: U63250 STATION NAME: ZIERIKZEr NL PERIOD OF VECORD: 78-87
MONTH: MAE HOURS[LSI): ALL
CE"ILING'VISIBILITY IN STATUTE MILESIN I GE GE GE GE GE OC GE GE GE GE GE GE GE GE GE GE
FEET I 10 G 5 4 3 2 1/2 2 1 1/2 1 1/4 1 39/4 5/6 1/2 5/16 1/4 U
NO CEIL I 11.2 17.1 18.7 21.3 24.9 26.2 27.8 31.0 31.9 32.9 3!.3 33.6 33.8 33.9 34.0 34.5
GE 20C00 12. 1 21.0 22.9 25.9 29.5 31.6 33.5 37.0 38.0 39.2 39.7 40.1 40.4 40.5 40.6 41.1GE 180UC 12.2 21.2 23.0 26.1 29.7 31.8 33.7 37.3 38.2 39.4 39.9 40.3 40.6 40.7 40.9 43.3uE 160001 12.3 21.3 23.1 26.1 29.7 31.8 33.7 37.3 38.2 39.4 39.9 40.3 40.6 40.8 40.9 41.3GE 14COO 12.4 21.5 23.3 26.3 29.9 32.1 34.0 37.5 38.4 39.7 40.1 40.5 40.8 41.0 41.1 41.5GE IZCOOI 12.7 22.2 24.1 27.1 30.9 33,
O 34.9 38.5 39.5 40.7 41.2 41.6 41.9 42.1 42.2 42.6
GE 10000 13.8 25.? 27.3 30.8 34. 9 37.3 39.3 43.1 44.1 45.4 45.9 46.3 46.6 46.8 46.9 47.3GE 9GU(O 14.4 26.3 28.5 32.2 36.3 38.7 40.7 44.6 45.6 46.9 47.4 97.8 49.2 48.3 48.4 48.8UE 8ro1 14.9 27.4 29.6 33.7 38.1 40.7 42.9 46.9 48.1 49.5 50.1 SO.5 50.9 51.0 51.1 S1.5GE 700 15.0 27.7 29.9 34.0 38.6 41.2 43.4 47.4 48.6 50.0 5r.6 51.0 51.3 51.5 51.6 52.UGE 60001 15.1 28.0 33.2 34.4 39.0 41.6 43.8 47.9 49.1 50.6 51.2 51.6 52.0 52.2 52.3 52.7
GE 50001 157 29.4 31.7 36.0 40.7 43.5 45.7 50.1 51.5 53.0 53.6 54.0 54.4 547 54.8 55.26E 4-001 16.5 30.9 33.4 37.8 92,7 45.5 47.8 52.3 53.7 55.3 56.0 56.5 56.9 57.2 57. 3 57.7GE 4'o0J 8.0 34.5 37.4 42.3 47.4 50.4 52.8 57.4 58.9 60.7 61.6 62.0 62.4 62.7 62.8 63.2GF 3.G0I 19.1 36.8 39.9 45.1 50.9 53.6 S6.1 60.8 62.4 64.2 69.1 65.5 65.9 6b.2 66.3 66.8L.! 30001 19. 8 38.9 42.3 47.8 53.3 56.7 59.3 64.4 66.0 67.9 6A.8 69.3 69.7 70.0 70.2 70.6
UE 25001 20.5 41.0 44.5 50.3 56.0 59.6 62.3 67.6 69.3 71.2 7'.2 72.8 73.2 73.6 73.7 74.1GE PJ01 21.1 42.6 46.3 52.3 58.2 62.0 64.7 70.2 71.9 73.9 74.9 75.5 75.9 76.2 76.4 76.8,E 19ol 21.5 43.7 47.7 53.0 59.' 63.6 66.4 71.9 73.7 75.7 76.7 77.3 77.7 78.0 78.1 78.6
GfE 1500 22.1 45.2 49.5 55.8 62.3 66. 3 68.9 74.7 76.5 78.6 7q.7 90.3 83.8 81.1 81.2 81.6CE 32 00 22.5 4b6.1 5.7 57.4 64.) 68.1 71.1 77.0 79.0 811 87.3 82.9 83.3 83.7 83.6 84.2
GE 10 22.6 46.2 5.9 57.8 64.6 68.7 71.8 78.0 80.0 82.2 83.5 84.1 84.5 84.9 85.0 85.4GE 9001 27.6 4b.3 51.2 58.2 6S.1 69.3 72.5 78.8 80.9 83.2 84.5 95.2 85.6 8S.9 66.1 86.5uE 9001 22.6 46.7 51.8 59.2 66.? 70.5 73.9 80.4 82.5 Fs.1 36.5 97.1 87.7 88.1 88.2 86.7(E 7001 22.6 46.9 52.1 59.8 67.3 71.7 75.2 82.0 84.3 97.1 89.7 P9.S 90.0 90.4 90.5 90.96E 6001 22.6 47.C 52.3 60.1 67.7 72.3 76.0 83.1 85.7 B.8 9.4 q1 . 3 91.8 92.3 97.4 92.8
GE 5001 22.6 47.0 52.3 60.2 6R.n
72.7 76.4 83.7 86.4 89.7 91.6 Q2.6 93.1 93.6 93.7 94.2GE 401 22.6 47.U 52.3 60.3 68.2 73.0 76.8 84.3 87.1 90.5 92.5 93.6 94.2 94.7 94.8 95.3GE '001 22.6 47.0 52.3 60.3 68.2 73.1 76.8 84.4 87.2 90.7 92.A 94.0 94.8 95.5 95.7 96.2GE .O1 22.6 47.0 52.3 60.3 68.2 73.1 76.8 84.4 87.3 90.9 93.0 94.Z 95.0 96.2 96.5 97.6GIE tO 22. t 47.0 57.3 60.3 68. A 73.1 76.9 84.5 87.4 91.0 90.1 94 .3 95.1 96.5 96.8 99.4
GE 01 22.6 47.0 52.3 60.3 68.3 73.1 76.9 84.5 87.4 91.0 93.1 94.3 95.1 96.5 96.8 100.0
TOTAL NUMBLR OF OBSERVATIONS: 5307
* .
GLOBAL CLIMATOLOGY BRANCH PERCENTAGF FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: C63250 STATION NAME: ZIERIKZE: NL PETIOD OF RECORD: 80-87MONTH: APR HOURSILSTI: 0000-0200
CEILING VISIBILITY IN STATUTE MLSIN I GE BE GE 6E GE GE GE GE GE GE GE GE GE GE GE GE
FEET I 10 6 5 3 1 2 l/2 2 1 112 1 1/4 1 3/4 3/8 112 5/16 I/4 0
.... ....................................................................................................................
NO CEIL I 2t.7 36.6 39.1 43.1 0.3 45.8 46.0 47.2 47.2 47.2 NT.7 47.2 47.2 47.2 47.4 47.6
GE 2UO00l 22.7 38.9 42.4 47.0 48.& 49.9 50.0 51.4
51.6 51.7 51.1 N1.7 51.7 51.7 51.9 52.1GE 180001 22.7 39.1 42.5 47.2 48.4 50.0 50.2 51.6 51.7 51.9 51.9 51.9 51.9 51.9 52.1 52.3GE 160001 22.7 39.1 42.5 47.2 48.q 50.0 50.2 51.6 51.7 S1.9 51.9 51.9 51.9 51.9 52.1 52.3GiE 140001 22.9 39.2 42.7 7.4 48.6 50.2 50.3 51.7 51.9 52.1 5?.I 52.1 52.1 52.1 52.3 S2.4GE 12000| 23.1 39.8 43.2 47.9 49.1 50.7 50.9 52.3 52.4 52.6 52.6 52.6 52.6 52.6 52.8 53.0
GE 100001 24.0 42.U 45.8 50.9 52.6 54. 2 54.5 55.9 56.1 56.3 56.3 56.3 56.3 56.3 56.4 56.6GE 9Troo 24.0 43.2 47.2 52.3 54.2 55.7 56.1 57.5 57.6 57.8 57.8 57.8 57.8 57.8 58.0 58.2GE 80001 24.1 09.3 48.3 53.6 55.7 57.6 58.0 59.4 59.5 59.7 59.7 59.7 S9.7 59.7 59.9 60.1GE 70001 24.1 44.4 4S.4 S3.8 5S.9 57.8 58.2 59.5 59.7 59.9 59.9 59.9 59.9 59.9 60.1 60.2GE 60001 24.3 44.6 44.6 54.0 56.3 58.2 58.5 60. 1 60.2 60.4 60.4 60.4 60.4 60.4 63.6 60.8
LE SCoo 24.7 46.4 43.3 55.9 58.T 60.4 60.8 62.3 62.5 62.7 62.7 62.7 62.7 62.7 67.8 63.GGE 45UOi 25.5 47.7 51.7 57.5 59.9 62.0 62.3 64.1 64.2 64.4 64.4 64.4 64.4 64.4 64.6 64.8GE "Coa0 28.1 53.1 57.3 63.? 66.7 69.4 69.8 71.9 72.2 72.4 77.4 7Z.4 72.4 72.4 72.6 72.7GF 35001 29.0 55.7 63.4 67.5 70.4 73.6 74.0 76.0 76.4 76.6 76.6 76.6 76.6 76.6 76.7 76.9GE 30001 30.6 58.5 63.7 71.2 74R 78.5 78.8 80.9 61.3 41.4 81.4 A1.4 81.4 41.4 61.6 91.8
GE 2U01 31.8 60.8 66.0 73.4 77.4 81.1 81.8 84.0 84.5 84.7 .4.7 84.7 84.7 84.7 84.9 85.1G E ZV00 32.3 61.6 66-8 74.3 7q.3 41.9 82.6 84.9 85.4 85.8 85.4 85.8 b4.8 85.8 85.9 86.1bE 18O1 32.6 62.3 b7.9 75.7 79.7 83.5 84.2 86.5 87.0 P7.3 87.3 R7.3 87.3 87.3 87.5 87.7GE 15001 32.8 62.7 b9.4 76.7 80.7 84.5 85.2 87.8 88.4 88.9 89 8.9 88.9 98.9 89.1 89.2GE 12001 33.0 64.1 73.0 78.3 82.3 86.1 86.8 89.41 89.9 90.5 91.5 90.5 90.5 90.5 90.6 90.8
GE 1073 I 33.2 65.3 71.4 79. 7 83.7 87.5 88.4 91. 1 91.7 92.2 92.2 92.2 92.2 92.2 92.4 92.5GE 901 33.2 65.3 71.4 79.9 83.9 87.7 88.7 91.7 92.2 92.7 92.7 92.7 92.7 92.7 92.9 93.1GE F001 33.2 65.5 71.9 80.7 85.2 89.2 90.3 93.4 93.9 94.4 94.4 94.4 94.4 94.4 94.6 94.8GE 7001 33.2 65.5 72.0 80.9 85.4 69.8 90.8 94.b 95.3 994. 45.8 9.8 95.8 95.8 96.0 96.2GE GCO0 33.2 65.5 72.? 81.1 85.6 89.9 91.1 95.0 95.8 96.4 96.4 96.4 96.4 06.4 96.5 96.7
GE 5001 33.2 65.5 7,,.6 81.4 85.9 90.5 91.7 95.8 96.9 97.6 97.6 97.b 97.6 07.6 97.7 47.9GE 4U01 33.2 65.5 12.6 81.6 86.1 90.6 91.8 96.2 97.2 97.9 97.9 97.9 97.9 97.9 94.1 98.1GE 3001 33.2 65.5 7'6 81.6 86.1 90.6 91.A 96.2 97.7 99.6 98.6 98.6 98.6 98.6 94.8 99.0GE 2001 33.2 65. 72.6 81.6 86.1 90.6 91.8 96.2 97.7 98.8 99.0 99.0 99.0 99.3 99.5 99.1rE 1001 33.2 F .5 7?.6 81.6 86.1 90.6 91.8 96.2 97.7 98.8 99.1 99.1 99.1 49.1 99.8 100.0
GE cI 33.2 65.5 72.6 81.6 86.1 90.6 91.8 96.2 97.7 99.8 99.1 99.1 99.1 99.7 99.8 100.0.. .. . .. . . . . . . . . . . .. . . . . . . . . ........................ ................................... . ,.,. ......
TOTAL NUMRFR OF OBSERVATIONS: 576
k-.
GLOA CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATIfN NAME: ZIERKZEE NL PLIOD OF PECORD: 80-AT
ONTH: APR MOURSILSTI: 0300-0500
CEILING VISIBILITY IN STATUTE MILES1N I GE GE GE GE GE GE GE GE GE GE GL GE GE GE GE GE
FEET I 10 6 5 4 3 2 1 2 2 1 1f2 I 1/4 1 3/4 5/8 1/2 5/16 1/4 0. ... . . . . . . . .. . . . . . . .. . ..*. .. . . . . .................°..°....................... ' o . l . . . .... .. . .
NO CEIL 1 16.0 30.8 33.9 37.7 39.; 41.2 41.2 42.8 43.4 44.1 44.1 49.1 44.4 44.q 44.6 455
GE 2C0OI 17.1 33.3 36.6 40.6 42.4 44.1 44.1 45.7 46.4 97.2 47.2 47.2 47.5 47.5 47.7 4e.6E 181001 17.1 33.3 36.6 40.6 42.4 94.1 44.1 97 96.4 97.2 47.2 47.2 47.5 97.5 47.7 48.6GE 160001 17.1 33.3 36.6 40.6 42.4 49.1 44.1 45.7 46.4 47.2 47.2 47.Z 47.5 47.5 97.7 91.6GE 14CO00 17.1 33.3 36.6 40.6 92.4 49.1 44.1 45.7 96.4 47.2 47.2 47.2 47.5 97.5 47.7 96.6GE IZ EOOI 17.3 33.9 37.3 41.3 3. ? 44.8 44.8 96.4 97.2 47.9 47.9 47.9 98.3 48.3 4.5 99.4
[,E 100001 18.0 36.1 39.9 44.1 96.1 47.9 47.9 99.9 1O.6 51.4 51.4 51.9 51.7 51.7 51.9 52.86E 90001 18.0 37.0 91.3 41,9 97. 49.7 99.T 51.7 52.5 53.2 517.2 53.2 53.6 53.6 53.7 59.6GE 8001 1?.7 38.1 4 70 99. 8 so.8 52.8 13.7 9.5 54.5 19.5 54.8 59.8 55.0 55.qGE 71100 I1.2 38.1 92.4 97.2 49. 51.0 11.0 13.0 13.9 14.6 14.6 14.6 55.0 1.0 SS.2 56.1GE 61001 18.4 34.3 42.6 7.9 4994 1.2 51.4 53.6 19.5 S52 55.2 12 55.2 15.6 11.6 5%.7 S6.6
rE 5s0o0 19.1 40.1 44.9 49.2 51.4 53.2 53.1 55.6 56.5 57.2 57.2 57.2 57.6 57.6 57.7 58.7
GE 1001 19.9 92.3 47.0 51.7 53.q 55.7 55.9 58.1 59.0 59.7 59.7 59.7 60.1 60.1 60. 61.2GE 4C0OI 22.0 46.9 52.3 51.9 59.6 61.4 61.7 89.3 65.2 66.1 66.1 66.1 66.5 66.5 66.7 67b.GE 35001 23.1 98.6 59.6 60.1 62., 69.7 65.0 67.6 68.9 69.9 69.9 69.9 70.3 70.3 70.5 71.4
GE 300 2S.5 51.9 57.9 64.3 67. 69.9 69.8 72. 73.6 74.7 74.7 74.7 75.0 75.0 75.2 76.1
tE 25001 26.4 53.6 59.7 66.3 69.4 71.6 71.9 79.5 75.8 76.9 76.9 7b.9 77.2 77.2 77.9 7b.3UE 20U01 27. 1 59.8 61.6 68.3 71.6 74.0 74.3 77.0 78.3 79.4 79.4 79.9 79.8 79.8 87.0 80.9GE I80 1 27.1 55.9 62.3 69.0 72. 74.7 75.0 77.8 79.1 90.1 80.1 40.1 80.5 40.S 81.7 81.8GE 11001 27.3 16.3 63.9 70.3 ?4.1 76.1 76.9 79.8 81.1 92.1 82.3 82.1 82.5 42.5 82.7 83.6
GE 12001 27.3 14.3 6S. 72.9 77.0 77.9 79.8 82.7 89.0 95. 4S. I 1.1 85.9 81.9 81.6 46.1
bE 10001 27.3 5,9.4 67.2 79.5 78-9 41.6 82.0 85.1 86.3 87.4 87.4 R7. 87.8 87.8 A9.0 88.9GE 9001 27.3 59.6 67.6 715. 80.1 R3.1 83.6 86.9 84.3 49.6 g9.6 89.6 90.0 90.0 90.2 91.1
GE A4011 27.3 59.7 6.8 TS.8 8.1 89,.0 89.5 88.0 89. 90.7 90.7 90.1 91.1 91.1 91.3 92.2(I6 7001 27.3 60.2 68.1 76.3 81. 84.9 81.9 89.6 91.1 : 2 : 3 97.3 92.3 92.? 92.7 92.9 93.8bE 601 27.0 60.1 65.3 76.1 41.0 45.9 86.2 90.3 91.8 93.1 91,1 93.1 93.9 93.9 93.6 94.1
GE UO1 27.3 60.1 68.3 T6.5 81. 85-6 86.7 91.6 93.3 94.7 9.1 91.1 95.9 95.4 95.6 96.5GE 4001 27.3 60.1 68.3 76. 8
2.p 86.0 87.2 92.5 94.4 95.8 96.2 96.2 96.5 96.5 96.7 97.6
GE 3001 27.3 60.1 69.3 76.5 42.0 46.0 87.2 92.5 94.5 96.0 96.4 96.5 96.9 9b.9 97.1 98.0GE 2001 27.3 60.1 b.3 76.1 82.0 86.0 87.2 92.9 95.1 96.5 q6.9 97.1 97.9 97.6 98.0 98.9GE 1001 27.3 60.1 64.3 76.5 82.1 96.0 87.2 92.9 9S.1 * 96.5 96.9 97.1 97.6 98.0 94.9 100.0
GE r7 I7.3 60.1 68.3 76.5 62.1 ti 6.0 07.2 92.9 95.1 96.5 96.9 97.1 97.6 98.0 98.4 100.0
TOTAL NUMBER OF OBSERVAIIONS: 199
LUJ
GLOBAL CLIMATOLOGY BRANCH PERCENTAGF FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STAT ON NAME: ZIERIK ?E NL PERIOD OF RECORD: 78-87MONTH: APR HOURSILSTI: 0600-0800
CEIL1NGVSIIIYISTTTMLE
IN I GE GE GE GE GE GE GE GE Gr GE GL GE GC GE GE GE
FEET I 10 6 5 4 T 2 1f2 2 1 112 1 1/4 1 3/4 58 112 5/16 1/4 0
NO CEIL I 11.9 22.4 24.0 26.9 29.. 30.6 31.7 32.9 33.7 75.7 36.1 36.4 36.5 36.7 36.7 37.5
bE 2G0001 13.1 25.6 28.2 32.7 35.4 37.7 39.1 40.7 41.7 43.8 44.2 44.4 44.6 44.7 44.7 45.5bE 18000 13.3 25.8 28.4 32.9 35.6 37.8 39.3 40.9 41.8 43.9 44.2 44.6 44.7 44.9 44.9 45.7bE 160001 13.3 75.8 28.4 32.9 35.6 37.8 39.3 40.9 41.8 43.9 4% .2 44.6 44.7 44.9 44.9 45.7GE 14c001 13. 3 25.8 28.4 32.9 35.6 37.8 39.3 43.9 41.8 43.9 44.2 44.6 44.7 44.9 44.9 45.7GE 120001 13.8 2b.b 29.2 33.7 36.5 38.8 40.5 42.3 43.3 45.4 45.7 46.0 46.2 46.3 46.3 47.1
GE 100001 14.7 28.7 31.3 36.5 39.7 42.0 43.8 45.8 46.8 49.0 49.4 49.7 49.8 50.0 50.0 50.8GE 9GO01 15.2 30.3 32.9 38.b 42.0 44.4 46.2 48.2 49.2 5l.4 51.4 52 . 1 52.2 52.4 52.4 53.2GE stoo 15.5 31.4 34.3 40.4 43.9 46.3 48.1 50.2 51.3 53.5 54.a 54.3 54.5 54.6 64.6 55.4.E 7rOOl 15.9 33.9 34.A 41.0 44.7 47.1 48.9 61.1 52.1 54.5 51;. 55.3 55.4 55.6 55.6 56.4E 6. or I15.9 31.9 34.8 41-0 44.7 47.3 49.0 51.4 52.4 54.8 55.3 55.6 55.8 55.9 55.9 56.7
G E 5CO01 16.0 33.0 36.1 42.8 46.5 49.2 51.1 53-5 54.6 57.2 57.7 58.0 58.3 58.7 54.7 59.5GE 45001 16.5 34.6 37.8 44.9 48.6 51.4 53.4 56.1 57.2 59.8 61.3 60.6 60.9 61.2 61.2 62.0GE 40001 17.9 38.3 41.7 49.0 52.7 55.6 57.5 60.4 61.5 64.1 64.6 64.9 65.2 65.5 6S.5 66.3G E 35JO 18.9 40.2 43.6 51.1 55.7 58.7 60.7 63.8 b4.9 67.5 67.9 68.6 68.9 69.2 69.2 70.06E 30 00 20.2 42.3 45.8 53.5 57.7 61.2 63.5 66.7 67.8 70.4 70.8 71.5 71.4 72.1 72.1 72.9
GE 2'OO1 21.3 44.9 48.9 56.9 61.1 64.7 67.0 70.4 71.5 74.2 74.7 75.3 75.6 76.0 76.0 76.8GE 2CO1 22.1 46.2 53.5 58.8 63.1 66.8 69.1 72.4 73.6 76.3 76.8 77.4 77.7 78.0 78.0 76.8bE IUO1 23.1 47.8 57.4 60.9 65.2 69.1 72.3 74.7 75.8 78.5 79.3 79.6 80.0 80.3 80.3 81.1
GE 15031 23.6 48.7 53.7 62.5 67.4 71.3 73.7 77.2 78.5 41.3 81.9 82.5 83.0 13.3 8T.3 94.1G E 12U71 24.8 50.6 55.9 65.1 70.7 74.7 77.1 81.1 82.4 8S,1 85.9 86.5 87.Z 87.5 67.5 88.3
GE 10011 24.A 51.1 56.4 65.5 70.8 75.3 77.7 81.7 83.0 85.7 86.7 87.3 84.0 48.3 8A.3 89.1GE 9001 24.8 51.1 5 .4 65.7 71.7 75.6 78.2 82.2 83.5 46.5 87.5 88.1 88.8 89.1 89.1 89.9GE 801 4.8 51.1 56.4 65.9 72.0 76.6 79.3 83. 84.8 88.0 89.1 90.1 90.7 91.3 91.0 91.8GE 7oo 24.8 51.1 55.6 66.0 72.1 77.1 79.8 84.0 85.3 48.6 89.9 91.0 92.0 92.3 92.3 93.1
GE 6G01 24.8 51.1 56.7 66.2 72.6 77.6 80.3 84.5 86.2 49.7 91.0 92.3 93.0 93.6 92.6 94.4
GE 'UOi 24.8 51.1 56.7 66.2 72.6 77.6 80.4 85.4 87.3 91.2 97.s 94.3 95.2 95.5 95.5 56.3
GE 4001 24.8 ,1 . 1 56.9 6b.3 72.S 77.7 80.6 85.7 87.7 92.1 93.6 95.4 96.5 96.8 96.8 97.b41 3001 24.8 51.1 5 6.9 66.3 72.R 77.7 80.6 85.7 87.7 2.1 93.6 95.4 96.5 97.0 97.0 97.8GE 2001 24.8 51.1 56.9 66.3 72.9 77.9 80.8 85.9 87.8 92.3 93.1 95.5 97.1 97.9 97.9 98.9
E 1001 24.8 51. 1 56.9 66.3 72.8 77.9 80.8 85.9 87.8 92.3 92.8 95.5 97.1 98.6 98.6 100.0
GE 2, 14.4 S1.1 56.9 66.3 72.A 77.9 80.8 85.9 87.8 92.3 99.8 95.5 97.1 98.6 98.6 17o.0
TOTAL NUMBER OF ORSERVATIONS: 624
-91
GLUOAL CLIMATOLOGY 3RANCH PEkCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY
USAFETAC FROM HOURLY OBSERVATIONSAIR wEATHER SERVICE/MAC
STATION'NUMBER: 063250 STATION NAME: ZI[RIKCEr NL PEqIOG OF RECORD: 78-87
MONTH: APR HOURSILS I: 0900-1100
CEILING VISIBILITY IN STATUTE MILES
IN G GE GE GE GE GE GE GE GE GE GE GE GE GE GE GL GE
FEET 10 6 5 4 5 e 1/2 2 1 1/2 1 1/4 1 3/4 5/8 1/2 5/16 I/4 0
...............................................................................................................................................
C NO CEIL 13.0 22.9 24.9 28.2 31.5 33.0 33.7 35.0 35.3 35.6 3.8 35.A 3b.0 36.0 3b.0 36,0
UE coOoO 15.5 27.4 33.2 35.3 39.3 1. 6 53.1 55.7 55.4 45.7 56.2 56.2 56.5 56.5 56.5 56.5
GE 180 00i 16. 28.1 33.9 35.0 39.9 42.2 53.7 5.5 46.2 6.5 57.0 47.0 57.2 57.2 57.2 NT.2
GE 160001 16.0 28.1 33.9 35,0 39.9 52.2 53.7 55.5 56.2 46.5 47.0 *7.0 47.2 87.2 57.2 57.2
GE INOOO|I 16.3 28.5 31 . 35.5 4O.4 42.7 5,2 56.0 46.7 97,C 47.5 47.5 47.7 57.7 47.7 7.7
GE 12000 I 16.5 28.9 31.7 35.8 50.3 53.2 55.2 N7.2 57.9 N8.2 N.7 N8. 7 58.8 58.8 58.8 48.8
(,E 100001 17.5 31.N 3N .8 39
.b NN. 7 57.0 59.3 51.5 52.3 52.6 53.1 53.1 53.3 53.3 53.3 53.3
GE 9OO1 18.2 32.6 36.1 51.3 57. 549.5 sZ.0 51.1 55.0 55.3 55.8 55.8 55.9 55.9 55.9 55.9
GE 80001 18.6 33.8 37.8 53.9 50.2 52.5 55.1 57.3 5A.4 58-9 59.4 59. 59.6 59.6 59.6 59.6
GE 7O0| 18.6 35.2 18.3 55.6 50.8 53.5 56.3 58. 59.6 60.1 60.6 60.6 60.7 60.7 60.7 60.7
6E GO0D 18.6 35.2 39.3 55.7 51.3 53.8 56.6 58.9 60.1 60.6 61.1 61.1 61.2 61.2 61.2 61.2
GE sOO 19.5 3 .3 39.9 56.5 53.' 56.6 59.6 62.0 63.2 63.7 65.2 65.2 65.5 65 .54 65 65.5
GE 4500 20.6 37.U 51.9 58.7 55.9 59. 62.5 65.0 b62 66.7 67.2 67.2 67.3 673 67.3 67.3
GE 40001 22.9 50.3 55.5 52.3 59.9 63.5 66.7 69.1 70.5 71.c 71.5 71.5 71.6 71.6 71.6 71.6
GE 35001 28.3 42.4 57.7 55.6 62.7 66.2 69.6 72.1 73.5 73.9 75.5 75.5 75.6 75.6 75.6 7.6
GE 30001 25.6 45.4 53.7 57.6 65.8 69.5 72.9 75.6 76.9 77.5 77.9 717.9 78 . 78.1 78.1 78.1
GE 25ooJ 27.6 58,7 54.1 61.6 70.0 73.8 77 " 80.0 81.5 81.8 87.3 82.3 82.5 82.5 87.5 82.6GE 20001 28.1 59.7 55.9 63.5 72.3 76.1 79.9 82.5 83.8 8.3 85 R a 88 85.0 86.0 85.0 85.0
fE 100D 28.2 0. 2 56.6 65.5 73.1 76.9 80.7 83.5 85.8 95.3 8.8a 85.8 86.0 86.0 86.0 86.3
UE 15001 29.0 1.5 58.1 65.8 79.9 78.9 82.7 85.8 87.1 87.6 88.1 88.1 88.3 88.3 88.3 p8.3
GE IZOO1 29.9 53.0 59.6 67-8 77.1 5i.4 85.1 88.6 89.9 90.4 90.9 90.9 91.3 91.3 91.3 91.3
GE 10001 29.9 53.0 59.9 68.2 71.4 82.0 85.8 89.6 90.9 91.5 93.9 91.9 92.5 92.4 92.5 92.5
GE 9001 29.9 53.0 59.9 68.2 77.6 82.2 86.1 90.3 91.6 92.1 97.7 92.9 93.4 93.4 93.5 93.5
GE pool 29.9 53.1 63.1 68.5 77.9 82.5 86.5 90.9 92.2 92.7 93.5 93.7 95.2 94.2 94.2 55.2
GE 7001 29.9 53.1 60.1 68.5 77.9 Z. 7 86.6 91.3 92.7 93.4 95.2 94.6 95.7 95.7 95.7 95.7
6E 6001 29.9 53.1 60.1 68.6 78.5 83.2 87.1 91.7 93.5 95.5 95.5 96.0 97.4 97.4 97.5 97.5
GE 5O01 29.9 53.1 60.1 68.8 78.7 83.7 87.6 92.2 9#.1 95.2 96.5 97.2 98.5 98.6 98.5 98.5
GE 4001 29.9 53.1 63.1 68.8 78.7 83.7 87.6 92.2 95.1 95.5 96.7 97.5 99.0 99.0 99.0 99.U
GE 5001 29.9 53.1 60.1 69.0 78.9 55.0 88.0 92.6 95.5 95.7 97.0 98.0 99.7 99.7 99.7 99.7
GE ZO01 29.9 53.1 63.1 69.U 78.9 84.0 88.0 92.6 95.5 95.7 97.0 98.0 99.7 99.7 99.8 99.8
GF 1001 29.9 53.1 63.1 69.C 78.9 85.0 88.0 92.6 95.4 95.7 97.0 98.0 99.7 99.8 10o.0 100.0
GE 1 29.9 53.1 60.1 69.0 78.9 85.0 88.0 92.6 95.5 95.7 9 7
.0 98.0 99.7 99.8 LO.O 130.0
OTAL NUMPER OF ORSERVATIONS: 606
iJ.oimmml m~llmI/Ilb I
GLObAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CFIL1NG VFRSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATIIN NAME: ZIERIKZE7 NL PEPIOD OF RECORD: 78-87MONTH: APR HOURS(LSTI: 12' -1400
. .. . .... .......... ...................................................................... ....................................CEILING VISIBILITY IN STATUTE MILES
IN I GE GE GE GE GE GE GE GE GE GE rI GT GE r GE GEFEET I 10 b 5 4 3 2 112 2 1 1/2 1 1/4 1 3/4 5/8 1/2 c/16 1/4 U
................. ,.°...,..............,......................................°°.........,......,.....,....°................
NO CEIL 1 16.6 25.9 26.2 30.4 32.n 32.7 33.6 34.4 34.7 35.0 3 .2 35.2 35.2 35.2 35.2 35.2
UE 200001 19.8 32.3 36.2 40.3 43.2 44.1 45.4 46.4 46.7 Q7.C 47.2 47.2 47.2 47.2 47.2 47.2GE 180001 20.1 32.6 35.5 40.6 43.5 44.4 45.7 46.7 47.0 47.3 47.5 47.5 47.5 41.5 47.5 47.5GE 16UOJ 20.1 32.6 36.5 40.6 43.5 44.4 45.7 46.7 47.0 47.3 47.S 47.5 47.5 47.5 47.5 97.5GE 140001 20.1 !2.6 36.5 40.8 43.7 44.6 45.8 46.9 47.2 47.5 47.6 47.6 47.6 47.6 47.6 47.bGE 12COO1 20.4 33.5 37.4 41.7 44.6 45.5 46.9 47.9 41.2 88.6 4F.7 48.7 48.7 48.7 498.7 48.7
GE 100001 22.1 37.6 41.9 46.7 49.6 50. 7 52.5 53.9 54.3 54.8 54.9 54.9 54.9 54.9 51.9 54.9GE 90001 22.1 38.2 42.5 47.3 50.4 51.8 53.7 55. 1 55.6 56.0 56.2 56.2 56.3 46.3 56.3 56.3GE 80001 23.0 40.3 4q.9 40.7 53.9 55.6 57.7 59.4 6n.
0 60.4 60.6 60.7 60.9 60.9 60.9 6U.9
GE 70001 23.1 40.5 45.1 50.8 54.2 56.2 58.3 60.0 60.6 61.0 61.2 61.3 61.5 61.5 61.5 61.5GE 6'00I 23.4 41.4 46.0 51.8 55.3 57.2 59.4 61.0 61.6 62.1 62.3 62.4 62.6 6-b 626 62.b
GE 50001 24.7 44.1 49.5 55.6 59.7 61.8 63.9 65.6 66.2 66.7 66.8 67.0 61.1 67.1 67.1 67.1(E 450| 25.7 46.6 51.9 48.0 62.1 64.2 66.S 68.2 68.8 69.3 69.4 69.6 69.7 69.7 69.7 69.7GE 40001 28.3 51.4 57.4 63.6 68. 70. 8 73.1 74.7 75.3 75.8 76.0 76.1 76.3 76.3 76.3 76.3
GE 35001 29.2 53.1 59.1 65.6 70.6 73.1 75.3 77.3 77.9 78.4 79.5 78.7 78.8 78.8 7A.8 79.8GE 30O1 31.3 5.7 61.6 68.3 73.7 76.1 78.5 80.5 81.3 81.7 81.9 82.0 82.2 P2.2 87.2 gi.,
GE 25001 53.4 47.2 63.5 10.3 76.0 76.5 BI.0 83.E 83.7 84.2 894.3 84.5 84.6 R4.b 84.6 04.6GE 20001 32.7 S9.4 65.9 72.9 78.5 81.1 83.6 85.5 86.3 86.8 86.9 87.1 87.2 47.2 87.2 -7.2GL 18001 33.5 60.7 67.3 74.7 80.7 83.3 85.7 87.8 88.6 A9.2 89.3 89.5 89.6 89.6 89.6 f9.6GE 14UO 34.2 62.1 68.9 76.6 82.6 85.5 88.1 90.3 91.0 01.6 91.p 91.9 92.1 42.1 92.1 91.GE 12U0 34.6 63.0 69.9 77.6 84.n 87.2 90.1 92.4 93.6 94.4 94.4 94.7 94.8 94.8 94.8 94.8
GEl 1O0j 34.6 63.0 17.0 77.8 84.3 87.5 90.6 93. 0 94.2 95.3 94.4 95.6 95.7 9S.1 95.7 ' .7GE 9001 34.6 63.3 7".5 78.2 84.9 E8. 1 91.2 93.6 94.8 95.9 96.0 96.2 96.3 96.3 96.3 96.3GE RI~I 34.6 63.4 7n.8 78.5 85.2 88.4 91.5 94.1 94.6 06.7 6.R 97.0 97.3 97.1 97.3 97.1GE 7001 34.6 3.8 71.2 79.0 85.7 88.9 93.9 94.8 96.7 91.7 9893 98.6 98.8 98.8 48.8 96.8GE 6001 34.6 63.9 71.4 79.1 85.8 89.0 92.1 95.1 97.0 98.2 94.8 99.1 99.2 99.2 99.2 49.2
GE SUO1 34.6 63.9 71.4 79.1 85.: 89. U 92.1 95.3 97.3 98.6 99.4 99.8 100.0 300.0 100.0 170.0GE 4001 34.6 63.9 73.4 79.3 84.9 89.o 92.1 95.3 97.3 98.6 99.4 99.8 103.0 100.0 100.0 130.0
GE 3001 34.6 63.9 71.4 79.1 85.8 89.0 92.1 95.3 97.3 98.6 90.4 99.8 300.0 100.0 100.0 I1u.L
GE 2UO1 34.6 63.9 71.4 79.1 84.9 89.0 92.3 95.3 97.3 98.6 99.4 99.8 100.0 100.0 IUr.O iO0.UGE IUO1 34.6 63.9 73.4 79.1 85.8 89.0 92.1 95.3 97.3 98.6 99.4 99.8 100.0 100.0 I00.0 100.0
GE 01 34.6 63.9 73.4 79.1 85.0 89.0 92.1 95.3 97.3 98.6 99.4 99.8 100.0 100.0 I6.0 iOO.O
TOTAL NUMBER OF OSSERVATIONS: 657
doL.,.
GLOBAL CLIMAIOLOGY BRANCH PERCENIA6E F8-QUENcY OF OCCJRPENCE OF CrILING VrRSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WFATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: Z1RIKZEE NL PEITOD OF RECOO: 768a-87MON.T4: APR HOURSILSTI: IS0-1700
IN I GE GE GE E GE GO GE GE GE GE r GI GE GE GE GEFEET I to 6 5 4 3 2 112 2 1 I|2 1 1/4 1 3/4 5/8 112 5116 1/9 0
NO CLL 1 19.1 28.0 29.8 33.4 35.7 36.0 36.2 37.0 37.7 98.0 38.0 39 .0 38.0 38.0 38.0 38.0
uE 200001 2 .7 37.7 40.3 95.j 47.0 48.7 48.8 SO.0 50.7 I.3 51.7 51.3 51.3 51.3 51.3 51.3GE 18000 24.2 3d.2 43.8 45.6 48.8 49.2 89.3 50.8 51.5 52.1 57.1 52.1 52.1 S2.1 52.1 S2.1GE 16001 24.2 38.2 40.8 85.6 48.4 89.2 49.3 50.8 51.5 52.1 !1. 1 ,2.1 2.1 52.1 521. 52.1UE I400C 24.2 38.2 41 .1 45.9 48.7 49.5 49.7 51.2 51.8 57*5 2 7.5 52.5 52.5 52.5 52.5 52.5bE 120001 24.2 39.3 42.3 41.4 50.2 51.0 51.2 52.6 53.3 53.9 33.9 53.9 53.9 53.9 5.9
GE luCOO a5.0 42.6 45.7 51.2 54.3 55. 1 55.3 56.9 57.6 58.2 58.4 8R.8 58.4 S8.4 58.4 5A.4bE 900 25.3 83.b 47.3 53.0 55.9 56.9 57.1 58.7 59.4 60.0 b.? 6n.2 60.2 60.2 60.2 6L.2GE 800 26.8 87.0 53.7 56.7 60.2 61.3 61.5 63.2 68.0 68.6 64.8 68.8 64.8 64.8 64.8 68.8uE 70o0 27.0 87.4 51.U 57.2 60.9 62.0 62.2 63.8 68.6 65.3 69.S 65.5 65.5 65.5 6S.5 b5.56E 6000 27.0 41.7 51.3 57.6 61.? 62. S 62.8 68.5 65.3 66.0 66.1 66.1 66.1 6b.1 b6. 66.1
GE 5000 2R.9 50.3 54.3 63.9 64.6 66.1 66.6 68.6 69.6 70.2 71.8 77.6 10.6 70.6 70.6 7L.66E 4,00 29.6 5I.2 55.3 62.1 66.1 67.8 6R.3 70.2 11.2 71.9 72.0 72.2 72.2 72.2 72.2 7.2GE 4P001 32. 1 55.1 6:.5 61.4 71.9 73.7 78.2 76.2 77.1 77.8 79.) 78.1 71.1 78.1 78.1 78.1GE 350O 32.4 55.8 bO.7 69.3 72.9 7.7 75.2 77.1 78.1 78.8 7A.9 79.1 79.1 79.1 79.1 79.1GE 30001 33.8 51.7 63.0 70.7 75. 78.0 78.5 80.9 81.9 82.6 82.7 82.9 82.9 82.9 87.9 82.9
GE 2 01 34.0 58.6 64.3 7. : 77V 79.8 79.9 82. 6 83.6 88. 8.7 8.9 8.9 84.9 84.9 84.9E z 001 35.8 61. 61.3 7. 80.1 8.6 83.1 5.9 87.0 a7.8 8.? 88.3 88.3 883 88.3 88.3-'1 10001 36.3 63.2 69.2 77.0 82.1 88.5 85.0 87.8 89.0 89.8 9.1 90.3 90.3 90.3 90.3 90.36E 100OI 37.2 65.1 71.2 79.1 84.5 87.2 87.7 90.5 91.6 92.8 97.8 4 .9 92. 92.9 92.9 92.9GE 2 UOI 37.7 65.8 71 .9 79.9 85. 48.2 88.7 91.4 92.6 93.8 93.8 93.9 93.9 93.9 99.9 93.9
SE 100on 37.8 66.4 729 80.6 86.1 49.0 89.5 92.4 93.6 98.4 98.7 98.9 94.9 94.9 98.9 98.9GE UO 3 7.8 66.4 7.5 81.1 86.7 8.6 9.1 93.91 98.2 94.1 94.8 95.6 95.6 95.6 9s.6 95.6(,E 81 37.8 66.6 72.7 81.3 86.q 89.8 9C.3 93.8 95.2 96.2 96.7 96.9 96.9 96.9 96.9 96.9ur 7001 37.8 66.8 7..9 81.4 87.1 90.6 91.3 95.1 96.5 97.7 9A.2 98.8 98.4 98. 4 98.8 98.4r c UO1 31.8 66. 172.9 81.4 87.7 9G.6 91.6 9S.8 97.0 98.5 99.0 99.2 99.2 99.2 99.2 99.2
a oo 37.8 66.8 72.9 81.6 87.5 90.8 91.9 95.9 97.5 99.( 99.5 99.7 99.7 99.7 99.7 99.7r F .001 37.8 66.8 ?2.9 81.6 8.l 96.8 91.9 95.9 97.5 99.L 99.5 99.8 99.8 99.8 99.8 99.8UE '001 37.8 66.9 17.9 81.6 87.8 9L.8 91.9 96.1 97.7 99.2 99.7 l00.0 100.0 100.0 300.0 100.0uL 20uo 37.8 66.6 17.9 81.6 8.- 9.8 91.9 9b.3 97.7 99.. 99.7 100.0 300.0 10.0 100.0 300.0,F I1u0 37.P 66.8 1..9 81.6 87.' 90.8 91.9 96.1 97.7 .99.2 99.7 l70.0 100.0 100.0 IuO.O 100.0
u, 01 37.8 66.8 72.5 81.6 8T.- 7u.8 91.9 96.1 97.7 99.2 99.7 300.0 100.0 100.0 lo0.O 100.0
3OAL NUME( OF OBSfVATIONS: 608
Mulo
61-O6AL CLIMATOLOGY BRANCH PEkCLNIG8E FREOUENcY OF OCCURRENCE OF CEILIN G VFRSUS VISIBILITYUSAFETAC FROM HOU9LY OASERVATIONSAIR wiATHER S[RVICE/MAC
STATION 4UMPER: 063250 5TAT1IO NAME: ZI[RIKF NL PLIOV OF RECORO: 78,80-87
MON7H: APR HOURSILSI): 1800-2 O0
CILIG VISIBILITY IN SATUIF MILESIN G LE CE GE 6E GE 6- GE GE GL GE GL GE GE GE GE GE
FEEl I 10 6 4 3 2 112 2 1 112 I 1/4 1 1/4 5/8 112 S/16
1/4 a
NdO CEIL I 25.3 34.7 37.3 40.1 41.4 42.0 42.4 43.7 44.4 44.6 44.6 44.8 44.8 44.8 44.8 44.8
(,E 201001 29.2 41.5 %%.4 48.6 50.: 51.1 52.5 54.2 54.9 95.1 "9.1 55.2 55.2 55.2 5S.2 55.2(,E 180001 29.2 41.5 4%.4 48.6 50.2 91.4 52.5 54.2 54.9 S5.1 59.1 55.2 55.2 95.2 59.2 55.2G! ]bg0| I9.2 43.5 44.4 48.6 50.7 S1.4 52.S 54.2 54.9 S5.1 9.1 95.2 55.2 S5.2 $5.
2 55.2
( 6 14001 29. 2 41 44.b 48.8 50.5 51.5 52.6 54.3 55.1 '5.2 S9.2 55.4 55.4 55.4 5S.4 55.4
(,F 12loo 29.8 43.2 46.1 5. A 51.9 S.1 5 4
.Z 55.9 5&.6 56.8 96.8 56.9 56.9 56.9 56.9 56.9
.. E I1601 32.3 48.0 51.4 55.6 57. 1 8.5 59.6 61.3 b2.0 62.2 6?.2 62.3 62.3 62.3 62.3 62.36r 9
r00i 32.6 4 .5 57.0 56.3 58.0 59.3 60.3 62.2 63.0 63.3 65.3 63.4 63.4 63.4 63.4 63.4(,E s8Ool 33.3 49.8 53.9 58.6 69.S 62.2 61.3 65.6 66.4 66.7 69.7 66.8 66.8 66.8 66.8 66.86E 7rO1 33.3 0.3 S4.3 59.1 61.1) 62.8 63.9 66.2 67.0 67.3 67.3 57.4 67.4 67.4 67.4 67.4
(r b0 33.S 90.6 58.8 59.7 61.6 63. 4 64.5 66.8 67.7 68.1 6q.1 68.2 68.2 68.2 68.2 b6.2
CE 50 I 35.3 53.4 57.9 63.1 65.3 67.1 6 82 70.7 1.9 72.4 71.4 72.5 I2:5 72:5 72.5 72.56E 4qUflI 36.4 594.8 9 7 65.3 67.6 69.4 70.5 73. 1 14.4 74.8 74.8 75.0 75.0 7,.0 75.0 75.0.F 4CU1 38.9 58.6 63.7 69.8 72.1 73.9 75.0 77.6 78.9 79.3 79.3 79.5 79.5 79.5 79.5 79.5bf 3,001 39.7 6U.5 bS .6 71.6 74.2 76.1 77.2 79.8 81.0 81.5 81.5 81.6 81.6 81.6 61.6 81.6uF c00 41.0 62.9 67.7 74.5 77.5 79.5 80.9 83.8 65.0 85.5 895 85.6 85.6 R5.6 89.6 45.6
CL 29201 41.7 63.4 68.8 76.2 79.7 81.3 82.7 85.6 86.9 87.3 87.3 87.5 87.5 97.5 l7.5 87.51,I o I 41.5 65.9 71.6 79.$ 82.3 4l. 85.8 89.2 90.4 90.9 90.9 91.0 91.0 91.0 91.0 91.0[ ICO 1-44.8 67.b 73.3 81.0 84.' 86.1 87.5 91.2 92.4 92.9 97.9 93.1 93.1 93.1 93.1 93.1F 3-001 49.8 68.5 74.2 81.9 84.4 87.a 88.4 92.1 93.4 93.8 93.8 94.0 94.0 94.0 94.0 94.
0I.E 12i1 9.9 9.1 74 .4 P2.b 85.9 88.1 89.8 93.8 95.1 95.5 9t.5 957 95.7 95.7 99.7 95.7
E luiuOl 4 5.9 6;.4 75.2 P2.9 89.9 48.6 90.3 94.4 95.7 96.1 96.1 96.3 96.3 96.3 96.3 96.34f 90l %9.s 69.b 75.5 83.2 86.1 48.9 90.6 95.4 96.8 97.2 97.4 97.5 97.5 97.5 97.5 975.uf p8OI 4s. 69.b 15.5 83.2 86. 1 84.0 90.7 95.7 97.2 97.7 98.0 98.1 98.1 98.1 99.1 98.1.[ 701 4I 49.S 69.6 79.9 43.2 86.1 09. 2 90.9 96.U 97.5 98.0 9A.3 98.5 98.5 98.5 98.5 98.5r,! bi 45.- 69.6 7s.S 83.2 86.1 49.2 90.9 96.0 97.7 98.1 99.9 98.6 98.6 98.6 98.6 98.6
tbf ',5 495.5 69.b 75.9 81.2 86.1 89.2 90.9 96.5 98.1 98.6 99.1 99.2 99.2 99.2 99.2 99.2CE 4or1 9.9 69.6 is9. 43.2 66.1 89.2 90,9 96.6 98.3 98.8 90.2 99.4 99.4 99.4 90.4 99.4i,[ Un0 45.5 69.6 Is.. q.2 86.1 89.2 90.9 96.8 98.6' 99.2 99.7 99.8 99.8 99.8 99.8 99.8(If '00o 45.5 69.6 75.5 83.2 86.1 89. 2 90.9 96.8 98.6 99.2 99.7 99.8 99.8 99.8 100.0 130.06! 1001 45.1, 69.6 79.9 S 3.2 86.1 89. 2 90.9 96.8 98.6 99.2 99.? 99.8 99.8 99.8 100.0 100.0
LCf 3 49S. 69.6 75.5 83.2 86.1 89.2 90.9 96.8 98.6 99.2 99.7 99.8 99.8 99.8 100.0 100.0
IOTAL NUMPL OF 0P S IAPI3N.: 648
Jd
GLOBIL CLIMBIOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCUROENCE OF CFILEING VERSUS VISIBILITYUSA ETAC FROM HOURLY OBSLRVATO'SAIR WEATHER SERVICE/MAC
STATION NUMBER: 06,3250 STATION NAME: ZI RIZEC PE011 OF RECORD: 78,80-873ONTH: APR HOURSILSTI: 2100-2300
.... .... ... .... ... .... ... .... ... .... .... .. i;;; Z;; ' ..' .....' ...;...........................................CEILINGMLS
IN I GE GE GE GE GE GE GE GE GE GE GL GL GE GE GE CIEFEET i1 6 s q 2 1/2 z 1 I/ I 1/N J 1/ 5/8 |/Z 1/16 1/4 6
...... ,................. ............ ....... ... .. ,... ..... ............ .... ... ..... ..... ............ ......... ....... .. ......
NO CETL I 22.3 37.9 i2.4 R4.7 46.5 46. 7 46.7 48.8 48.8 48.b 4P.8 48.8 48.8 46.8 48.8 48.8
G E 20COO 24.6 42.2 45.9 49.7 51.7 51.9 52.2 54.4 54.4 . 4 54 .4 54.4 54.4 S4.4 54.4 ,4.46E 1 0 9 4.6 42.2 46.9 49.7 51.7 51.9 52.2 54.4 54.4 54.4 54.4 44.4 54.4 54.4 54.4 54.4GE ibO0i 24.6 ,2.2 Nb .9 49.7 51.7 51.9 52.2 54.4 54.4 54, 5R. 54 .4 54.4 54.4 54.4 54.4GE 001 24.6 42. 45.9 49.7 51.7 51.9 52.2 54.4 54.4 '4.4 54.4 54.4 54.4 54.4 5.4 54.4(E 120001 24.8 .9 47.6 50.4 52.4 52.6 53.0 55.1 s.1 55.1 51.l 55.1 55.1 55.1 55.1 55.1
bE 100001 25.5 44.9 49.9 53.0 55.1 5. 3 55.7 58.0 58.0 580 . 54.0 58.0 58.0 5.0 sb.0
6E 90CO1 24.4 46.7 51.7 54.8 56.9 57.3 57.6 60.1 60.1 0.1 60.1 60.1 60.1 6.,1 t0.1 bO.1
GE 8C001 26.8 47.4 5.6 55.7 57.8 58.7 59.4 61.9 61.9 61.9 61.9 61.9 61.9 61.9 b1.9 61.9
.E 7oo0 26.8 47.6 53.0 56.0 58.2 59.1 59.8 62.3 b2.3 62.3 62.3 62.3 62.3 62.3 62.7 62.3I.E 60O0 27.3 48.1 53.7 S6.7 59.1 60.0 60.7 63. b3.2 63.2 67.? 63.2 63.2 63.2 63.2 b3.2
GE SCOGI 28,4 49.7 55.7 59.1 61.6 62.7 63.4 66.1 66.2 66.4 66. 66.4 66.4 66.4 66.4 66.46E 45001 28.7 50.6 56.6 60.1 62.8 63.9 64.6 67.3 67.5 67.7 67.7 67.7 67.7 67.? 67.7 67.7GE 40nl 31.1 5..3 2.1 66.4 69.P 71.1 71.8 74.7 74.9 75.U 75.0 75.0 74.0 75.0 74.0 75.0GE 3'001 31.6 b.2 63.4 68.0 71.8 73.1 73.8 76.7 76.8 77.
U 77.0 77.0 77.0 77.0 77.0 77.0
UE 30001 33.4 59.1 66.2 71.8 7S.8 77.2 78.1 81.0 81.1 q1.3 81.3 81.3 81.3 R1.3 81.3 81.3
GE 25001 33.9 60.5 67.7 73.6 77.7 79.4 80.3 83.3 83.7 63.8 43. . 3.8 93.A 3.8 b3.8 83.8OF 20001 35.2 62.3 69.5 75.6 80.1 81.7 82.6 85.8 86.2 86.4 86.4 86.4 86.4 86.4 86.4 86.4.E 10001 36.3 64.3 71.6 77.9 87.4 84.0 85.1 88.3 84.? 88. 8p.9 88.9 88.9 88.9 68.9 88.9
GE I5UO 06.4 65.2 77.9 79.7 84.2 86.0 87.1 90. 3 90.7 90.8 9V.A 90.8 90.8 90.8 90.8 90.8G E 17001 37.0 66.2 74.1 81.1 85.6 87.4 88.5 91.7 92.1 92.3 92.3 92.3 92.3 92.3 92.3 92.3
GE 10001 37.2 66.4 74.5 o1.7 86.,' 68.0 89.2 9Z.5 92.8 93.0 9..0 93.0 93.0 03.1 93.0 93.UI.E OL 317.2 66.6 74.9 82.6 87.1 89.0 90.5 93.9 94.3 94.4 9..4 94.4 94.4 94.4 94.4 94.4(.E 909 37.2 66.6 75.( 82.9 87.4 89. b 91.0 94.0 95.3 95.5 9-.5 95.5 95.5 95.S 94.5 95.5uE 709 37.2 66.6 75.2 83.1 87. f o0. 1 91.6 9.7 96.2 9b.4 96.4 96.4 96.14 9b.4 96.4 96.4GE 60n1 37.2 66.6 75.2 83.1 87.8 90.7 92.1 97.3 97.8 98.0 90.0 QR.u 98. 98.0 98.0 98.0
GE s51 37.2 66.6 75.2 83.1 87.4 90.7 92.1 98.0 98.6 98.7 9A.7 98.7 98.7 98.7 98.7 98.7.E 4001 37.2 66.6 75.2 A3.1 47.8 90.7 92.1 98.2 99. 99.3 99.3 99.3 99.3 99.3 99.3 99.3fE 3001 37.2 66.6 75.2 83.1 87.4 90.7 92.1 98.2 99.1 99.s 99.5 99.5 99.4 99.5 99.5 99.5GE 2001 3 7
2 66.6 75.2 83.1 17.7 9C. 7 92.1 98.4 99.4 99.8 9 .8 99.8 99.8 99.8 99.8 99.8
GF IaOI 37.2 66.b 75.2 83.1 87.8 90.7 92.1 98.4 99.s 99.8 99.Fl 10.0 100.0 1(70.0 t0,0 OC.O
GE 0 37.2 66.6 75.2 83.1 67.P 9C.7 92.1 98.4 99.5 99.8 99.8 100.0 I00.0 I0,O 100.0 100.0
TOTAL NUMRER OF OBSFRVA 13W,: c57
GLOAL CLIMATOLOY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIPILITY
USAFLTAC FROM HOU9LY OBSLRVATIONAIR .wEATHER SERVICEIMAC
STATION NMBR: 063250 STAT I(% NAME: ZIER2E: NL PERO0D OF ECOR0:78-87MONTH: APR HOURSCLSTII ALL
. .... . . . . . . . . . .. . . . . . . . . ...........*.°...................~o. .°. I .* .*... . . . ...... ........... . . .. ..... .CEILING VISIBILITY IN STATUTE MILLS
IN GL GE GE GE GE G- GE G[ E GE GE G G[ GE GE GE GE
FEET 10 6 5 3 2 1 2 2 1 112 1 1/4 1 3/4 i / 112 5/16 1/4 0.. . . . . . . . . . . . . . . . ...................... .. ° . * . . °* . *.. .. . . . .. .° .. ... . ......... . . . . .... .. . .. ...........
NO CIEl 1 18.2 29.7 32.2 35.4 37.1 38.3 38.7 90.0 90.9 40.9 91.n 41.1 91.2 41.Z 41.2 41.5
GE 2Oo31 20.7 34.8 35.1 92.2 44.7 46.1 96.9 98.4 N 8.9 49.5 49.6 49.7 49.8 99.8 99.8 53.1GE 180UO 20.9 35.0 39.3 92.9 95.: 46.3 97.1 48.7 99.2 49.8 91.9 s0.0 50.1 50.1 SO.1 %0.3GE 1 6000| 20.9 35.U 38.3 42.9 95.0 96.3 97.1 98.7 99.2 99.8 99.9 50.0 50.1 50.1 50.1 50.36E 19noo0 21.0 35.1 35. . 92.6 45. 1 6.5 47.3 98.8 49.4 99.9 50.1 5I.1 50.2 0.2 5.3 c.S
E 120031 21.3 35.9 39.3 o3.5 b.6 47., 98.3 99.9 57.5 51.0 51.2 51.2 51.3 51.3 51.9 51.b
CE 100001 22.9 38.9 92.5 97.2 99.9 51.3 52.9 59.2 59.8 55.4 55.5 55.6 55.6 55.7 55.7 55.96E 9C001 22.8 43.3 93.8 98.6 51.5 53.1 59.1 56.0 56.6 51.2 5?.3 57.4 57.5 S7.5 57.6 57.b6E 8001 zJ.4 a ., 95.6 53.8 53.9 55.7 56.8 58.8 59.5 60.1 6f.3 60.9 60.5 60.5 Go.5 60.8GE 71,00. 23.5 91.8 95.9 51.2 5N.9 S.2 57. 59.4 60.1 67.7 61.9 61.0 61.1 61.1 61.1 61.4GE 6010 23.6 4Z.1 95.2 51.6 5.9 56. 7 57.9 60.0 60.7 61.9 61.6 61.6 62.7 61.8 61.8 62.0
GE 5000 29.7 4. 1 49.5 59.2 57.7 59.7 61.0 63.2 69.0 69.7 64.0 b5.0 65-1 65.2 tS.z 65.4GE 95301 25.5 95.6 53.1 56.1 59.7 61.8 63.2 65.4 66.2 66.9 67.1 67.2 67.3 61.9 b7.4 67.6GE 4(Oll 27.8 49.8 55., 61.Z b5.2 67.5 68.8 71.2 12.2 72.8 71.] 73.2 73.2 73.2 73.3 73.5E 31- 0JI 28.6 51.6 55.9 63.9 67.6 70.1 11.9 73.9 79.8 75.5 75 . 7 75.9 76.0 76.0 75.1 76.1
GE 3p01 30.2 59.1 59.c 66.5 71. 73.7 75.2 17.8 78.7 79.9 70.6 79.8 79.9 79.9 80.0 8O.2
GE 0oo 31.1 5S.9 61.6 68.8 73.' 76.2 77.8 80.5 81.9 92.2 82.9 82.6 82.7 82.7 82.8 83.0GE 2.U0i 32.1 57.b 63.6 71.0 75.9 78.6 80.2 83.0 89.0 89.8 85.0 85.1 85.2 85.3 85.3 85.6GE 1 A0 32.8 58.9 5.1 72.6 77.5 90.3 81.9 89.8 85.8 86.6 86. 86.9 87.1 97.1 67.2 8'.
[ I5U00 33.9 60.0 66.9 79.1 79.7 82.2 83.8 86.6 87.8 88.7 89.9 89.0 89.2 89.2 89.3 q9.5GE 1200 31.8 61.3 67.7 75.7 80.9 89.1 85.6 89.0 90.1 Q0.9 91.2 91.3 91.5 91.5 91.6 91.8
GE 1001 33.9 62.6 59. 76.3 82.7 85.0 86.7 90.1 91.1 92. 92.3 92.9 92.6 92.7 92.7 93.0GE 90 33.9 61.9 63.5 76.8 82.2 85.5 87.9 90.9 92.0 93.0 93.3 93.5 93.7 93.? 93.8 99.0Gf Ai 31.9 62. 69.7 77.1 82.7 86.1 88. a 91.8 93.0 99.1 99.9 99.b 99.8 9q.9 94.9 95.2
F 701 31.9 62.1 58.9 17.3 82.9 96.6 88.6 92.6 93.9 95.0 95.5 95.8 96.1 96.1 96.2 9C.4ul (002 53.9 62.1 69.U 77.9 83.2 26.9 88.9 93.2 94.6 95.8 96.3 96.6 97.0 97.0 97.1 97.3
GE i001 33.q 62.1 w9.0 77.5 83.' 87.1 89.2 93.8 95.9 96.7 97.3 97.7 98.1 98.1 98.2 96.9GE 9001 31.9 6Z.1 6.1 77.5 83.9 A?.2 89.3 99.1 95.7 97.1 97.7 98.2 98.6 98.6 98.7 98.9. 20021 53.9 62.1 67.2 71.5 83.4 87.2 89.3 94. 2 95.9 97. 99.0 98.5 98.9 99.0 99.0 99.2
GE 2001 33.9 62.1 69.1 77.5 83.9 8?.2 89.3 99.2 96.0 97.5 98.2 98.7 99.2 99.3 99.9 99.6(E 1030 31.9 62.1 69.2 77.5 83.9 A7.2 89.3 91.2 96.0 97.5 9R.2 98.7 99.2 99.5 99.6 100.0
A 7 33.9 62.1 G9.1 77.5 82.4 81. 2 89.3 99.2 96.0 97.5 98.? 98.7 99.2 99.5 99.6 100.0
T0AL NUM L9 OF DOSE A8T 10US: 9925•1
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILSE, VFRSU$ VISIBILITYUSAF TAC FROM HOURLY OBSERVATIONSAIR 6EAT4HR SERVICE/MAC
STATION NUMP : U632%0 STATI ON NAME: ZERITKZE, NL PEPIOD OF RECORO: 79-86MONTH: MAY HOURSILSTI: 0000-020
.. ....................... °.............................* *. ........................... ..... .....................
CELING VISIBILITY IN STATUTE MILESIN I GE GE GE GE GE G- GE GE GE GE fL GE GE G E 5 GE
rEEl I In b 4 1 2 112 2 1 112 1 1/4 1 3/4 5/8 1/2 5/16 1/4 0
NO CEIL 1 22.9 40.0 42.7 45.8 47.1 47.7 47.7 48.3 48.3 48.3 4n.5 48.5 48.5 48.5 48.5 4b.5
E 20900 1 29.3 92.9 45.8 49.0 50.4 50.8 50.8 51.5 51.5 51.5 51.7 51.7 51.7 51.7 51.7 E. 7bE 1 COn1 24.3 92.9 45.8 99.Q 50.4 50.8 50.8 51.5 51.5 51.5 51 .7 Si.? 1.7 %1.7 51.7 51.7
GF 16001 24.3 42.9 45.S 49.u 50.4 50.8 5.8 51.5 51.5 51.5 51.7 51.7 51.7 51.7 51.7 51.7bE 190001 24.3 42.9 45.8 49.0 50.4 50.8 50.8 51.5 51.5 51.5 51.7 51.7 51.7 "1.7 51.7 51.76F 1,0001 '4.3 43.1 b .0 49.2 50.So 51.0 51.0 51.7 51.7 51.7 51.9 51.9 51.9 51.9 51.9 51.9
4E 100 I 26.2 47.9 51.3 54.4 56.' 57. 1 57.1 57.7 57.7 57.7 57.9 57.9 57.9 57.9 57.9 57.9GE 9nuo 27.2 49.0 5?.5 55.6 57.5 58.4 58.4 59.0 59.0 59.0 59.2 59.2 59.2 59.2 59.2 59.2GE 80001 28.2 50.8 55.6 59.0 60.9 61.1 61.9 62.8 62.8 62.8 6 9.0 (3.0 6 .0 63.0 b3.0 63.0.. I 7'00 I Z8.2 50.8 55.9 S9.2 61.1 61.9 62.1 63.0 63.0 63.0 67.2 63.2 63.2 63.2 63.2 53.2
bE b001 28.5 51.0 56.3 59.8 61.7 62.6 62.8 64.0 64.0 64.0 64.2 64.2 64.2 64.2 64.2 64.2
bE 51GO 28.7 51.7 57.9 b2.3 b4. 65.7 65.9 67.2 b7.2 67.4 67.6 67.6 67.6 67.6 67.6 67.6bE 45071 29.1 53.3 59.6 64.0 66.1 67.6 68.2 69.7 69.7 69.9 70.1 70.1 70.1 70.1 73.1 70.1,[ E 0uo 31.6 58.8 65.3 70.5 72.6 74.1 79.7 76.2 76.2 76.4 76.6 76.6 76.6 76.6 76.6 76.6
*E J O1 32.n 60.5 67.4 73.Z 75.5 77.0 77.6 79.1 79.1 79.3 79.5 79.5 79.5 79.5 79.5 7 9
. 5Si, 3CCnl 1 35.5 62.A 77.1 76.4 78.5 79.9 80.5 82.0 82.0 82.2 87.4 82.4 82.4 R2.4 82.9 S2.4
6F 21001 3.5 64.2 11.8 78.5 81.I 92.4 83.1 84.5 84.5 84.7 34.9 94.9 84.9 R4.9 84.9 94.91, 2q000 3 0.9 64.6 72.4 79.1 81.6 93.1 83.7 85. 1 85.1 85.4 3 8.6 95.6 85.6 85.6 85.6 95.6
GE 180fl 30. 1 65.5 73.7 79.9 82.9 84.3 84.9 86.4 86.4 96.6 86.8 86.8 86.8 06.8 86.9 F6.86f 11001 34.1 65.9 79.1 1.4 84.9 85.8 86.9 87.9 87.9 98.1 89.3 88.3 88.3 98.3 89.3 F6.3bI ]CO 1 34.7 66.7 75.7 83.3 86.7 87.7 88.3 90.0 90.0 90.2 9).9 90.4 90.9 90.4 90.4 90.4
IE 10001 34.9 67.4 76.6 94.1 87.T 48.5 89.1 90.8 90.8 91.0 91.2 91.2 91.2 91.2 91.2 91.2
(,F )OI 34.0 67.6 77.2 84.7 47.1 89. 1 89.7 91.6 91.6 9].8 9'.1 '12.1 92 1 92-1 92.1 92.1(f 9001 39.9 67.6 77.2 94.7 87.9 99.3 90.0 91.8 92.1 92.3 92.5 02.5 92.s 92.5 92.5 92.5(E 7001 34.9 68.0 77.6 96.0 89.51 91.0 91.6 93.9 94.1 94.6 94.9 94.8 94.9 94.8 94.8 94.8
GF 600 34.9 68.4 78 . 86.4 90.? 91.6 92.3 95.0 95.2 95.6 95.8 95.8 95.8 95.8 95.8 95.8
E 9,)c 34.9 68.4 78.2 86.1. 90.9 92.3 92.9 95.6 95.8 96,2 96.9 96.4 96.4 96.4 96.9 96.4GE 901 34. 9 68.4 74.2 86.6 90.0 92.5 93.1 95.8 96.7 97.5 97.7 97.7 97.7 97.7 97.7 97.7
fE 3uOI 34.9 68.4 7. 86.6 90.R 02.5 93.1 95.8 96.9 97.7 97.9 97.9 97.9 98.1 99.1 98.1uE 2 0 30.Q 68.4 78.2 86.6 97.q 92.5 93.1 95.8 97.1 97.9 99.1 98.1 98.1 98.3 98.3 98.3UE 1001 .9 68.4 79.; 86.6 90.9 92.5 93.1 95.8 97.1 97.9 9A.1 98.1 98.1 98.3 99.0 99.6
E ol 0 34 , 68. 4 7 .2 Pb b. 90. 2 9.5 93.1 95.8 97.1 97.9 99.1 98.1 98.1 98.3 99.0 100.0
..........................................................................................................................
T07AL NUMPtrR OF OPSFRVA 71395: 49
GLOtAL CLIMATOLOGY BRANCH PERCENTAGE FReQuENCY OF OCCJRRENCL OF CEILINb VERSUS VISIBILITYUSAFETAC FROM HoURLY OBSERvATIONSAlf? wEATHER SERVICE/MAC
STATION NUMBER: CA(3250 STATICN NAME: ZIERIKZE NL PEP1IOD OF RECORD: 80-84,86
MONTH: MAY HOURSILSTI: 03CO-0500
E ItING VISIBILITY IN STATUTE MILLS
I N J GE GE GE GE GE G_ GE GE GE GE GE FE GE GE GE GEFEET I I
n 6 4 2 1,2 2 1 112 1 1/4 I 1/4 5/8 1/2 5/1lb 1/4
NO CEIL 1 15.4 32.2 35.4 39.2 41.3 41.7 42.2 43.1 43.4 43.9 43.6 43.6 43.6 43.6 41.6 43.6
uE 200001 16.3 33.6 39.5 42.7 45.0 45.7 46.2 47.1 47.6 47.6 47.R 47.8 47.8 47.8 47.8 47.bGE 18c0031 16.3 33.6 384 .S 42.7 45..) 45.7 46.? 47.1 47.6 47.6 47.8 47.B 47.8 47.8 47.8 47.8
zE
160001 16.3 33.6 34.5 42.7 45.1 45.7 46.2 47. 1 47.6 47.6 47.8 47.8 47.8 47.8 47.8 47.8
(,E 14COCI 16.3 33.6 39.5 42.7 45.1) 45.7 46.2 47.1 47.6 47.6 47.4 47.8 47.8 47.8 47.8 47.8
C[ 120001 16.1 13.8 3,.7 42.9 45.; 46.2 46.6 47.6 48.0 48.0 49.3 4.3 48.3 48.3 498.3 46.3
GE Ic1001 17.9 39.9 44.8 49.9 52.4 53.1 53.6 54.8 55.5 95.5 55.7 55.7 55.7 55.7 55.7 5.7GE 9CO1 14.2 43.6 45.7 51.U 53.6 54.3 54.8 55.9 56-6 56.6 56.9 56.9 56.9 56.9 56.9 56.9(,E 8001 18.9 43.4 48.S 54.1 56.6 57.3 57.8 59.2 59.9 59,9 6n.1 60.1 63.1 60.1 60.1 60.1GE 70O01 14.9 43.4 49.5 54.3 56.9 S".6 58.0 59.4 60.1 60.1 6'.4 60.4 60.4 60.4 6C.4 bC.4U1 bnUO1 18.9 43.6 49.0 55.0 57.B 58.5 59.0 6. 4 b1.1 61.1 61.3 61.3 bi.3 61.3 61.3 61.3
GE 50001 19.8 45.0: 53.3 56.9 59.9 b0.6 61.1 62.5 63.2 63.2 b3.4 63.4 63.4 63.4 b3.4 63.4
6 E 45001 21.2 47.6 53.4 60.1 63.4 64.6 65.0 66.7 67.4 67.4 67.6 67.6 67.6 67.b 67.6 67.6CE 40UO1 ZZ.6 EL.7 56.3 65.5 68.F 59.9 70.4 72.0 73.0 73.2 73.4 73.4 73.4 73.4 7'.4 73.4GE 35001 23.1 ,55.5 62.0 69.2 72.1
, 73.7 74.1 75.8 76.7 76.9 77.2 77.2 77.2 77.2 77.2 77.2
bE 3V01 24.2 57.6 65.1 71.3 74.8 76.0 76.7 78.3 79.3 79.5 7Q.7 79.7 79.7 79.7 74.7 79.7
GE 2r001 25.4 60.4 67.1 74.8 78.6 do0.0 80.7 82.3 83.2 P3.4 87.7 83.7 83.7 83.7 83.7 83.7FE 20001 2S.6 61.3 68.3 76.U 79.7 81.1 81 .8 83.4 84.4 S4.6 84.8 84.4 84.8 84.8 84.8 '4.8:E IPOO I 25.6 61.S 68.8 76.5 80.4 91.8 82.5 84.1 85.1 85.3 8S.5 PS 5 85.5 85.5 85.5 85.5
GE 1I 1 26.1 63.2 7O.4 78.6 82.r 83.9 84.6 86.2 87.4 87.9 89.1 P8.1 88.1 P8.1 84.1 88.1UE 17 00] 1 26.1 63.2 70 .4 78.6 83.1 44.6 85.3 86.9 88. 1 88.6 89.8 88.8 88.8 88.8 89.8 88.8
FIE 1001 26.3 63.9 71 .1 79.5 84.4 86.0 86.7 88.6 89.7 q9.3 90.4 90.4 90.4 90.4 90.4 90.4
bf 9001 6.3 64.1 71.3 80.0 84.9 86.5 87.2 89.5 90.9 91.4 91.6 91.6 91.6 91.6 91.6 91.bGE PO l 26.3 64.1 71.! 80.4 85.3 87.2 88.1 90.4 91.8 92.3 92.5 92.5 92.5 92.5 92.5 9_.5
bG 7OO 26.3 65.U 72.3 81.8 86.7 88.8 90.0 92 5 94.2 94.6 94.9 94.9 94.9 94.9 94.9 94.96E 6001 26.3 65.60 72.3 81.8 86.7 89.0 90.4 9.0 94.6 95.1 99.3 35.3 95.3 95.3 95.3 95.3
GE 5U0 26.3 65.0 77.3 82.1 87.? 9.5 90.9 93.7 95.3 96.7 97.0 97.2
97.2 97.4 97.4 97.4GE 4001 26.3 6,5.0 77.3 82.1 87.? 89.5 90.9 93.9 95.6 97.0 97.2 97.4 97.7 97.9 97.9 97.9GE 1001 26.3 65.0 72.3 92.1 87:2 89. 5 90.9 93.9 95.6 97 0 97.2 97.7 97.9 98.1 98.1 98.1GE 2001 26.3 65.0 72.3 82.1 87.2 49.5 90.9 93.9 95.6 97.0 97.? 97.7 98.1 98.4 98.4 95.4
GE 1001 26.3 65.) 72.3 42.1 87.2 49.5 90.9 93.9 95.6 97.0 97.4 97.9 98.4 98.8 98.8 49.8
GE TI 26.3 65.0 77.3 42.1 87.' 89.5 90.9 93.9 95.6 97.- 97.4 97.9 98.4 98.8 94.8 100.0
TOTAL NUMPEO OF URSERVATIONS: 429
2~
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VFRSUS VISIgILITY
USAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEC NL PLOO OF PECORO: 78-66
MONTH: MAY HOURS(LSTI: 0600-0800
...... ................................................................................................................CEILING VISIBILITY IN STATUTE MILES
IN I GL GE GE
GE GE Gz GE GF GE GE ,E GE GE GE GE GE
FEET 3 10 6 5 4 3 2 112 2 I 1/2 1 1/4 1 3/4 518 1/2 S/16 1/4 0
..... ................................................................................................................
N0 CEIL 1 12.1 23.5 25.4 28.0 31.2 32.3 32.5 34.0 34 7 35.3 35.3 35.6 35.6 35.8 35.8 36.0
GE 200GOI 13.4 27.4 29.9 33.0 36.9 38.1 38.2 39.7 40.9 41.6 41.8 N2 .4 42.4 42.7 42.7 42.9GE 180001 13.4 27.6 33.0 33.2 37.1 38.2 38.4 39.9 41.0 41.8 4?.0 42.5 42.5 42.9 42.9 N3.1
4E 16100 13.4 27.6 33.0 33.2
37.1 38.2 38.4 39.9 41.0 41.8 42.0 2.5 42.5 42.9 42.9 43.1
GE 14000I 13.6 Z7.8 33.Z 33.4 37.! 38.4 38.6 40.1 41.2 42.0 4?.2 42.7 42.7 63.1 63.1 43.3
GE 120001 13.6 28.4 31.0 34.1 38.1 39.4 39.6 41.2 42.7 43.5 43.7 44.2 44.Z 44.6 44.6 4N.8
GE 100001 14.6 34.1 37.1 41.0 46.5 48.3 48.5 50.4 52.1 52.8 53.0 53.5 53.7 S4.1 54.1 54.3
GE 9COOI IS.3 35.4 38.6 42.7 48.1 50.0 50.2 52.2 53.9 S4.9 55.0 55.6 55.8 56.2 56.2 56.36E 80001 16.6 38.2 41.8 47.2 52.6 54.5 54.7 56.9 59.0 59.9 60.1 60.6 b.0 61.4 61.4 61.6
GE 70001 16.6 38.2 41.8 47.4 52. 54. 7 54.9 57.3 $9.3 60.3 60.4 61.0 61.4 61.8 61.8 61.9
GE 6(1000 16.6 38.8 42.4 47.9 53.4 55.2 55.6 58.2 60.3 61.2 61.4 61.9 62.3 62.7 62.7 62.9
GE 5001 17.4 41.0 44.6 50.7 56.7 s8.6 59.0 61.8 63.8 65.1 69.3 65.9 66.2 66.6 66.6 66.8
GE 45001 17.4 41.8 45.3 51.7 97.6 59.5 59.9 62.7 64.7 66.0 6. 2 bb.8 67.2 67.5 67.5 67.7GE 4C O3 138.7 45.3 49.1 55.6 61.9 64.2 64.6 67.4 69.4 70.7 70.9 71.6 72.0 72.4 72.4 72.6GE 35003 20.5 47.9 51.7 58.4 64.7 67. 6 67.7 7C.9 73.1 74.4 74.6 75.4 75.7 76.1 76.1 76.3GE 30001 21.1 48.9 52.6 59.7 66.C 68.7 69.0 72.2 74.4 75.7 7,.9 76.7 77.1 77.4 77,4 77.b
GE 2COI 22.4 50.9 54.7 62.1 68.7 71.3
71.6 75.0 77.2 78.5 78.7 79.7 8U.0 80.4 80.4 8C.6
r,E 20001 22.8 52.1 55.8 63.4 70.0 72.6 72.9 76.5 78.7 80.0 80.2 81.2 81.5 81.9 81.9 82.1
GE 16001 22.9 53.2 56.9 64.7 71.5 74.3 74.4 78.2 80.4 81.7 81.9 82.8 83.2 83.b 83.6 83.8
GE I00| 23.3 59.1 59.2 66.2 72.9 75.6 76.1 80.2 82.5 f3.8 84.0 84.9 85.3 85.6 85.6 85.8GE 120 1 23.9 S5.2 59.3 67.5 74.4 77.2 77.8 81.9 84.3 65.6 85.8 86.8 87.1 97.5 87.5 87.7
GE 1000 23.9 55.2 59.3 67.9 74.8 77.6 78.2 82.3 64.9 86.6 86.8 87.7 88.1 88.4 88.4 86.6GE 9033 23.9 55.4 59.5 68.1 75.2 78.4 78.9 83.0 85.6 87.7 87.9 88.8 89.2 89.6 89.6 89.7
uE 8003 23.9 55.8 59.9 68.7 75.7 78.9 79.7 84.1 87.1 89.2 89.4 90.3 90.7 91.0 91.0 91.2bE 7 U0S 23.9 56.L 63.1 69.2 76.5 79.9 80.6 85.1 86.1 90.1 90.5 93.4 91.8 92.2 92.2 92.4
GE 6GO 23.9 56.2 63.3 69.4 76.7 80.0 81.0 86.2 89.4 91.8 92.2 93.1 93.7 91.3 94.0 94.2
GE 5U0 23.9 56.2 63.3 69.4 76.7 80.2 81.2 86.4 89.7 72.2 92.7 93.7 94.4 94.8 94.8 95.0GE 4003 23.9 56.2 63.3 69.4 76.7 80.2 81.2 86.6 89.9 92.7 93.3 94.2 95.9 95.9 95.9 96.1GE 3 01 23.9 56.2 b3.3 69.4 76.7 80.2 81.2 86.6 89.9 92.7 93.3 94.2 95.7 96.6 96.6 96.6
GE 2311 23.9 56.2 60.3 69.4 76.7 80.2 81.2 86.6 89.9 92.7 93.3 94.4 96.1 97.4 97.4 98.5
GE 1003 23.9 56.2 63.3 69.4 76.7 80.2 81.2 86.6 89.9 92.7 9 .3 Q4.4 96.1 97.4 97.4 99.6
bE 03 23.9 56.2 63.3 69.4 76.7 80.2 81.2 86.6 89.9 92.7 93.3 94.4 96.1 97.4 97.4 100.0
TOTAL NUMBER OF OBSERVATIONS: S36
41mK
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STAI ION NAME: ZiLRIKZE- NL PERIOI OF RECOPO: 78-84,86MONTH: MAY HOURSILSTI: 0900-1100
CEILINGVIIITYNSTTEMLS
I Pi GE GE GE GE GE G7 3E GE GE GE GL GE GE GE GE GEFEET 10 6 S 4 3 2 112 2 1 112 1 1/4 1 3/4 518 112 5/16 1/4 0
NO CEIL 1 18.5 30.8 32.0 34 .2 35.4 35.6 36.0 36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3 36.3
GE 200001 22.6 39.7 41.3 44.2 45.6 46.Z 46.6 47.3 47.7 47.7 47.7 47.7 47.7 47.7 47.7 47,7GE 18C001 22.6 39.9 41.5 44.4 45. 46. 4 46.8 47.5 47.9 47.9 47.9 47.9 47.9 47.9 47.9 47.9bE 160001 22.6 39.9 41.S 44.4 45.9 46.4 46.8 47.5 47. 97.9 4.Q 47.9 47.9 47.9 47.9 47.9GE 140001 22.8 40.3 42.3 44.8 46.7 46.8 47.3 47.9 48.3 48.3
49.3 48.3 48.3 48.3 48.3 46.3
GE 120001 23.2 42.0 43.6 46.6 48.1 48.7 49.1 49.7 50.5 50.5 50.5 50.5 50.S 50.5 5,.5 50.5
GE IOCOO 24.6 45.2 47.3 51.1 53.0 54.2 54.6 55.4 56.4 56.4 56.6 56.8 56.8 56.8 56.8 56.8GE 9uO01 25.1 46.0 48.1 52.3 54.? 55.4 55.8 56,8 57.8 57.8 58.0 58.2 58.2 r8.2 58.2 5b.2
fE ACOO 25.9 47.3 49.9 54.4 56.2 57.6 58.0 59.1 60.5 60.5 6-7 60.9 60.9 60.9 60.9 60.9GE 7001 26.1 47.5 53.3 54.8 56.8 58.2 58.7 59.7 61.1 61.1 61.3 61.5 61.5 61.5 61.5 61.5GE 6r001 26.1 47.9 53.7 55.9 57.4 58.9 59.3 60.3 61.7 61.7 61.9 62.1 62.1 62.1 61.1 62.1
GE 50001 26.1 49.1 52.3 57.U 59.1 60.5 60.9 61.9 63.3 63.3 b.5 63.7 63.7 63.7 63.7 63.7. 45001 27.3 51.1 54.8 59.7 6I.7 63.1 63.5 69.6 66.0 66.0 66.2 66.4 66.4 66.4 b6.4 66.4
G E 40001 28.9 53.8 57.4 62.7 65.0 66.4 66.8 68.2 69.9 69.9 7n.1 70.3 70.3 70.3 70.3 7U.3GE 35001 29.9 55.4 59.3 64.8 67.2 68.6 69.0 70.5 72.1 72.1 72.3 72.5 72.5 72.5 72.5 72.5GE 30001 30.8 57.6 62.1 67.6 70.1 71.9 72.3 73.7 75.4 75.4 75.6 75.8 75.8 75.8 75.8 75.8
i E 2S001 32.8 61.5 66.0 71.5 73.9 76.0 76.6 78.0 79.6 79.6 79.8 80.0 80.0 4O.0 60.0 80.0GE 20001 33.6 63.7 69.7 75.8 78.4 d0.4 81.1 8Z.5 84.1 84.1 84.5 14.7 84.7 R4.7 84.7 84.7.E 18001 34.8 65.4 71.3 77.6 80.2 82.3 82.9 84.3 86.2 86.2 86.6 86.8 86.8 96.8 86.8 E6.8
GE 15001 35.2 67.0 73.1 79.4 82.3 84.9 85.7 87.2 89.2 89.2 89.8 90.0 90.0 90.0 90.0 90.0GE 12001 35.2 67.6 73.7 80.0 82.9 85.5 86.' 88.0 90.4 90.6 91.2 91.4 91.4 91.4 91.4 91.4
.E 10001 35.6 68.c 74.1 80.4 83.3 85.9 86.8 88.6 91.0 1.2 91.9 92.1 92.1 92.1 9?.1 92.1GE 900 35.6 68.6 74 .7 81.1 83.9 46.6 67.4 99.4 91.9 92.1 92.7 92.9 92.9 92.9 92.9 92.9GE 8001 35.6 68.8 74.9 81.3 84.5 97.2 88.0 90.4 93.1 93.7 94.3 94.5 94.5 94.5 94.5 92.5GE 7UO 35.6 68.8 74.9 81.7 85. 1 a7.8 88.6 91.4 94.1 94.9 95.5 95.7 95.7 95.7 95.7 95.7GF 6dO1 35.6 69.0 75.2 81.9 85.3 86.0 88.8 91.6 94.3 95.1 95.7 96.1 96.1 96.1 96.1 96.1
,E 5001 35.6 69.0 75.2 81.9 85.3 88.0 88.8 91.6 94.5 96.1 96.7 97.1 97.1 97.1 97.1 97.1GE 4001 35.6 69.U 75.2 81.9 85.3 88.0 88.8 91.6 94.5 96.1 96.9 97.4 97.4 97.6 97.6 97.6
GE '00 35.6 69.C 75.2 81.9 85.3 88.0 88.8 91.6 94.5 96.5 9R.2 98.8 99.0 99.4 99.6 99.6GE 200 35.6 69.0 75.2 81.9 85.3 88.0 88.8 91.6 94.5 96.5 94.2 98.8 99.0 99.4 99.6 99.6GE 1O 35.6 69.0 75.2 81.9 85.7 88.0 88.8 91.6 94.5 96.5 9R.2 98.8 99.0 99.6 99.8 100.0
GE 01 35.6 69.0 75.2 81.9 85.3 88.0 88.8 91.6 94.5 96.5 9R.2 98.8 99.0 99.6 99.8 100.0
TOTAL NUMBER OF OBSERVATIONS: 491
-- .,llmmmmmmm, a L.
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VFRSUS VISIBILITYUSAFE EAC FROM HOUqLV ObSLRVIIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 78-86MONTH: MAY HOURSILSTI: 12JO-1400
....................... . . . . ............ .... .............. ........ .............. .........................
CEILING VISIBILITY IN STATUTF MILESIN GE GE GE GE GE GE GE GE GE GE GL GE GE GE GE GE
FEET IC 5 3 2 12 2 1 1/2 1 1/4 1 3/4 5/8 1/2 ;/16 1/4 0
NO CLIL 72.2 33.5 3M .6 35.4 36.9 37. 1 37.2 37.6 37.6 37.6 37.6 37.b 37.6 37.6 37.6 37.6
IE 20000 26.I .0 2.3 4.3 46.6 46.9 47.3 48.0 48.0 48.0 MR . 4.0 48.0 48.2 49.3 48.0GE 18000 26.1 41.0 46.3 44.3 46.6 46.9 47.3 48.0 48. .0 4 4R 0 94.0 48.0 480 49.0 4.0
GE IbO00 26.1 41.0 42.3 44.3 46.6 46.9 47.3 48.0 8.0 48.U 49 . 48.0 48.0 48.0 49.0 48.0GE IJool 26.1 41.U 42.3 44.5 46.9 47.3 47.7 48.4* 48.4 48.4 4A.4 48.4 49.4 48.4 48.4 48.4GE 120001 26.4 42.5 43.8 46.2 48.6 49.0 49.3 50.1 50.1 s0.1 5n.1 50.1 53.1 40.I SQ.1 50.1
5E 100001 30.0 47.3 49.8 52.1 55.1 55.9 56.2 57.0 51.2 57.2 57.2 57.2 S7.2 57. 2 7.2 57.2GE 90001 30.2 47.7 49.5 52.9 55.9 56.8 57.4 58.3 58.5 58.5 54.7 68.7 54.7 58.7 59.7 58.7GE 80001 31.5 49.3 51.4 54.9 57.9 58.8 59.6 60.5 60.7 60.7 b.9 60.9 6c.9 60.9 60.9 60.9GF 73001 31.7 49.6 51,6 55.i 58.1 $9.0 59.8 60.7 60.9 60.9 61.1 61.1 61.1 61.1 61.1 61.1GE 60001 31.7 49.5 51.6 55.1 58.1 59.0 59.8 60.7 60.9 60.9 61.1 61.1 61.1 61.1 61.1 61.1
GE 5OO 32.6 51.4 53.6 57.7 61.1 62.0 62.8 63.9 64.1 64.1 64.2 64.2 64.2 64.2 64.2 64.2GE 4!S0O 32.8 52.5 54.9 59.2 62.6 63.5 64.2 65.4 65.7 65.7 6 .9 65.9 65.9 65.9 65.9 65.9GE 40001 35.2 55.9 58.3 62.8 66.1 67.4 68.5 69.8 70.2 70.4 70.6 70.6 70.6 70.6 70.6 70.6GE 35001 35.8 57.5 63.0 64.4 67.8 69.1 70.2 71.5 71.9 72.1 72.3 72.3 72.3 72.3 72.3 72.3GE 30001 37.1 60.7 63.1 68.0 71.7 73.2 74.3 76.0 76.5 76.9 77.1 77.1 77.1 77.1 77.1 77.1
GE 25001 37.8 62.4 65.0 70.0 73.7 75. 4 76.9 78.6 79.1 79.5 79.9 79.9 79.9 79.9 79.9 79.9GE Zr0111 39.3 65.5 68.5 73.9 77.A 79.5 81.0 82.7 83.2 83.6 84.0 q.o 84.3 84.0 V9.0 E4.0GE 18COI 39.9 68.3 72.5 76.9 80.8 82.5 84.2 85.8 86.4 86.8 87.2 87.2 87.2 97.2 87.2 87.2GE 1 01 40.6 71.1 74.3 80.4 84.6 86.4 88.1 89.8 90.3 '0.7 91.1 I.1 91.1 41.1 91.1 91.1GE 17CO 1 41.0 72.6 75.8 82.1 86.5 89.0 90.7 93.5 94.0 94.4 94.A 94.8 94.8 94.8 94.8 94.8
GE 10001 41.2 72.8 75.0 82.5 87.2 99.9 91.6 94.6 95.2 95.5 95.9 95.9 95.9 95.9 96.9 95.9GE 9001 41.2 72.8 75.2 82.7 87.7 90.1 92.0 95.0 95.7 96.1 96.5 96.5 96.5 96.5 96.5 96.5GE 8001 41.2 73.0 76.4 83.1 87.9 90.7 92.6 95.7 96.6 97.0 97.8 97.8 97.1 97.8 97.8 97.8bE 7001 41.2 73.0 76.7 83.4 88.5 91.2 93.1 96.6 97.8 98.1 99.9 98.9 98.9 98.9 95,9 98.9GE 6001 41.2 73.5 76.7 83.4 89.6 91.4 93.3 97.0 98.1 98.5 99.3 99.3 99.3 99.3 99.3 99.3
GE I001 42.2 73.0 75.7 83.6 88.A 91.6 93.5 97.2 98.5 99.3 IJO.0 100.0 100.0 100.0 200.0 100.0UE 4001 42.2 73.0 76.7 83.6 88.8 91.6 93.5 97.2 98.5 99.3 200.0 100.0 100.0 100.0 10 .0 100.0bE 3201 41.2 73.0 7 .7 83.6 88.8 91.6 93.5 97.2 98.5 99.3 200.0 100.0 103.0 IO.0 100.0 100.0GE 2001 41.2 73.U 76.7 83.6 88.8 91.6 93.5 97.2 98.5 .99.3 100.0 100.0 100.0 100.0 100.0 100.0GE 1001 41.2 73.0 75.7 83.6 88.R 91.6 93.5 97.2 98.6 99.3 100.0 100.0 100.0 200.0 100.0 10.0
GE 01 41.2 73.0 76.7 83.6 88.P 81.6 93.5 97.2 98.5 09.3 2o0.0 100.0 100.0 100.0 100.0 100.0
TOTAL NUMBER OF OBSERVATIONS: 537
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE 0F CEILING VFRSUS VISIBILITY
USAFLIAC FROM HOUqLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STAT1I4 NAME: ZIERI2E- NL PEIO0 Or RECORD: 78-84,86MONTH: MAY HOURSILST): 1500-17
03
CEILING IIIIYI IIT IL
IN i GE 6E GE GE GE GE GE GE GE GE rE GE GE GE Gf GE
FEET 1 10 6 5 8 3 2 112 2 1 112 1 1/4 1 X/4 5/8 112 9/16 1/ 0.... °...............................................°.°.....°....°.......... o.............°.....°I.e..°...........
NO CEIL I 25.3 36.6 38.3 40.2 ql.1 41.5 41.9 Z.6 82.6 42.6 87.6 42.6 42.6 42.6 42.6 42.6
GE 200001 30.6 88.5 86.8 49.1 SQ.r 50.8 50.9 51.5 51.6 51.5 51.S 51.5 51.9 51.5 51.5 51.5
.E 180001 30.9 88.7 85.6 49.4 50.Z 90.6 51.1 51.7 51.7 51.7 51.7 S1.7 51.7 S1.7 51.7 51.7
OE 160001 30.9 44.7 46.6 49.8 50.7 90.6 51.1 51.7 51.7 51.7 51.7 51.7 51.7 51.7 51.7 51.7
tE 18C001 30.9 45.3 87.2 90.0
50 . 51.5 51.7 52.3 52.3 52.3 52.3 52.3 52.3 52.3 52.3 52.3
GE 127001 31.3 87.9 89.8 92.b 53.8 %3.8 58.3 58.9 5%.9 59.9 5.9 58.9 58.9 58.9 58.9 58.9
bE 100001 34.7 52.8 55.1 58.1 58.9 59.8 59.8 6I.1 61.3 63.3 63.5 61.5 61.5 61.5 61.5 61.5bE 90001 35.3 58.0 56.8 60.2 61.1 61.5 61.9 63.2 63.4 63.8 6;.6 63.6 63.6 63.6 63-6 63.6
GE 8000 36.8 56.8 59.1 62-6
b3.b 68.5 65.3 66.6 67.0 67. 0 67.2 67.8 67.8 67.8 67.4 67.8
GE 7-001 36.8 56.8 57.1 62.8 63.6 68.7 65.5 67.0 67.8 67.8 67.7 67.9 67.9 67.9 67.9 67.9-r 60001 36.8 56.4 59.1 63.0 68.- 65.1 66.0 67.8 67.9 67.9 6A.1 68.3 68.3 68.3 68.3 68.3
6E 50001 38.1 8.3 61.5 65.3 66.& 67.9 68.7 70.8 70.9 70.9 it.1 71.3 71.3 71.3 71.3 71.3
GE 45001 80.0 60.9 68.5 68.5 69.9 71.3 72.1 73.8 78.3 74.3 79.5 71.7 74.7 78.7 8.7 74.7GE 4VO01 81.3 63.8 67.8 71.9 73.: 78.7 7S.7 77.9 78.3 78.3 78.5 78.7 78.7 78.7 78.7 78.7GE 35001 81.9 68.9 65.9 73.6 74.9 76.6 77.9 80.0 80.8 90.4 9.6 80.9 80.9 80.9 80.9 80.9uE 30001 83.8 67.4 71.5 76.6 78.7 80.8 81.7 88.0 88.5 84.5 8.7 88.9 84.9 84.9 84.9 8N.9
G E ZSU01 6.0 70.8 78.7 80.9 83.4 85.3 86.6 88.9 89.8 89.4 89.6 89.8 89.8 89.8 89.8 e9.8GE 20001 87.8 72.1 76.4 t2.6 85.1 87.0 88.3 90.6 91.1 91. 91.3 91.5 91.5 91.5 91.5 91.5GE 18001 87.7 72.6 77.0 83.8 86.3 88. 1 89.8 91.7 92.1 92.1 92. 3 92.6 92.6 92.6 92.6 92.6GE 15001 8.1 73.6 75.1 88.7 87.9 90.0 91.3 93.6 94.0 98.0 94.3 98.5 98.6 98.5 98.5 98.5
bE 12001 88.5 74.3 79.1 85.7 88.9 91.1 92.3 94.9 95.3 95.3 9..5 95.7 95.7 95.7 95.7 95.7
GE 10001 88.5 ?.7 83.0 87.0 90.? 92.3 99.6 96.2 96.6 96.6 97.0 97.2 97.2 97.2 97.2 97.2
GE 9001 88.5 75.1 83.8 87.8 90.9 93.2 98.5 97.2 97.7 97.7 98.1 98.3 98.3 98.3 98.3 98.3GE 800l 8.5 7S.5 80.9 88.1 91.5 93.8 99.1 98.1 98.5 98.7 99.1 99.8 99.8 99.8 99.8 99.8GE 700I 9. 75.6 83.9 88.1 91.5 93.8 9S.1 98.1 96.5 98.7 99.1 99.8 99.8 99.4 99.4 99.8GE 6001 88.5 75.5 83.9 88.1 91.5 93.8 95.1 98.1 98.5 98.7 99.1 99.8 99.8 99.8 99.4 99.4
( 5001 8,5 76.5 83.9 88.1 91.S 93.8 95.1 98.3 98.7 98.9 99.8 99.6 99.6 99.6 99.6 99.6
1[ 5001 48.5 75.5 83.9 88.3 93.3 93.8 95.1 98.5 99.1 99.6 99.8 100.0 100.0 300.0 100.0 1O0.0
GE 3001 88.5 75.5 83.9 88.1 91.! 93. 8 95.1 98.5 99.1 99.4 99.8 100.0 100.0 300.0 100.0 300.0GE 3001 88.5 75.5 83.9 88.1 91., 93.8 95.1 98.5 99.1 99.4 99.9 100.0 100.0 100.0 100.0 100.0
GE 101 48.5 75.5 83.9 88.1 91.% 93.8 95.1 98.5 99.1 99.8 90.8 30.0 100.0 100.0 300.0 100.0
GE o 88.5 75.5 83.9 88.1 91., 93.8 95.1 98.5 99.1 99.8 99.8 100.0 100.0 100.0 100.0 100.0
101L NUM9BR Or OBSERVATIONS: 70
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY
JSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIER3KIEE NL PE9IOO OF RECORD: 78.80-86~MONTH: MAY HOURSILSTI: 1800-2200
..... .. .. . .... ... ...... . ................ , .., ..., ..... *.. ............ .. .. .. .. .,, .* ... ...... ,........ .
CEILINJG VISIBILITY IN STATUTE MILLS
IN I GE GE 3E GE GE G: GE GE GL GE GE GE GE GE GE GEFEE I 1 6 S 4 3 2 1;2 2 1 112 1 1/ 1 T/4 5/8 1/2 5/16 1/4 0
NO CEL I 27.4 38.7 43.3 41.2 42.4 42.8 43.0 43.8 44 .4 447 44.9 t4.9 44.9 44.9 49.9 44.9
1 20001 34.- 48.4 53.8 52.1 53.3 53.7 54.1 55.3 56.8 56.2 5.4 6.4 56.4 56.4 56.4 S6.4GE 180013 34.2 48.4 53.8 5Z.1 53.3 3.7 54.1 55.3 55.8 56.2 5 .4 56.4 56.4 T6.4 56.4 5b.4G 16001 34.2 48.4 53.8 52.1 53.3 53.7 59,| 55. 3 55.8 56.2 5.4 66.4 S6.4 56.4 56.4 56.4[,E 140001 34.2 48.4 50.8 S2.1 53.1 53.7 54.1 55.3 55.8 S6.2 S6.4 6.4 S6.4 b.4 56.4 56.4
GE 12001 34.2 49.6 51.9 53.5 54.9 55.3 55.6 57.0 57.6 58.0 5P.2 98.2 58.2 S8.2 59.2 b.2
UE 100001 37.7 S6.0 54.8 60.5 61.9 62.3 62.8 64.4 65.2 65.6 66.8 65.8 65.8 65.8 b5.8 65.8GE 90001 37.9 57.2 63. 62.6 64.2 64.8 65.4 66.9 6?77 68.3 b6.5 68.5 68.5 68.5 bP.5 68.5GE 801 40.9 62.1 65.4 68.3 70.6 71.4 72.4 74.3 75.1 75.7 7A.! 76.1 76.1 76.1 76.1 76.1GE 70001 41.1 62.3 66.0 68.5 7O.R 71.6 72.6 74.5 75.3 75.9 7.3 76.3 76.3 76.3 76.3 76.3GE 600 41.1 62.3 66,U 68.5 70.8 71.6 72.6 74.5 75.3 75.9 76.3 76.3 76.3 76.3 76.3 76.3
GE SEf00l 41.8 63.6 61.3 69.8 72.2 73.0 73.9 76.3 77.0 77.6 79.0 78.0 78.n 78.0 7t.0 78.0rC 4s001 41.8 65.6 69.5 72.0 74.7 75.1 76.3 78.8 79.6 R0.2 BC.5 lu.5 80.5 80.5 8.5 8U.51E 4000 45.1 68.5 12.6 7s.5 77.8 78.8 80.2 82.9 83.7 84.2 84.6 84.6 84.6 84.6 84.6 k4.bGE 3-OOI 45.9 69.8 74.1 77.2 79.6 80.5 81.9 84.8 85.6 86.2 86.6 86.6 86.6 A6.6 86.6 86.6uE 30uo1 46.7 71.4 75.9 79.0 81.7 82.3 83.9 87.2 87.9 88.7 8q.1 89.1 89.1 89.1 89.1 89.1
uE 2o001 46.7 72.L 76.S 80.4 82.9 83.9 85.4 88.7 89.5 90.3 90.7 90.7 90.7 9u.7 90.7 qC.7GE 20U01 46.7 72.8 77.2 81.1 83.9 84.6 86.4 89.7 90.5 91.2 91.6 91.6 91.6 91.6 91.6 91.6GE 1RO 46.7 72.8 77.2 81.1 83.9 84.8 86.8 90.1 90.9 91.6 92.0 92.0 92.0 92.0 97.0 92.0GE 15001 47.1 73.9 78.6 83.3 85.9 86.8 88.7 92.0 92.8 93.6 94.0 94.0 94.0 94.0 94.0 94.3GE 120n1 47.3 74.? 79.4 84.4 87.2 88.1 90.1 93.4 94.2 94.9 91.3 95.3 95.3 95.3 9%.3 95.3
GE 10001 47.! 74.9 850 86.0 87.7 88.7 90.7 94.0 94 .7 95.5 9 .9 q6.9 95.9 95.9 96.9 Q5.9GE 9001 47.3 75.83 1 .4 85. 88.3 89.3 91.2 94.6 9S.3 96.1 96.S 96.5 96.5 96.5 96.5 96.5G 80U0 47.3 75.3 83.5 85.6 89.1 90.1 92.0 95.5 96.7 97.5 97.q 97.9 97.9 97.9 97.9 97.9
GE luo 47. 3 75.3 82.s 85.6 89.6 90.5 92.4 95.9 97.1 97.9 98.7 98.2 98.2 98.2 98.2 98.2,E 6001 47.3 75.3 80.5 85.6 89.7 90.7 92.8 96.3 97.5 98.2 9-.6 98.6 98.6 98.6 99.6 98.6
CE 5GO 47.3 75.3 6.5 85.6 89.7 90. 7 92.8 96.3 97.5 98.4 9q.0 99.U 99.0 09.0 99.0 99.GE o01 47. 7.3 82.5 95.6 89.7 90.7 92.8 96.3 97.5 98.4 99.0 99.0 99.0 99.0 99.0 99.GE 160 I 47.3 75.3 80.5 85.6 89.7 90.7 92.8 96.3 97.5 98.6 99.6 99.6 99.8 99.8 99.8 99.8GE 2001 47.3 75.3 81.5 R5.6 89.7 90.7 92.8 96.3 97.5 98.6 99.6 99.6 99.8 99.8 99.8 99.8E 301 7.3 75.3 83.5 85.6 89.7 90.7 92.8 96.3 97.5 98.6 99.6 99.6 99.8 300.0 300.0 100.0
GE a 47.3 75.3 80.5 85.6 89.7 90.7 92.8 96.3 97.5 98.6 99.6 99.6 99.9 100.0 I0.0 110.0
TOTAL NUMPER OF OBSERVATIONS: 514
*L
I|
GLObAL CLIMATOLOGY BRANCH PERCENTAGE FRIQUENCY OF OCCURRENCE OF CEILING VrFSUS VISIBILITYuSAFETAC FROM HOURLY OBSCRVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBLR: 063259 SI| 1 NAME: ZI[RIKZEE NL PEQIO0 OF RECORO: 78,80-44.86MONTH: PAY HOURS(LSTI: 2100-2300
IN I GE GF GE GE GE 6- GE GE GE GE rI GE GE GE GE GEFELT I 1 63 5 4 R 2 112 2 1 1/2 I 1/4 1 3/4 5/8 1iZ 4/lb 1/4 0
NO CEIL I 29.2 43.1 44.9 4b.0 47.? 47.2 47.4 47.8 47. 48.1 49.5 48.1 48.7 48.7 48.7 49.5
UE 200001 33.7 49.7 51.9 53.3 54.4 4. 4 54.9 55. 4 5.4 S5.6 46.0 6. 3 56.3 56.3 56.3 56.5uE 180001 30.7 49.7 51.9 53.3 54.4 54.4 54.9 55.4 55.4 5.6 56.0 96.3 6.63 56.3 56.3 S6.5GE 160o00 33.7 49.7 51.9 S3.3 54.4 S4.4 54.9 55.4 5S.4 55.6 56.0 956.3 56.3 56.3 6.3 5b.5GF 14001 33.7 49.7 51.9 S3.3 54. 44.4 54.9 55.41 54.4 55.6 59.0 46.3 56.3 46.3 56.3 56.5
GE 12o001 33.7 50.3 52.b S4.0 55.4 55.41 55.8 56.3 56. 3 56.S 5.9 57.2 57.2 S7.2 57.2 57.4
GE 10000 35.4 55.6 57.9 59.5 60:M 61.0 61.4 62.b262.? 62.4 b.9 63.3 63.3 63.3 63.3 63.6GE 9CO01 34.4 4.2 67.1 61.7 63.8 64.2 64.7 65.4 65.4 65.6 66.1 66.5 66.5 66.5 66.5 66.7bE 8001 36.9 59.9 63.6 65.1 67.1 68.3 68.8 69.9 69.9 70.4 7,. 71.3 71.3 71.3 71.3 71.5
6E 70GO1 37.6 60. 64.5 66.3 68.4 69.7 70.2 71.3 71.3 71.8 77.2 72.7 72.7 7Z.7 72.7 72.9bo 60001 37.6 60.6 64.5 66.3 68.8 69.7 70.2 71.3 71.3 71.8 72.2 72.7 72.7 72.7 72.7 72.9
GE 50OO1 39.0 62.9 66.5 68.3 70.4 71.8 72.2 73.3 73.3 73.8 74. 3 74.7 74.7 74.7 74.7 74.9GE 4 [I 39.6 h.2 67.9 69.7 72.2 73.1 73.6 74.7 14.7 75.2 75.6 76.1 76.1 76.1 76.1 76.3GE 4n001 42. 69.7 73.8 76.5 79.3 80.41 80.9 82.0 82.5 42.9 87.4 83.8 83.8 83.8 83.8 84 .
G1 35601 43.3 71.5 75.6 78.8 81.5 82.7 83.1 84.0 85.6 46.1 86.6 87.2 87.2 87.2 87.2 87.5Gr 30001 44.2 73.1 77.4 80.9 83.6 84.7 85.2 87.0 87.9 88.4 88.8 89.5 89.5 89.5 89.5 89.7
UE 250 1 44.6 7'.U 79.4 81.8 85.2 86.3 86.8 88.b 89.4 90.0 9f.4 91.1 91.1 91.1 91.1 91.3
GE 2'O01 44.9 74.9 79.3 82.9 86.6 87.7 88.2 90.0 90.9 91.3 91.8 92.5 92.S 92.5 9Z.5 92.7GE 14001 44.9 74.9 79.7 83.6 87.2 88.4 84.8 90.7 91.6 92.0 92.5 93.2 93.2 93.2 93.2 93.4
t, 14001 44.9 75.4 87.4 84.3 87.9 89.1 89.5 91.3 92.3 92,7 93.2 93.8 93.8 93.8 93.8 94.1
GE 12001 45.6 77.7 82.9 86.8 90.7 91.6 92.3 94.1 95.0 95.4 9.9 96.6 96.6 96.6 96.6 96.8
OF iron, 45.6 77,7 82.9 86.8 90.7 91.8 92.3 94.1 95,0 95.4 94.9 96.6 96.6 96.6 96.6 96.8
.E 9001 495.6 78.4 83.6 87.5 91.3 92.5
92.9 94.8 95.7 9b.1 96.6 97.3 97.3 97.3 97.3 97.5L.E QOI 45.6 78.4 83.6 87.5 91.1 92.5 92.9 94.8 95.7 96.1 96.6 97.3 97.3 97.3 97.3 97.5
CE 7001 45.6 78.4 83.6 87.5 91.6 93.2 93.6 95.4 96.4 96.8 97.3 97.9 97.9 97.9 97.9 98.2
bE bo1 4,.6 78.4 as.6 87.7 92.3 93.4 93.8 95.7 96.6 97.0 97.S 98.2 98.2 98.Z 99.2 98.4
ur stio1 4".6 78.4 83.b 87.7 97.0 93. 4 93.8 95.7 96.6 97.0 97.4 98.2 98.2 98.2 98.4 98.6GE 4001 45.6 78.4 83.6 877 92.r, 93.4 93.8 95.7 96.6 97.0 97.7 98.4 98.4 088.4 98.6 98.9
UE 3001 45.6 78.4 83.6 47.7 92.9 93. 4 93.8 95.7 96.8 97.5 98.2 98.9 98.9 98.9 99.1 99.3'.1 7001 4S.6 ?8.4 83. 87.7 92.7 93.4 93.4 95.7 96.4 *97.5 9P.2 98.9 99.3 99.3 99.5 99.8..E I U1 4S.6 78.4 83.6 81.7 92.9 93.4 93.8 95.7 96.8 97.5 9R.2 98.9 99.3 99.3 99.5 99.8
GE n1 45.6 78.4 83.6 87.7 92.n 93.4 93.8 95.7 96.8 97.5 9R.2 98.9 99.3 99.3 99. 100.0
TOTAL NUMBER Of OBSERVATIONS: 439
*
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERVUS VISIBILITY
uSAFEJAC FROM HOUqLY OBSERVATIONSAIR WEATHER SERVICE/PAC
STATION NUMBER: C63250 SIATION NAME: ZILRIKTEE NL PERIOD OF RECORD: 78-86
MONTH: MAY HOURSILSTI: ALL
CEILIN, VISIBILITY IN STATUTE MILLS
IN I GE GE iE GE GE G GE GE GE GE GE G GE GE GL GEFEET I IC 6 5 4 3 2 1f2 2 1 112 1 1/4 1 314 /8 112 /I6 1/4 0°... . . . . . . . . . .. . . . . . . . . . .. . . . . . . . ....°..... . *.... . . ... . . . . . .. . . . ....... ° .. ... ....
NO CEIL 1 21.5 34.6 36.4 38.5 40.3 1 4. 5 40.7 41.4 41.6 41.8 41.9 42.0 42.0 42.0 42.0 42.1
GE 20300 25.1 4.8 43.2 45.8 47.5 48.1 48.s 49.3 49.6 49.8 SO.0 50.1 50.1 50.1 50.1 50.2b E 380009 25. 1 80.8 43.2 45.8 47.7 48.2 48.5 49.4 49.7 49.9 51.1 50.2 60.2 50.2 50.2 50.3GE 160001 25.1 40.8 43.2 45.8 47.7 48.2 48.S 49.4 49.7 49.9 50.1 50.2 50-
2 t0.2 50.2 50.3
6E 1471nl 2S.2 41.0 43.4 46.0 47.9 48.4 48.7 49.6 49.9 50.1 50.3 50.4 60.4 50.4 50.4 5U.5LE 100 25.3 42.1 44.5 47.2 49.? 49.7 50.0 50.9 61.4 51.5 51.7 51.8 61.8 51.8 51.8 1.9
GE 307001 27.6 47.2 49.9 53.2 55.5 56.3 56.7 57.8 68.4 58.6 59.4 58.9 58.9 59.0 59.B 59.UGE 90309 28.1 48. 3 51.3 54.7 57.2 58.1 s.4 59.6 60.2 60.5 0.7 60.8 60.9 60.9 b0.9 61.0
LE 80001 29.4 S0.8 54.3 58.0 60.7 61.7 62.Z 63.6 64.3 64.6 64.6 65.0 65.0 65.1 65.1 65.2GE 7OU01 29.6 51.0 54.5 58.4 61.C 62.1 62.6 64.0 64.7 65.0 65.3 65.4 65.5 65.5 b5.5 65.6.E 6709 29.6 51.2 54.8 58.7 61.4 62.5 63.0 64.5 65.2 65.5 65.7 65.9 66.0 66.U 66.0 66.1
6F 5001 30.4 S2.7 5b.6 60.9 63.7 64.9 6S.5 67.1 67.8 68.1 '.4 68.6 68.6 68.7 b8.7 68.7E 4r00I 31.3 54.5 Ss.I 6Z.9 65.9 67.1 67.7 69.4 70.2 70.6 70.7 70.9 71.0 71.0 73.0 71.1
GE 49009 33.2 58., 62., 67.4 70.4 71.8 72.5 74.4 75.2 75.6 75.9 76.1 76.1 76.2 76.2 76.2iE 3JO I 34.0 60.2 64.6 69.7 72.7 74.2 75.0 77.0 77.9 78.3 79.5 78.8 78.8 78.9 78.9 78.9
GE 30009 35.1 62.2 66.8 72.1 76.3 76.9 77.7 79.9 80.8 81.3 41.5 81.7 81.8 A1.8 81.8 81.9
IA 25001 36.1 64.3 69.0 74.7 78.1 79.8 80.7 82.9 8 l.8 84.3 84.5 84.8 84.8 84.9 84.9 86.0IE 20U1I 36.7 6 .7 73.7 76.6 80.3 81.8 82.7 84.9 85.9 96.3 86.6 86.9 86.9 87.0 87.0 87.0
GE I001 37.0 66.6 71.7 77.7 81.4 83.1 84.1 86.3 87.3 87.7 88.0 88.3 88.3 '8.4 88.4 88.4ul ICO 37.4 67.9 73.Z 79.6 83.4 85.2 86.2 88.4 89.5 89.9 90.3 90.5 90.6 90.6 90.6 90.7IE 12001 37.8 68.9 74.3 80.9 84.8 86.7 87.8 90.3 0 1.4 91.9 92.2 92.4 9z.6 92.6 97.6 92.b
(E IrU01 37.9 69.2 74.R (1.5 85.5 87.5 88.5 91.1 Y,.2 92.7 93.1 93.3 93.4 93.5 93.5 91.5IE 9001 37.9 69.5 75.z 81.9 86.9 88.1 89.1 91.8 93. 0 93.6 93.9 94.2 94.2 94.3 94.3 94.4GE B009 37.9 69.7 75.4 82.2 86.5 88.6 89.? 92.6 93.0 4.6 95.0 95.2 95.3 95.4 95.4 9S.4
GI 70o1 37.9 69.9 75.6 82.7 87.7 S9.4 90.5 93.6 95.0 95.7 96.1 96.4 96.4 9b.6 96.5 96.5GE 6001 37.9 70.0 75.7 82.8 87.4 89.6 90.8 94.0 95.5 96.3 96.7 Q7?. 97.0 97.1 97.1 97.1
E c009 37.9 70.0 75 . 7 82.9 87.6 89.8 91.0 94.0 95.8 96.8 97.3 97.6 97.7 97.8 97.8 97.9GE O00 37.9 70.0 75.7 82.9 87.6 89.8 91.0 91.40 96.0 97.1 97.7 98.0 98.2 98.3 98.3 98.41GE 3UOI 37.9 70.0 75.7 82.9 87.6 89.8 91.0 94.4 96.0 97.3 98.0 98.4 98.6 98.9 99.9 99.0rE 2001 37.9 70.0 75.7 82.9 87.6 89.8 91.0 94.4 96.1 97.?3 94.0 98.4 98.8 99.1 99.1 99.3I. ool 37.9 70.0 75.7 82.9 87.6 89.8 91.0 94.4 96.1 197.3 98.0 98.4 98.8 99.2 99.3 99.8
LE r9 37.9 7U.0 75.7 82.9 87.6 19.8 91.0 94.4 96.1 97.3 9q.0 0S." 91.8 99.2 99.3 100.0
TOTAL NUMOLR OF OBSERVATIONs: 1894
LOBAL CLIMAiOLOGY BRANCH PEkCENTAGE FR-jUE4CY OF OCCURRENCE OF CEILING VFRSUS VISIBILITYUSAFETAC ROM HOURLY OB[RVATIONSAIR WEATHER SERVICEIMAC
5TATION 4UMPER: 063250 STATION NAME: ZIIRIKZE3 N1 PLPIOD OF CECORD: 80-RAMONTH: JUN HOU9S(LSTI: 0OO(-OZ3
CEL ING. VISIBILITY IN STATUTE MILES
IN GL GE G .E GE G GE Gr OF GE E GI GE Gr GL GFEET 10 6 5 4 t 2 ItZ 2 1 112 1 1/4 1 1/4 5/b 112 1/16 1/4 C
NO CEILn 17.4 35.3 36.5 40.71 44.0 472 47.9 9.8 0.2 0. S".? 50.9 SO.9 11.2 S.? ', .
E 2000 1.1 37.9 59.5 44.4 98.1 51.6 52.3 54.2 54.4 55.3 5, 5..b 55.6 55.8 55. b 6.0GE I8O0 i8.1 37.9 39.5 44 .4 48.1 1. 6 52.3 54.2 54.9 5s.3 3 .I 5 * .6 55.6 s5.8 5.8 A 6.
GE 16UO 18.1 31.9 39.5 14.4 48.1 51.6 52.3 54.2 54.9 s5.3 1.1 Ss5.6 55.6 S5. a 5.8 6.c
GE 14000% 18.1 37.9 3?.5 44.4 48.1 51.6 52.3 54.2 54.9 '5.3 5.,,1 55.6 55.6 55.8 5 .8 56.0UE 121o001 1.1 38.1 39.8 44. 7 48.4 51.9 52.6 54.8 55.1 S5.b 5. 6 55.8 55.9 q 6.0 56.0 -6.3
S 10001 19.3 41.9 44.0 50.0 5. ST. 7 S8.4 60.2 60.9 61.4 61.4 61.6 61.6 61.9 61.9 6,.I6! 9001 19.3 42.6 48.7 50.1 54.5 58. 59.1 b0.9 61.6 62.1 6.1 62.3 b?.S 62.6 62.6 62.9GE 60001 20.7 4b,
0 49.1 54.4 59.1 62.6 63.3 65.1 6S.8 66.3 b,#.I 66.5 66. 6b.7 667, f7.4
i.E 70001 10.7 46.0 4.1 54.4 59.1 62.6 63.3 6S.1 65.4 66.3 bfo S.3 b6 .5 66.S 66.7 6.7 6T.4IE 6Q0O0 20.9 46.7 4S.6 55.3 60.0 63.5 64.? 66.0 66.7 67.2 67.2 67.4 67.4 67.7 6y7. 68.4
GE 500 23.0 49.5 52.1 58.6 63. 6.7 67.4 69.3 70.0 70.5 70.5 73. 73.7 70.9 70.9 11.6
F 4' UOI 23.7 52.6 55.1 61.6 66.3 69.8 70. 5 72.3 7.0 73.5 73. 73.7 7.7 74.0 74.U 74.?IE 4CoDO Z5.8 57.1 63.2 61.2 12. I 1S.6 76.3 78.1 Y8.8 79.3 79. 79.5 79.5 79.8 79.4 R0.SGE 3So: 7:.4 59.8 6,. 69.5 744 77.9 78.6 80.5 81.2 A8.6 81.6 41.9 81.9 Rz.1 67.| e2.8
6E 3r0O 8.6 61.b 64 71.4 76.7 80.5 81.2 83.0 83.7 P4.2 84.2 $4.4 84.4 44.7 84.7 $S.3
UF 21001 30.0 63.7 66.S 73.7 79.1 83.0 83.7 85.6 86.3 46.7 46.7 P7.0 83.0 M7.2 87.2 P7.9G1 z00 30O.7 61'.1 67.9 75.1 80.7 84.4 85.1 87.0 b7.7 89.1 8A. I 8.4 88.4 98.6 8.6 89.3o, 18UQ 31.2 66.0 69.8 76.0 81.6 5.3 86.0 87.9 88.6 89.3 89.3 F9.! 89.s A9. 89.8 9u.UE 1500 31.4 66.7 6.8 T7.2 82.R h6.5 87.2 89.1 89.8 90.7 9'.? 7c.9 90.9 91.2 91.2 91.9GE 120U0 32.1 67.9 71.2 79.3 84.9 R.b 89.3 91.2 91.9 92.8 97.P 93.0 91.0 95.3 y.3 94.0
UE TOUT0I 3.1 67.9 71.2 79.8 65. 89.1 89.8 91.6 92.3 93.3 91.1 91.5 93.5 93.7 93.7 94.4GE 9001 32.1 67.9 71.2 79.8 85.8 89.s 90.2 92.6 93.3 94.2 94.2 94.4 94.% 94.7 94.7 95.3
GE OLD1 3'.1 68.1 71.4 80.2 86.3 90.2 90.9 93.5 94.2 75.1 9".1 95.3 95.3 95.6 95.6 96.36E 710 1 32.1 6q.4 713b 80.9 87.2 91.? 92.1 94.7 95.3 96.3 96.1 96.5 96.7 97.0 97, 97.7GE 600I 52.1 68.4 71.6 81.2 87.1 91.9 92.8 95.8 96.5 97.4 97.4 97.1 97.9 98.1 98.1 98.8
uE t001 32.1 6.4 71.6 81.4 OR. 92.3 93.3 96.5 97.2 98.1 90,I
98.4 94.6 Q8.8 9P.8 99.5I.E $I01 32 1 68.4 71.6 81.4 88.1 92.3 93.5 96.5 97.2 98.1 98.1 98.4 98.6 98.8 98 99.5GE 3CO 32.1 68.4 71.6 81.4 88.1 92.3 93.3 96.5 97. '98.4 9-.4 94.6 98.8 99.1 99.1 99.6
GE 2001 32.1 68.4 7.6 81.4 88.1 9 2 - 3 93.3 96.5 97.4 98.4 9k.4 94.6 98.8 99.3 99.3 100.0oF 1001 32.1 68.4 71.6 81.4 88.1 92.3 93.3 96.5 97., 98.4 9p.4 94.6 98.8 99.3 99.3 100.0
(,E n% 32.1 68.4 71.6 81.4 88.1 92.3 93.3 96.5 91.4 98., 9P.4 94.6 94.4 99.3 99.3 1DO".
TOTAL NUMBER Of OPSERVATIONS: 450
.!12e
GLOBAL CLIMATOLOGY PRANCH PEICEN!AG( WLQU[NCY OF OCCEJRtNLI OF CrlLiNt vr80us VISIBILITY
USAFETAC f ROM HOUI LY OBSERVATI]ONS
AIR AI HEk SERVICE/MAC
S IAoN NURER: 10632 0 STAIJION NAME; 7'Rl4i . tL PL -I o Of [L.OPO: 93-84,8640NIN5 JUN OUSILSI 2: OO-0703
IN I GE GF ( f d Gf G GE GE G I GE C, L GI GI GE It (IIFEE I in 6 5 2 192 2 2 11/2 1 1/4 1 '/N S/0 1/2 S/lb /4 U
NO CEIL I Z.' 242 26.4 3 .Ub 34.- 3. . 36.2 39.1 NO.1 N1.6 41.8 41.8 47. NS.O0 4.3 44.3
u.E 23UOI 125.4 ?7. 29.8 IN.7 38.6 40.3 41.3 44. 3 4S.2 46.7 4,.9 4b.9 47.4 '8.2 %.4 4 . 4L,! I cLi 15.4 21. 4 . 34.7 36.6 40.3 11 .3 414. 4 65.2 46.7 46.9 46.9 47.4 Na .? 48.4 4s.4t, r6001 23.4 an . 27.4 2;?.b 34.1 3.- 40.3 81.3 44.31 46.2 Nb.1 4.9 4b.4 N7.N 48.2 '-.N N
9.4.
(,[ I%4r On 1 .4 27. 9.8 34 . 3.6 N0. 41.3 44.3 46 .2 Nb.? 7 f. 4 6.9 47.4 4 a . I%4.2 4 49..,.,f IriaI 13. .1 31 .b 35.7 39.6 41.3 4,3 65.2 46.2 477 4 7.9 N7.9 N8. %9.21 4q.% 6...4
t I U,00 2 4%.4 a9. 3 12.8 56.9 45. 4
s 46.5 49. 6 90.6 c.? .3 6 ' ..6 61 53.2 68 N. 66.R 66..7
u. 471o7I II,.? 31.6 34.I %0.8 45.1 47.9 A.9 52.1 S3.1 54.61 66. 6.6 56.? ,7.0 57.2 " A.,Ws aIor_, 26.6 3,L 3b.4 43. 0 47.9 5L.1 51.I S4.3 55.3 67.0 57.? 67.7 54.4 5,z 69. 4
t-b
f Ir n 2 6. 6 35.3 16.9 43.5 468.4 60.6 52.b 54.8 56.0 -7.7 S7.9 68.4 S7.1 S9.9 6.I b1.4S, 6P0 I '5 .6 33.7 S.4 44. 49.4 62.6 52.6 55.7 7.0 68.7 . R.9 69.4 60.1 6J.4 63.1 b2.3
f sOLlO I 17.8 37.7 41.8 %9.2 54. 6 6. 5 57.5 60.6 61.9 63.6 6 .8 b .3 650 5 .8 bb. 671.ut 4i On I I0 2.2 79.6 43 .8 52.2 562 618.7 59.7 62.8 64.1 65.8 66 . 66.5 67.z 68.0 68.2 69.4
6| C 7%r6v 19.6 43.3 41.9 5.5 bo.6 63.2 64.2 6y.5 6,.9 70.7 7r.9 11.4 72.1 72.9 73. 1 74.3jF 3,001 ; 4 .6 49 .6 67.2 62.5 614.8 bS.8 69.2 70.7 72.4 72.6 73.1 73.8 74.6 71.8 16. :yf ifUo0 2. 2 47.4 52.6 60.2 66,7 67.7 68.7 72.2 73.6 75.3 7,.6 76.0 76.8 77.5 17.8 79.0
E 2%002 .2.7 48.9 64.0 62.9 67. " 69.4 10.7 74.2 75.6 77.3 7T.5 78.0 4 4.7 79.5 19.7 8
.9
Gt i lI , .? 62.3 67.6 5 766 1. 4 3.8 76.1 78.7 80.2 81.9 82.2 82.6 83.4 84.2 44.14 86.66l 1l001 24.9 64 .UC 69.4 67.5 71. 7.8 77.0 80.7 82.4 84.1 84.4 814.8 85.6 86.3 66.6 97.8
t V1 Ur. 1 2 6.7 '4.8 61.1 68.2 74.1 76.5 77.8 81.9 83.6 A5.! 86,.6 86.2 86.8 87.5 87.8 89.0f.E I -orB 2 r,.9 66.3 63.0 69.2 75.6 78.0 79.2 83.9 86.6 87.3 87.% 8.0 89.8 99.5 89.7 91.0
L.F luLO ;2.9 ,.3 62. .1 69.4 7S. 78.2 79.6 84.6 86.3 A8.3 at.5 9.0 89.7 0,.5 92.7 qI.9GEC 9,d - . 0 66.3 61.4 69.7 7b. 79.0 80.2 85.6 87.5 89.5 8.7 90.2 91.0 91.7 91.9 93.2LF po9 25.9 5.3 b1.4 7.2 77.51 40. 8.14 88.0 90.0 91.9 92.2 92.1 93.4 94. 1 94.4 95.6
I ?(,aI ,2.9 65.3 61.b 70.4 77.* 8L.9 82.2 89.5 91.4 93.4 93.6 94.1 94.9 95.6 96.8 97.1I1 600 26.9 s.3 61.6 0. I 17.' 91.4 82.6 90.7 92.7 911.9 9.1 95.6 96.3 97.1 97.3 98.5
1.f ' L | ,.9 66.3 61.6 7L.7 77.9 81.7 82.9 91.0 92.9 95.1 96.4 95.8 96.6 97.3 97.6 98.8G, 4(001 .79 5.3 b2.b 70.1 7.A 81. 1 82.9 92.0 9..9 9S.4 96,.6 96.1 97.1 97.8 90 .0 9.30F 'ur i 2.9 c6.3 61.6 7.7 717.4 81. 7 82.9 92.U 92.9 96.6 9,.8 96.3 97.3 98.3 9P.5 99.6oF 2113l 26.9 66.3 62.b 70.7 77.9 41.1 82.9 91.0 92.9 95.6 96.8 96.3 97.3 98.5 9f,.8 100.061 20ol1 Z5.9 5. 3 61 .6 70.7 77.R A2.17 82.9 91.0 92.9 95.6 9. A 96.3 97. 8. 98.8 100.0
of (I 26.9 6.3 b2.6 70.7 77.9 91. 7 82.9 91.0 92.9 95.6 96.4A 96.3 97.3 98.5 94.8 100.0
TOTAL NUMPE R OF OSRVA I2OIS: "u9
* ..
GLt(dAl CLIMATOLOGY 44*41)4 PtACtNIAGF FR:oUr4CY or OCCJRQ[NCI Of CfIrING V'RSuS vISIP'l11E,u5 AfL T AC FROM HO00317 OBSERVATIONSAII P7 kfANER SERVICE /8*1
S18730N NUMB'ER:L) ,1120 STAI IEON NAME ( 1: RZI ItC P 41 101)o 0F ArCORO: 77-86MONdTH: JUN HO00951SI 303-3933J
I E I Li 6fSt S GE K GE L tGE GE Of G ( -L GE I r G (if St GErjt I I~ n ' 2 32 2 1If12 I 1/4 3 1 'j S/6 1312 ;/3I4 1/4 u
NO1011f I 331.2 .1 1.A 14 .31 27.4 9 .1 ;I IT.1 30).4 32.0u 33.6h '44.5 !1 .2 ' 1.2 3S.9 'S.4 3S., '6.31
i~t ?Urina I 1 1.9 z23. 9 26. 30Sd.3 32. (31. 3 31.6 35.4 13.2 19.9 921.5 40.C '43.2 '40.2 91. '4L.-9Il11 0,60 1 1 1.'4 24.1 245.71 3;. 3 32.. 33. 5 33.8 3S.6 31 .3 39. 1 41 .' 40.2 411. 40.4 0.4 '41 .1I
IrEu 3011 1.94 4.31 26 .1 30.35 32,.21 33. 5 3 3.9 35.6 331. 3 19.: 1 1.' 4'].2 9.3.4 '40U.9 4 4C. 4 41 .1IGE 191001 1 1.9 242 26 . 3351.4 02.4 13. 6 34.0 35. 8 3?.5s 1?.i '4 1. 4 40.4 43.5 '40. 5 %'.S 41.2
I~ 12'0 11.9 ,q. .9~ 5 1W.2 34 -. : 15.4 3P.8 37.S 19 .3 1.31 4'.I1 '42.1 "2. 1 42.3 '4' . 1 '43.2
1 09 or 1,32.4 2. m 31 .3 16. 3 3Q .. '4p. 9 41 .6 43. 4 4S.31 46. 9 ..- 0 98 .0U '4A3. 48.5 44.5 '49..-If 9,ai z2.1 ? 9 37 .1 38I.2 4 1.6 43. 4 44 .1I 46.0 41 .8 p 49j 7 5'.19 0(1.4 53 .2 51. 3 531. 3 S .
f7 41005 1t .A 35 .41 43.9 '45.1 47. 8 44.? S I.0D 521. 1 "4q.9 s S.9f '15. 9 516. 3 5.5 S A s5 s.2Il I035 14.0 '2. 3.9 412.7 .6.4 4e. 7 49.1I 52. 0 54 .0 sb6.1I 57. I 7. 3 57.17 1.9 s57. 9 16 .
.,f 6 jgI 34.2 12 . 37 .2 43.9 %97.6h '49.9 5
1 .0 1. 3 55.? 51c . 3 4;,.' SR .8 %9.1 119.3 59. 3 6 0. 0
t, tE 5900 34 .9 1..7 33.5 46.5 501.9 5.2. 9 54.U 56. 5 58A. 6 60.71 631.9 6..1 62. 62. 7 f0'.?7 6 3.%GE 455 35O .4' 35.9 430.9 148.. 52.1 1". 5 55.6 58. 2 61.-1 62.5 ,1.? 61.9 64. 64 .4 69.4 65.1.F %4105 I 1. 2 38.9 '44.3I s . 3 55 .6 56.31 59.5 62. 3 64.6 ~ (.F 6'. .i 64.1I 64I.5 64a.7I 6.. 69 .4
3E 3o0I 11.17 41 . 45.5 52z.71 57.1 'q. 6 61 .1 63. 9 66.2 68. 3 67.6 69.9 13. 3 70.4 7".4 712.1 in305I38.9A 431.6b 47 .3 14. 7 59.34 61.6 63.0 65.8 68.3 13.6 1.9 12 .2 12.6 712.1 7?1. 7 7 3.5v
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6LO1AL CLIMATOLOGY PRANCH PERCENIAGE FR OUENCY OF OCCURPENCE OF CEILING VERSUS VISIBILITY
uSAFETAC FROM HOU7LY OBSERVATIONS
AIR WAaTHER SERVICE/MAL
STAT11N NUMPLR: Uf1253 I8t I r NAME: 2IERIKZEO NL PEPIOU OF PECOPO: 77-84,86
MONTH: JUN HOURSILS): JSO-1700
CE IILING VISIBILITY IN STATUIE MILES
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GLOBAL CLIMAICLOGY BRANCH PERCENTAGE FR 7UENCY OF OCCUROENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOUILY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBLR: 063250 STAT1ION NAME: ZIERIKZE NL PEPIQ0 OF RECORD: 77-86MONTH: JUN HOURSILSII: 1800-20OC
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GF 60001 39.9 59.3 61.2 64.1 66.5 68.5 69.3 70.9 70.9 71.4 71.4 71.4 71.4 71.4 71.4 71.4
lC 5001 41.3 62.2 64.1 67.4 70.5 72. 4 73.3 74.9 74.9 75.4 75.4 75.4 7S.4 75.4 75.4 75.4GE 4501 42.6 64. 65.0 69.3 72.4 74.4 75.2 76.8 76.8 77.3 77.3 77.3 77.3 77.3 77.3 77.3GE 4001 4i- 6 67.9 69.8 73.3 76.6 78.9 79.7 81.3 81.5 82.0 82.0 82.0 62,0 42.0 82.0 21 .0GE 35U0 1 *.4 71.8 73.7 77.1 80.4 82.7 83.5 85. 1 85.3 A5.8 85.8 9S.8 82 P5.6 85.8 85.86E 3000P 4., 72.3 74.2 77.6 80.9 83.2 84.1 85.6 85.8 96.3 96.1 96.3 86.3 R6.3 86.3 86.3
(E 2! JO 49.7 74.5 76.4 80.1 83.' 85.8 86.7 84.4 88.6 89.1 8Q.1 R9.1 49.1 A9.1 89.1 89.1GE 20001 50., 76.4 78.3 82.1 86.7 P8.2 89.1 90.8 91.0 91.5 91.5 91.5 91.5 91.5 91.5 91.5SE 16GII 51.3 77.6 73.5 83.4 87.? 89.4 90.3 92.0 92.2 92.7 92.7 92.7 92.7 92.7 92.7 92.7uF 15001 52.3 79.2 41.1 85.1 48.9 91.2 92.2 93. 9 l 4.1 94. 94.6 94.6 94.6 94.6 94.6 94.6GE IUO 1 52.7 79.7 81.6 85.b 69.4 91.9 92.9 94.8 95.1 95.7 95.7 95.7 95.7 95.7 95.7 95.7
6E 10301 52.7 79.9 81.8 P5.8 89.9 92.2 93.2 95.1 95.5 96.2 96.2 96.2 96.2 96. 96.2 96.(E l 'I ?.27 79.9 82. U 89.9 92.4 93.4 95.3 95.8 96.5 96.5 96.5 96.5 96.S 96.5 96.5
.7 F20U 52.7 3.2 82.3 86.7 91." 93.4 94.6 '.7 97.6 98.3 94.3 98.3 98.3 98.3 94.3 96.3
ET 730 5. 7 80.2 82.3 86.7 91.2 93.6 94.8 96.9 9.9 99.0 99.0 99.0 99.1 99.1 99.1 99.1.r 6d 5?. q 40.2 8?.3 86.7 91. 93. E 95.0 97. 1 3. 1 99.3 99.3 99.3 99.5 49.5 99.5 99.5
t. L 1 52.7 pD. 82.3 86. 7 91.' 93.8 95.0 97.1 9P.I 99.3 9.3 99.3 99.5 99.5 99.5 99.5, : 31 51.7 9 ,2 82.3 86.7 91.3 93.4 95.1 97.2 98.3 )9.5 99.5 99.5 99.7 99.7 99.7 99.7jr U0I 5Z.7 hr., 82.3 96.7 91.7 93.8 95.1 97.2 98.3 99.5 99.7 99.7 99.8 99.4 99.8 9q9.
I 'u'I 52.7 90.2 ?.3 96.7 91.3 93. 8 95.1 97.2 983 99.5 99.7 99.7 99.8 99.4 99.8 49,8I' I ,7 p0.2 82.3 A6.7 91.9 93.8 95.1 97.2 98.3 99.5 99.7 99.7 99.8 99.8 99.8 100.0
'.7 pi.? 82.3 86.7 91. 93.8 95.1 97.2 98.3 99.5 9q.7 99.7 99.8 99.8 99.8 10.0.............. ........................................................... .......... .....................................
, ;i Of 2', IPvATIDN : 577
H'L
GLOtIAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VFRSU5 VISIBILITY
USAFEYAC FROM HOURLY OASERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATIVN NAME: ZIERIK7ES NL PERIOD OF QECORO: 77-74.8O-84,86MONTH: JUN HOURSILSYI: 2100-2300
IN i GE GE GE GE GE Gr GE GE GE GE GL GE GL GE GE GEFEET I 10 b 5 4 3 2 lf2 2 1 112 1 1/4 1 1/4 3/8 112 5/16 1/4 0........................................................................................................................................
NO CEIL I 18.7 31.8 33.9 34.3 37. 3 39.6 40.3 41.7 41.9 41.9 41.9 41.9 41.9 42.2 42.2 42.4
GE 20000 1 23.3 40.1 42.b 43.1 46.8 49.3 51.6 53.0 53.5 53.5 53.5 53.5 53.5 53.7 53.7 53.9GE 180001 73.3 40.1 42.6 43.1 46.2 49.3 51.6 53.0 53.5 53.5 53.5 53.5 53.5 53.7 53.7 53.9GE 16rL) 233 43.1 41.6 43.1 46.9 49.3 51.6 51.0 53.5 53.5 53.5 53. 5 51. 5 3,: 57.7 53.9GE 14'U70 23.3 0 2 9 4343.3 47.0 49.5 51.8 53.2 537 51.7 53.7 53.7 537 53.9 53.9 54.1GE 12!001 24.0 41.2 43.8 44.2 48.2 50.7 53.0 54.4 58.8 54.8 54.R 54.8 54.8 55.1 55.1 55.3
GE lOrOn 25.8 q5.2 48.6 49.1 53.2 56.0 58.5 60.1 60.6 60.6 6.6 60.6 60.6 60.8 60.8 61.1uE 93oe0 26.9 46.3 55.0 51.4 56.5 58.8 61.3 62.9 b3.4 63.4 63.4 63.4 61.4 63.6 63.6 63.8GE 83CO 28.1 49.3 53.2 55.1 59.9 62.9 65.7 67.3 67.7 67.7 67.7 67.7 67.7 68.0 68.0 68.2GE 75001 4.3 50.0 53.9 55.8 60.6 63.6 66.4 68.0 68.4 68.4 64.4 68.4 68.4 68.7 68.7 68.9GE 6(001 29.3 51.8 55.8 57.6 62.4 65. 4 68.2 69,8 70.3 70.3 70.3 70.3 70.3 70.5 70.5 70.7
GE 5(3001 32.0 56.7 63.8 62.7 67.9 70.5 73.3 74.9 75.3 75.3 7S.3 75.3 75.3 75.6 79.6 75.8LE 4'I01 34.8 60.8 b5.0 66.8 71.7 74.7 77.4 79.0 79.5 79.5 71.5 79.5 79.5 79.7 79.7 B.3
GE 43001 3.1 66.8 71 . 73.5 78.3 81.3 84.1 85.9 86.4 86.4 86.4 86.4 86.4 8b.6 86.6 e6.9G 35'0o 39.4 68.4 72.b 75.3 80, 83,2 86.2 88.0 88.5 88.5 5F.5 88.5 88.5 48.7 88.7 A8.9uL 3fO0l 45.1 73.0 79.4 77.0 81.4 84.8 87.8 89.6 90.1 90.1 90.1 90.1 90.1 90.3 90.3 90.6
GE 20ri 40.- 71.4 75.0 78.6 83.4 86.4 89.4 91.5 91.9 91.9 91.9 91.9 91.9 92.2 92.2 92.4OE 2 40 1 . n 71.9 75.7 79.3 84.3 87.3 90.3 92.4 92.9 92.9 92.9 92.9 92.9 93.1 93.1 93.3
G E IL*0 41.5 72.8 77.6 80.4 85.5
88.5 91.5 93.5 94.0 94.0 9.2 94.2 94.2 94.5 94.5 94.7GE 11!001 41.7 73.3 79.1 80.9 85.9 88.9 91.9 94.0 94.5 94.7 94.9 94.9 94.9 95.2 95.2 95.4Gf 1200 1 41. 7 73. 74.6 81.6 86.6 49.6 92.6 94.7 95.2 95.4 95.6 95.6 95.6 95.9 95.9 96.1
GE 100I 41.7 73.7 7 .A 81.8 87.1 90.1 93.1 95.2 95.6 95.9 96.1 96.1 96.1 96.3 96.3 96.5GE 901 41.7 73.7 78.8 81.8 87.1 9C.1 93.1 95.2 95.6 95.9 96.1 96.1 96.1 96.3 96.3 96.5
GE 900) 41.7 74.0 79.U 82.3 87.4 90.8 93.8 95.9 96.5 96.8 97.0 9 7
,o 97.0 97.2 97.2 97.5
GE 700) 41.7 74.2 79.3 82.5 88.31 91.0 94.0 96.3 97. 2 97.7 97.9 97.9 97.9 96.2 98.2 0B.41GE 601 41.7 74.2 73.3 82.7 88.5 91.5 94.5 96.8 97.7 98.2 98,9 98.4 98.4 98.6 98.6 98.8
GE 505) 41.7 74.7 79.3 82.7 88.5 91.7 94.7 97.0 97.9 98.4 9p.6 98.8 98.8 99.1 99.1 99.3,E OD1 4 1.7 74.2 79.3 82.9 88.9 92.2 95.2 97.5 98.4 99.1 9o.3 99.5 99.5 99.8 99.8 100.0
G E 30C1 41.7 74.2 79.3 '2.9 88.9 92.2 95.2 97.5 98.4 99.1 99.3 99.5 99.5 99.8 99.8 100.0GE ZOo) 41.7 74.2 79.3 82.9 88.9 92.2 95.2 97.5 98.4 99.1 90.3 99.5 99.5 99.8 99.8 100.0GE 10) 41.7 74.2 79.3 82.9 88.9 92.2 95.2 97.5 98.4 99.1 99.3 99.5 99.5 99.8 99. 100.0
GF n) 41.7 74.2 77.3 87.9 88.9 92.2 95.2 97.5 98.4 99.1 99.3 99.5 99.5 99.8 99.8 100.0
TOTAL NUMBLR Or ORSERVATI13NS: 438
GI05AL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VFRSUS VISIBILITYUSAFETAC FROM HOUqLY OBSERVATIONSAIR WEATHER SERVICL/MAC
STATION NUMBER: 063250 STAIION NAME: ZIERIKZEE NL PEPIOD OF RECORO: 77-86
MONTH: JUN HOURSILSTI: ALL.... . ................................. ...................................................................................
CEILING VISIBILITY IN STATUTE MILESIN i rL GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE
FEET : 10 6 5 4 3 2 1t2 2 1 1/2 1 1/4 1 1/4 5/8 1/2 5/16 1/4 a
NO CE IL I 17.9 29.3 33.7 33.9 36.0 37. 3 37.7 39.3 39.9 40.5 40.6 90.6 93.7 40.9 4n.9 91 .1
GE 200001 21.3 36.0 37.9 NI.U 43.9 95.4 96.0 47.7 98.4 99.2 40. 3 49.4 49.5 49.6 49.6 49.9GE 180001 21.3 36.0 37.9 91.1 94.0 45.4 '46.0 47.8 49.4 49.2 49.4 49.4 99.5 49.6 49.7 49.9GE 160001 21.3 36.0 37.9 41.1 99.0 95.9 96.0 97.8 98.9 99.2 49.4 49.9 99.5 99.6 99.7 99.9GE 190001 21.9 36.2 3.1 91.3 49.1 95.6 96.3 98.0 99.7 49.4 40.6 99.7 99.8 49.9 99.9 50.1GE 120001 21.8 37.6 39.5 92.9 95.9 97.9 9 8.1 99.9 50.5 91.3 51.5 S1.5 51.6 51.7 51.9 52.0
GE 100001 23.9 91.4 93.8 97.9 51.3 53.0 53.8 55.6 56.3 57.1 57.1 57.9 57.5 57.7 57.7 58.0GE 9CDO 29.9 92.8 95.2 99.6 53.2 55.0 55.8 57.8 58.S 59.3 59.4 59.5 59.7 59.8 59.9 60.1GE 80001 25.5 45:0 97.6 52.9 56.1 58.1 59.0 61.0 61.8 62.6 67.8 62.9 63.0 63.2 63.2 63-5SE 70001 25.7 95.4 99.1 52.9 56-7 58.7 59.6 61.7 62.5 63.3 63.5 63.6 63.8 63.9 b4.0 64.3GE 60001 25.9 46.0 49.8 53.9 57.7 59.8 60.7 62.8 63.6 64.5 64.7 69.8 65.0 65.1 65.2 65.5
GE 50001 27.4 98.7 51.9 57.1 61.2 63.3 69.3 66.5 67.4 68.2 68.9 68.6 68.7 68.9 68.9 6s.2GE
4SuoI 28.5 50.9 S.3 59.3 63., 65.7 66.6 68.9 69.7 70.6 70.8 70.9 71.1 71.2 71.2 71.6
GE 90001 30.8 54.8 59.1 63.8 68.1 70.3 71.3 73.7 79.7 75.6 7.8 75.9 76.0 76.2 76.2 76.6&F 35001 32.1 56.8 63.3 66.1 70.5 72.8 73.8 76.2 77.1 79.0 78.2 78. 78.5 78.7 79.7 79.1GE 30001 33.1 58.6 62.2 68.1 72.6 19.9 75.9 78.3 79.9 80.3 80.5 80.7 80.8 A1.0 81.0 81.4
UE 25001 39.2 60.6 69.5 70.7 75.3 77.7 78.8 81.3 82.3 83.3 83.5 83.6 83.8 83.9 69.0 8.3GE 20001 35.9 63.5 67.5 74.0 78.9 81.3 82.5 85.0 86.0 97.0 87.2 87.9 87.5 87.7 87.7 88.0GE 18031 36.7 65.1 69.3 76.0 81.0 83.9 89.5 87.1 88.1 89.1 89.9 89.5 89.7 89.8 89.9 90.2GE 1500l 37.2 66.9 70.7 77.6 82.7 95.1 86.3 88.9 90.0 91.0 91.3 91.5 91.6 91.8 91.8 92.1GE 1200 37.7 67.3 71.9 78.9 89.2 86.7 87.9 90.7 91.8 92.9 97.2 93.9 93.6 93.7 93.7 99 .1
GE 1COO 37.7 67.5 72.1 79.3 89.6 87.1 88.3 91.2 92.3 93.5 93.9 99.0 94.1 99.3 94.3 99.6GE 9UOi 37.7 67.6 72.3 79.5 85.7 87.5 88.7 91.8 93.0 99.2 99.5 99.7 99.8 Q5,0 95.0 95.3GE 9001 37.7 67.7 72.5 8.a 85.6 88.9 89. 92.9 99.1 95.9 91.8 95.9 96.1 96.Z 96.2 96.6bF 7001 37.8 67.8 72.7 83.2 86.1 99.0 90.3 93.7 95.0 q6.4 96.7 96.9 97.2 97.3 97.3 97.7
SE 600I
37.8 67.8 72.7 80.9 86.9 899 90.7 99.3 95.7 97.1 97.5 97.7 97.9 98.0 99.1 96.9
GE 001 37.9 67.9 72.8 83.6 86.7 89.8 91.1 94.9 96.3 97.8 98.1 98.4 98.6 98.8 98.8 99.2GE 4601 37.8 67.9 72.9 80.8 86.9 90.0 92.3 95. 2 96.6 98.1 99.5 98.7 99.0 99.2 99.2 99.6GE 3001 37.8 67.9 72.9 80.8 86.9 90.0 91.9 95.2 96.7 98.3 98.7 98.9 99.z 99.9 99.5 99.8(E 2001 37.8 67.9 72.9 90.8 86.9 9C.0 91.9 95.2 96.7 98.3 9p.7 99.9 99.3 99.5 99.6 99.9GE 1001 37.8 67.9 72.9 80.8 86.9 90.0 91.9 95.2 96.7 98.3 98.7 98.9 99.3 99.5 99.6 100.0
GE 01 37.8 67.9 72.9 80.8 86.9 90.0 91.9 95.2 96.7 98.3 9A.7 98.9 99.3 99.5 99.6 100.0
TOTAL NUMBER OF OBSERVATIONS: 9750
Idig
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VFRSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEr NL PERIOD OF RECORD: 80-86MONTH: JUL HOURS(LSTI: 0000-0200
CEILING VISIBILITY IN STATUTE MILESIN I GE GE GE GE GE G: GE GE GE GE GL GE GE GE GE GE
FEET I tO 6 5 4 k 2 112 2 1 1/2 1 1/4 1 3/4 5/8 112 5/16 1/4 0....................................................... o..........°........................................................
NO CElL 1 20.4 31.5 35.9 40.3 42.7 43.8 44.6 48.4 49.6 50.0 50.2 50.2 50.2 50.2 50.4 50.8
GE 200001 20.8 32.3 36.9 41.7 44.2 45.2 46.0 49.8 51.6 52.0 52.2 52.2 52.2 52.2 52.4 52.8GE I8o00 20.8 32.3 36.9 41.7 44.' 45.2 46.0 49.8 51.6 52.0 52.2 52.2 52.2 52.2 52.4 52.8UE 160001 20.8 32.3 34.9 41.7 44.2 45.2 46.0 49.8 51.6 52.0 5'.2 52.2 52.2 52.2 52.4 52.8GE 140G01 20.8 32.3 14.9 41.7 44.2 45.2 46.0 50.4 52.2 52.6 52.8 52.8 52.8 52.8 53.0 53.4GE 120001 20.8 32.5 37.1 41.9 44.4 45.4 46.2 50.8 52.6 53.0 S3.2 53.2 53.2 53.2 53.4 53.8
GE 100001 23.4 37.3 42.3 47.4 49.8 50.8 51.8 56.5 58.3 58.7 58.9 58.9 58.9 S8.9 59.1 59.5GE 90001 24.2 38.7 43.8 49.0 51.4 52.4 53.4 58.1 59.9 60.1 60.S 60.5 60.5 60.5 60.7 61.1
GE 80001 25.0 40.3 45.4 50.8 53.2 54.2 55.4 60.1 61.9 62.3 62.5 62.5 62.5 62.5 62.7 63.1GE 7T00 25.4 41.1 45.2 51.6 54.0 55.0 56.3 60.9 62.7 63.1 63.3 63.3 63.3 63.3 63.5 63.9GE 60001 25.8 41.7 .8 52.2 54.6 55.6 56.9 61.7 63.5 63., 64.1 64.1 64.1 64.1 64.3 64.7
GE 50001 27.2 43.6 49.0 54.6 57.1 58.1 59.7 64.5 66.3 66.7 66.9 66.9 66.9 66.9 67.1 67.5GE 45001 29.0 46.6 53.8 59.9 62.3 63.3 64.9 69.8 71.6 72.0 72.2 72.2 72.2 72.2 72.4 72.8GE 4o01 31.0 52.8 5S.5 64.5 66.9 67.9 69.6 74.6 76.4 76.8 77.0 77.0 77.0 77.0 77.2 77.6
bE 35001 32.4 54.8 63.5 66.5 69.2 7U.2 71.8 76.8 78.6 79.0 79.2 79.2 79.2 79.2 79.4 79.8GE 3001 34.5 57.9 63.5 69.8 72.4 73.4 75.0 80.0 81.9 82.5 87.7 82.7 82.7 A2.7 82.9 83.3
GE 25001 34.9 58.7 64.3 70.6 73.2 74.2 75.8 80.8 82.7 83.3 83.5 83.5 83.5 83.5 83.7 84.1
GE 20001 34.9 59.5 65.3 71.8 74.4 75.6 77.2 82.3 84.1 84.7 84.9 84.9 84.9 84.9 85.1 85.5GE 18001 34.9 59.9 65.9 72.b 75.4 76.6 78.2 83.3 85.1 85.7 85.9 85.9 85.9 85.9 86.1 86.5
GE 15001 35.7 61.7 68.1 75.0 78.0 79.6 81.5 86.5 88.3 88.9 80.1 89.1 89.1 89.1 89.3 89.7
GE 12001 35.9 62.7 69.2 76.8 79.8 81.5 83.3 88.3 90.1 90.7 90.9 90.9 90.9 00.9 91.1 91.5
GE 10001 35.9 63.5 7..6 78.6 81.7 83.3 85.1 90.1 91.9 92.5 92.7 92.7 92.7 92.7 92.9 93.3GE 90n 35.9 63.7 71.0 80.2 83.5 85.1 86.9 91.9 93.8 94.4 94.6 94.6 94.6 94.6 94.8 95.2GE 8001 36.1 64.1 71.4 80.8 84.3 86.1 88.3 93.5 95.4 96.2 96.4 96.4 96.4 96.4 96.6 97.0GE 7001 36.1 64.1 71.4 81.0 84.% 86.3 88.5 94.0 95.8 96.6 96.R 96.8 96.8 06.8 97.0 97.4
GE 6001 36.1 64.1 71.4 81.3 84.9 86.7 89.1 94.8 96.8 97.8 98.0 98.0 98.0 98.2 94.4 98.8
GE 5001 36.1 64.1 71.4 81. 3 84.9 86.7 89.1 94.8 96.8 97.8 99.0 98.0 98.0 98.2 98.4 98.8
GE 4001 36.1 64.1 71.4 81.3 84.9 86.9 89.3 95.2 97.2 98.4 99.6 98.6 98.6 98.8 99.0 99.4GE 3001 36.1 64.1 71.4 41.3 84.9 86.9 89.3 95.2 97.2 98.4 98.6 98.8 98.8 99.0 99.2 99.6GE 2001 36.1 64.1 71.4 81.3 84.9 86.9 89.3 95.2 97.2 98.4 99.6 98.8 99.2 99.4 99.6 100.0GE IO1 36.1 64.1 71.4 81.3 84.9 86.9 89.3 95.2 97.2 98.4 94.6 98.8 99.2 99.4 99.6 100.0
E 01 36.1 64.1 71.4 81.3 84.9 86.9 89.3 95.2 97.2 98.4 98-.6 98.8 99.2 99.4 99.6 100.0
TOTAL NUMBER OF OBSERVATIONS: 496
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURPENCE OF CEILING VFRSUS VISIBILITY
UsAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: U63253 STATION NAMES ZIELRKZE NL PEQIO0 OF RECORD: 80-86MnNYH: JUL HOURSfLST): 0300-0500
.. .. .. .. .. .. .. .. ... . . . . . . . . . . . .. . . . . . . . . . . .......................... •..... ................
CEILING VISIBILITY IN STATUTE MILES
IN r OE GE GE GE GE Gr GE GE GE GE GL GE GE GE GE GEFEET I 10 6 5 4 3 2 112 2 1 1/2 1 1/N I 3/4 5/8 1/2 " 16 I/4 0
NO CEIL I 13.0 22.4 23.7 28.4 31.5 33.1 34.0 35.6 36.8 39.5 39.9 39.9 40.5 40.9 4n.9 41.6
GE 2G0UO1 14.2 25.9 27.2 31.9 35.2 37.0 37.9 39.9 41.2 44.4 45.3 45.3 4S.9 4b.3 46.3 4b.9
GE 180001 14.2 25.9 27.2 31.9 35.2 37.0 37.9 39.9 41.2 44.4 45.' 45.3 45.9 46.3 46.3 46.9GE 160001 14.2 25.9 27.2 31.9 35.2 37.0 37.9 39.9 41.2 44.4 45.3 45.3 45.9 46.3 4t.3 46-9
GE 14001 1.2 25.9 27.2 31.9 35.7 37.0 37.9 39.9 41.2 44.4 45.3 45.3 45.9 46.3 46.3 46.9
GE 1201001 14.2 25.9 27.2 31.9 35.2 37.2 38.1 40.3 41.6 44.9 46.7 45.7 46.5 46.9 46.9 47.5
GE 100001 16.3 30.0 31.3 36.0 39.5 41.8 42.6 45.1 46.3 49.8 5n.6 60.6 51.4 L.9 51.9 52.SGE 90001 16.5 31.7 33.1 38.1 41.8 44.0 44.9 47.3 49.6 52.1 52.9 62.9 53.7 54.1 54.1 54.7GE 80001 17.7 33.7 35.2 40.3 44.0 46.3 47.1 49.8 51.0 S4.5 65.3 55.3 56.2 q6.6 56.6 57.2GE 70001 18.3 34.4 35.8 40.9 44.7 46.9 47.7 50.4 51.6 55.1 56.0 56.
0 56.8 7.2 67.2 67.8
6E b001 18.7 35.0 35.4 41.6 45.5 47.7 49.0 51.6 52.9 56.4 57.2 67.2 58.0 58.4 5R.4 59.1
GE 50001 19.5 36.0 37.7 43.2 47.1 49.4 50.6 53.3 54.5 58.0 69.8 58.8 59.7 60.1 60.1 60.7GE 45001 21.4 38.9 43.5 46.1 50.2 52.7 53.9 56.8 58.0 61.5 62.3 62.3 63.2 63.6 69.6 64.2
GE 40001 24.3 44.4 45.3 52.3 56.6 69.1 60.3 63.2 64.4 67.9 68.7 68.7 69.5 70.0 70.0 70.6GE 35001 25.3 46.3 48.1 54.3 58.6 61.1 62.3 65.2 66-5 70.0 70.9 70.8 71.6 72.0 72.0 72.6
GE 301D 27.2 49.0 53.8 57.0 61.' 64.0 65.2 68.1 69.3 72.8 7T.7 73.7 74.5 74.9 74.9 75.5
GE 2501 27.6 5.U 51.9 58.0 62.6 65.0 66.5 69.5 70.8 74.3 76.1 75.1 75.9 76.3 76.3 77.0,E 2000 29.0 51.9 53.7 60.1 65.0 67.5 68.9 72.0 73.3 76.7 77.6 77.6 78.4 78.8 78.8 79.4GE 18U0 29.4 62.9 59.9 61.5 66.% 68.9 70.6 73.7 74.9 78.4 79.2 79.2 80.0 80.5 80.5 81.1GE 15001 30.0 56.2 53.8 65.4 70.4 73.3 74.7 77.8 79.0 82.5 83.3 83.3 84.2 84.6 84.6 85.2GE 12001 30.9 ,7.6 63.3 67.1 72.0 74.7 76.3 79.4 80.7 84.2 86.n 85.0 85.8 86.2 86.2 86.8
GE IrOO 1 30.9 58.6 61 * 3 68.5 73.5 76.1 77.8 81.1 82.3 85.8 86.6 86.6 87.4 F7.9 87.9 88.5GE 9001 30.9 59.9 62.6 70.0 75., 78.4 80.0 83.5 84.8 88.3 89.1 89.1 89.9 90.3 90.3 90.9.E 8001 30.9 60.5 63.2 71.2 76.7 79.8 81.5 85.0 86.4 89.9 90.7 90.7 91.6 Q2.0 92.0 92.6
6E 7001 30.9 60.9 64.3 72.4 78.? 81.3 83.3 87.0 89.5 q2.4 93.2 93.2 94.0 94.4 94.4 95.1
GE 60n1 30.9 60.9 64.5 72.4 78.4 81.7 84.0 88.5 90.3 94.4 9,.3 95.3 96.1 96.5 96.5 97.1
GE 5001 30.9 60.9 64.0 72.4 74.4 81.7 84.0 88.7 90.5 94.7 95.5 95.5 96.3 96.7 96.7 97.3
GE 4001 30.9 61.1 64.2 72.6 78.6 82.3 84.6 q9.5 91.4 95.5 96.3 96.3 97.3 97.7 97.7 98.4E 300l 330.9 61.1 64.2 72.6 78.6 82.3 84.6 89.5 91.4 95.5 96.3 96.5 97.7 98.4 98.4 99.
0GE 2001 30.9 61.1 64.2 72.6 78.6 82.3 84.6 89.5 91.4 95.5 96.3 96.5 97.7 98.6 98.8 99.8GE 1001 30.9 61.1 64.2 72.b 78.6 82.3 84.6 89.5 91.4 45.5 96.3 96.5 97.7 98.6 98.8 99.8
GE al 30.9 61.1 69.2 72.6 78.5 82.3 84.6 89.5 91.4 95.5 96.3 96.5 97.7 98.6 98.8 100.0
..... ... . ................................................................................ .........................................
iOTAL NUMRER OF OBSERVATIONS: 486
-4e n m m. Si uuum
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYuSAFEAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATICN NUMBER: 063250 STATION NAME. ZIERIZE- NL PERIOD OF RECORD: 77-74,80-86MONTH: JUL HOURS(LST): 0600-08C0
CEILING VISIBILITY IN STATUTE MILLS
IN GE GE OE G E GE G GE GC GE GE E GEL GE GE GL GEFEET I O 6 5 4 1 2 112 2 1 1/2 1 1/4 1 3/4 5/8 1/2 5/16 1/4 0
NO CEIL 10.1 16.1 19.1 20.0 22.1 24.3 25.2 28.2 30.0 31.1 31.7 32.8 33.3 33.6 33.6 33.8
GE 20000 11.2 19.2 21.3 23.5 25.5 27.8 28.9 32.2 33.9 35.8 36.1 37.5 39.3 38.6 38.6 38.8GE 180001 11.2 19.2 21.3 23.5 25.6 27.8 28.9 32.2 33.9 35.8 36.1 37.5 38.3 38.6 38.6 38.8GE 1600 I 11.2 19.2 21.3 23.5 25.F 27.8 28.9 32.2 33.9 35.8 36.1 37.5 38.3 38.6 38.6 38.8GE 1WOO1 11.2 19.2 21.3 23.5 25.6 27.8 28.9 32.2 33.9 35.8 36.1 37.5 38.3 39.0 39.0 39.1GE 12000 11.4 19.6 21.8 24.0 26.3 28.5 29.7 33.0 34.7 36.b 37.1 38.S 39.3 40.1 40.1 40.2
bE 10000 12.6 24.8 27.3 29.7 32.6 35.2 36.4 39.9 42.6 44.6 45.1 46.7 47.6 48.4 48.4 48.6GE 9r001 13.4 27.3 33.3 32.6 35.6 18. 3 39.6 43.2 45.9 47.9 48.6 50.2 51.1 51.9 51.9 52.1GE 8oo 13.9 29.3 32.3 75.3 38.6 41.2 42.4 46.1 48.7 50.9 51.6 53.2 54.1 54.9 54.9 55.0,E 7000 I14.0 29.7 32.6 35.8 39.4 42.0 43.2 46.8 49.5 51.7 52.4 53.9 54.9 55.7 55.7 55.8GE 60001 14.2 29.8 32.8 36.3 39.9 42.4 43.7 47.3 50.3 52.5 53.2 54.7 66.7 56.5 56.5 56.b
GE 50001 15.9 32.3 35.5 39.0 42.7 45.4 46.7 50.6 53.6 55.8 56.5 58.0 59.0 59.8 50.8 59.9GE 45001 16.9 35.0 39.3 42.1 46.9 49.2 50.5 54.4 57.4 59.6 60.3 61.8 62.8 63.6 63.6 63.7GE 40001 19.4 39.7 43.4 47.6 51.9 54.7 56.0 60.1 63.1 65.3 65.9 67.5 68.5 69.2 69.2 69.4GE 35001 21.1 42.U 45.6 60.2 54.7 57.7 59.0 63.1 b6.1 68.3 68.9 70.5 71.5 72.2 72.2 72.4GE 30001 22.6 44.2 47.8 52.5 57.4 60.4 61.7 65.8 68.8 71.0 71.6 73.2 74.1 74.9 74.9 75.1
GE 2500 23.0 45.6 49.4 54.1 59.2 62.0 63.2 67.5 70.7 72.9 73.5 76.1 76.2 76.8 76.8 77.0bE 20GO 24.3 48.1 51.9 56.6 61.8 66.0 66.4 71.0 74.1 76.3 77.0 78.5 79.7 8O.4 80.4 80.6SE 18001 25.6 50.3 5.1 58.8 64.0 67.2 88.6 73.2 76.3 78.5 79.2 80.8 81.9 82.6 82.6 82.8IE 15001 26.2 52.4 56.2 61.8 67.5 70.8 72.2 77.1 80.3 82.5 83.1 84.7 85.8 86.6 86.6 86.8bE 12o0l 26.5 53.9 57.7 63.9 69.7 73.3 74.8 79.8 83.0 45.2 8.8 87.4 88.5 99.3 89.3 89.4
GE IO01 26.5 5.7 S9.7 64.8 70.8 74.4 75.9 81.2 84.5 86.8 87.4 89.0 93.1 90.9 90.9 91.0GE 9SOo 26.5 55.4 59.5 65.6 71.6 75.2 76.7 82.0 85.3 47.5 89.2 89.9 91.0 91.8 91.8 92.0E q01 26.5 55.7 59.9 66.6 72.6 76.2 78.2 83.8 87.4 89.6 90.2 02.0 93.1 93.8 93.8 94.0
GE 7001 26. 5 55.7 59.9 66.9 73.T 77.0 79.3 85.D 88.6 90.9 91.5 93.2 94.3 95.3 95.3 15.4GE 6001 26.5 55.8 63.1 67.0 73.9 77. 4 80.0 85.8 89.4 91.8 92.7 94.5 95.6 96.6 96.5 96.7
GE 5OI 26.5 55.8 62.1 67.4 74.3 78. 1 80.6 86. 4 90.1 92.4 93.4 95.1 96.2 97.2 97.2 97.3GE 4001 26.S 55.8 62.1 67.7 74.2 78.7 81.4 87.2 90.9 93.2 94.2 95.9 97.2 98.1 98.1 98.4UE 3001 26.5 55.8 62.1 67.1 74. 78.7 81.4 87.2 90.9 93.2 94.2 96.2 97.5 98.7 98.7 99.1SE 2001 26.5 55-8 63.1 67.7 74.9 78.7 81.4 87.2 90.9 93.2 94.2 96.2 97.5 99.2 99.2 100.0GE 1301 26.5 55.8 60.1 67.7 74.q 78.7 81.4 87.2 90.9 *93.2 94.2 96.2 97.5 99.2 99.2 100.0
GF 01 26.5 S5.8 62.1 67.7 74.8 78.7 81.4 87.2 90.9 93.2 94.2 96.2 97.5 99.2 99.2 100.0
TOTAL NUMRER OF OBSERVATIONS: 634
• L.
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE 0F CEILING VERSUS VISIBILITY
USAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZEE NL PLQIO OF RECORD: 77-78o80-86MONTH: JUL HOURSILSTI: 0900-1100
...........................................................................................................................CEILING VISIBILITY IN STATUTF MILES
IN I L GE GE GE G GE GE E GE E GE GE GE GE GE GEFELT f 10 6 q 3 2 1/2 2 1 112 I I/4 l Y/4 5/8 1/2 "/b 1/8 0
NO CEIL I 13.5 21.2 23.7 27.6 29.9 31.1 33.7 34.9 35.8 35.5 3N.7 35.7 35.7 35.7 35.7 35.7
GE 20000 15.1 24.2 25.8 31.6 38.U 35. 2 38.2 39.6 80.5 4O.6 40.8 4O.8 80.8 80.8 0.8 40.AGE 180001 IS. 1 24.2 26.8 31.6 34.0 35.2 38.2 39.6 80.5 4O.6 80.8 4O.8 40.8 41.8 80.8 80.8
GE 160001 15.1 2q.2 26.8 31.6 34.' 35.2 38.2 39.6 80.5 40.6 4C.8 40.8 N0.8 80.8 80.8 40.8GE 14(001 15.1 24.2 26.8 31.6 34.2 35.8 38.3 39.8 NO.6 N0.8 81.0 81.0 81.1 81.1 81.1 81.1
GE 120001 15.3 28.5 27.1 32.2 38.Q 36.0 39.1 NO.6 81.8 41.8 82.1 82.1 82.3 82.3 N2.T 82.3
bE 100001 17.4 29.9 32.9 38.5 41.8 82.8 86.1 87.5 88.5 49.0 89.7 89.8 SO. SO.2 50.2 50.2GE 90001 18.3 32.9 36.2 81.8 88.7 86.1 89.3 51.0 52.0 52.6 ST.3 53.5 53.8 53.8 S1.8 53.8
GE 83001 18.8 38.9 38.7 88.2 87.2 88.5 52.0 53.8 58.8 55.8 56.4 56.6 56.9 56.9 56.9 56.9GE 70001 19.1 35.7 39.6 45.6 N8.5 49.8 53.3 55.1 56.1 56.7 57.7 51.9 58.2 58.2 58.2 58.2
GE 60001 19.8 36.0 83.0 8S.9 88.8 50.2 53.6 55.4 56.6 57.2 58.2 58.4 58.7 58.7 58.7 58.7
GE 50001 20.6 37.5 81.8 87.5 50. 52.3 55.8 57.7 59.0 59.7 69.7 60.9 61.2 61.2 61.2 61.2
GE 450f) 2t.5 39.0 43.1 49.2 52.5 58.1 57.6 59.5 61.0 61.7 62.7 62.8 63.2 63.2 63.2 63.2bE 80001 28.8 48.2 88.5 58.8 58.1 59-7 63.2 65.3 66.8 67.6 61.6 68.8 69.1 69.1 69.1 69.1GE 5ool 26.2 86.8 51.0 57.8 60.7 62.5 66.0 68.1 69.7 70.3 71.7 71.9 72.2 72.2 72.2 72.2
GE 30001 27.8 50.2 58.8 61.5 65.0 66.8 70.2 72.8 78.0 75.0 76.0 76.2 76.5 76.5 76.5 76.5
.E 2,,OO1 28.8 53.1 57.7 68.b 68.4 70.2 73.7 76.2 78.0 78.9 79.9 80.1 80.8 80.8 80.8 80.8GE 20001 30.6 55.9 63.5
67.6 71.5 73.8 76.8 79.8 81.3 82.8 83.8 83.6 83.9 83.9 83.9 83.9
GE AU001 30,6 57.8 62.C 69.2 73.8 75.3 78.9 81.7 83.6 88.7 85.7 R5.9 86.2 86.2 8b.2 86.2
GE 15001 31.7 0.5 65.1 72.9 77.0 79.1 82.7 85.9 87.7 88.8 89.8 90.0 90.3 90.3 90.3 90.3GE 12001 32.6 61.b 67.1 7S.0 79.1 81.3 85.0 88.2 90.1 91.3 92. 92.6 92.9 92.9 97.9 92.9
GC 10001 32.6 62.0 67.8 75.3 79.8 81.6 85.4 88. 7 90.6 91.9 97.1 93.3 93.6 93.6 93.6 93.6GE 9001 32.6 62.2 67.6 76.0 80. 1 82.2 86.0 89.3 91.3 92.6 93.8 93.9 94.2 98.2 98.2 94.2
5E 8001 32.6 62.2 67.9 76.6 81.1 83.8 87.5 91.0 92.9 98.8 95.6 95.7 96.1 96.1 96.1 96.1GE 7001 32.6 62.2 68.1 77.1 81.7 88.0 88.2 91.6 93.6 95.
1 96.4 96.5 96.9 96.9 96.9 96.9
uE 6001 32.6 62.3 6?.3 77.6 82.7 85.8 89.6 93.1 95.1 95.9 9P.2 98.5 98.8 98.8 98.8 98.8
bE 5U01 32.6 02.3 68.3 77.8 83.1 85.7 90.1 93.6 95.6 97.8 98.7 99.0 99.3 99.3 99.3 99.3GE 1001 32.6 62.3 68.3 78.U 83.2 85.9 90.3 93.8 95.7 97.5 99.0 99.3 99.7 99.7 99.7 99.7
GE 3001 32.6 62.3 68.3 78.0 83.2 85.9 90.3 93.8 95.7 97.5 99.2 99.5 99.8 99.8 99.8 99.8IF ?001 32.6 62.3 68.3 78.0 83.2 85.9 90.3 93.8 95.7 97.5 99.2 99.5 99.8 99.8 100.0 100.UGE TOr 32.6 62 .3 69-.3 78.0 83.2 85.9 90.3 93.8 95.7 97.5 99.2 99.S 99.8 99.8 100.0 100.0
GE n1 32.6 62.3 68.3 78.0 83.2 85.9 90.3 93.8 95.7 97.5 99.2 99.5 99.8 99.8 100.0 100.0
TOTAL NUMBER OF OnSERVATIONS: 608
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FR:QUENCY OF OCCURPENCE OF CEILING VFRSUS VISIBILITYuSAFETAC FROM HOURLY OBSERVAIIONS
ATM WEATHER SERVICE/MAC
STATION NUMBER: U63253 STATION NAME: ZIFAIkZE NL PERIOD OF RECORD: 77-78,80-86MONTH: JUL HOURSILSTI: 1200 -1400
CEILING VISIBILITY IN STATUTE MILESIN I GE GE GE CE GE GE GE GE GE GE GE G GL GE GE GE
FEET I 10 b 5 4 3 2 12 2 1 1/2 1 1/4 1 3/4 ,/8 112 W11 1/4 0
NO CEIL 1 15.6 25.2 27.6 32.4 35.2 36.4 37.3 37.7 37.8 78.0 3A.0 38.0 38.3 38.0 3s.0 '.0
GE 2C0001 14.1 31.2 34.6 40.1 43.5 45.1 46.3 46.9 47.1 47.4 47.4 47.4 47.4 47.4 47.4 47.4bF 180001 1A.1 31.2 34.6 40.1 43.5 45.1 46.3 46.9 47.1 47.4 47.4 47.4 47.4 47.4 47.4 47.4GE 160001 18.1 31.2 34.6 40.1 43.5 45.1 46.3 46.9 47.1 47.4 47.4 47.4 47.4 47.4 47.4 47.4GE 19 '001 48.1 31.2 34 7 40.3 43.7 45.2 46.5 47.1 47.2 47.6 47.5 47.6 47.5 47.6 47.6 47.5GE 12001 14.1 31.5 35.0 40.9 44.3 4S.B 47.1 47.7 47.8 44.1 43.5 44.6 48.6 '4.6 48.6 48.6
&E 100001 21.3 37.3 4).9 46.9 50.6 52.3 53.5 64.5 64.6 54.9 66.2 S5.4 55.4 55.4 5.4 5.4GE 90001 22.2 39.4 43.1 49.4 52.9 54.9 56.2 57.1 57.3 57.7 5.0 68.2 58.2 58.2 68.2 58.2GE 0001 22.8 4.8 45.R 52.5 56.0 58.0 59.3 60.2 60.3 61.0 61.3 61.4 61.4 61.4 61.4 61.4GE 70001 23.3 43.1 47.2 54.2 57.7 59.7 61.0 61.9 62.0 62.7 b3.0 63.1 63.1 63.1 63.1 63.1GE 60001 23.6 43.5 47.7 54.6 58.3 60.3 61.6 62.7 62.8 63.4 63.7 63.9 63.9 63.9 63.9 63.9
GE 50001 26.6 46.0 50.5 57.6 61.1 63.3 64.5 65.6 65.7 66.4 66.7 66.8 66.8 66.8 66.8 66.85E 45001 27.9 49.-4 53.9 61.0 64.7 66.7 67.9 69.0 69.1 69.8 70.1 70.2 70.2 70.2 70.2 70.2GE 4C31 30.2 64.0 59.5 65.9 69.6 71.6 72.8 73.9 74.1 7N.? 75.0 75.2 75.2 75.2 76.2 75.2
GE 3S301 31.9 57.4 62.2 69.8 73.6 75.6 77.0 78.1 78.2 78.9 79.2 79.3 79.3 79.3 79.3 79.3bE 30009 34.0 60.8 66.6 73.3 77.2 79.2 80.6 BI.6 81. 8 .4 877 42.9 82.9 82.9 87.9 82.9
GE 2500 36.3 64.5 69.3 77.8 4.4 93.4 46.2 46.3 86.6 87.2 87.5 47.7 87.7 97.7 47.7 47.7GE 2000 38.4 67.4 72.7 Pi.3 B5.3 87.3 44.7 49.6 90.3 90.9 91.2 91.N 91.4 91.5 91.5 91.5E 001 39." 69.3 74.2 43.0 87.7 89.0 90.4 91.5 92.1 92.7 93.1 93.2 93.4 93.4 93.4 93.4
GE 100I1 39.5 7D.8 75.9 45.0 89.3 91.2 92.6 93. l 94.4 95.1 95.4 95.5 95.7 95.7 95.7 95.7(,E 12031 39.7 71.3 75.5 86.1 90.1 92.3 93.8 95.1 95.7 96.3 96.6 96.8 96.9 96.9 96.9 96.9
GE 10001 39.7 71.6 76.7 46.4 90.6 92.7 94.3 95.7 96.3 96.9 97.Z 97.4 97.5 97.5 97.5 97.5(, 9001 39.7 71.6 76.9 86.6 90.7 92.9 94.4 96.3 96.9 97.5 97.8 98.0 94.1 98.1 94.1 98.1
6E au01 39.7 71.6 76.9 86.6 90.9 93.1 94.9 96.5 97.1 97.7 94.0 98.1 98.3 98.3 98.3 98.3GE 7on1 39.7 71.8 77.u 86.7 91.j 93.2 95.1 96.8 97.5 98.1 99.5 94.6 98.8 98.8 98.8 98.8uE 6001 39.7 71.4 77.3 87.0 91.4 93.5 95.4 97.2 98.0 98.6 9.9 99.1 99.2 99.2 99.2 99.2
GE 6001 39.7 71.8 77.3 87.2 91.5 93.4 95.7 97.5 98.3 98.9 99.2 99.4 99.5 99.5 99.5 99.5GE 4001 39.7 71.8 77.3 87.2 91.7 94.0 9s.B 97.7 98.s 99.1 99.4 99.5 99.7 99.7 99.7 99.7GE 3001 39.7 71.8 77.3 47.2 91.7 94. 3 96.1 98.0 94.8 99.4 99.7 99.8 100.0 100.0 110.0 130.0GE 2001 39.7 71.8 77.3 47.2 91.7 94.3 96.1 98.0 98.8 99.4 99.7 99.8 100.3 100.0 100.0 100.0GE 1001 39.7 71.8 77.3 '7.2 91.7 94.3 96.1 98.0 98.8 99.4 99.7 99.8 130.0 100.0 100.0 100.0
GE 01 39.7 71.8 77.3 87.2 91.7 94.3 96.1 98.0 98.4 99.4 99.7 99.8 100.0 100.0 100.0 100.0.. . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . ...... . ... . .. . . .. . . ..... .°... .. . .....
TOTAL NUMPLR OF OSERVATN114S: 648
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 0632S0 STATIIN NAME: ZIERIKZEE NL PEPIOO OF PECORD: 77-79.80-86MONTH: JUL HOURSILSTI: 1500-1700
IN I GE GE PE GE GE G: GE GE GE GE GL GE GE GE GE GEFELT 10 6 5 4 3 2 112 2 1 1/2 1 1/9 1 3/4 5/8 12 51/16 1/N 0
NO CEIL 1 18.9 33.' 34.5 37.6 40.? 41.9 42.2 42.9 42.9 43.1 44.1 43.1 '3.1 43.1 43.1 43.1
GE 200001 23.2 '4.U 42.2 46.0 48.7 50.4 51.1 52.3 52.6 52.8 52.8 52.8 52.8 52.8 52.8 52.8GE I SCCC 3.2 40.0 42 .2 96.0 48.7 50.4 51.1 52.3 52.6 52.8 52.8 52.8 52.8 52.8 52.8 52.8.F 160031 23.2 40.O 42.2 46.0 48.7 50.4 51.1 52.3 52.6 52.8 52.8 52.8 52.8 52.8 52.8 52.8
GE 14OCO 2 3. 2 4J.4 42.b 4b6.5 49.2 51.1 51.8 53.0 53.3 53.5 5.5 53.5 53.5 53.5 53.5 53.5GE 123C0 23.7 40.9 43.1 47.0 49.9 51.8 52.5 53.7 54.0 54.Z 54.2 54.2 S4.2 5'4.2 54.2 54.2
GE luobnI 27.1 46.5 4?.1 53.3 56.Z 58.4 59.1 60.3 60.6 60.8 61.0 61,.0 61.0 61.0 61.0 61.0GE 90001 28.3 '48.4 51.4 55.9 58.9 61.2 61.8 63.0 63.4 63.5 61.9 63.9 63.9 63.9 6b.9 63.9GE 80001 31.2 53.7 57.1 61.5 64.6 67. 1 61.8 69.5 70.0 70.2 70.5 70.5 70.5 70.5 70.5 70.5GE 7CUOI 31.5 54.2 57.6 62.5 65.6 68.1 68.8 70.5 71.0 71.2 71.6 71.6 71.6 71.6 71.6 71.6GE bOO0 31.9 54.9 58.3 63.4 66.8 69.5 70.4 72.2 72.7 72.9 73.3 73.3 73.3 73.3 73.3 73.3
GE 5900 33.6 57.2 61.8 66.1 69.5 72.2 73.1 75.1 75.6 75.8 7f.1 76.1 76.1 76.1 76.1 76.1GC 4 001 35.9 60.5 64 .1 69.3 72.7 75.5 76.3 78.4 78.9 79.0 70.4 79.4 79.6 79.6 79.6 79.6GE 40001 38.7 65.6 b9.2 74.4 78.0 80.9 81.8 83.8 844.3 F'4 .5 84 .8 84.8 85.0 85.0 6.0 8S.0
GE 330 440.0 67.5 71.2 76.8 80.6 83.8 89.7 86.7 87.2 97.4 87.7 R7.7 87.9 87.9 87.9 17.9GE 3"00I 41.9 71.2 75.0 81.1 84.8 88.2 89.1 91.1 91.7 91.8 97.2 92.2 92.3 92.3 92.3 92.13
GE 25001 42.6 72.2 7.U 82.8 86.5 89.9 90.8 92.8 93.4 93.5 93.9 93.9 94.0 94.0 94.0
94.0GE 2000 '44.0 73.9 77.9 8'4.7 88.4 91.8 92.7 944.7 95.2 95.4 9' 7 95.7 95.9 95.9 95.9 95.9GE 1p00 44. 5 75.0 73.9 85.7 89.4 92.8 93.7 95.7 96.3 96.4 96.8 q6.8 96.9 96.9 96.9 96.9GE 15001 44.5 75.6 79.6 86.9 90.1 93.5 99.5 96.6 97.1 97.3 97.6 97.6 97.8 97.8 97.8 97.8bE 12(l 1 944.5 76.U 80.2 87.2 91.0 94.4 95.4 97.4 98.0 "8.1 98.5 98.5 98.6 98.6 98.6 98.6
GE IEOO 4444.5 76.1 83.4 7.4 91.3 944.7 95.7 97.8 98.3 98.5 98.8 98.8 99.0 99.0 99.0 99.0GE 9001 44.S 76.1 87).4 87.4 91.3 944.? 95.7 97.8 98.3 98.5 98.8 98.8 99.0 99.0 99.0 99.bE 8001 944.5 76.1 83.4 87.6 91.5 94.9 95.9 98.0 98.5 98.6 99.0 99.0 99.1 99.1 99.1 99.1GE 7C '44.5 76.1 831.4 87.6 9.0 95.4 96.4 98.5 99.0 99.1 99.5 99.5 99.7 99.7 99.7 99.7
GE 6001 44.5 76.1 83.9 87.6 92.T 9S.4 96.9 98.5 99.0 99.1 99.5 99.5 99.7 99.7 99.7 99.7
GE 5001 944.5 b.1 83.4 R7.6 92.u 95.9 96.4 98.5 99.0 99.1 99.5 99.5 99.7 99.7 99.7 99.7
cF 9J01 444.5 76.1 do .4 87.6 92.0 95.9 96.4 98.5 99.0 99.1 99.5 99.7 99.8 99.8 99.8 99.8G 3001 449.5 76.1 83.4 87.6 92.0 95. 4 96.9 98.5 99.1 99.3 99.7 99.8 100.0 100.0 100.0 100.0GE 2001 44.5 76.1 81.4 87.6 92.0 95.44 96.4 98.5 99.1 99.3 9Q.7 99.8 100.U 100.0 100.0 100.0GE 1001 449.5 76.1 81.4 87.6 92. ! 95.4 96.4 98.5 99.1 99.3 99.7 99.8 100.0 100.0 100.0 100.0
TOTAL NUM9ER OF OBSERVATIONS: 587
GLOUAL CLIMATOLOGY BRANCH PEkCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VFRSUS VISIBILITY4ISAFETAC FROM HOU4LY OBSERVATIONSAIR WEATHER bERVICE/MAC
STATION NUMOER: 0632950 STATION NAME: ZIERIKZE- NL P(QIOU OF PECORD: 77-66
MONTH: JUL HOURSILSTI: IM0'-2300
CEILING VISIBILITY IN STATUTE MILESIN I GE GE GE GE GE Gr GE GE GE GE GE GE GE GE , 1 SE
FEET I Il 6 5 4 3 2 1;2 2 1 112 1 1/4 1 3/4 5/8 1/2 /I6 1/4 U
NO CEIL 1 24.2 37.9 39.4 42.6 44.4 95.0 45.3 46.5 N6.8 47.1 47.1 47.1 47.1 47.1 47.1 47.1
SE 20000 29.3 45.3 47.1 50.8 52.9 53.9 54.4 56.2 56.6 56.9 5f.9 s6.9 57.1 c7.1 57.1 S7.1GE 18000 29.3 45.3 47.1 90.8 52.9 53.9 54.q 56.2 56.6 56.9 56.9 56.9 57.1 57.1
5 7.I !,7.1
fE 16r0U 29.3 45.3 47.1 5O.8 52.9 93.9 54.4 56.2 56.6 56.9 56.9 56.9 57.1 57.1 57.1 7.IUE lo001 29.3 95.3 47.1 53.8 52.9 53.9 54.4 56.2 56.8 57.1 57.1 57.1 57.3 57.3 57.3 57.3uE 120001 29.9 46.2 49.0 51.8 54.1 5.3 95.7 97.6 58.2 598.5 0 .5 9.9 58.6 58.6 58.6 98.6
uF 100001 32.3 52.1 54.5 59.1 61.3 62.5 63.0 64.8 65.4 657 65.7 65.7 66.0 66.0 66.0 Eb.0UE 9n00 33.2 44. 56.8 61.5 63.9 65.1 69.6 67.4 68.0 68.3 6.3 68.3 68.6 68.6 b6.6 68 bGF 800 34.6 58.2 63.7 65.7 68.4 69.6 70.1 72.4 73.1 73.4 73.4 73.4 73.7 73.7 73.7 73.7SE 70001 35.5 59.1 61.8 66.8 69.5 70.7 71.1 73.4 74.2 74.5 74.5 74.5 74.8 74.8 74.8 74.8GE 60O01 36.0 59.8 62.8 67.8 70.7 71.9 72.4 74.6 75.4 75.8 7'.R 75.8 76.1 76.1 76.1 7b.i
SE 5nf0 37.9 62.2 65.3 73.7 73.6 74.8 75.2 77.6 78.5 79.2 79.2 79.2 79.5 79.5 79.5 79.5LE 45,00 39.3 63-7 66.9 72.5 7s.9 76.7 77.2 79.6 80.5 81.1 81.1 81.1 81.4 81.4 81.4 91.4GE 4r0!0 42.0 68.4 71.9 77.8 81.;) 92.2 62.6 89.0 86.0 P6.6 86.6 46.6 86.9 86.9 86.9 86.9(-E 3501 41.4 70.4 73.9 79.8 83.1 84.3 84.7 87.2 88.1 98.7 84.7 88.7 89.0 89.0 89.0 89.0GE 3000 43.4 71.9 75.5 81.4 84.9 66.3 86.7 89.1 90.2 90.8 9n.4 90.8 91.1 91.1 91.1 91.1
GE 25C0 44.7 73.1 76.7 82.6 86.1 87.5 87.9 90.3 91.4 92.0 97.0 92.0 92.3 92.3 92.3 92.3,E 20001 45.3 74.3 77.9 84.0 67.6 49.0 89.6 92.0 93.2 93.8 91.8 93.8 94.1 94.1 94.1 94.1uE 18001 46.2 75.5 79.2 85.2 89.0 90.3 90.9 93.5 94.7 95.5 9S.5 95.5 95.8 95.8 99.8 95.8
1,E 1500 46.5 76.3 79.9 86.3 90.3 91.8 92.6 9S.2 96.5 97.4 97.4 97.4 97.7 97.7 97.7 97.7,E 12011 46.9 76.9 83.6 87.3 91.4 92.9 93.7 96.2 97.6 98,5 99.9 98.9 94.8 98.8 94.8 94.8
.E I001 46.5 77.0 81.0 P7.5 91.5 93.1 93.8 96.4 97.7 98.6 99.6 98.6 98.9 08.9 98.9 96.9GE 0oqiI 46.5 77.0 81. 87.5 91. 93.1 93.8 96.4 97.7 98.6 94.6 98.6 98.9 98.9 98.9 98.9SE 8001 46.5 77.2 81.1 87.6 91.7 93.2 94.0 96.5 97.9 98.8 ac,8 98.8 99.1 99.1 99.1 99.1UE 7001 46.5 77.3 81.3 87.9 92.7 93.5 94.3 96.8 98.2 99.1 99.1 99.1 99.4 99.4 99.4 99.46E 61101 46.5 77.
3 81.3 87.y 92.0 93.5 94.3 96.8 98.6 99.5 99. 99.5 99.8 99.8 99.8 99.8
lA 9O 46,9.9 77.3 81.3 87.9 92.; 93.5 94.3 96.8 98.6 99.5 99.5 99.5 99.8 99.8 99.8 99.8SE 400 46.5 77.3 81 .3 87.9 92. J 93.5 94.3 96.8 98.6 99.5 99.5 99.5 99.8 99.8 99.8 99.8GE 3001 46.5 77.3 81.3 87.9 92.1 93.5 94.3 96.8 98.6 99.7 99.7 99.7 100.0 103.0 10n.0 100.0bu 2001 46.9 77.3 81.3 87.9 92.7 93.5 94.3 96.8 98.6 99.7 99.7 99.7 100.0 100.0 100.0 100.0bE 101 46.5 77.3 81.3 47.9 92.1 93.5 94.3 96.8 98.6 99.7 99.7 99.7 100.0 100.0 100.0 100.0
uE nI 46.9 77.3 81.3 87.9 92. " 93.5 94.3 96.8 01.6 " 99.7 99.7 99.7 100.0 100.0 100.0 100.0
0181 NUR OF..R..S.RV..A.T662... .. ........IO..S.:662
TOTAL NUMBER OF OBSERVATIONS: 662
40
GLOeAL CLIMATOLOT FRANCH PERCLNIAGE Efk-QUENCY Of OCCJRPENCE )F CEILING Vrks5O5 V!S]P[LI TUSAF ITAC FROM HOURLY ObSERVATIONSAIR wEATHER SERVICE/MAC
STATION NUMBER: C63273 STAIIN NAME: ZItRIKlE NL PLPIO0 OF RECORD: 77-789J-36MnNTP: JUt HOURSILSTI: 210r-23C0
•............. .. .... ........ °..... . . ...... ,,...,..o.. ... ... ,,. ..... o. . .. . . . . . . . . . . . . . . . . . . . . . .
LELI 19 VISIPILITY IN STATUTEE MILESIN I GE GE GE GE E GE GE GE GE nt GE GE GE G1 'F
FEET in0 6 5 4 2 1/2 2 1 12 I /N I 3/4 5/8 12 51 6 1/4 0
NO CELL I 19.8 33.7 34.6 38.7 41.9 43.8 44.4 46.4 46.8 47.2 47.9 97.9 47.9 41.9 47.9 47..
GE 200001 22.7 38.4 43.5 5.4 498.7 5u.7 51.3 53.6 54.0 4.4 5'.2 ,5.2 55.2 "S.2 5 .2 'S.2GE 180001 22.7 38.4 43.5 45.4 48.7 50.7 51.5 53.8 54.2 5.6 S'. 4 15.4 55.4 5S. 4 55.4 SS.4SE I bfoI 22.7 38.4 43.5 45.4 49.7 50.? 51.5 53.8 54.2 S4.6 511.4 95.4 55.4 55.4 55.4 !S 4
GE I970 22.7 38.4 43.5 45.4 498.7 50.7 51.7 54.0 54.4 54.8 S .b 5,.6 55.6 55.6 5.6 55.6GE 120001 22.7 38.6 47.1 95.6 48.9 50.9 51.9 S4-.2 54-6 ;5.0 55.8 55.8 55.9 55.8 55.8 C5.
GE WOOD 2S.0 42.9 45.0 50.1 S3.b 55.6 56.6 58.9 59.3 S9.7 bu.5 bo0.5 bo.5 60.5 bf.5 6c.5GE 900 26.4 41. . 47.6 52.8 56.4 58.3 59.5 61.8 62.2 62.6 6 .4 63.9 63.4 63.4 63.4 63.4,E 83001 27.2 47.2 53.1 55.4 59.1 61.1 62.2 65.0 65.4 65.8 6b.5 66.5 66.5 66.5 b6.5 66.5GE 7plo0 27.6 47.7 51.1 56.6 60.3 62.2 63.4 66.1 66.5 66.9 67.7 67.7 67.7 67.7 67.7 67.7CE 60OU1 28.2 48.9 52.3 57.1 62.1 64.0 65.2 67.9 68.3 68.7 6Q. 5 69.5 69.5 69.5 69.5 65.5
GE Snool 29.2 5U.7 54.0 59.5 64.u b6. 1 67.3 70.3 70.6 71.0 77.0 72.0 72.0 72.0 72.0 72 .1L
6E 45 0 30.1 52.3 55.6 61.1 65.6 67.9 69.1 72.0 12.4 72.8 71.8 73.8 73.8 73.8 73.8 73.8
,E 4rO1 33.5 57.9 61.3 67.1 72. 74.4 7-.9 79.3 79.6 90.0 B1.0 91.0 81.0 81.0 81.0 01.0bE 35001 34.6 59.b 62.6 69.0 74.0 76.3 77.9 81.Z 81.6 82.0 83.O 83.0 83.0 93.0 87.0 F 63.0GE 30011 35.8 62.2 65.9 72.2 77.1 79.5 81.0 84.3 84.7 85.3 86.3 86.3 86.3 96.3 86.3 86.3
GF 25001 36.8 63.6 67.1 73.6 78.7 81.0 82.6 86.1 86.5 87.1 88.1 88.1 88.1 98.1 88.1 88.1GE 2CO0O 37.0 64.4 65.5 75. u 80.f 92.4 84.0 87.5 87.9 88.5 89.4 89.4 89.4 89.4 89.4 89.45E IS[)o1 37.0 65.2 69.5 76.1 81.' 83.6 85.1 88.6 89.0 89.6 90.6 90.6 90.6 30.6 90.6 90.bGEF 15001 37.8 67.5 71.6 78.7 83.9 46.1 87.7 91.2 91.6 92.6 97.5 93.5 93.5 93.5 93. S3,5
LE 12001 38.7 69.5 74.0 81.4 86.7 89.2 90.8 94.5 94.9 95.9 96.9 96.9 96.9 96.9 96.9 96.9
GE 1C00 3P.9 69.7 79.2 81.6 86. 89.6 91.2 94.9 95.3 96.3 97.3 97.3 97.3 97.3 97.3 97.3
GF 9001 39.9 69.9 74.4 81.8 87.1 89.8 91.4 95.1 95.5 96.5 97.5 97.5 97.5 97.5 97.5 97.5u E AU1 38.9 70.1 74.6 82.0 87.' 90.0 91.6 95.3 95.7 96.7 97.7 97.7 97.7 97.7 97.7 97.76E 7001 38.9 70.1 74.6 82.0 87.5 90.4 92.0 95.7 96.1 97.1 99.0 98.0 98.0 98.0 9P.0 98.0GE 6GCO 39.9 7.1 74.6 82.4 87.9 9L.8 92.4 96.1 96.7 97.8 99.8 99.8 98.8 98.8 98.8 98.8
uE SUI 38.9 70.1 74.6 92.4 87.1 91. 2 92.8 96.9 97.5 98.6" 99.6 99.6 99.6 99.6 99.6 P9.6IE 4001 38.9 70.1 74.6 92.9 97.9 91. 92.8 96.9 97.5 Q8.6 99.6 99.6 99.6 99.6 99.6 99.6
300 38.9 70.1 7,b 92.4 87. 91,2 92.8 96.9 97.5 98.6 99.6 99.6 99.6 99.6 99.6 99.6bE 2301 3S9 70.1 79.b 82.4 87.9 91.2 92.8 96.9 97.5 98.6 99.6 99.6 99.6 100.0 100.0 100.0
[ lull 38.9 70.1 74.6 92.4 87." 91.2 92.8 96.9 97.5 98.6 90.6 99.6 99.6 100.0 1077.0 100.0
(E 0I 3A.9 70 . 1 74.b 2 . 4 87.9 91. 2 92.8 96.9 97.5 48.6 99.6 99.6 99.6 10r.0 100.0 100.0
IOTAL NUMPER F O8SEPVaTIONS: ilI
J°o.
4)im m l i ammm mmii
ULUuAL CLIMAIOLOGY BRANCH PEACENTA&E F9:UENCY OF OCCURENLE OF CEILIN 8FRSU VISIPILIITY
USAFI.T AC FROM HOURLY 08SRVIIONSAIR F(ATHER SERVICE/MAC
57AIIi NUMSER: 013750 STA1 17*4 NAME: ZI[KZ N fL IOD Of PECORO: 77-86MONTH: JUL HOURSILSTI: ALL
VI*S '1I4 9 11111 I', *N S 'AI U,7IE, MI LL ,S1 I !GL GE GE GE GE c , GE GE GE E t . GE GE GE I[
FI i 0 6 5 4 3 2 192 2 1 112 1 1/4 1 1/4 I8 12 ,/ Ib 1/4 0
NC CElIL 1 16.9 27.6 24.7 33.3 35. 9 37.2 38.2 39.8 40.5 41.2 41.4 '1.5 41.7 41.8 41.8 41.9
(j. 20000 19.4 32.1 34.6 36.9 41.5 43.1 44.2 46.3 47.1 47.9 49.2 48.4 48.6 48.7 48.7 48.8G(E I8 uG 19.4 32.1 34.6 38.9 41.5 43.1 44.3 '46.3 47.1 47.9 4P. 9.84 48.6 48.7 98.7 49.8
.,L 16I'uO) 19.4 32.1 34.6 38.9 41.6 43.1 44.3 46.3 47.1 47.9 44.2 48.4 48.6 48.7 4A.7 49.8ur wo01 19.4 3. 2 34.7 39.0 41.7 43.3 44.4 46.5 47.4 48.2 491.4 48.6 48.9 49.0 4').0 49.1(( 1, IcoI 19. 5 32.5 35.1 9.5 42.' 43.9 45.1 47.2 48.1 48.9 49.2 99.5 M9.7 49.8 9q.9 50.0
b F 100001 Z22. 0 31f.8 '42.6 45. 3 '4M.3 56.0 51s.3 53. 5 54.5 55.'. 55 .8 56.1 56.4 56.5 56.6 56.7F 9ILO1 27.9 39.9 42.9 47.8 50.0 S2.7 54.0 56.2 57.2 S8.2 59.6 58.9 59.2 49.3 59.4 59.561 83001 23.9 42.b 45.9 50.9 54.1 56.0 57.3 59.8 60.8 61.8 62.1 62.6 62.9 63.0 63.0 63.2,r oan 1 24.4 43.4 46.7 52.0 55.7 17.I 5P.4 60.8 61.9 62.9 61.4 63.6 63.9 64.1 64.1 64.2% brOth 24.9 43.9 47.4 52.7 56.1 57.9 59.3 61.9 63.0 64.U 64.5 64.7 65.0 65.2 65.2 65.3
(1E 5000 26.3 46.3 49.5 55.1 58.5 60.5 61.9 64.b 65.7 66.8 67.3 67.5 67.8 68.0 68.0 66.1E 4500 21.9 48.6 5?.3 57.9 61.' 63.5 64.9 67.6 68.8 69.8 70 .3 70.6 70.9 71.1 71.1 71.2
f( 4n00 30.6 53.6 57.4 63.3 67.0 59.0 70.5 73.3 74.5 75.5 76.0 76.3 76.6 76.8 76.8 76.9F 3500 1 32.0 55.8 59.7 65.7 69.6 1.7 73.2 7 7.0 7.2 18.3 7P.6 79.0 79.q 79.5 79.5 79.7of 31001 33.5 58.6 62.6 68.8 72.9 75.0 76.4 79.2 80,5 81.6 B?.1 92.4 82.7 82.8 82.9 83.
0
GE 2500 34.5 60.4 64.4 70.8 74.q 77.0 78.5 81.4 82.7 P3.9 84.4 94.6 85.o 8.1 85.1 85.36E 210) 35.6 62.3 65.4 3.0 77.1 79.4 80.9 93.9 85.2 F6.4 86.9 17.1 87.5 87.7 87.7 87.8GE 16001 36.1 63.b 67.7 74.4 78.6 80.9 87.4 85.5 86.8 88.0 9.9; 98.8 89.1 89.3 89.3 89.4
bE 1500) 36.7 65.5 63.8 76.8 81.1 93.5 85.1 88.3 89.7 90.9 91.4 91.7 92.0 92.2 92.2 92.3.E 12001 37.1 66.5 71.0 789.4 82.H 85.3 86.9 90.1 91.5 92.7 933 93.5 93.9 94.1 94.1 94.2
rF 1C00 3- 66.9 71.5 79.0 8.q 86.0 87.7 90.9 92.4 '3.6 94.1 94.4 94,8 94.9 94.9 95.1Ut 9C0 67.2 71.9 79.6 94.1 86.6 898. 91. 7 93.1 94.4 94.9 95.2 95.6 95.7 95.7 95.9fE gol 7. 1 67.4 72.2 80.1 84.7 7.3 89.2 92.6 94.0 95.3 96.9 96.2 96.5 96.7 96.7 96.8
CE 70 37.1 67.5 72.3 80.4 eS.2 87.8 89.8 93.3 94.8 96.1 96.7 77.0 97.3 97.5 97.5 97.6
SE 6001 37.! 67.6 72.4 8O.b 85.h 98. 2 90.3 93.9 95.6 97.0 97.6 91.9 98.3 98.5 99.5 98.7
GE 5?) 3 7.1 67.6 7?.4 83.7 85.7 48.4 90.5 94.2 95.9 97.3 97.9 98.3 98.6 98.8 99.8 99.0bE 4001 37.1 67.6 72.4 80.8 85. 48.6 90.8 94.5 96.2 97.6 99.3 98.6 99.a 99.2 99.2 99.4(( 3001 37.1 67. 77. 80.8 85., 98.7 90.8 94.5 96.2 97.7 99.4 94.8 99.2 99.5 99.5 99.7
ou 20 0 37.1 67.6 72.4 90.b 8%.Q Fl8.7 90.8 94.5 96.2 97.7 99.4 98.8 99.3 99.7 99.7 100.0Sr 100) 37.j 67.6 72.4 40.8 85.4 99.7 90.8 94.5 96.2 97.7 9P.4 98.8 99.3 99.7 99.7 100.0
(IF 3 37.1 67.6 72.4 90.9 85. 98.7 90.8 94. 5 96.2 97.7 99.4 98.8 99.3 99.7 9Q.7 100.0...............................................................................................................................................
TO1L NUMER OF OqSf9AI3NS: 4602
4mmm il I lI
GLOsAL CLIMATOLOGY ARANCH PEACENI7GE FR'OUENCY OF OCCURQENCE OF CFILILh vrRSUS VISIBILITY
uSAFE T AC FROM HOURLY O.SERRATIONSAIR eFATHER SERVICE/MAC
STATI014 NUMPLR: 063250 SIAION NAME; ?IRIK;E NL P'E10L OF FECORD 78,80-86
MONIH: A UG HOURS(LSTI: GOGO-200C
CE FLING VIIIIYI TTT IE
1N C GE GE 6t SE GL G- GE GE GE GE L Gr E 1 E GL GEFEEl I l 6 t 4 3 12 2 1 1/2 I 1/4 1 T/N /8 1/2 5/16 1/4 0
NO CEIL I I1.. 94., 39.c 46.8 52., 54.1 55.5 51.7 58.1 58.6 5Q.9 59.0 59.0 59.2 59.2 £9.2
GE ooo3 22.4 36.1 39.5 4.7 54. 5b. b 57.9 60.3 b0.9 62.0 b?.b b2.b 62.b 62.8 62.B b2.8,E 18I0or03 22.. 16.11 3.5 48 1 54.9 56.6 57.9 60.3 60.9 62.0 C2.6 62.6 62.6 62. : 62.4 62.8
GE 16 O71 2?.4 36 . 39.5 48.7 54.9 56.6 579 60.3 60 .9 62.L, 62.6 62.6 62.6 62.8 62.8 62.8CE 14'b00 o 2.:4 3b.1 39.5 48.7 1N., 16:6 51.9 60.3 60.9 62.C b2.6 62.6 62.6 62.8 b2.8 62.3LE 120l 22.4 6.3 38.7 48.9 5 56.8 54.1 61 1 67 6 6.8 61.3 b3.3 63.3 63.5 63.5 63.5
(', boUO 25.2 4,. 43.8 S3.6 60. 62.U 63.3 66.5 67.1 68.2 6.8 68.8 68.8 69.0 69.0 69.UuE 90001 25.4? 4. 5 45.3 55.5 b2.2 63.9 65.2 68.4 69.0 70.1 7n.7 70 7 70.7 70.9 70.9 70.96O a8200 I 26.1 42.7 4.6 57.0 63.7 65. 4 66.7 70. 1 70.7 71.8 72.4 72.4 72.4 72.6 72.6 72bUE Ir; 0 26. 43.1 47.3 57.3 64.1 6S.6 67.1 70.5 71.1 72.2 72.7 72.7 72.7 72.9 72.9 72.9
bE 6tCO1 26.1 43.2 41.2 57.5 64.3 66.0 67. 3 70.7 71.2 72.4 72.9 72.9 72.9 73.1 73.1 73.1
,O O 50002 :7.4 45.1 49.4 59.8 66.5 68.2 69.5 73. 1 73.7 74.8 7).6 75.6 75.6 75.8 75.8 75.8GE 4Ir3O UP 4.2 45.9 5. b 8.5 67.9 69.0 70.3 73.9 74.4 75.6 76.3 76.3 76.3 76.5 76.5 76.5GF 4D1 29.5 48.7 53.2 63.5 70.6 72. 4 73.7 77.6 78.2 79.5 8r. 3 80.3 80.3 80.5 83.5 90.5
6( E on 31.1 49.8 54.9 65.2 72.2 74. 1 75.4 79.3 79.9 81.2 82.n 92.0 82.0 42.1 82.1 82.1GO 3001 31.4 52.8 S4.1 69.0 76.3 78. 6 79.9 84.0 84.6 85.9 86.7 86.7 86.7 8b8 36.8 86.8
O 25301 32.7 55.5 63.9 72.4 79.9 82.1 83.5 87.6 88.2 89.5 90.2 90.2 90.2 93.4 93.4 90.4GE zo0 33 .3 56.4 62. 73.5 81.7 83.5 84.8 89.1 897 91.0 91.7 91 . 91.7 91.9 91.9 91.9
E 1c4 3: 33.3 56.8 b.6 74.2 82.1 84.4 85.7 90.0 90.6 91.9 92.7 92 92.7 q2.9 92.9 92.9(,( 15001 -3.5 57.7 63.7 75.4 83.6 86.1 87.4 91.7 92,3 93,b 94.4 94.4 9.4 94.5 94.5 94.550 1700 33.6 58.3 64.3 75.9 84.2 86. 7 88.0 92.5 93.0 94.4 9 I1 95.1 95.1 45.3 95.3 95.3
uO E l"o 3 3.6 8.6 64.7 76. 3 84.6 87.0 88.3 93.0 93.6 94.9 9 .7 95.7 95.7 Q5.9 95.9 95.9('F 9LO 39.6 58.8 64.8 76.7 85.r 87. 4 88.7 93.4 94.0 95.3 96.1 96.1 96.1 96.2 96.2 96.2(O 4 00 33.6 59.2 65.2 77.4 86.1 88.5 89.8 95.1 95.7 97.0 97.7 97.7 97.7 Q7.9 97.9 97.9GE 7001 33. 59.2 65., 77.8 86.9 89.3 90.6 95.9 96.4 977 94.5 98.5 98.5 98.7 98.7 98.7GE 6 QC 33.6 ,9.2 65.6 78.9 87.6 9C.0 91.4 96.6 97.2 98.5 99., 99.2 99.2 99.4 99.4 99.4
CE 3.0 33.6 5.e 65.6 78.4 87.1 90 0 91.4 97.0 97.7 99.1 99.8 99.8 99.8 11U.0 100.0 170.0Of WG0I 31.6 {9,2 65.6 78.4 87.6 90.0 91.4 97.0 97.7 99.1 99.4 99.8 99.4 100.0 1030 100.0tE 0 P 33 .6 59.. 65.( 74.4 87.6 90.0 91.4
97.b 97.7 99.1 99q.8 99.8 99.8 10o.0 100.0 100.0
0 2U0 33.6 9 .2 65.b 78.4 87.6 9U 0 91.4 97.0 97.7 99.1 99.8 99.8 99.8 100.0 100.0 100.0f 11DO1 33., ,9., 66.b 78.4 87.5 90.0 91.4 97.0 97.7 99.1 99.8 99.8 99.R 100.0 I00.0 100.0
G( ') 33.6 59.2 65.6 74.4 87.6 9u.U 91.4 97.0 97.7 99.1 99.9 99.8 99.8 100.0 IcO.O 100.0
TOTAL NUMPL8 t^ OPSF4VAIONS: 532
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FRQUENCY OF OCCURqENCE OF CEILING V[RSbS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICEJMIAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE[ NL PERIOD UF ECORD: 78,80-8bMONIH: AUG HOUIJSILSTI: 0309-0S06
CEILING VISIBILITY IN STATUTE MESIN GE GE GE GE GE G- GE GE GE GE rL GI G GE r, GE
FEET in 6 5 4 3 2 112 2 1 112 1 1/4 1 3/4 '/b 1/2 5/6 1/ I
. . ..................................................................................
NO CEIL 1 13.2 24.8 27.9 33.4 36.9 !9.3 40.7 44.4 45.8 N7.3 4,7 4T.7 41.5 , 49.3 45 ll.l
GE 200001 14.3 217.1 30.5 36.3 40.1 42. 6 44.0 48.5 50.1 1.9 "'.3 '-2.3 51.3 ,4.j I',.2 5."(,E 180001 14.3 27.1 33.5 36.3 40. 1 42.6 44.0 48.5 50.1 51.9 V'.T .2.3 ST.O ''4.1 54.2 ..
.[ 160001 14.3 27.1 33.5 36.3 40.1 42.6 44.0 48.5 50.1 51.9 t..3 5 2.1 51.1 ' '4. 55.4GE 1t40001 14.3 21.1 3 - 36.3 40.1 43.6 44.0 48.5 S.1 51.9 2.3 2.3 53.3 '.3 %..2 '5.GE 120001 14.5 27.3 33.6 3E 7 40.5 43.0 44.4 48.9 50.5 52.3 52?. 7 2.1 5.. 4 4.4 4 .5 '5s6
6 E IC000 16.3 31.0 34.6 40.7 45.1 48.3 49.7 54.4 56.2 58.(, 5g.! ' S. 5.1 £,. 1 s.3 t1.5GE 90013 1b.7 32.6 36.1 42.2 47.3 49.9 51.3 56.2 58.0 S9.7 6n., . '.5 61.1 t?.1 tP.5 fl.?GE 80011 17.3 33-6 37.5 43.8 48.9 51I7 53.2 58.5 60.3 62. 1 2.7 f,2.9 63.7 64.b 4.8 L6.u 70001 17.5 34.2 37.9 44.2 49.5 52. 1 53.6 58.9 b10.7 62.5 5'.1 1. 3 b1.U , t.2 6L.4GE 60131 17.5 34.2 37.9 44.2 49. ' 52.3 53.8 59.1 60.9 62.7 b I. I I.5 64.2 5.2 -. 4 6-t.b
GE 50G0 18., 35.6 39.5 46.0 51.1 54.i 55.8 61. 1 b2.9 t4.6 t 1. 65.4 66.2 6, 7.2 7.4 h,bGE 45oo1 20.2 37.7 41.5 47.9 53.4 56.6 58.2 63.5 1.5.2 67.1l 47.6 f,.8 64.6 9, b6' . L .;G[ 40091 2.20 41.3 45.2 5z. 3 57.R 60. 9 62.5 68.0 19.7 71.5 1.1 123 71. 1 74. 1 43 7 .4GE 3t.OOI 22.8 42.8 47.J 54.0 59.5 62.7 64.4 70.1 71.9 .3.7 14 . 74.5 15.2 76., 75.4 77.6GE 3000 24.0 45.2 4?.3 56.4 62.Q 16.0 67.8 73.5 15.4 71.2 7 1.q 14.0 8 7. 7 . fill'. I ' .I
GE 25601 25.9 48.5 52.7 59.7 66.4 69.7 71.5 ?.2 79.2 80.9 R.' 'I.? 62.5 #3.5 FI S4. qGE 2U001 2F..5 49.7 53.8 60.9 67.6 710.9 72.7 78.4 80.8 *2.1 92.7 -2.4 ff.7 4.1 #I,9 6.1GE IUO 26.9 6q.j 54.2 61.7 64.P 72.1 74.1 79.4 81.7 3.5 84.1 94.3 85. 1 b. .2 F7.4LE 1500 26.9 50.9 55.4 63.3 70V.6 73.9 75.4 83.5 93.5 .5. 3 A,.4
4s.I 46.4 '7. t3 .3 P9.2
GE 1iroO 27.3 SI.7 56.6 64.b 77.1 75.6 7.6 81.5 85.. R7.4 0.2 p4.6 89.4 "0. 4 4. 1.7
GE I0 27.3 2 2. 3 57.2 65.2 72. 76.4 78.4 84.5 86.4 q4.4 49. '3.6 9,. 4 I.4 41.6 "5.7
GE 9L01 27.7 ' 3.4 5.5 66.8 74.5 78.0 80.0 86.2 88.2 90., 0 91 .4 92.1 3.1 97.3 4s.5(oF GO Z 17.7 53.4 54.9 61.2 74.9 78.4 80.4 87.2 82 I. 4 5 2. 3 12.7 91.5 94.5 94.7 45.9GE 700 27.7 53.8 59.9 68.2 76.? 79.8 83.7 88.6 90.8 92.7 9.7 94'.l1 94 .4 45.9 4f6.1 7 .2GE 600 27.7 4 .0 65 .1 68.8 77.2 80.9 82.9 YU.2 92.3 99.3 S,. 3 45.7 96.' 97.4 97.6 C8.6
GE 1un 1 27.7 54 .0 63.1 68.8 17.2 J0.9 82,.9 90.4 92.5.S .5 95.5 .5,9 96 .7 97.6 97.8 39. 5
GE 401 27.7 '4.3u 62.1 6 9.L 77.4 MI. 83.1 90.6 -. 7 94.7 5.7 '46.1 96.9 97.8 93. 39,,(IE ( J ,7.7 54.0 b1.1 69.
U 77.4 81.1 83.1 9(.8 9.9 94.9 .' .9 96.3 97. 1 08.0 9P.2 Q;,4
CE 201 n 27. 4.L U3.1 69.0 17.4 R.1 83.1 99.8 2. 95.1 96.! 6.5 97.2 q8.2 99.4 99.6bE 1OCI 27.7 54.0 63.1 69.1 77.4 1.1 83.1 90 8 92.9 '5.3 46.3 96.7 97.4 98.4 99.6 12u.0
br 0 27.7 ,4. t, 61.1 f9. 60 77.4 83.3 8k.1 993.8 92.." 9.3 V6.I Q6.7 97.4 48.4 99.6 1O0.0.,, ...... .. o . .,.,. . ... .. ° ... , ..... ,,........ ... ,... ..... ....... , ... . ........ ,......... .,.. ....... . .... ., ........ .. .....
10AL NUMB[R OF OPFVTINS: u 9
I:mnImnu m mnnm l m Il ml n I
aD-Ai83 267 ER~ SMT LII3J 3/
UNCLASSIFIED UYt DS-I' C 2 M
ST IWI$"em M
I _l
Li~12.2
'r")COPY RESOLUTION rEST CHART
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FR:QUENCY OF OCCURRENCE oF CEILING VrRSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZES NL PERIOG OF RECORO: 77-86
MONTH: AUG HOURSILSTI: 0600-0800
.. ....................................................................................... ............................CEILING VISIBILITY IN STATUTE MILES
19 N GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE GEFEET 3 10 6 5 9 3 2 112 2 1 112 1 1/4 1 3/4 5/8 112 5/16 1/9 0
NO CElL 1 10.3 18.1 19.6 22.5 2q.9 26.? 27.0 31.2 32.4 39.9 36.6 36.7 37.0 37.8 3R.1 39.9
GE 200001 12.0 20.7 22.8 26.9 29.8 31.6 33.0 36.6 38.0 90.9 42.1 92.4 93.1 99.0 44.3 95.5GE 180001 12.0 20.7 22.8 2b.4 29.8 31.6 33.0 36.6 38.0 90.9 92.1 42-9 93.1 99.0 99.3 45.5GE 166001 12.0 20.7 22.8 26.9 29.8 31.6 33.0 36.6 38.0 90.9 92.1 92.9 93.1 44.0 99.3 95.5GE 190001 12.0 20.7 22.8 26.9 29.8 31.6 33.0 36.7 38.1 90.6 92.3 42.6 43.2 44.1 99.9 95.76E 120001 12.2 21.1 23.3 26.9 30.2 32.1 33.5 37.2 36.6 91.5 93.2 93.5 99.1 95.1 45. 96.8
GE 100001 19.0 25.3 27.8 32.1 36.9 36.6 90.1 93.8 95.2 98.6 50.3 50.8 51.7 52.6 52.9 59.5GE 90001 19.8 26.9 29.6 34.1 38.9 90.6 92.3 96.1 97.7 51.1 57.9 53.4 59.3 S5.2 55.6 57.1GE 80001 15.1 27.8 31.0 35.6 90.1 9Z.3 99.1 98.5 50.0 53.5 55.9 55.9 56.8 57.7 58.0 59.6
GE 70001 15.1 27.8 31.2 36.1 90.6 92.7 99.6 98.9 50.5 59.0 55.9 56.3 57.3 58.2 S.5 60.0
GE 60003 15.3 27.9 31.5 36.6 91.0 93.2 95.1 99.9 50.9 5q-5 56.3 56.8 57.7 58.6 59.0 60.5
GE 50001 16.2 29.8 33.3 38.4 92.9 45.2 97.2 51.7 53.9 56.9 58.8 59.3 60.2 61.1 61.9 63.0
GE 95001 17.0 31.0 35.2 90.3 99.9 97.1 99.1 53.7 5s.q 59.0 60.8 61.3 62.2 63.1 63.9 65.0GE 90001 19.0 35.2 3 .5 99.9 99.5 51.9 59.0 58.6 60.5 69.0 66.0 66.5 67.9 68.9 69.7 70.2GE 35001 20.2 37.5 91.8 97.9 52.6 59.9 57.1 61.9 63.7 67.3 69.3 69.8 70.7 71.6 71.9 73.5GE 30001 22.8 91.8 96.1 52.2 57.9 59.7 62.0 66.8 68.8 72.9 74.4 79.8 75.8 76.7 77.0 78.5
GE 25003 29.1 93.8 49.3 59.6 59.9 62.2 69.5 69.6 71.6 75.2 77.3 77.8 78.7 79.6 79.9 81.5
GE 20001 25.0 96.0 93.6 57.7 b3.1 65.4 67.7 72.8 75.0 78.7 AI.n 81.5 82.9 83.3 83.6 85.2GE 18003 25.6 96.8 51.9 58.8 69.9 66.7 69.0 79.2 76.9 80.1 87.9 82.9 83.8 89.7 85.0 86.6GE 15001 26.9 98.1 52.8 60.5 66.9 68.7 71.1 77.2 79.3 83.2 85.5 86.0 86.9 87.8 88.1 89.7GE 12001 26.7 98.8 53.5 61.7 67.7 7C.2 72.8 78.9 81.0 85.2 8R.0 88.9 89.8 90.3 90.6 92.1
GE 10001 26.7 98.9 53.9 62.3 68.9 71.0 73.6 79.6 81.8 86.0 88.7 89.2 90.1 91.0 91.9 92.9GE 9003 26.7 99.1 59.2 62.7 68.7 71.3 73.9 80.1 82.3 8b.9 89.7 90.1 91.0 92.0 92.3 93.8GE 8001 26.7 99.1 59.3 63.0 69. 71.6 79.9 80.6 83.0 87.5 91.2 91.8 92.9 93.8 99.1 95.7GE 7003 26.7 99.2 59.5 63.6 69.6 72.2 75.0 81.5 89.1 88.6 92.6 93.2 99.3 95.2 95.5 97.1
GE 6003 26.7 99.2 59.5 63.6 69.6 72.2 75.0 82.1 84.7 89.9 93.9 99.1 95.2 96.1 96.5 98.0
GE 003 26.7 92 59.5 63.6 69.6 72.2 75.2 82.9 85.3 90.1 99,1 99.9 96.0 96.9 97.2 98.8GE 9003 26.7 99.2 59.5 63.6 69.6 72.2 75.2 82.6 85.8 90.6 99.6 95.9 96.5 97.9 97.7 99.2
GE 3001 26.7 99.2 59.5 63.6 69.6 72.2 75.2 82.6 85.8 90.6 99.8 95.5 96.6 97.5 97.8 99.,GE 2003 26.7 99.2 59.5 63.6 69.6 72.2 75.2 82.6 85.8 90.6 99.8 95.5 96.6 97.5 97.8 99.5GE *003 26.7 -9.2 59.5 63.6 69.6 72.2 75.2 82.6 85.8 90.6 99.8 95.5 96.6 97.5 97.8 99.8
GE 01 26.7 99.2 59.5 63.6 69.6 72.2 75.2 82.6 85.8 90.6 99.8 95.5 96.6 97.5 97.8 10OO0
tOTAL NUMBER OF OBSFRVAIONS: 698
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILIN6 VERSUS VISIBILITY
USAFETAC FROM HOURLY OBSERVATONS
AIR WEATHER SERVICE/MAC
STATION NUMBLR: 063250 STATION NAME: ZIERIKZE: ML PERIOD OF RECORD: 77-78,80-86MONTH: AUG HOURSILSI: 0900-1100
.......................................................................................................................................CEILING VISIBILITY IN STATUTE MILES
IN I GE GE GE GE GE G GE GE GE GE GE GE GE GE GL GE
FEET I 1o 6 5 4 7 2 112 2 1 112 1 1/4 1 3/4 5/8 112 5/16 1/4 0
2 NO CEIL 1 12.2 23.5 24.4 26.8 29.9 32.7 35.5 38.5 39.3 39.9 40.8 40.8 40.8 40.8 40.8 40.8
GE 200001 13.9 27.1 2S.0 30.5 3,.6 37.6 40.5 43.37 44.4 4.1 46.0 46.0 46.0 46.0 46.0 46.0GE 18000l 13.9 27.1 28.0 30.5 34.6 37.6 40.5 43.7 444 45.1 46.0 46 0 46. 46.0 46.0 6.0GE 160001 13.9 27.1 28.0 30.5 38.6 37.6 40.5 43.7 84.4 45.1 46.0 4b.0 46.0 46.0 46.0 q6.o
GE 140001 13.9 27.2 2;.5 31.0 35.2 38.2 41.3 44.4 45.2 45.9 46.8 46.8 46.8 46.8 46.8 46.80 GE 120001 19#7 p9.0 31.2 32.7 37.1 40.1 43.3 46.5 47.4 8.4 49.3 49.3 49.3 9.3 993 4993
GE 100001 14.3 34.3 35.8 39.6 44.9 47.9 51.3 55.1 56.2 57.1 58.1 58.1 58.1 58.1 58.1 58.1GE 90001 18.3 34.9 36.6 40.5 46.3 49.3 52.7 66.5 57.9 58.8 60.1 60.1 60.1 60.1 60.1 60.1GE 80005 19.1 36.6 38.7 43.0 48.8 51.8 55.4 59.2 60.6 61.5 62.8 62.8 62.8 62.8 62.8 62.8
GE 70001 19.1 36.6 35.7 4,.0 490 52.0 55.6 59.3 bO7 61.7 62.9 62.9 62. 9 62.9 62,9 62.9GE 6000 19,2 36.9 39.1 ,3.5 49.S 52.4 560 59.8 61.2 62.1 63.4 63.4 63.4 63.4 63.8 63.4
GE 5000 19.7 37.7 40.1 44.4 50.7 53.5 57.3 61.2 b2.6 63.5 64.8 64.8 64.8 64.8 64.8 64:8( GE 4CO0I 21.1 39.7 42.6 46.9 531 56.2 59.9 63.8 65.3 66.2 67 67. 67.4 67.4 67.4 67.4
GE 40001 24.3 44.1 47.1 52.0 58.1 61.2 64.9 68.9 70.3 71.2 72.5 72.5 72-5 72.5 72.5 72.5
GE 35001 27.1 47.9 51.0 56.0 62.3 65.6 69.3 73.2 78.6 75.6 76.8 76.8 76.8 76.8 76.8 76.8GE 3000 28.8 52.1 56.4 60o7 67.1 70.6 74.6 78.6 80.0 80.9 82.2 82.2 82.2 82.2 82.2 82.2
GE 25001 30.0 54.9 58.2 63.5 70.0 73.4 77.5 81.4 82.8 83.7 85.0 8S.0 85.0 85.0 85.0 85.0GE 20001 31.1 57.0U 63.4 66.0 72.9 76.5 80.6 84.5 86.2 87.2 84.7 86.7 88.7 88.7 88.7 88.7
GE 1800f 32.4 59.0 62.9 68.9 75.7 79.3 83.4 87.6 89.4 90.3 91.9 91.9 91.9 91.9 91.9 91.9GE 15005 33.2 60.9 64.9 71.2 78.2 81.8 85.9 90.6 92.3 93.3 94.8 94.8 94.8 94.8 94.8 94.8
* GE 12001 33.5 62.0 66.0 72.5 79.R 83.4 87.5 92.3 94.1 95.0 96.6 96.6 96.6 96.7 96.7 96.7
GE 10001 33.5 62.1 66.4 72.8 80.1 83.9 87.9 93.0 94.7 95.8 97.3 97.3 97.3 97.5 97.5 97.5GE 9001 33.5 62.1 66.4 72.8 80.3 84.0 88.1 93.1 94.8 96.1 97.7 97.8 97.8 98.0 98.0 98.0GE 8001 33.5 62.1 65.4 72.9 80.6 84.4 88. 93.6 95.3 96.7 98.3 98.4 98.4 98.6 98.6 98.6GE 70n1 33.5 62.1 66.4 72.9 80.6 84.4 88.4 93.6 95.3 96.7 9R.3 98.4 98.4 98.6 98.6 98.6
GE 6001 33.5 62.1 66.4 72.9 80.6 84.4 88.4 93.6 95.3 96.9 9R.4 98.6 98.6 98.7 98.7 98.7
GE 5001 33.5 62.1 66.4 72.9 80.6 84.4 88.4 93.7 95.6 97.3 99.9 99.1 99.1 99.2 99.2 99.2
GE 4001 33.5 62.1 66.4 72.9 80.6 84.8 88.8 93.7 95.6 97.5 99.2 99.5 99.5 99.7 99.7 99.7
GE 3001 33.5 62.1 65.4 72.9 80.6 84.4 88.4 93.7 95.6 97.5 99.2 99.5 99.5 99.7 99.7 99.7
GE 2001 33.5 62.1 65.4 72.9 80.6 84.4 88.4 93.7 95.6 97.5 99.2 99.5 99.S 99.7 99.7 99.7GE 1001 33.5 62.1 66.4 72.9 80.6 84.4 88.4 93.7 95.6 97.5 99.2 99.5 99.5 99.7 99.7 99.8
rE 01 33.5 62.1 66.4 72.9 80.6 84. 4 88.8 93.7 95.6 97.5 99.2 99.5 99.5 99.7 99.7 100.0
TOTAL NUMBER OF OBSERVATIONS: 639
A
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM NOUQLY OBSERVAIIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE NL PEqIOo or RECORD: 77-78,60-86MONTH: AUG HOURSILSYI: 1?00-1400
CEILING VISIBILITY IN STATUTE MILESIN I GE 6E GE GE GE GE GL GE GE GE GE Gf GE GE GE GE
FEET i 10 6 5 4 3 2 It2 2 1 1/2 I 1/ 1 3/4 58 1/2 S/16 1/N 0
NO CEIL 1 16.8 27.3 28.4 32.2 34.8 36.3 37.1 38.9 39.5 O.Z 60.2 40.2 60.2 0.2 %n.2 N0.2
GE 20000 19.2 32.1 33.6 38.2 1.2 63. 7 6.6 66.6 :7.2 47.8 47.8 67.8 97,8 7.8 67.: .86E 180001 19.2 32.1 33.6 38.2 1.12 63.7 66.6 66.6 67.2 67.8 67.8 67.8 67.6 67.8 67.8 67.1G E 160001 19.2 32.1 33.4 38.2 N1.2 N3. 7 66.6 96.6 #7,2 7.8 67.8 87.8 NI.8 47.8 7.S %7.8
GE 140001 19: . 32.2 33.6 38.5 41:5 66.1 65.0 67.0 N7.6 N8.2 6.? 8 :2 N8
2 98.2 N6.:2 .2
GE 120009 19.8 32,7 34.2 39.6 62.6 65.2 66.3 68.2 68.9 N9.5 69.5 69.5 69.5 N9.5 N995 % 9.S
GE 100001 23.5 38.5 63.3 66.7 S0.1 52.7 53.9 56.2 $6.9 57.6 57.6 57.6 57.6 57.b 57.6 67.6GE 90001 24.o 39.8 62.1 68.7 52.2 56.6 56.2 58.6 59.q 60.0 V7.0 60.0 60.0 60.0 60.0 b6.0GE 80001 25.2 62.9 65.2 51.8 55.3 57.9 59.2 62.0 62.7 63.6 63.6 013 63.6 63.6 63.% b301GE 70001 25.3 63.2 65.5 52.2 55.9 58.5 59.8 62.6 63.6 66.0 66.0 66.0 69.3 66.0 b6.0 66.0
SGE 601n 25.6 63.7 46.0 52.7 56.7 58.9 60.3 63.1 63.8 661. 66.6 66.6 66.6 66.6 66.6 66.6
GE 5noo 26.1 661.6 46.9 53.9 57.6 60.5 6j.8 64.6 65.3 66.0 66.0 66.0 66.0 66.U 66.0 66.0C GE 6S009 28.7 68.1 53.5 57.7 61.6 66.3 6S.6 68.7. 69.5 70.1 7n.1 70.1 70.1 70.1 10.1 70.1
GE 60001 32.6 56.7 57.1 66.6 68.2 71.1 72.5 75.7 76.5 77.1 77.1 77.1 77.1 71.1 77.1 77.1GE 35009 3S.1 58.0 63:6 68.1 71.8 76.7 76.0 79.2 8.0 80.6 80.6 80.6 80.6 80.6 ST.6 80.6
I.E 30009 37.6 62.7 65.6 73.6 77.1 80.0 81.6 86.7 85.5 86.1 86.1 86.1 86.1 06.1 66.1 86.1
- GE 25001 38.5 66.6 67.6 75.7 79.6 82.3 83.7 87.0 87.8 88 .6 8 88. 6 6.6 .88.6 68.6 88.6.E 20001 39.7 66.9 73.6 76.6 82.6 85.5 86.9 90.2 91.0 91.6 91.8 9i.8 91.8 91.8 91.8 91.8GE 18009 63.6 69.5 73.3 81.5 85.5 88.6 89.8 93.1 93.9 96.5 96.7 96.1 96.7 96.7 96.7 96.7
6E 15001 61.7 71.5 75.3 83.5 87.9 91.0 92.5 95.9 96.6 97.N 91.6 91.6 97.6 97.b 97.6 91.6GE 12001 62.0 72.2 76.0 86.3 88.7 91.6 93.3 96.6 97.6 98.3 94.5 98.5 98.5 98.5 98.5 98.S
bE 10U0 62.0 72.2 76.0 86.6 88.9 91:9 93.6 96.8 97.7 98.5 98.8 68.6 98.6 98.6 96.6 98.6(IE 9009 2.0 72.2 76.0 86.6 89., 92.2 93.7 97.1 96.0 96.8 99.6 99.6 99.6 9.N 99.6 99,GE 8009 62.0 72.2 76.0 8.6 89.3 92.61 93.9 97.6 98.3 99.2 99.6 99.6 99.6 99.8 99.8 99.6GE 7001 62.0 ?2.2 76.0 86.6 89.3 92.6 93.9 97.6 98.3 99.2 99.6 99.8 99.6 99.5 99.6 99.8
GE 60091 2.0 72.2 76.0 86.6 89.3 92.60 93.9 97.61 98.3 99.6 100.0 100.0 100.0 100.0 100.0 100.0
bE 500, 62.0 72.2 7b.C 6.b 69.3 92.6 93.9 97.6 98.3 99.6 100.0 300.0 100.0 100.0 100.0 100.0
GE 6009 62.O 72.z 76.0 86.6 89.3 9Z.6 93.9 97.6 98.3 99.4 o.0 lO00.0 300.0 100.0 300.0 300.0GE 3001 62.0 72.2 76.0 86.6 89.3 92.4 93.9 97.6 98.3 99.6 100.0 100.0 300.0 300.0 300.0 300.0
(GE 2001 62.0 72.2 7b.0 8.6 69.3 92.6 93.9 97.6 98.3 99.6 300.0 300.0 300.0 300.0 300.0 10o0GE 1001 62.0 72.2 76.0 86.6 89.3 92.6 93.9 91.6 98.3 99.6 3O.0 100.0 100.0 100.0 300.0 100.0
IE .. 9 62:0 72.2 7.0 86.6 89.3 92.6 93.9 97. 96.3 99.6 100.0 300.0 300.0 IO0.0 300OO. 100O
TOTAL NUMBER OF OBSERVATIONS: 65S
* L
GLOBAL CLIMAIOLOGY BRANCH PERCENTAGE FR.QUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OIfSLRVATIONSAIR WEATHER SERVICE/MAC
STATION NIMER: 063750 STATION NAME: ZIRIKZE[ NL PEIO0 OF PECORD: 71-74,S0-86MONTH: AUG HOU*SILSII: ISO0-1700
CEILING VISIBILI7Y IN STAJUIF MILES "
IN | GE GE GE GE GE V GE GE GE GE GE GE GE GE GE GEF ET 1 l Eo 6 1 5 I 2 , I 1 I/2 1 I/. I 1/5 5/6 1/2 5/16 I/d 0
NO CEIL I 21.2 35.0 35.2 39.1 53.6 55.3 56.1 57.7 58.5 59.0 59.2 59.2 99.2 49.2 59.2 59.2
GE 200001 25.6 0.02 51.S 55.6 50. S2.1 53.1 SS.2 66.2 56.6 51.0 57.0 57.0 ST.0 S7.0 57.02G. 1800 2S6 0.2 51.5 5,.6 50.3 52. 1 53 2 6.2 56.6 5.0 51. 0 57. ST.o 57.0 ST.O
N( 160001 2S.6 0.Z 51.5 45.6 50.3 52.1 S3.1 $5. 562 S 56 S6 7.0 57.0 S7.0 S1.0 57.0 S7.0GE 140001 2S.6 50.2 51.9 45.9 0.7 52.5 s3.4 SS.5 56.5 57.2 57.3 51.3 57.3 57.3 57.3 S7.3GE I20001 25.6 50.6 52.5 56.6 51.3 53.3 s.2 56.% 57.3 56.0 58.1 56.1 56.1 56.1 58.1 56.1
GE 100001 29.3 56.9 19.3 53.9 59.0 60.9 61.9 65.2 6b. 66.0 66.1 66.1 66.1 66.1 66.1 66.16G 90001 30.3 16.2 53.1 SS.5 60.6 62.5 63.S 65.8 66.8 67.6 67.8 61.6 67.6 67.6 67.6 61.8(.E &000 32.6 51.8 54.4 59.3 65.5 66.6 67.6 69.9 70.6 71.7 11.8 71.8 71. 71.8 71.8 71.6AE 70001 32.6 51.8 Sq.% 59.5 6%.7 66.6 67.8 70.0 11.0 71.8 1Z. 72.0 72.0 7Z.0 72.0 72.0GE 60001 32.7 52.1 55.7 5q.8 6S.0 67.1 65.1 70.% 71.3 72.1 72.3 72.3 72.3 72.3 72.3 72-3
GE SOOI 35.0 S6 51.2 62.5 67.9 70.1 71.0 73.3 75.3 75.1 75.2 7S.2 75.2 75.2 7S.2 75.26E 5500i 35.0 S6.U 55.8 65.3 69.7 71. 72.8 7S.1 76.1
7b9 77.0 77.0 77.0 77.0 77. 0 77.0
.E 50001 37.3 60.3 63.0 66.9 75.3 76.S 77.S 60.0 60.9 81.6 81.9 81.9 81.9 81.9 81.9 61.96E 350fl 39.3 63.2 66.1 72.0 77.5 79.6 80.8 63.2 65.2 6S.0 85.2 6S.2 6S.2 65.2 85.2 85.z61 30001 51.5 66.6 69.9 75.7 61.1 83.5 65.S 67.0 67.9 86.8 68.9 88.9 8.9 88.9 88.9 88.9
I.E 25001 52.2 67.9 73.2 77.0 62.6 65.9 66.0 66.5 69.5 90.2 90.5 90.5 90.5 90.5 90.4 90.56E 20001 51.1 70.8 75.3 60.3 86.0 881 69.6 92.2 93.2 95.1 95.3 95.3 95.3 95.3 95.3 95.36E 16001 55s.6 72.5 76.1 62.2 67.9 90.5 91.5 95.3 9S.4 96.6 96.7 96.1 96.7 96.7 90.7 96.7GE IS001 5.6 73.3 77.5 83.9 69.7 92.2 93.3 96.1 97.2 98.5 96.S 98.5 98.5 98.5 96.5 98.5IE 12001 451.9 73.6 76.0 65.5 90.2 92.7 93.8 96.6 97.7 96.9 99.0 99.0 99.0 99.0 99.0 99.0
bE 10001 5.9 73.8 78.2 65.s 90.5 92.8 95.0 96.9 98.0 99.2 99.3 99.3 99.3 99.3 99.3 99.3bE 9001 5.9 73.8 76.2 65.5 90.5 92.6 94.0 96.9 98.0 99.2 99.3 99.3 99.3 99.3 99.3 99.36E 601 %S.9 73.8 78.2 45.5 90.5 93.0 95.1 97.2 96.5 99.S 99.8 99.8 99.6 99.8 99.6 99.8I.E 13)0 95.9 13.6 78.2 85,S 90os 93.0 95.1 97.5 96.5 99°7 100.,0 100.0 100.0 100.0 100.0 100.0GE 6001 5S.9 73.8 78.2 65.5 90.5 93.0 95.3 97.4 98.5 99.7 300.0 100.0 100.0 100.0 100.0 100.0
GE 5001 4S.9 73.8 78.2 65.5 90.16 93.0 94.1 97. 98.S 99.7 100.0 100.0 100.0 100.0 300.0 100.0.E 5001 qS.@ 73.6 76.2 6.S 90.5 93.0 95.3 97.5 98.5 99.7 300.0 100.0 300.0 100.0 100.0 100.0
I.E 3001 55.9 73.8 76.2 651 90. 90 95.1 97. 96,5 99,7 300.0 100.0 102.0 30. 100.0 100,0I.E 2001 5.9 73.6 76.2 655 90.5 93.0 93.3 97.5 965 99.7 100.0 100.0 100.0 100.0 100.0 100.0GE 3001 4S.9 73.6 76.2 65.5 90.5 93.0 95.1 97.5 96.5 99.7 300.0 100.0 100.0 100.0 300.0 100.0
I.E 01 545.9 73.6 71.2 65$.5 90.5 93.0 94.1 97.5 96.5 99.7 300.0 300.0 300.0 300.0 300.0 100.0...........................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: b151
t.
GLOBAL CLIMATOLOGY BRANCH PERCENTGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR MEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEL ML PERIOC OF RECORD: 77-86MONTH: AUG HOURSILSTI: 100-2300
................................................................................................CEILING VISIBILITY IN STATUTE MILES
IN I GE GE GE GE GE G GE GE GE GE GE GE GE GE GE GEFEET I 10 6 5 4 3 2 If? 2 1 112 I 1 / 1 3T/ 5/8 1/? 5116 1/4 0
..........................................................................................................................................
NO CEIL i 25.9 36. 39.2 44.1 47.3 47.9 48.9 50.4 50.7 51.6 51.9 51.8 51.8 51.8 51.8 51.8
GE 200001 28.8 40.9 43.8 49.6 53.3 54.1 55.3 56.9 57.2 58.8 5R.8 58.8 58.8 58.8 58.8 56.8GE ISBO00 28.8 40.9 43.8 49.6 53.3 54.1 55.3 56.9 57.2 38.8 54.8 58.8 58.8 58.8 58.8 58.8GE 160001 28.8 40.9 43.8 49.6 53.3 54.1 53.3 56.9 7.2 S8.8 5R.8 58.8 58.8 58.8 58.8 58.8GE 113001 29.1 N1.2 %44.1 9.9 53.6 54.4 55.6 57.2 57.5 59.1 59.1 59.1 39.1 59.1 59.1 59.1GE 120001 29.8 42.1 45.1 50.9 54.6 55.5 56.6 58.2 58.7 60.3 60.3 60.3 60.3 60.3 60.3 60.3
GE 100001 3t.4 50.4 53.9 60.0 63.6 6.5 65.9 67.5 6a.0 69.7 69.7 69.7 69.7 69.7 6.7 69.7GE 90001 35.7 52.0 55.7 6?.0 65.6 66.7 68.1 69.9 70.3 72.1 71.1 72.1 7Z.1 72.1 72.1 72.1GE 80001 37.8 55.9 60.1 67.2 71.0 72.1 73.5 75.3 75.7 77.6 77.6 77.6 77.6 77.6 77.6 77.6GE 70001 38.0 56.0 60.3 67.4 71.2 72.2 73.7 75.4 75.8 77. 7 77.7 77.7 77.7 77.7 77.7 77.7GE 60001 38.6 56.6 60.8 68.0 7t.R 72.8 74.2 76.0 l6.4 76.3 78.3 78.3 78.3 78.3 78.3 78.3
GE 50001 39.9 58.4 62.6 70.0 T3.8 7.b 16.3 78.0 78.5 80.3 80.3 80.3 80.3 80.3 80.3 80.3GE 45001 41.0 60.1 64.3 71.8 75.5 76-6 78.0 79.6 80.2 82.1 82.1 47.3 82.1 82.1 82.1 82.1GE 40001 43.4 63.5 61.1 75.3 79.2 80.2 81.7 83.6 84.0 85.9 85.9 85.9 85.9 85.9 85.9 85.9GE 35001 44.8 65.5 69.7 77.3 81.2 82.2 83.7 85.6 86.0 87.9 87.9 87.9 87.9 87.9 87.9 87.9GE 3C001 46.0 6b.b 71.0 78.6 82.7 83.7 85.2 87.3 87.8 89.7 89.7 89.7 89.7 89.7 89.7 89.7
GE 25001 46.7 68.0 72.2 79.9 84.1 85.3 86.8 89.1 89.7 91.7 91.7 91.7 91.7 91.7 91.7 91.7GE 20001 47.9 69.1 73.5 81.% 85.6 86.8 88.7 90.3 91.1 93.2 93.7 93.2 93.2 93.2 93.2 93.2GE 18001 48.2 70.3 74.7 82.7 86.9 88.1 89.S 91.8 92.6 9f46 94.6 94.6 94.6 94.6 94.6 94.6oE IOO 48.3 71.0 7S.4 83.8 88.1 89.5 91.0 93.41 94.2 96.2 96.2 96.2 96.2 96.2 96.2 96.2GE 12001 48.9 72.2 76.7 85.2 89.4 90.8 92.3 94.8 95.S 97.5 91,5 97.5 97.5 97.5 97.5 97.5
GE 10001 48.9 72.2 76.7 85.2 89.4 90.8 92.3 94.8 95.6 97.7 97.7 97.7 97.7 97.7 97.7 97.7GE 9001 48.9 72.2 76.7 85.2 69.5 91.0 92.4 9S.1 95.9 98.0 94.0 98.0 90.0 98.0 94.0 980GE 8001 48.9 72.2 77.0 85.4 90.0 93.4 92.9 95.5 96.4 9805 98.7 98.7 98.8 98.8 94.8 98.8GE 7001 49.1 72.3 77.1 85.9 90.4 91.8 93.4 96.1 97.1 99.6 99.7 99.7 99.9 49.9 99.9 99.9GE 6001 49.3 7Z.3 77.1 85.9 90.4 91.8 93.4 96.2 97.2 99.7 99.9 99.9 100.0 100.0 100.0 100.0
(.r tLO 49.1 72.3 77.1 85.9 90.4 91.8 93.4 96.2 97.2 99.7 99.9 99.9 100.0 100.0 100.0 100.06.. %00l 49.1 72.3 77.1 85.9 90.4 91.0 93.4 96.2 97.2 99.7 99.9 99.9 100.0 100.0 100.0 100.0GE 300 49.1 72.1 77.1 85.9 90.4 91.8 93.4 96.2 97.2 99.7 99.9 99.9 100.0 100.0 100.0 100.0bE 2001 49.1 72.3 77.1 85.9 90.4 91.8 93.4 96.2 97.2 99.7 99.9 99.9 100.0 100.0 100.0 100.0GE 1001 49.1 72.3 71.1 85.9 90.4 91.8 93.4 96.2 97.2 99.7 99.9 99.9 100.0 100.0 IUO.0 100.0
#.E 01 49.1 72.3 77.1 85.9 90.4 91.6 93.4 96.2 97.2 99.7 99.9 99.9 300.0 300.0 100.0 100.0..........................................................................................................................................
TOTAL NUMBER OF ORSERVATIONS: 687
0 dlmmmli lmmm m llm m mli
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZERIKIE7 NL PERIOD OF RECORO: 77-78,80-86MONTH: AUG HOURSILS7I: 2100-2300
CEILING VISIBILITY IN STATUTE MILES
I t I GE GE GE GE GE Gr GE GE BE GE GE GE GE GE GE GEFEET I 10 6 5 N 3 2 1/2 2 1 1/2 1 1/4 1 319 5/8 I/z 1/16 1/4 0
NO CEIL 1 24.9 38.1 92.5 N8.7 52.6 59.9 $5.1 57.3 59.1 S9.0 59.5 59.5 S9.S 59.5 59.S 59.5
(E 200001 26.9 N0 .7 5.8 52. 56.9 S8. 59.2 61.5 62.5 63., 63.9 63.9 63.9 63.9 63.9 63.9GE 180001 26.9 40.7 45.8 52.9 56.4 58.1 59.2 61.5 62.5 63.9 63.9 63.9 63,9 63.9 63.9 63.9GE 16rO0 26.9 N0.7 95.8 S2.9 56.4 58.9 59.2 61.S 62.5 63.9 63.9 63.9 63.9 63.9 63.9 63,9GE 19000l 27.1 40.8 96.0 52.6 56.6 58.6 59.1 61.7 62.6 63.6 69. 69.1 69.1 69.1 69.1 69.1GE 120001 27.7 91.9 47.3 53.7 57.7 59.9 60.6 63.0 63.9 69.8 61.9 65.4 6S. 65.9 65. 65.9
GE 100001 29.3 95.6 53.9 S8.4 62. 69.7 65.1 68.3 69.2 70.1 70.7 70.7 70.7 70.7 70.7 70.7UE 90001 30.96 97.3 52.6 60.3 69.3 bb.5 67.2 70.1 71.2 72.3 72.9 72.9 72.9 72.9 72.9 72.9GE 80001 32.4 N9.5 Sj.9 62.b 66.7 68.9 69.6 72.S 73.6 75.1 75.6 75.6 75.6 75.6 75.6 75.66E 700o 32.9 99.5 55.1 63.U 67.1 69.2 10 72.9 79.0 75.5 76.0 76.0 76.0 76.0 76.0 76.0GE 60001 33.0 50.9 56.0 63.9 67.9 70.1 70.9 73.8 79.9 76.9 76.9 76.9 76.9 76.9 76.9 76.9
GE 50001 39|. 51.6 57.7 65.8 69.8 72.0 72.7 75.6 76.7 78.2 74.0 78.8 78.8 78.8 78.8 78.8GE 4!O00 35.3 s3.5 59.9 68.3 72.3 79.5 75.3 78.2 79.3 00.8 91.3 81.3 81.3 P1.3 81-3 81.3GE 9C001 38.1 57.0 63.9 71.8 7S.P 76.0 78.8 61.7 82.8 99.2 A9.8 89.8 89.8 89.8 89.8 99.8
GE 35001 38.6 58.1 69.8 73.6 77.7 79.9 80.6 83.5 89.6 86.1 86.6 96.6 86.6 86.6 86.6 86.6GE 30001 41n. 60.3 631 77.3 81.7 q3.9 89.6 87.S 88.6 90.1 90.7 90.7 90.7 90.7 90.7 90.7
GE 25001 90.7 61.5 69.6 78.9 83.3 85.5 86.3 89.2 90.3 91.8 9'.3 92.3 92.3 92,3 92.3 92.3GE 20001 190.8 61.9 70.0 79.3 84.1 86.9 87.2 90.3 91.2 92.7 93.2 93.2 93.2 93.2 93.2 93.2GE 18001 91.2 42.5 7U.5 79.9 89.6 87.0 87.7 90.1 91.8 93.2 91.8 93.8 93.8 93.8 93.8 93.8
.E 15001 91.2 62.8 7D.9 80.2 85.2 87.7 88.5 91.6 92.7 99.1 99.7 99.7 99.7 99.7 94.7 99.7
GE 12001 91.6 63.2 71.2 81.0 85.9 88.5 89.2 92.1 93.8 95.9 96.0 96.0 96.0 96.0 96.0 96.0
bE 10001 91.6 63.2 71.9 91.1 86.3 8.8 89.6 93.0 99.1 95.8 96.3 96.3 96.3 96.3 96.3 96.3GE 900l 91.6 63.9 71.6 81.3 87.n 89.6 90.3 93.8 99.9 96.5 97,1 97.1 97.1 97.1 97.1 97.1
bE POOl 91.6 63.6 71.8 81.9 87.5 90.3 91.0 99.5 95.6 97.3 97.8 97.8 98.0 98.0 98.0 98.0GE 700 91.6 63.6 71.8 82.1 87.7 90.5 93.9 95.2 96.7 98.4 99.1 99.3 99.3 99.3 99.3 99.3GE 600 93.6 63.6 72.0 82.2 87.9 90.1 91.8 95.6 97.2 98.9 99.6 99.6 99.8 99.8 99.8 99.8
GE S0 93.6 63.6 72.0 82.2 87.9 90.7 93.8 95.8 97.3 99.1 99.8 99.8 100.0 300.0 100.0 100.0GE 9001 91.6 63.6 77.0 82.2 87.9 90.7 91.8 95.8 97.3 99.1 99.8 99.8 100.0 100.0 100.0 100.0( 3001 91.6 63.6 72.j 82.2 87.9 90.7 91.8 95.9 97.3 99.1 99.8 99.8 300.0 300.0 300.0 100.0
GE 2001 93.6 63.b 72.0 92.2 87.9 90.1 91.8 95.8 97.3 99.1 99.8 99.8 100.0 100.0 100.0 300.0GE tool 93.6 63.6 72.0 82.2 87.9 90.7 91.8 95.8 97.3 99.3 99.8 99.8 100.0 300.0 100.0 300.0
GE al 93.6 63.6 72.U 82.2 87.9 90.7 91.8 95.8 97.3 99.1 99.8 99.8 300.0 100.0 100.0 100.0
J0IAL NUMBER OF OBSERVATIONS: %96
-- - mm N m L' lmm mEmL.
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FRQUENCY OF OCCURRENCE Of CEILING VERSUS VISIBILITYuSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEr NL PERIOD OF PECORD: 77-86MONTH: AUG HOURSILSTI: ALL
C.ILN VISIBIL I*T TAT'UE MILS, * * .......................................IN a ,E GE GE GE GE G: GE GE GE GE GE GE GE GE GE GE
FEET i 10 6 5 6 3 2 If2 2 1 1/2 I 3/4 1 3/4 5/8 372 5/16 1/4 a
NO CEIL I 16.2 29.5 31.7 3b.% 39.9 61.1 T 2.9 15.3 66.0 al.1 7.6 67.T 67.8 8.0 8.1 68.3
uc 200001 ZO.4 33.1 35.6 63.1 46.8 '6.6 68.2 50.8 51.7 52.9 53.5 S3.5 53.1 53.9 $6.0 54.juE 160001 20.6 33.1 35.5 0.7 66.6 66.8 68.2 SO.8 51.7 S2.9 53.5 53.5 53.7 53.o9 5.0 54.3GE 160001 20.6 33.1 35.6 60.7 66.6 66.6 46.2 50.6 61.1 52.9 53.5 63.5 53.1 53.9 56.0 5.3GE lCOn 20.5 33.2 35.7 4g.9 45,0 67.D 8.6 51.1 52.0 S3.2 53.7 53.8 56.0 56.2 56.3 56.6GE 120009 20.9 33.9 36.5 61. 65.9 96.0 69.6 52.1 53.0 56. 546.9 54.9 55.1 55.6 55. 55.1
GE 100001 23.9 39.1 42.1 68.1 52.7 66.8 56.3 59.3 60.3 61.7 62.3 62.3 62.5 62.8 62.9 63.2GE 9COO 26.6 60.5 63.6 49. 54.S 56.6 58.2 61.3 62.4 63.6 66.6 66.5 64.7 65.0 65.0 65.6bt 6010| 25.9 62.8 66.2 52.6 57.3 59.5 61.2 66.64 65.5 67.0 67.6 61 67.9 68.2 68.2 68.6GE 70001 26.0 62.9 6.6 52.9 S.? 59.9 61.5 66.7 65.8 67.3 66.0 66.0 68.2 68.5 68.6 68.9GE 60001 26.2 63.3 66.8 53.3 58.1 60.3 61.9 65.2 66.3 67.8 6A.6 66.5 68.7 68.9 be. 0 69.3
GE 60001 21.2 66.8 96. 55.1 60.p 62.3 63.9 67.2 66.3 69.9 70.S 70.6 70.0 71.0 71.1 711GE 6%00 26. 6.7 53.5 57.3 62.2 6.S5 66.1 69.5 70.6 72.1 72.8 72.9 73.1 73.3 73.6 73.7GE 6uo9 30.9 50.8 5#.7 61.7 66.7 69.0 70.7 76.2 15.3 76.9 77.6 1.6 77 . 78.1 76.2 78.5GE 3s3ol 32.6 5.1 61.2 66.3 69.6 71.6 73.5 77. 18.2 79.7 60.6 80.5 60.? 60.9 81.0 61.3GE 30001 36.3 56.6 6D.7 68.1 73.6 75.8 77.6 81.2 62.6 03.9 66.6 8.7 86.9 65.1 85.2 85.
GE 25009 35.6 58. 62.8 70.6 75.1 78.2 80.0 63.7 66.6 86.4 87.1 67.2 87.4 A7.6 87.7 88.0GE 20001 36.6 60.1 6%6. 72.6 16.0 80.5 62.3 66.0 67.3 66.9 69.b 69.1 69.9 90.2 90.2 90.6I.E 27009 37.0 61.3 66.0 76.0 19.b 82.2 66.0 87.8 89.1 90.7 91.5 93.6 91.6 92.0 92.1 92.4GE 15009 37.6 62.4 67.3 75.5 81. 8.0 65.9 69.9 91.2 92.6 91.6 93.1 93.9 9%.1 96.2 96.5(E 12001 37.6 63.2 69.? 76.5 82.6 85.1 87.0 91.1 92.6 96.2 9.0 95. 95.3 05.6 95.7 96.0
OL IC001 37.6 63.3 66.6 76.7 820 65.5 67.6 91.6 92.9 96.7 95.5 95.6 95.6 96.1 96.2 96.5GE 9009 37.8 63.5 6.6 77.0 63.2 85.9 67.6 92.0 93.6 95.2 96.1 96.3 96.5 96.7 96.8 97.1GE 6009 37.8 63.6 6.6 77.3 83.6 66.3 @a.2 92.7 96.1 96.0 97.1 97.2 97.5 91.7 97.6 98.1GE 7001 37.8 63.7 66.9 17.6 q.U 6.1 88.7 93.2 96.7 96.6 97.8 97.9 98.2 98.5 96.5 98.9GE 6001 37. 63.7 69.0 77.6 66.7 67.0 8.9 93.6 95.3 97.1 98.3 96.6 98.7 99.0 99.0 99.6
GE c00l 17.8 6T.1 69.0 7.6 66.7 87.0 68.9 93.8 95.3 97. 98.5 980.7 99.0 99.2 99.3 99.6br 600i 37.8 63.7 69.0 7.8 86.2 81.0 89.0 93.8 95.6 97.5 96.7 98.8 99.1 99.6 99.6 99.6GE 3009 37.6 63.7 69.0 11.6 66.2 81.0 69.0 93.6 95.0 97.5 9q.7 98.9 99.2 99.6 99.5 99.8GE 2009 37.8 63.7 69.0 77.8 66.2 67.0 69.0 93.8 91.6 97.5 98.7 98.9 99.2 99.6 99.5 99.9GE 300 37. 63.7 69.0 77.8 86.- 8.0 69.0 93.6 96.6 97.5 907 96.9 99.2 99.5 99.5 300.0
GE al 37.8 631. 69..i 77.8 8.' 87.0 69.0 93.6 96.6 97.6 90.7 96.9 99.2 99.5 99.5 100.0
TOTAL NU4NEB Of OBSERVATIONS: 6630
LOBAL CLIMATOLOGY BRANCH PEkCENTAGE FREQUENCY OF OCCURRENCE OF CFILING VrRSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE: NL PEPIOD OF RECORD: 80-86
MONTH: SEP HOURS(LSTI: 000-0200
CEILING VISIBILITY IN STATUTE MILLES
IN I GE GE GE GE GE Gr GE GE GI GE L GE GE GE GE 6EFEET I 10 6 6 4 3 2 If2 2 , 12 I 1/4 1 3/4 518 112 S/16 1/4 0
.. .. .. . .. . ... . . . . . . . .. . . . . . .... ' o ' . .... ... ' .. . . . . . . . . .. . . . . . . . .........'' '..........
NO CEIL I 18.5 28.6 31.5 39.9 43.5 45.2 45.9 48.0 49.3 %0.9 1.,5 52.0 52.8 53.0 53.1 53.5
GE 20rOl 18.6 30.1 36.2 41.5 45.4 47.41 48.5 50.7 52.4 54.2 54.A 15.4 56.1 56.3 56.5 56.6
GE 180001 18.6 3U.1 36.2 41.5 45.4 47.4 48.5 50.7 52.4 51.2 54.8 65.4 56.1 56.3 56.5 56.8
cE 160001 18.6 30.1 36.2 41.5 4s.4 47.4 48.5 50.7 52.4 54.2 54.8 55.4 56.1 56.3 56.5 56.8GE 14000| 18.8 30.3 36.3 41.7 45.6 47.6 48.7 50.9 52.6 5.4 5.0 55.5 56.3 565 56:6 57.0GE 12000V 18.8 30.6 35.7 42.1 45.,9 480 419: 51.3 53.0 54.8 S.4 55.9 56.6 56.8 57.0 57.4
.E 100001 20.8 34.6 -4.6 46.1 5O.4 52.4 53.5 56.1 57.9 69.8. b6.3 61.1 bl.8 62.0 62.2 62.5GE 90001 20.8 34.9 41.0 46.5 50.7 52.8 53.9 56.5 58.3 60.1 6f.7 62 .2 6.4 62.5 62:9
E 80001 21.2 36.5 42.6 8.2 52.4 54.4 55.5 58.1 60.0 61.8 62.4 63.1 63.8 64.0 64.2 64.6GE 7CO 21.2 36. 42.8 48.3 52.6 54.6 55.7 58.3 60.3 62.0 67.5 63.3 64.0 64.2 64.4 64.8GE 60001 21.2 36.7 42.8 48.5 53.1 55.2 56.3 58.9 60.7 62.5 63.1 63.8 64.6 64.8 64.9 65.1
GE 50001 22.1 40.6 47.0 52.8 57.4 59.4 60.5 63.1 6q.9 66.8 67.3 68.1 68.8 69.0 69.2 69.6,E 4001 22.3 42.3 49.3 55.2 S9.8 61.8 62.9 65.5 67.3 69.2 69.7 70.5 1.2 71.4 71.6 72.0
GE 40001 24.2 46.5 53.5 60.3 65.9 67.9 69.0 71.6 73.6 7S.S 76.n 76.8 77.5 77.7 77.9 78.2GE 36001 25.6 48.5 55.7 62.9 68.5 70.5 73.6 74.4 76.4 78.2 T8.8 79.5 80.3 R0.4 80.6 81.0GE 300tl1 26.8 50.4 57.7 64.9 70.9 72.9 74.0 76.9 19.0 80.8 81.4 82.3 82.8 83.0 83.2 83.6
.E 260O01 27.1 51.5 58.9 66.1 ?2.3 74.2 75.5 78.4 80.4 82.3 87.8 83.6 84.3 84.5 84.7 85.1GE 20001 27.9 52.6 63.0 67.5 73.8 75.8 77.1 80.3 82.1 83.9 84.5 8S.2 86.0 86.2 86.3 86.7GE 14001 28.2 63.1 61.3 68.8 75.5 77.5 78.8 81.1 83.8 85.6 86.2 46.9 87.6 87.8 89.0 86.4GE I6001 28.4 54.1 62.7 70.5 77.3 79.3 80.6 83.6 85.6 87.5 84.0 88.7 89.5 89.7 89.9 90.2GE 1200| 29.3 56.5 65.3 73.4 80.3 82.3 83.6 86.5 88.7 90.6 93.1 93.9 92.6 92.8 9T.O 93.4
GE 10001 29.3 56.5 65.7 74.0 81.2 83.2 84.5 87.5 69.7 91.6 97.3 93.0 93.7 93.9 94.1 q4.5GE 9001 29.3 56.6 65.9 74.2 81.5 83.8 85.2 88.2 90.6 92.6 91.4 94.1 94.8 95.0 95.2 95.6GE BOol 29.3 56.5 66.1 74.5 82.1 84.3 85.8 88.7 91.1 93.2 9!.9 94.6 95.4 95.6 9s.8 96.1GE 7001 29.3 56.8 66.6 75.3 83.0 85.2 86.9 90.4 93.4 95.4 96.1 96.9 97.6 97.8 98.0 96.3GE 6001 29.3 56.8 66.6 75.3 83. 85.2 86.9 90.4 93.5 95.8 96.5 97.2 98.
0 98.2 99.3 98.7
I.E 6O| 29.3 66.8 66.6 75.3 83.1 85.2 86.9 90.4 93.7 95.9 96.7 97.4 98.2 08.3 98.5 98.9
GE 4G0o 29.3 56.8 6b.6 75.3 83.0 85.2 86.9 90.4 93.7 96.1 96.9 97.6 98.3 98.5 98.7 99.1GE 3001 29.3 56.8 66.6 75.3 83.0 46.2 86.9 90.4 93.7 96.5 97.2 98.0 98.7 98.9 99.1 99.46 2001 29.3 56.8 66.6 7S.3 83.r 85.2 86.9 90.4 93.7 96.s 97.? 98.o 96.7 98.9 99.1 99.4
GE 1001 29.3 56.8 66.6 75.3 83.: 85.2 86.9 90.4 93.7 96.s 97.2 98.0 98.7 99.1 99.3 99.8
GE 0l 29.5 67.0 66.8 75.5 83.7 85. 87.3 90.6 93.9 96.7 97.4 98.2 98.9 99.3 99.4 100.0
...............................................................................................................................................
TOTAL NUMBER OF OPSERVATIONS: 542
-4"
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FR7QUENCY or OCCURRENCE OF CEILINF VERSUS VISIBIL17YUSAFETAC FROM HOURLY OBSERVATIONS
AIR wEATHER SERVICE/ MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZET NL PERIOD OF RECORD: 80-86MONTH: SEP HOURS(LST): 0300-0500
CEILING VISIBILITY IN STATUTE MILESIN I GE GE GE 6E GE G. GE GE GE GE CE GE GE GE GE GE
FEET 10 6 5 4 3 2 112 2 1 1/2 1 1/4 1 3/4 5/8 1/2 S/16 14 a
NO CEIL 1 17.4 28.0 32.2 35.5 38.ft 39.0 39.4 42.5 43.4 48.6 45.4 45.9 46.5 46.9 47.5 49.6
GE 200001 18.0 29.3 33.6 38.2 41.3 82.5 43.2 46.3 47.3 48.8 49.4 50.0 50.6 51.0 51.5 53.9OE 18no0 18.0 29.3 33.6 38.2 41.3 42.5 43.2 46.3 47.3 48.8 49.4 50.0 50.6 51.0 51.5 53.96E 160001 18.0 29.3 33.6 36.2 41.3 125 43.2 46.3 47.3 48.8 49.4 50.0 50.6 51.0 51.5 53.9GE 140001 18.0 29.3 31.6 38.2 41.3 02.S 43.2 46.3 47.3 48.8 49.4 50.0 50.6 5.,0 51.5 53.9GE 120001 18.0 29.3 33.6 38.2 41.3 q2.S 45.2 46.3 47.3 48.8 4q9.4 50.0 50.6 51.0 51.5 53.9
GE 100001 19.3 31.9 36.9 42.1 45.6 46.7 47.5 51.0 52.1 53.7 5.2 54.8 55.4 55.8 56.4 58.7E 90001 19.3 31.9 37.3 42.7 46.1 87.3 48.1 51:5 52.7 54.2 5,:S 55.4 6. 56.4 56.9 59.3
6E 80001 19.5 32.2 37.8 43.2 46.7 47.9 48.6 52.1 53.3 55.0 5.6 56.2 56.9 57.3 57.9 60.2GE 70001 19.5 32.2 37.8 43.4 46.9 48.3 49.0 52.5 53.7 55,4 56.0 56.6 57.3 57.7 58.3 60.6UE 60001 19.5 32.2 37.8 43.4 46.9 48.6 49.8 52.9 54.1 55.8 56.4 56.9 57.7 S8.1 98.7 61.0
GE 50001 21.4 34.7 40.9 47.3 50.4 52.7 53.5 57.1 58.3 60.0 60.6 61.2 62.0 62.4 62.9 65.3GE 45001 2Z.6 3619 43.4 50.4 54.1 56.2 56.9 60.6 61.8 63.5 64.1 64.7 65.4 65.8 66.8 68.7
GE 40001 25.1 42.1 48.8 56.8 60.6 62.7 63.5 67.2 68.3 TO1 70.7 71.2 72.0 72.4 73.0 75.3GE 35001 2S.9 43.4 51.2 59.3 63.1 65.3 66.0 69.7 70.8 72.6 73.
2 73.1 74.5 74.9 75.5 77.8
bE 3CO01 27.4 16.5 5.2 62.5 67.0 69.3 30.1 74.3 75.7 77.4 78.0 78.6 79.3 79.7 80.3 e2.6
GE 25001 28.6 48.6 56.9 65.3 69.9 72.2 73.0 77.4 78.8 80.5 81.2 81.7 82.4 82.8 63.4 R5.7GE 20001 28.6 48.6 S6.9 65.3 69.9 72.2 73.2 78.0 79.3 81.1 81.7 82.2 83.0 P3.4 84.0 6.3GE 18001 29.5 51.u 59.5 68.0 72.6 75.1 76.1 80.9 82.2 84.0 84.6 85.1 85.9 86.3 86.9 89.2&E soo 29.. 51.7 60.4 68.9 73.6 76.1 77.0 81.9 83.4 85.1 85.7 86.3 87.1 A7.S 88.0 9U.3
* GE 12001 29.5 52-9 61-6 71.2 76.1 78.6 79.5 84.6 86.3 88.0 88.6 89.2 90.0 90.3 91.9 93.2
* GE 10001 29.5 52.9 62.0 71.8 76.8 79.3 80.3 85.5 87.3 89.0 89.6 90.2 90.9 91.3 91.9 94.2GE 9001 29.5 52.9 62.2 72.0 77.0 79.5 80.7 85.9 87.6 89.4 90.0 90.5 91.3 91.7 92.3 94.bGE 8003 29.S S2.9 62.5 73.0 78.7 80.s 81.7 87.1 89.0 90.7 91.3 91.9 92.7 93.1 93.6 95.9GE 7001 29.5 s3.3 67.9 73.6 ?.8 81.3 82.4 88.4 90.5 92.5 93.1 93.6 94.8 9,48 95.4 97.7GE 6001 29.5 53.3 62.9 73.7 79.? 81.9 83.0 89.46 91.5 93.4 94.0 94.6 95.4 95.8 96.3 98.6
GE 5001 29.5 53.3 62.9 73.7 79.2 91.9 83.0 89.4 91.S 93.4 94.0 94.6 95.1 95.8 96.3 98.6GE 40O 29.5 53.3 62.9 73.7 79.2 81.9 83.0 89.4 91.5 93.4 94.0 94.6 95.4 95.8 96.3 98.6GF 3U0 29.S 53.3 62.9 13.7 79.2 81.9 83.0 89.4 91.5 3.14 94.0 94.6 95.6 95.9 96.5 98.8GE 2001 29.5 53.3 62.9 73.7 79.2 81.9 83.0 89.4 91.5 93.4 94.0 94.6 95.6 95.9 96.5 99.0GE 1001 29.5 93.3 62.9 73.7 79.2 41.9 83.0 89.4 91.5 93.4 94.0 94.6 9S.6 96.1 96.7 100.0
6E 01 29.5 53.3 62.9 73.7 79.2 81.9 83.0 89.4 91.5 93.4 94.0 94.6 95.6 96.1 96.7 100.0
TOTAL NUMPER OF OBSERVATIONS: %18
*
GLOBAL CLIMITOLOGY BRANCH PERCENIAGE FREQUENcY OF OCCURqENCE OF CEILING VERSUS VISIBILITY
USAFEIAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEr NL PEPIOD OF RECORD: 77-86MONTH: SEP HOURSILSTI: 0600-000
.............................................................................. ..... ....................................CEILING VISIBILITY IN STATUTE MILLS
IN GE GE GE GE GE Gr 6E GE GE GE GE GE GE GE GE GEFEET 1O 6 5 4 3 2 112 2 1 112 1 1/4 1 3/4 5/8 112 S/16 1/4 0
..............................................................................................................................................
NO CEIL 1 11.6 17.4 20.3 24.4 25.4 26.6 27.3 30.5 31.8 32.4 37.9 33.5 34.5 35.2 35.2 36.1
GE 200001 13.1 20.8 24.0 28.2 30.2 31.1 31.9 35.5 37.1 38.1 38.7 39.4 40.5 41.3 41.3 44.5GE 180001 13.1 20.8 24.0 26.4 30.3 31.3 32.1 35.6 37.3 36.2 3t.9 39.5 40.6 41.5 41.5 44.7GE 163001 13.1 20.8 24.0 26.4 30.3 31.3 32.1 35.6 37.3 38.2 39.9 39.5 40.6 41.5 41.5 44.7GE 140001 13.1 20.8 21.0 28.4 30.3 31.3 32.1 35.6 37.3 38.2 3A.9 39.5 40.6 41.5 41.5 44.7GE 120U01 13.2 21.6 25.2 29.5 31.5 32.4 33.4 36.9 8.5 39.6 40.5 41.3 42.4 43.2 43.2 46.5
CE 100001 14.4 25.2 29.1 33.7 36.0 36.9 37.9 41.9 43.7 t5.0 45.8 46.6 47.7 48.S 48.5 51.8GE 90001 14.5 27.3 31.1 35.8 38.2 39.4 4 0.3 44.5 46.3 47.6 49.4 49.2 50.3 51.1 51.1 54.4GE 6000 15.0 28.4 32.4 37.6 40.2 41.3 42.6 47.1 48.9 50.3 51.3 52.1 53.2 54.0 54.o 57.3
bE 70001 I.0 28.9 33.1 36.4 &1.0 42.1 43.4 47.9 49.7 51.1 52.1 52.9 54.0 54.8 54.8 56.1GE 60 0 1;.2 29.4 33.5 39.0 41.6 42.7 44.0 46.5 50.3 51.6 52.9 53.9 55.0 55.8 55.8 59.0
6E 50001 16.0 31.5 35.6 41.3 44.2 45.5 46.8 51.5 53.2 54.7 S.8 56.8 57.9 56.7 58.7 51.9GE '4501 16.9 34.0 38.2 44.0 46.9 46.4 49.7 54.4 S6.0 57.6 58.7 59.7 60.8 61.6 61.6 64.66E 40001 11.0 36.6 41.0 47,6 51.1 53.1 54.7 60.0 b.8 63.2 64.4 65.3 66.6 67.4 67.4 70.6GE 35001 19&8 38.5 43.1 49.7 53.5 55.6 57.3 62.6 64.4 65.6 66.9 67.9 69.2 70.0 73.0 73.2GE 300012 0. 0.3 49.8 52.1 56.3 56.4 60.2 65.5 67.3 68.7 69.8 70.8 72.1 72.9 72.9 76.1
GE 25001 23.1 41.9 46.6 54.0 58.4 60.6 62.4 68.1 69.8 71.3 72.4 73.4 74.7 75.5 75.5 76.7bE 2001 22.4 44.2 49.0 511 61.6 63.9 65.6 71.5 73.2 74.7 75.6 76.8 76.1 78.9 76.9 62.1GE 17001 24.0 46.6 51.6 59.7 64.4 66.6 68-4 74.5 76.3 77.7 74.9 79.6 a 1.1 81.9 8,9 45.2
GE 15001 24.7 48.4 53.2 61.6 66.9 69. 11.1 71.4 19.2 80.6 1.19 92.7 64.0 44.6 64.8 68.1GE 1200 25.0 49.0 54.0 63.1 68.5 71.0 72.7 79.0 do.6 42.3 63.4 84.4 65.6 66.5 66.5 69.7
GE 100 25.0 49.0 54.0 63.2 68.9 71.5 73.2 79.5 63.5 82.9 84.0 85.0 86.3 87.1 67.1 90.3GE 9001 25.3 49.4 54.S 63.7 69.5 72.1 73.9 80.3 62.4 83.9 85.0 86.0 87.3 88.1 88.1 91.3GE 8001 25.3 49.4 54.5 63.7 70.3 72.9 74.6 81.5 64.0 A5.6 s.3 8.4 69.7 90.5 90.5 93.7GE 7U0 25.3 49.4 54.5 64.0 70.5 73.5 75.5 82.3 85.0 8.6 8.2 89.4 90.6 91.5 91.5 94.7GE 6001 25.3 49.4 54.5 64.0 70.f 73.7 75.6 82.6 65.S 97.3 88.7 90.0 91.3 92.3 92.1 95.3
bE 5001 25.3 49.5 54.7 64.2 71.0 74.0 76.0 62.9 85.6 87.6 89.0 90.3 91.6 92.4 92.4 95.6GE 4001 25.3 49.5 54 .7 64.2 71.3 74.0 76.0 62.9 65.6 67.6 69.4 90.6 92.3 93.1 93.1 96.3GE 3001 25.3 49.5 S4.7 64.2 71.1 74.2 76.1 83.1 86.0 67.7 69.5 90.8 92.4 93.6 93.4 96.9UE 2001 25.3 49.5 54.7 64.2 71.1 74.2 76.1 83.1 86.0 87.7 69.5 90.6 92.4 93.7 94.0 08.2GE lOl 25.3 49.5 54.7 b4.2 71.1 74.2 76.1 63.1 86.0 87.7 89.5 90.8 92.4 93.7 94.0 99.4
GE M9 25.3 49.5 54.7 64.2 71.1 14.2 76.1 63.1 66.0 87.7 69.5 90.8 92.4 93.7 94.0 100.0
..........................................................................................................................
T03AL NUMBER OF OPSERVAIIONS, 620
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONSAIR wEATHER SERVICE/IMAC
STATION NUMBER: 063250 STATION NAME: zIFRIKZE NL PERIOC OF PECOBO: 7T-78.O-86MONTH: SEP- HOURS(LSTI: 0900-1100
CEILING VISIBILITY IN STATUTE MILES""
IN I GE GE GE GE GE G GE GE GE GE GE GE GE GE GE GEFEET I 10 6 5 N 3 2 |!2 2 1 112 1 1/4 1 Y/4 5/8 112 5/16 1/4 0.. . . . . . . . . ....°. . . . * ,... ... . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . ............,......,.,*, , . ,. ... , ..,..
NO CElL I 11.8 18.3 23.2 22.9 24.5 25.9 26.2 28.1 28.9 30.3 33.8 31.9 32.1 32. 32.4 32.6
L.E 200001 16.3 26.1 29.4 32.3 34.1 35.6 36.0 38.3 39.2 40.7 41.2 42.4 42.5 42.9 42.9 93.0GE 180001 16.3 26.1 28.9 32.3 34.1 35.6 36.0 38.3 39.2 40.7 41.2 42.4 42.5 42.9 42.9 93.0(,E 16C00 1 6.3 26.1 2V.4 32.3 34.1 35.6 36.0 38.3 39.2 40.7 41.2 42. 42.5 42.9 42.9 N3.06E 14OOI 16.3 26.1 28.4 32.3 34.1 35.6 36.0 38.3 39.2 40.7 41.2 42.4 42.5 42.9 47.9 93.0GE 120001 16.6 27.9 33.3 34.8 37.0 38.5 38.8 41.2 42.9 43.9 49.9 95.5 45.7 46.1 46.1 96.2
GE IOOUoI 19.0 32.9 35.8 40.7 4 3 .2 44.7 45.2 48.1 49.2 50.9 51.4 52.6 52.9 53.3 53.3 53.4GE 9V0t1 21.5 3b.5 39.3 44.N 46.9 NA. N 48.9 51.8 52.9 S4.6 55.1 56.3 56.6 57.0 57.0 57.1
ZE 80001 22.5 38.5 91.3 47.1 50.1 51.9 52.6 56.I 57.3 59.3 59.8 61.0 61.3 61.7 61.7 61.8bE 700 1 22.T 38.7 41.5 47.2 50.9 52.3 53.1 56.6 57.8 59.8 60.3 61.5 61.8 62.2 62.2 62.9GE 60001 22.5 38.8 41.8 47.7 50.9 52.8 53.6 57.1 58.3 60.3 60.8 62.2 62.5 62.9 62.9 63.0
.E So00l 22.9 40.3 43.7 49.7 53.4 55.3 56.1 59.7 60.8 63.0 63.5 64.9 65.2 65.5 b5.5 65.7GE 45001 24.0 42.2 45.7 52.1 56.0 57.8 58.8 62.4 63.S 65.7 66.2 67.6 67.9 68.2 68.2 68.4GE 40001 25.9 46.2 49.9 57.1 61.S 63.5 64.7 68.2 69.6 71.8 72. 3 73.6 73.9 74.3 74.3 74.5GE 35001 26.2 47.2 53.9 56.5 62.9 64.9 66.2 69.9 71.3 73.4 73.9 75.3 75.6 76.0 76.0 76.1GE 30001 27.1 49.4 53.3 61.0 65.7 67.7 69.1 72.8 74.1 76.5 77.0 78.3 78.7 79.0 29.0 79.2
GE 2SO01 28.4 51.4 55.3 63.4 68.1 70.1 71.4 75.1 76.5 78.8 79.3 80.7 81.0 81.3 81.3 81.5GE 20001 29.6 53.1 57.0 65.2 70.6 72.6 73.9 77.8 79.2 81.5 82.2 83.5 83.9 R4.2 84.2 84.4GE 18001 30.3 55.L 59.2 67.6 12.9 75.1 76.5 80.3 81.7 84.0 84.7 86.1 86.4 86.7 86.7 T 6.9
GF 15011 30.9 56.6 62.8 69.2 74.8 77.0 78.3 82.4 83.7 86.1 86.7 88.1 89.4 88.7 89.7 88.9GE 12001 31.3 57.5 61.7 70.4 76.0 78.2 79.5 83.7 85.4 87.7 89.4 89.7 901.1 90.4 90.4 90.6
6E 10001 31.3 57.5 61.7 70.6 76.1 78.8 80.2 84.5 86.2 8.6 89.2 90.6 90.9 91.3 91.3 91.4GE 9001 31.3 57.8 62.2 71.3 76.- 79.7 81.0 85.4 87.1 89.4 90.1 91.4 91.8 92.1 92.1 92.3GE 8oot 31.3 ST.6 67.2 71.3 77.1 80.0 81.3 8b.2 88.1 90.6 91.3 92.6 92.9 93.3 93.3 93.4
GE 7001 31.3 57.8 62.2 71.6 77.. 80.3 81.7 86.9 88.7 91.4 97.4 93.9 94.S 94.8 94.8 95.0GE 6001 31.3 57.8 62.2 72.1 77.8 80.8 82.4 87.7 89.6 92.3 93.4 95.0 95.5 95.8 95.8 96.0
GE 500I 31.3 57.8 62.2 72.1 77.8 80.8 82.4 87.7 89.7 92.4 93.8 95.5 96.0 96.3 96.5 96.6
(E qoo 31.3 57.8 62.2 72.1 78.2 81.2 82.7 88.2 90.3 92.9 95.0 97.1 97.6 98.0 98.3 98.7GE 3001 31.3 57.8 62.2 72.1 T.2 81.2 82.7 88.2 90.3 92.9 95.0 97.1 97.6 98.2 98.7 99.0GE 2001 31.3 57.8 62.2 72.1 78.2 81.2 82.7 88.2 90.3 92.9 95.0 97.1 97.6 98.3 99.2 99.S
GE 1001 31.3 57.8 62.2 72.1 74.' 81.2 82.7 88.2 90.3 92.9 9S.0 97.1 97.6 98.3 99.2 99.8
GE 01 31.3 57.8 62.2 72.1 78.2 81.2 82.7 88.2 90.3 92.9 95.0 97.1 97.6 98.3 99.2 100.0
TOTAL NUMBER OF OBSERVATIONS: 495
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURPENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOU4LY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMPER: 063250 STATION NAME: ZIERIKZEC NL PERIOD OF RECORD: 77-86MONTH: SEp HOURS(LSTI: 1200-1400
- . . . . . ... . . . . . . . . . . . . . . . . . . . . . .
CEILING VISIBILITY IN STATUTE MILESIN GE GE GE GE GE ST GE GE GE GE GE GE GE GE GE GE
.................................................................................................................................................FEET I10 6 5 4 3 2 ]12 2 I 1/2 1 1/4 1 1/4 5/8 1/2 5/16 11/4 0
NO CEIL 1 18.2 26.7 27.8 30.1 31.7 32.9 34.3 35.9 36.2 37.6 38.2 38.5 38.5 38.5 34.5 38.5
GE 20001 23.6 35.2 37.1 40.8 42. 44.2 45.7 47.6 48.1 49.5 50.2 50.5 50.5 50.5 50.5 S0.5GE 180001 23.6 35.2 37.2 41.0 43.0 44.4 45.9 47.8 48.2 49.6 50.4 50.7 5G.7 50.7 So.7 ,7GE 160001 23.6 35.2 37.2 41.0 43.1 44.4 45.9 47.8 48.2 49.6 50.4 50.7 50.7 50.7 50.7 50.7ZE 4001 23.6 35.7 37.7 41.7 43.7 45.3 46.7 48.5 49.0 50.4 51.2 51.5 51.5 51.5 51.5 51.5GE 120001 24.6 37.6 39.6 43.7 45.9 47.3 48.8 50.9 51.3 52,7 53.5 53.8 53.8 53.6 63.8 53.A
I.E 100001 27.8 43.3 45.7 50.5 52.9 54. 4 56.0 58.0 58.6 60.1 60.9 61.2 61.2 61.2 61.2 61.2GE 90001 29.1 45.6 48.4 53.5 55.8 57.3 58.9 60.9 61.5 63.1 63.8 64.1 64.1 64.1 64.1 64 1GE 80001 30.8 49.0 52.4 57.5 59.V 61. 4 62.9 65.1 65.7 67.2 64.0 68.3 68.3 68.3 68.3 66.3i.E 7U001 30.9 49.1 52.7 58.0 60.3 61.8 63.4 65.5 66.2 67.7 68.5 68.8 68.8 68.8 68.8 66.8IE 60001 31.2 49.8 53.3 58.6 60.9 62.4 64.0 66.2 66.9 68.5 6).2 69.6 69.6 69.6 69.6 69.6
bE 50001 31.8 51.6 55-2 60.4 62.8 64.3 65.8 68.0 68.8 70.3 71.1 71.4 71.4 71.4 71.4 71.46E 45001 33.1 53.5 57.0 62.4 64.8 66.5 68.0 70.2 70.9 72.5 73.3 73.6 73.6 73.6 73.6 73.6GE 40001 34.3 56.3 59.8 65.4 68.2 69.9 71.4 73.6 74.3 75.9 76.7 77.0 77.0 77.0 77.0 77.0GE 35001 35.2 58.7 62.4 68.0 70.8 7Z. S 74.0 76.5 77.3 78.8 79.6 79.9 79.9 79.9 79.9 79.9GE 30001 36.5 61.5 65.2 70.9 74.2 76.0 77.6 80.2 81.0 42.5 83.3 83.6 83.6 83.6 83.6 83.6
GE 25CO 37.6 63.5 67.2 73.1 76.5 78.4 79.9 82.5 83.3 8.,9 85.6 45.9 85.9 85.9 85.9 85.9GE 2ro01 38.8 66.3 70.2 76.5 80.3 82.2 83.8 86.4 87.2 88.7 89.5 49.8 89.8 49.8 89.8 V9.8I.E 18001 38.9 66.8 73.6 77.3 BO.R 83.0 84.5 87.6 88.4 90.0 90.7 91.0 91.0 91.0 91.0 91.0GE 15001 39.4 68.2 72.0 78.7 82.4 84.7 86.7 89.8 90.9 92.4 93.2 93.5 93.5 93.5 93.5 93.5I .E 12001 39.4 68.6 72.5 79.1 82.4 85.2 87.3 90.6 91.7 93.2 94.0 94.4 94.4 q4.4 94.4 94.4
IE 10001 39.4 68.6 72.5 79.1 82. 85.2 87.6 91.2 92.3 94.0 94.7 95.2 9S.2 95.4 9S.4 95.4GE 9001 39.4 68.6 72.5 79.1 83.0 85.5 87.9 91.8 929 4.7 95.5 96.0 96.0 Q6.1 96.1 96.1IE 8001 39.4 68.6 72.6 79.4 83.7 85.8 88.3 92.3 93.4 95.5 96.3 96.8 96.8 96.9 96.9 96.9G E 701 39.4 68.6 72.6 79.4 83.6 86.2 88.7 92.7 94.0 96.4 97.2 97.7 97.7 98.0 98.0 98.0BE 6001 39.4 68.6 72.6 79.8 83.9 86.6 89.0 93.2 94.4 97.1 97.8 98.8 98.8 99.1 99.1 99.1
GE 5ool 39.4 68.6 72.6 79.8 83.9 86.6 89.0 93.4 91.6 97.2 98.0 98.9 98.9 99.2 99.2 99.2GE 400 39.4 68.6 72.6 79.8 84.1 46.7 89.2 93.8 95.1 97.7 98,
6 99.7 99.7 100.0 300.0 100.0
GE 3001 39.4 68.6 72.6 79.8 84.1 86.7 89.2 93.8 95.1 97.7 94.6 99.7 99.7 100.0 300.0 100.0GE 2001 39.4 68.6 72.6 79.8 84.3 86.7 89.2 93.8 95.1 97.7 98.6 99.7 99.7 I00.0 100.0 300.42GE 3001 39.4 68.6 72.6 79.8 84. 1 46.7 89.2 93.8 95.1 97.7 98.6 99.7 99.7 10.0 100.0 100.0
GE 0I 39.4 68.6 72.6 79.8 84.1 86.7 89.2 93.8 95.1
97.7 98.6 99.7 99.7 100.0 100.0 100.0
TOTAL NUMBER Of ORSERVATIONS: 647
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUsAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE NL PERIOD OF RECORD: 71-86MONTH: SEP HOURSILSTI: 1500-17C0
CEILINGVIILTYNSTTTMIE
IN GE GE GE GE GE GE GE GE GE GE SE GE GE GE GE GFFEET 10 6 5 4 3 2 112 2 1 1/2 1 1/4 1 1/4 5/8 1/2 /16 1/4 0
NO CEIL 1 18.0 26.3 29.4 31.4 33.0 33.3 34.8 35.8 37.4 38.7 40.2 40.5 40.5 40.5 40.5 40.5
GE 200001 25.3 37.1 41.0 43.1 44.8 45.3 46.7 47.7 49.3 50.7 52.3 52.6 52.6 S2.6 52.6 52.6GE 180001 25.3 37.1 41.3 43.1 44.9 45.3 46.7 47.7 49.3 50.7 5?.3 52.6 52.6 52.6 52.6 52.6
GE 16300 25.3 37.1 41.0 43.1 44.8 45.3 46.7 47.7 49.3 50.7 52.3 52.6 52.6 52.6 52.6 52.6GE 140001 25.5 37.4 41.3 43.5 45- 45.6 47.1 48.0 49.7 51.0 52.6 52.9 52.9 52.9 52.9 52.9
GE 120001 26.5 39.1 43.0 45.3 46.9 47.4 49.0 50.0 51.6 52.9 54.6 54.9 54.9 54.9 54.9 54.4
GE 100001 29.2 45.3 49.7 53.1 54.9 55.7 57.5 58.8 60.5 61.8 63.4 63.7 63.7 63.7 63.7 63.7GE 90001 30.9 47.4 51.8 55.2 57.0 57.8 59.6 60.9 62.6 64.1 65.7 66.0 66.0 66.0 66.0 66.0UE 8000! 32.2 49.7 54.4 58.2 60.1 60.9 62.7 64.2 65.8 67.3 69.0 69.3 69.3 69.3 69.3 69.3
GE 7000! 32.5 50.0 54.7 58.5 60.5 61.3 63.1 64.5 66.2 67.6 69.3 69.6 69.6 69.6 69.6 69.6GE 60001 32.8 50.5 55.2 59.0 60.9 61.8 63.6 65.2 66.8 68.3 b.9 70.3 70.3 70.3 7r.3 70.3
GE 5000 34.5 52.8 54.2 61.9 63.9 64.7 66.5 68.5 70:1 71.6 73.2 73.5 73.5 73.5 73.5 73.5
GE 4500 35.6 54.6 63.1 63,9 66.D 66.8 69.0 71.1 72.7 74.3 76.0 76.3 76.3 76.3 76.3 76 3GE 40001 37.7 58.7 64.5 68.8 71.1 71.9 74.0 76.1 77.8 79.6 81.2 81.5 81.5 81.4 R3.4 91.5GE 3400! 38.9 61.8 67.6 72.1 74.3 75,2 77.3 79.4 81.0 82.8 84.5 84.8 84.8 84.8 84.8 P4.8
GE 30001 4C.O 63.7 69.6 74.2 76.6 77.5 79.6 82.0 83.7 85.5 87.1 87.4 87.4 87.4 87.4 87.4
(E 2500! 40.5 6S.2 71.1 76.8 79. 4 8C9 83.0 85.5 87.1 88.9 90.5 90.8 90.8 90.8 90.8 90.9GE 2000 41.3 66.5 7'.0 78. 80.7 82.2 84.3 86.8 88.4 90.2 91.8 92.2 92.2 92.2 92,2 92.2GE 1UO 4.5 67,U 73.4 78.8 81.4 62,8 85.0 87.4 89.1 90.8 97.5 92.8 92.8 92.8 97.8 92.8GE 15001 81.A 67.5 74.2 80.1 82.7 84.2 86.3 88.7 90.4 92.2 94.0 94.3 94.3 94.3 94.3 94.3
GE 17001 42.0 67.8 74.5 80.4 83.0 84.5 86.6 89.4 91.2 93.1 94.9 95.3 95.3 95.3 99.3 q5.3
GE 100! 42.0 67.8 74.5 80.4 83.2 84.6 86.9 89.7 91.7 93.6 95.4 95.8 95.8 95.8 95.8 95.8GE 9001 42.2 68.0 75.2 81.0 83.8 85.3 87.6 90.5 92.5 94.6 96.4 96.7 96.7 96.7 96.7 96.7bE Pool 42.2 68.0 T5.2 81.0 84.2 85.6 88.1 91.5 93.8 96.1 98.2 98.5 98.5 98.5 98.5 98.5
GE 7001 42.2 68.0 75.3 81.4 84.5 85.9 88.4 91.8 94.1 96.4 99.7 99.0 99.0 Q9.0 99.0 99.U
GE 600! 42.2 68.0 75.3 81.4 84.8 96.3 88.7 92.2 94.4 96.7 99.0 99.3 99.3 99.3 99.3 99.3
GE 500! 42.2 68.3 75.7 83.7 85.3 86.8 89.2 92.6 94.9 97.2 99.5 99.8 99.8 99.8 99.8 99.8GE 400! 42.2 68.3 75.7 81.7 85.! 86.8 89.2 92.6 98.9 97.2 90.5 99.8 99.8 99.8 99.8 99.8
GE 300! 42.2 68.3 75.7 81.7 85.3 86.9 89.4 92.8 95.1 97.4 99.7 100.0 100.0 300.0 100.0 0o.oGE 200! 42.2 68.3 75.7 81.7 85.3 86.9 89.8 92.8 95.1 97.4 99.7 100.0 O00.O 100.0 O0.O 300.0GE 1 001 42.2 68.3 75.7 81.7 85.3 86.9 89.4 92.8 95.I 97.4 90.7 10.0 100.0 3o.0 100.0 100.0
GE 0! 42.2 68.3 75.7 81.7 85. 3 86.9 89.4 92.8 95.1 97.4 99.7 100.0 300.0 300.0 300.0 IOU.O
TOTAL NUMBER OF OPSERVATIONS: 612
9
2 GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY
USAFETAC FROM HOURLY OBSERVATIONS4 AIR wEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 77-86
MONTH: SEP HOURS(LST): 1800-2000................................................................................................. ...........................CEILING VISIBILITY IN STATUTE MILES
IN I GE GE GE GE GE GE GE GE GE GE rE GL GE GE GE GEFEET I II 6 5 N 3 2 If2 2 1 112 1 1/4 1 3/4 5/8 1/2 5/16 I/4 0
NO CETL I 2N.0 31.4 33.0 36.2 38.7 39.6 0.5 N1.9 2.6 43.8 44.9 45.5 45.B 45.8 45.8 45.8
GE 200001 3n.4 40.U 42.5 45.8
48.4 49.3 50.N 51.8 52.5 53.9 5.1 55.7 56.0 S6.0 56.0 56.0GE 180001 30.4 4O.0 42.5 45.8 48.4 49.3 50.4 51.8 52.5 53.9 51.1 55.7 56.0 56.0 56.0 5.0GE 160001 30.4 40.0 42.5 5.8 48.4 49.3 50.4 51.8 52.5 53.9 55.1 55.7 S6.0 56.0 56.0 56.0GE 14000 1 30.6 N0.2 4.6 6.0 48.6 49.5 50.5 51.9 52.7 5N .0 55.3 5.9 56.2 56.2 56.2 5E.2GE I2CO0l 30.7 41.N 43.8 47.5 50.1 51.0 52.1 53.4 54.2 55.6 56.8 57.4 57.7 57.7 57.7 57.7
GE 100001 34.7 49.2 51.6 55.6 58.1 59.1 60.1 61.5 62.N 63.8 65.0 65.6 65.9 65.9 65.9 65.9GE 90001 35.8 50.8 53.3 57.2 59.4 60.7 61.8 63.2 bN.1 65.4 66.7 67.3 b.6 67.b 67.6 A7.b4E 80001 37.0 53.4 56.0 60.3 63.2 64.N 65.6 67.3 68.2 69.6 70.8 71.4 71.7 71.7 71.7 71.76E 70001 37.3 53.7 56.3 60.7 63.6 64.8 66.2 67.9 b8.8 70.2 71.4 72.0 72.3 72.3 72.3 72.3GE 60001 374 54 N.
2 56,8 61.2 64.1 65.3 66.7 68.3 69.3 70.6 71.8 72.5 72.8 72.8 72.8 72.8
GE 50001 38.1 56.2 59.2 63.8 66.7 68. 2 69.6 71.2 72.1 73.5 74.7 75.3 75.6 75.6 75.6 75.6GE 45001 38.4 57.2 60.4 6.1 a8.Z 69.A 71.1 7?2.9 73.8 75.2 76.4 77.0 77.3 77.3 77.3 77.3GE 40001 40.3 60.6 63.9 68.8 71.7 73.? 7N.7 76.6 77.5 78.8 80.1 80.7 81.1 S1.1 81.1 81.1GE 35001 42.3 63.9 67.4 72.5 75.5 77.0 78.5 80.4 81.3 82.6 83.9 84.5 44.9 84.9 84.9 84.9GE 30001 N3.7 65.9 69.9 75.0 78.1 79.6 81.3 83.3 84.2 85.5 86.4 87.4 87.8 97.8 87.8 87.8
GE 25001 44.9 67.7 71.7 77.? 80.5 82.0 84.0 86.0 67.1 88.4 89.6 90.3 90.7 90.7 90.7 90.7GE 20001 45.1 68.5 77.6 78.2 81.6 83.1 8s.1 87.2 88.3 89.6 90.9 91.5 91.9 91.9 91.9 91.9GE 18001 45.5 69.6 73.8 79.5 82.3 84.3 86.3 88.6 89.6 91.C 97.2 92.8 93.3 93.3 93.3 93.3GE 15001 46.0 7U.5 75.0 81.0 84.6 86.3 88.3 90.6 91.8 93.2 94.4 95.0 95.4 95.4 95.4 95.4GE 17001 46. n 71.1 75.6 81.6 85.2 87.1 89.0 91.3 92.7 94.1 95.3 95.9 96.3 96.3 96.3 96.3
GE ICOO1 46.1 71.2 75.8 81.7 85.q 87.2 89.2 91.5 92.8 94.2 95.6 96.2 96.7 qb.7 96.7 96.7GE 9001 46.1 71.2 75.4 81.7 85.4 87.2 89.? 91.8 93.5 94.8 96.2 96.8 97.3 97.3 97.3 97.3GE 9001 46.1 71.2 75.8 82.2 85.8 87.7 89.6 92.2 93.9 95.9 97.4 98.0 98.5 98.5 9.5 98.5GE 7001 46.1 71.5 75.1 82.6 86.3 88.1 90.1 92.7 94.4 96.3 97.9 98.5 98.9 98.9 98.9 98.9GE 6001 46.1 71.5 76.1 82.6 86.3 88.1 90.1 93.0 94.7 96.7 9R.2 98.8 99.2 99.2 99.2 99.2
GE 5001 46.1 71.5 76.1 82.b 86.3 88.1 90.1 93.0 94.7 q6.7 99.2 98.8 99.2 99.2 99.2 99.2GE 4001 46.1 71.5 76.1 82.6 86. 88.1 90.1 93.2 95.0 97.0 99.5 99.1 99.5 99.5 99.5 99.5GE 3001 46.1 71.5 76.1 82.6 86.3 98.1 90.1 93.2 95.0 97.c 94.5 99.1 99.5 99.5 99.5 99.5GE 2001 46.1 71.5 76.1 82.6 86.3 88.1 90.1 93.2 95.0 97.0 98.5 99.1 99.5 99.5 99.5 99.5GE 1001 46.1 71.5 76.1 82.6 86.3 88.1 90.1 93.2 95.0 97.0 98.5 99.1 99.7 99.7 99.7 99.8
GE 01 46.1 71.5 76.1 82.6 86.3 88.1 90.1 93.2 95.0 97.0 98.5 99.1 99.7 99.7 99.7 100.0
TOTAL NUMBER OF OBSERVATIONS: 657
* GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOUqLY OBSERVAT1ONSAIR WEATHER SERVICE/MAC
STATION NUMSER: 063250 STATION NAME: ZIERIKZEt NL PERIO0 OF RECORO: 77-86MONTH: SEP HOURSILSTI: 2100-2300
..............................................................................................................................CEILING VISIBILITY IN STATUTE MILES
IN GE GE GE GE GE G GE GE GE GE GE GE GE GE GE GE") FEET 10 6 5 4 3 2 1f2 2 1 112 1 1/4 1 3/4 5/8 1/2 5/16 i/4 0
I) Nu CEIL 23.o 35.1 39.' 43.3 '5.5 q7.9 48.1 S0.5 51.4 53.2 54.0 54.1 54.1 S4.1 54.3 54.3
GE 20000 25.2 '.0.7 '.4 '8.3 50.6 53.6 53.8 56.2 57.3 59.1 60.2 60.6 60.8 60.8 6a.0 61.0.GE 1A000 25.2 '.7 41:4.4 8.3 50. 6 53.6 53.8 56.2 57.3 59.1 60.2 60.6 60.8 60.8 6.0 61.0
GE 160001 25.2 40.7 q1..4 48.3 50-6 53.6 53.8 56.2 57.3 59.1 61.2 60.6 60.8 60.8 61.0 61..GE 1MOD| 25.4 40.9 454.6 48. 50.8 53,8 54.0 56'. 57.5 59.3 60.4 60.8 61.0 61.0 61.1 61.1GE 120001 25.6 41.6 45.3 9.2 51.6 54.5 54.1 57.1 58.2 60.0 61.1 61.5 61.7 61.7 61.9 61.9
GE 100001 26.5 44.4 48.6 52.7 55.2 58.2 58.4 61.0 62.1 63.9 65.0 65.4 65.6 65.6 65.7 65.7GE 9000l 28.2 47.1 51. 55.4 58.U 61.0 61.1 63.7 64.8 66.7 67.8 68.1 68.3 68.3 68.5 68.5GE 80001 28.7 47.9 52:1 56.' 58.9 61:9 62.1 64.6 65.7 67.6 68A7 69.1 69.2 69.2 69.4 69.
GE 70001 28,7 '7.9 52.1 56.4 59.1 62.1 62.2 64.8 65.9 67.8 64.9 69.2 69. 69.4 69.6 69.6GE 6001 28.7 48.3 52.5 56.7 59.5 62. 4 62.6 65.2 66.3 68.1 69.2 69.6 69.8 69.8 70.0 70.0
GE 5c001 29.1 49.'. 54.0 58.6 61.3 64.3 64.5 67:0 68.3 70.2 71.3 71.6 71.8 71.8 72.0 72.0GE .500| 29.3 50.5 55.1 59.7 62.6 65.6 65.7 68.5 69.8 71.6 77.7 71.1 73.3 73.3 73.5 73.5
GE 0001 31.3 55.1 60.6 65.7 68.7 71.b 71.8 74.8 76.1 77.9 79.0 79.4 79.b 79.6 79.7 79.7.E 35001 31.9 56.7 62.2 68.1 71.5 74.6 74.98 77.7 79.0 80.8 82.0 82.3 82.5 82.5 82.7 82.7GE 30001 33.7 59.9 65.4 71.5 75.1 78.3 78.5 82.0 83.2 85.1 86.2 86.6 86.7 86.7 86.9 86.9
GE 25001 33.9 60.4 66.3 72.' 76.2 79.4 79.6 83.1 84.3 86.2 87.3 87.7 81.8 87.8 88.0 88.0GE 20001 34.1 60.8 66.7 72.9 76.8 79.9 80.1 83.6 84.9 86.7 87.8 88.2 88.4 88.' 84.6 88.6
GE 18001 34.3 61.9 68.0 74.2 78.1 81.2 81.6 85.1 86.4 88.2 89.3 89.7 89.9 89.9 90.1 90.1GE ISO0l 34.4 62.2 69.1 75.7 79.9 83.1 83.6 87.1 88.4 90i2 91.3 91.7 91.9 91.9 92.1 92.1GE 12001 34.6 62.6 69.6 76.6 80.4 84.0 84.5 88.0 89.3 91.2 92.3 92.6 9Z.8 92.8 93.0 93.0
GE 10001 34.6 62.6 70.2 77.3 81.6 84,7 85.5 89.0 90.2 92.1 93.2 93.6 93.7 93.7 93.9 93.9GE 9001 34.6 63.0 70.7 78.5 83.1 86.4 87.3 90.8 92.1 93.9 95.2 95.6 95.8 95.8 95.9 95.9GE 8001 39.6 63.0 73.7 78.5 83.2 86.6 87.5 91.0 92.3 94.7 95.9 96.3 96.5 96.5 96.7 96.7GE 7001 34.6 63.0 73.7 78.8 83.' 87.1 88.2 91.7 93.0 95.6 76.9 97.2 97.4 97.4 97.6 97.6GE 60n) 34.6 63.0 70.7 78.8 831 87.3 88.6 92.6 93.9 96.5 97.8 98.2 98.3 98.3 98.5 98.5
GE 5001 34.6 63.0 70.7 78.8 83.8 87.5 88.8 92.8 94.3 96.9 98.2 98.5 98.7 98.7 98.9 98.9GE 4001 34.6 63.0 73.3 78.8 83.8 87.5 88.8 92.8 91.3 97.6 9R.9 99.3 99.4 99.4 99.6 99.6GE 3001 34.6 63.0 70.7 78.8 83.8 87.5 88.8 92.8 94.3 97.6 98.9 99.3 99.4 99.4 99.6 99.6GE 2001 34.6 63.0 73.7 78. 83.8 87.5 88.8 92.8 94.3 97.6 98.9 99.3 99.' 99.6 99.8 99.8GE 1001 34.6 63.1 737 78.8 83.8 A7.5 88.8 92.8 94.3 97.6 98.9 99.3 99.4 99.6 99.8 99.8
GE 01 34.6 63.0 70.7 78.8 83.8 87.5 88.8 92.8 94.3 97.6 98.9 99.3 99.4 99.6 99.8 100.0
.............................................................................................................................................
TOTAL NUMBER OF OBSERVATIONS: 5'3
S}i l ~ l IIIIIIlIl
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURCENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE NL PERIOD OF RECOPO: 77-86MONTH: SEP HOURSILSTI: ALL
CEILING VISIBILITY IN STATUTE MILES
IN I GE GE 5E GE GE G GE GE GE GE GE GE GE GE GE GEFEEt I 10 6 5 9 2 12 2 1 1/2 I 1/9 1 3/9 i/A 112 5/16 1/9 u
* NO CEIL 1 17.8 26.9 29.9 32.7 3 9 .R 36.0 36.8 38.8 39.8 91. 1 N1.9 92.0 42.8 92.9 3.1 93.7
GE 200001 21.5 32.5 35.9 39.7 92.1 93.5 99.9 96.6 47.8 99.2 50.1 50.7 51.1 51.3 51.9 52.1GE 180001 21.5 32.5 35.9 39.8 92.2 93.6 99.5 96.7 97.8 99.3 50.1 50.7 51.1 51.3 51.9 52.2GE 160001 21.5 32.5 35.9 39.8 92.2 93.6 99.5 96.7 97.8 99.3 50.1 50.7 51.1 51.3 51.9 52.2GE 19000I 21.6 32.7 36.1 90.0 92. 93.8 99.7 96.9 98.0 99.5 53.9 50.9 51.3 51.5 61.6 52.9GE 12 001 21.9 33.8 37.2 91.3 93.7 95.1 96.1 98.3 S9.5 52.0 S.9 52.5 52.9 53.1 53.2 53.9
UE 100001 29.2 38.6 92.q 96.9 99.6 51.1 52.1 59.6 5.9 57.9 59.3 58.9 59.3 59.5 59.6 60.9GE 90001 25.3 90.5 99.9 99.0 51.7 53.2 59.2 56.7 58.0 59.5 60.5 61.1 61.5 61.7 61.8 62.5GE 80001 26.2 42.3 96.9 S1.3 59.1 55.7 56.8 59.5 60.8 62.9 63.9 69.0 69.9 69.6 61.7 65.
5GE 70001 26.3 92.5 96.7 51.6 59.5 56.1 57.2 60.0 6. 62.9 63.8 69.9 69.9 65.1 65.2 65.9GE bOO0 26.9 92.8 97.0 52.0 55.0 56.6 57.8 60.5 61.8 63.9 69.9 6. 65.5 65.7 65.8 66.6
GE 50001 27.3 95.0 99.5 59.7 57.8 59.5 60.6 63.9 b.7 66.9 67.9 68.0 68.9 66.7 68.8 69.5GE 95001 28.1 96.7 S1.9 56.8 59.9 61.7 62.9 65.8 67.2 68.8 69.8 70.9 70.9 71.1 71.2 71.9GE 40001 30.0 50.5 55.9 61.4 69.9 66.8 68.1 71.1 72.9 79.1 75.1 75.7 76.2 76.9 76.5 77.3GE 35001 31.0 52.7 57.8 69.0 67.6 69.s 70.8 73.9 75.3 77.0 77.9 78.6 79.0 79.3 79.9 80.1GE 30001 32.2 55.0 60.2 66.7 70.6 72.5 73.9 77.2 78.6 80.3 81.2 81.9 82.4 82.6 87.7 83.9
GE 25001 33.1 56.6 62.0 68.7 72.8 79.8 76.2 79.6 81.0 82.7 83.7 89.3 89.8 95.0 85.1 85.8GE 20001 33.8 57.9 63.9 70.3 79.5 76.6 79.1 81.6 63.0 89.7 85.7 96.3 86.8 97.0 87.1 87.8GE 18001 39.3 59.2 69.9 71.9 76.2 78.3 79.8 83.4 89.8 86.5 87.5 88.1 88.6 88.8 88.9 89.7GE 15001 39.7 60.3 66.2 73.9 77.9 80.1 81.7 85.3 86.8 88.5 89.5 90.2 90.6 90.9 91.u 91.7GE 12001 35.0 61.1 67.1 74.6 79.2 81.9 83.0 86.7 88.3 90.1 91.1 91.8 92.2 92.4 92.5 93.3
GE 10001 35.0 61.1 67.2 79.9 79.6 81.9 83.5 87.9 89.0 90.8 91.8 92.5 93.0 93.2 93.3 99.0GE 9001 35.0 61.3 67.6 75.3 80.1 82.5 89.2 88.1 89.9 91.7 92.8 93.5 93.9 99.1 99.3 95.0GE 8001 35.0 61.3 67.b 75.6 80.5 93.0 88.7 88.9 90.7 92.9 94.0 94.7 95.2 95. 95.5 96.3GE 700 35.0 61.9 67.8 75.9 81.0 83.5 85.3 89.6 91.7 93.9 95.1 95.8 9t.3 96.6 96.7 97.9DE 6001 35.0 61.q 67.8 76.1 81.2 83.8 85.6 90.2 92.2 79.5 95.7 96.5 97.0 97.3 97.9 98.1
GE 500u 35.0 61.9 67.9 7b.1 81.3 83.9 85.7 90.3 92.9 94.7 95.9 96.8 97.3 97.5 97.6 98.9GE 9001 35.n 61.9 67.9 76.1 81.9 83.9 85.8 90.6 92.6 95.0 96.9 97.3 97.8 98.1 98.2 99.0GE 3001 35.0 61.9 67.9 76.1 81.9 89.0 85.8 90.5 92.6 95.0 96.5 97.9 97.9 98.2 98.9 99.2GE 2001 35.0 619 67.9 76.1 81.9 89.0 85.8 90.5 92.6 95.0 96.5 97.9 97.9 98.3 98.5 99.5GE 1001 35.0 61.9 67.9 76.1 81.4 99.0 85.8 90.5 92.6 95.0 96.5 97.9 97.9 98.9 98.6 99.8
GE Of 35.2 61.5 67.9 76.2 81.4 89.0 85.8 90.5 92.6 1 95.1 96.5 97.9 98.0 98.9 98.6 100.0.. . . . . . . . . . . . .. . . . . . . . . . .... ° ~ e. . . . . . .. . . . . . .. . . . . .. . . ..........°° e ... . ...
TOTAL NUMBER OF OBSERVATIONS: 9739
Jo Lnn -- iemminmnumm muu
GLOBAL CLIMATOLOGY BRANCH PEkCENTAGE FROQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICIMAC
%TATION NUMBER: 063250 STATION NAME: 7]1RIXZ[ NEL PERIOD OF RECORD: 80-86MONTH: OCT HOURSILSTI: 0000-0200
LILNG VISIBILIIY IN 5TAIUIF MIl5
IN GE GE GE GE GE GO GE GE GE GE GE GE GE 5E GE GEFEET 10 6 5 8 1 2 112 2 1 112 1 1/ 1 '1/ 5/8 V2 5/16 111 0
NO CE/L 1 15.2 29.5 31.7 35.0 37.9 39.8 80.2 83.7 988.0 5.0 85.1 85.1 85.1 45.7 85.7 87.0
bE 200001 16.0 31.2 31.1 37.8 40.b 2.6 82.9 86.8 86.8 87.7 87.9 87.9 87.9 88.8 88.8 89.7GE 180001 16.0 51.2 38.1 37.8 80.6 42.b 82.9 86.8 8 6.8 87.7 87.9 87.9 87.9 88.8 88.8 89.7GE 16000 16.0 31.2 38.1 37.8 80.6 82.b 82.9 86.8 86.8 87.7 8?.9 87.9 87.9 88.8 8.8 89.7GE 1800 16.0 31.2 38.1 37.8 80.b 82.6 82.9 86.8 46.8 87.7 87.9 87.9 87.9 88.8 88.8 89.1GE 12000l 16.1 31.9 38.9 38.5 81.3 83.3 83.7 87.2 87. 5 88.8 88.6 88.6 88.6 89.2 89.2 50.5
GE 100001 17.2 38.9 1s.s 4Z.4 qS.l 87.3 q?.? 51.2 51.6 5Z.6 57.7 52.7 52.7 S3.2 53.2 58.5GE gro0 17.8 36.1 39.6 88.0 86.8 89.0 89.8 52.8 53.2 58.1 58.3 58.3 58.3 58.9 58.9 56.1GE 80001 18.2 37.8 81.7 86.1 89.0 51.2 51.6 55.0 56.8 S6.3 56.5 56.5 56.5 57.1 57.1 58.3GE 7t,0o 18.2 38.0 81.8 86.8 8#9. 51.6 51.9 55.1 55.8 S6.7 56.9 56.9 56.9 57.8 57.8 58.7GE 60001 18.2 38.0 81.8 86.8 89.8 51.6 51.9 55.8 55.8 56.7 56.9 56.9 56.9 57.8 67.8 5b.
GE SODO 18.9 39.3 8j.5 88.8 51.6 53.8 58.3 57.6 58.2 59.3 59.6 59.6 59.6 60.2 69.2 61.5GE 85001 20.2 81.5 85.7 50.6 53.8 56.0 56.3 59.8 60.8 61.5 61.8 61.8 61.8 62.8 b2.4 63.7
GE 80001 22.6 85.5 50.1 55.2 58.5 60.9 61.3 68.8 65.3 66.8 06.9 66.8 66.8 67.3 67.3 68.6UE 35001 28.2 88.8 58.S 59.6 62.9 65.3 65.7 69.? 69.7 70.8 13.2 71.2 71.Z 71.7 71.7 73.0GE 30003 Z5.9 52.1 58.0 63.5 66.8 69.8 69.7 73.2 73.8 78.9 75.2 75.2 75.2 75.8 75.8 77.1
bI 25001 26.6 S8.3 63.b 66.8 70.1 72.8 73.2 76.7 77.2 78.3 19.7 ?8.7 78.7 79.3 79.3 60.6GE 2C001 26.8 55.8 62.0 68.8 72-7 75.8 75.8 79. 8 80.0 81.1 81.5 81.5 81.5 82.0 82.0 83.3GE 18001 26.8 57.1 63.3 70.1 78.5 77.6 78.2 81.8 82.6 83.7 88.0 89.2 88.2 88.8 8.8 86.1GE ISOO 27.0 58.3 65.0 71.7 76.3 79.8 80.0 88.0 88.8 85.9 86.2 86.8 86.8 87.0 87.0 86.3GE 12001 27?. 59.3 66.1 73.6 78.7 82.0 82.6 86.6 87.3 88s. 89.0 89.2 89.2 89.7 89.7 91.0
GE 10001 27.7 59.8 65.2 78.1 79.8 83.1 88.0 88.1 89.0 90.3 90.6 9U.8 90.8 91.8 91.8 92.7GE 9001 27.? S9.8 66.8 75.2 80.9 88.8 85.3 89.1 90.6 91.9 92.3 92.5 92.5 93.0 93.0 98.3GE 8001 27.7 60.0 67.0 75.8 81.7 85.1 86.1 90.6 91.6 92.8 83.2 93.8 93.8 93.9 93.9 95.2GE 7001 2?.7 60.2 67.2 75.6 82.0 85.9 87.2 91.1 92.7 93.9 98.3 98.5 98.S 95.0 96.0 96.3GE 6001 27.7 60.6 67.5 76.0 82.e 86.6 88.1 93.0 93.9 95.8 95.8 96.0 96.0 96.5 96.S 97.8
GE 5001 27.7 60.6 67.5 76.0 82.9 87.2 88.6 93.9 95.8 96.9 97.2 97.8 9?. 98.0 98.0 99.3GE 8001 27.7 60.6 67.5 ?6.. 82.9 87.2 88.6 98.1 95.8 97.2 97.6 97.8 97.8 98.3 98.3 99.6GE 3001 27.7 60.6 67.5 76.0 82.9 87.2 88.6 98.5 96.1 97.6 98.0 98.2 98.2 98.7 98.7 100.0
.E 2001 27.7 60.6 67.5 76.0 82.9 87.2 88.6 98.5 96.1 97.6 98.3 98.2 98.2 98.1 98.7 100.0
GE 1001 27.7 60.6 67.5 76.0 82.9 87.2 88.6 98.5 96.1 97.6 98.0 98.2 98.2 98.7 98.7 100.0
GE 01 27.7 60.6 61.5 76.0 82.9 87.2 88.6 98.5 96.1 91.6 98.0 98.2 98.Z 98.7 98.? 300.0
10TAL NUMBER OF OBSERVATIONS: ss
do-
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY Of OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONSAIR WEATH4ER SERVICE/MAC
STATION NUIMBER: 063250 STAT ION NAME: ZIERIKZE- ML PEQIOD OF RECORD: S0-SBMONTH: OCT HOURSILSTI: 0300-OSOO
CEILING VISIBILITY IN STATUTE MILESIN IGE GE GE GPE GE G- GE BE BE GE GE GE GE GE GE GE
FEET to1 6 5 4l 2 312 2 1 112 1 Ill$ 1 3/01 S/8 112 "/16 1/4 a
NO CElL 1 18.1 30.9 33.4 3b.65 39.9 40.5 10.7 ? 3.2 111.5 9.6 145.1 46.2 4S.2 45.2 45.6 97.4
GEj 200001 16.7 33.2 36.1 19.6 43.0r 43.6 43.9 46.6b 48.1 116.6 49.0 49.0 49.0 99.0 49.4 51.2GE 180001 18.7 33.2 36.1 39.6 43.0 43.6 43.9 96.6 #18.2 1 48.6 49* 9 .0 4.0 99.0 99.0 49.40 51.2GE 160001 19.? 33.2 36 .1 39.6 43.0 913. 6 43.9 916.6 148 .1 98.6 49.0 99.0 49.0 919.u 49.9 51.26E 140001 18.7 33.2 36.1 39.6 93.3 43.b 43.9 46.6 48.1 149.6 49.0 49.0 919.0 419.0 919.4 51.2GE 120001 19.7 33.2 36.1 39.6 43.0 43.6 93.9 406.6 468.1 99.6 49.0 49.0 49.() 99.0 99.4 S1.2
bE 100001 19.2 36.1 39.4 93.4 47.0 97.5 47.9 50.6 S2.1 52.6 53.0 53.0 51.0 S3.11 53.4 55.2GE 90001 19.2 36.8 42.2 94.3 47.9 98.5 99.8 51.5 63.0 53.5 63.9 53.9 S3.9 53.9 54.3 56.3GE 80001 19.6 38.5 91.9 46.3 50.2 50.6 52.0 Si.7 65.2 55.7 56.2 56.1 56.1 S6.1 66.91 5b.36E 70001 19.6 38.7 42.3 46b.8 50.6 53.2 51.5 59.3 5s.7 56.3 56.6 56.6 56.6 56.6 57.0 58.86E 60001 19.6 39.2 143.0 47.S561.9 51.9 52.3 55.0 66'.6 57.Z 51.5 57.5 67.5 57.6 57.9 59.7
JE SOUD1 20.1 39.9 9411 48. 52.6 S3. 2 53.S5 :: 6. 67.:9 SS.6 59.0 9 59.2 90 59.0 69. 3 6 3.:2GE 9110 I 20.5 91.9 46. 50. 55.0 555 55.S9 58. 0. 62.2 62.5 63. 61 .5 b 6s 6 62.9 63.7uE 140001 22.7 96.1 51.'. 57.2 61.5 62.9 62.8 65.5 67.3 66.1 69.41 66.9 66.9 68.% 68.6 70.6GE 35U01 24.7 48.4 64.1 60.1 64.4 65.3 65.9 68.6 70.4 72.1 71.5 71.5 1.3 11.6 1.9 73.7GE 30001 Zs.b 51.0 66.94 63.0 67.9 69.0 b9.5 72.91 74 .6 75.5 75.9 75.9 75.9 75.9 76.2 IS.()
L.E 25001 26.s 52.3 66.6 66.3 70.9 71.5 12.1 75.0 77.1 76.0 76.9& 78.4 78.4 78.4 19.8 60.6GE 20001 26.9 54. 61.0 68.2 73.7 79.89 75.3 78.2 60.90 61.3 81.7 81.7 81.7 81.7 82.0 83.8GE 18001 26.9 Sft.S 67.3 69.S 75 76. 77.0 79.9 82.0 62.9 81.3 63.3 83.3 93.3 83.7 IS.$or 1SQOl 27.0 S5.4 63.0 10.6 77.0 78.4 78.9 81.9 &,9.0 99.9 85.3 85.3 85.3 65.3 85.7 87.56.E 12001 27.2 56.9 63.9 71.9 78.91 79.9 80.9 83.3 85.5 86.91 86.8 86.8 66.6 86.8 87.3 88.9
GE 10001 27.2 56.4 64.41 72.6 60.0 83.5 82.4 85.3 87.5 6.4 89.7 88.9 88.9 68.9 89.3 91.1GE 9001 27.2 56.9 64.91 72.8 80.4 92.2 83.1 86.2 88.6 q9.5 99.9 90.0 90.0 90.0 90.4 92.2GE Pool 27.? 56.4 64.6 73.1 82.3 82.9 83.6 86.9 89.3 90.2 90.6 90.7 90.7 90.1 91.2 92.9GE 7001 27.2 56.4 69#.6 73.5 62.? q4.0 89.9 88.0 90.49 1.S 93.8 92.0 92.2 92.2 92.6 9%.946E 6001 27.2 S6.6 66.0 73.9 82.6 89.6 85.5 68.7 91.2 92.2 92.6 92.7 92.9 92.9 93.1 95.1
GF 5001 27.2 56.e 66.-3 75-1 84.0 86.0 87.1 90.71 93.3 914.6 9.3 95.3 95.5 95.5 95.8 97.6GE 91001 27.2 56.8 65.3 75.2 $%.a 96.O087.1 91.1 93.6 9S.3 96.0 96.2 96.96 96.41 96.7 98.6Gr Tool 27.2 56.8 65.3 75.3 89.C. 66.2 87.3 92.3 93.8 95.5 96.Z 96.9 96.6 96.6 97.1 98.9GE 2001 27.2 56.8 65.3 75.1 84.r 86.2 87.3 91.3 93.8 95.6 96.4 96.7 96.9 96.9 97.5 99.3GE 1001 27.2 56.8 66.3 75.1 84$.0 46.2 87.3 91.3 93.8 95.6 96.9 96.7 96.9 96.9 97.5 99.8
uE 01 27.2 S6.8 66.3 75.1 891.0 86.2 67.3 92.3 93.8 95.6 96.9 Q96.7 96.9 96.9 97.5 100.0
TOTAL NUMMER Of OBSERVATIONS: 561
Je
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FRGUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HfOULY OBSERVATIONsAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STAtION NAME: ZIFRIKZE- NL PEPIOD OF PECORO: 1,19-86MONTH: OCT HOURSILSTI: 0600-000
CEILING VISIBILITY IN STATUTE MILESIN GE E GE GE GE 6 GE GE GE 6E GE GE GE GE GE GE
FEET I In 6 5 9 1 2 Ii2 2 1 112 I 1/4 1 3/9 5/A I/2 1/16 I/V 0
NO CEIL I 12.S 2Z.1 ZN.% 26.9 28.5 30.1 30.8 33.1 33.9 35.1 35.7 IS.1 36.6 01.4 3?.? 38.6
iE 200001 19.0 26.9 29.b 33.6 33.6 35.3 35.9 38.6 39.? 90.9 91.7 1.7 42.5 93.3 91.7 44.bGE 18000 I 14.0 26.4 29.S 30.6 33.8 35.4 36.1 38.7 39.9 91.0 I.9 41.8 92.7 43.S 93.6 99 .8,E 160001 19.0 26.4 28.5 30.6 33.& 35.9 36.1 38.1 39.9 91.0 91.8 . . 92.7 93.5 93.8 4.8GE 140001 19.0 26.9 28.5 30.6 33.A 35.9 36.1 38.1 39.9 91.0 lI . 91.8 12.1 %3.5 93.8 49.6GE 12901 39.0 26.5 Z8 . 31.0 39.1 35.7 36.9 39.0 90.2 91.4 97.2 92.2 93.0 43.8 99.2 96.1
GE 100001 15.5 29.5 32.0 34.$ 38.2 90.6 91.2 44.0 9S. 96.3 47.1 47.1 97.9 98.8 99.3 50.1GE 90GO1 16.1 30.6 33.3 35.9 9O.U 42.3 43.0 96.0 91.1 48.3 99.1 49.1 99.9 50.1 51.2 12.2GE 80001 16.6 32.6 35.4 30.9 42.5 95.0 95.8 98.8 99.9 51.1 57.1 2.9 53.2 54.0 69. 55.5bE 10001 16.8 32.8 36.6 38.1 92.0 45.3 96.1 49.1 50.2 51.4 52.4 52.1 53.S 59.9 59.9 55.8GE 6000 I6.8 132.8 35.6 38.1 42.8 b. 3 96.1 99.1 SO.2 51.4 52.9 Sz,1 63.5 5.4 54.9 55.
GE 5000 11.5 39.9 37.7 41.2 45.6 NB.3 99.1 S2.9 53.6 54.1 55 .1 56.0 66.8 51.1 S9.2 59.1GE 9500 18.5 37.1 93.7 9.0 99.3 52.2 53.0 56.5 51.7 S0,8 59.8 60.1 61.0 61.8 62.3 63.3bE 90001 20.8 41.2 411. 98.9 59.0 51.2 58.0 63.6 62.8 691. 65.1 6S.4 66.2 61.1 67.5 68.5GE 35001 22.6 99.0 47.3 51.7 66.9 60.0 60.8 69.9 65.6 67.1 69.n 68.9 69.2 70.0 70.5 71.5GE 3C001 23.9 96. 49.8 69.2 60.0 63.3 69.3 67.9 69.0 70.5 71.5 71.8 ?2.1 73.6 9.31 75.1
GE 2001 29.1 97.6 51.6 66.2 62.1 65.4 66.9 10.3 11.5 73.0 7.0 714.3 16.3 76.1 76.6 71.6GE 20001 24.7 98.6 53.7 58.5 69.6 67.9 68.9 72.8 79.0 15.6 16. 76.8 11.6 18.6 79.1 80.1GE IoOOl 15.0 99.9 55.4 60.6 66.6 70.0 71.0 75.3 16.9 18.1 19.1 19.9 80.2 81.2 81.7 82.7GE 1001 25.S 53.1 57.1 63.3 69.9 13.5 ?.6 78.9 80.1 83.1 82.7 83.0 83.9 89.8 85.3 86.36E 12001 26.7 52.1 59.1 63.6 70.3 7.0 1S.0 79.6 80.7 2.4 83.4 83.1 89.5 86.6 66.0 81.0
GE 10001 5.7 52.2 68.z 63.9 71. 75.0 15.9 80.1 A1.9 83.6 89.6 84.8 86.? 86.7 87.1 86.16E 900 25.7 52.9 58.3 69.1 13.1 75.1 76.9 13.5 82.7 89.3 95.3 a5,? 86.S 87.5 89.0 89.0GE 800 25.7 52.6 68.5 69.6 12.0 75.8 77.3 82.6 89.0 85.1 8.. 87.1 88.0 89.0 89,5 90.9
E 7001 25.7 52.7 58.8 69.9 12. 76.9 71.9 83.9 89.8 896: 81.5 88. 89.0 90.0 904 91.q
6E 600 zS.7 527 58.8 66.9 13.3 11.3 18.1 89.3 86.8 88.0 89.0 89.6 90.6 91.6 92.3 93.1
GE 500 2S.1 52.1 69.0 65.6 11.1 11.8 79.2 86.2 86.8 89.0 9n.1 90.9 91.9 92.9 93.9 99.9GE 9001 2S.1 SZ.9 59.1 66.1 19.0 18.1 79.6 85.8 87.6 89.6 971.9 91.8 92.9 99.4 95.3 96.0G(E 3001 25.7 62.9 59.1 65.1 19.1 78.3 19.7 86.2 88.1 90.3 91.8 92.8 93.9 95.6 96.2 91.6GE 2Q01 z5.? 6Z.9 59.3 65.7 79.1 76.3 79.7 86.2 88. 90.9 91.9 92.9 90.1 96.7 96.9 97.9
(.E 1001 25.7 52.9 69.1 66.? 19.1 78.3 79.7 86.2 68.1 90.4 91.9 93.1 99.2 96.0 96.1 99.7
GE O 25.7 52.9 61.1 657 19.1 78.3 19.7 86.2 88.1 90.9 91.9 93.1 99.2 96.0 96.? 100.0
TOTAL NUMPER Of OBSERVATIONS: 601
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GLI3L LIATLOY R1::CH PIMCENTAGO FR-QULINCY OF OCCURRENCE or CtiLihc vrRSus VISIBILITYUSAFE IT AC FROM HOURLY OBSERVATIONS.AIR IIEATHI: SIR ICO/MC
STATION NUMBER: 063250 STATION NAME: ZIFAIsfLt NI. PEIOU Or RECONO: 1l.19S6bMONWTH: OCT NOURSILST3: 0900-1100
CE ILING VISIBILITY IN STANUIO MILLSIN GE 61 GE ~ GE GE. G- 6. GE GE GE r,3. fi t G O GE G EG
FEET in 30 5 4 1 212 2 1 112 1 1/4 1 '/4 S/8 1/2 c9/36 11% 0
N40 COIL I12.0 37.3 19.3 21.9 2'.7 291.9 25.4 26.5 17.0 20.5 29.0 119.S 29.6 ?9.6 29.6 19.6
I.E 200003 9. 26.9% 29.0 33.: S6f 36.5:1 3:.0 39.? 90.111939 42.9 942.9 93.'1 9. 9:1.1 93.
GE A500 I . 26. : .G 33.5 36.0 36.1? 18.0 39. 01 93. .29 2.9 93.1 93.1 933 93."E 160071 3.0 2'.9. 93 39 3. 36.1 35.0 39. 1 90.1 %3.9 9.9 29 933 3. .3 3.GE 390003 1A.0 26 .9 29.0 3I.9 36.0 36.9 18.2 39.9 90.9 92.1 92.6 91.1 93.3 43. 3 93.3 91.3(,E 120001 15.9 26.9 29.5 39.0 36.5 31.9% 35.1 Il0.% 91.9 42.6 4'.1 91.6 93.5 93.5 91.6 943.5
UE 300003 20.2 30.3 33.9 15.6 43.9 92.9 93.9 99.6 96.6 91.5 99.9 9 9.0 99.2 q9.z %9.Z 99i.2LE 90003 21.2 3.1.3 35.S 91.1 99.3 99S.9 91.0 95.1 99.1 90.6 113.5 SZ.0 921 2.2 52.2 '52.2 9*61 5C103 22.2 15.4 31%.b 99.5 98.n 49.5 93.0 92.1 513.7.1 95.3 93. .6 S6.7 56.1 96.1 96.7GE 10001 22.2 39.9 35. b 948 4. 9.5 5. 99. 930 2.1 93.1 99.2 116.6 917.3 51.2 %7.2 51.2 s1. I61 60001 22.2 3S.1 39.3 4S.3 95.91 SC.0 93.9 S3.2 99.2 S5.? S91 %7.6 S7.? 91.1 9T1 S7.?
UE Sf3001 22.9 31.9 93.91 95.0 93.7 S2.9 99.9 96.2 51.2 59.5 6r1 60.b 60n.5 60.5 b(p.6 60.61.E 9S001 23.6 39.6 913.9 SO.3 93.1 99.91 S6.9 941.9 99.9 61.9 62.5 63.3 63.9 63.9 63.9 63.9GE 90001 24.7 91.5 96.3 S3.4 96.9 S8.9 60.9 62.5 61.6 69.3 66.6 61.3 61.9 61.9 61.9 67.SG.E P 00 1 26.5 99.90 40 9.8 S6.3 99.6 62.0 63.6 65.5 61.2 65.9 10.9 10.9 13.3 13.0 71.0 11.01. r 30001 21.6 96.1 92.1 S4.9 62.6 69.3 61.2 69.9 10.1 12.91 11.9 79.91 79.6 194.6 79.6 19.6
(If 25003 21.9 96.6 S13 59.6 63." 66.3 65.2 10.9 73.9 13.1 7- . 1%. 1S.9 19.9 75.9 7S.96E0 20001 29.3 95.5 93.1 62.3 66.3 69.2 71.4 13.1 15.1 16.9 15.9 19.0 79.1 Y9*3 79.3 79.33.F 35003 29.5 99.1 99.3 69.3 65.9 13.1 13.9 16.9 11.5 19.6 53.3 53.6 63.5 93.5 62.6 53.5tE 39003 10.1 93.5 57.3 66.6 13.9 T9.9 76.6 19.9 50.5 62.1 114.1 59.8 55.0 59.0 &S.0 59..J41O 3zOnl 30.6 S2.1 95.14 66.9 13.91 36.3 15.6 53.6 51.0 @9.a 50.7 57.2 57.9 51.9 57.9 51.9
6E 3Wo01 30.6 92.1 95.91 65.7 33.7 16.6 19.3 52.5 410.2 66.0 65.0 55.6 Be.1 9o.? 65.1 56.16f 9003 30.6 92.9 99.6 65.9 1.9 16.9 19.3 53.0 e9.1 96.2 95P.7 55.1 55.9 59.3 59.1 59.31r 5001 30.6 93.0 99.5 69.0 19.7 11 19.6 53.3 69.7 96.9 59.6 59.3 59.2 99.9 59.9 89.4GF 1001 30.6 9 3.2 $4.1 69.? 15.1 11.9 50.9 @9.5 56.0 65.6 9fl.? 93.2 91.6 91.6 93.5 91.5GE0 6013 30.6 93.2 99.3 69.7 ?%13 1 50.6 69.2 56.1 69.9 91.6 9.3. 92.9 92.b 91.6 9Z.6
GE 9003 30.6 93.2 S9.3 69.7 19.3 76.3 81.0 59.4 56.9 69.7 91.9 92.6 9?.9 93.1 93.3 93.3GE 901O 30.6 93.2 99.3 69.9 I5.9 15.6 53.9 66.2 61.1 90.3 99.3 93.5 99.9 99.6 99.6 99.6LE 3001 30.6 93.2 59.1 69.9 I9.9 75.6 53.5 56.2 571 93.1 91.3 9%.3 ,9. 99.9 9S.6 96.0I.E 2001 30.6 S3.2 99.3 69.9 15.9 16.6 53.5 56.2 571 90.1 91.9 99.3 99.9 96.3 96.6 95.06( loci 30.6 53.Z S9.3 69.9 79.9 75.6 52.9 56.2 41.1 90.1 91.9 99.3 9S.1 91.0 91.9 99.5
GO 01 3n1.6 S3.2 5.9.3 69.9 15.4 15.6 6l.9 66.2 51.1 90.1 91.9 99.3 9S.1 97.o 91.5 300.0
T0T51 NUMPER Of ONSERVAIIONS: %99
*h
GLOBAL5 CLINATOL0S.V BRANCH PCEIA6[ FN-UUENCY OF 0CCURGENCE of CEILING VERTSUS VISIBNILITYUSA , T A C FR0M HOU4LY OBSERVATION$,AIR .IAIIEB Sf8Vl01/96C
STATION NUMBR:R. 0637S1 $TAT I ONAM4E: . 71RIK ZE.: NI PEP100OF RECOPO: 71,9nT-66MONTH4: OCT HOURSILSTI: 1700-1400
CEIL1I06 VISIBILITY IN 61611111 "ILESI N 3 61 bf r 1 51 GE 61 G. ft ,E r5 61 fi t Gr GE IC 1 1 GE
FEET I In3 5. 6 It 2 1?2 2 1 112 1 1/9 1 Y/N 6/0 112 S/216 3/4
NO CEII 1 194.9 24.. L 5. 2601 . I 30.: v 5i. 1 32.94 31. 1 39 .3 44.9 3 .% TN .9 34.N 34.N 34.% 3.9.
GE1 ?10001 36.1 29.1 31.1 394.6 371 38.3 39.1 NI. 6 931.7 4I.9 92.2 92.2 92.2 42.2 92.2 962.21[ 160005 16.7 30.2 31.b 36.1 37.6 59.0 90o.5 92.9 92.6 N?.? 93.0 43.0 495.0 93.0 95.0 43.0GE. 5611001 10.7 30.2 31 .( 35.1 31.6 1.9.0 90.5 42.4 912. S 92.1 "n 3.0 9 3.0 930 3.0 A 3.0 % 3.U6It 10003 19.0 70.65 32.3 1 56.6A 38.1 39.5 93.0 92.9 93.0 93.2 9 1.. 93.6 93.6 93.6 95.6 43.54.1 12000 I Z0. 2 3.9 33.1 37. 3 39.1 91. 3 92.9 too. a 99.9 9S.1 9IS.% 96s.9 1 9.9 95.9 %%.4 95.9
61 500u03 Z1.6 16.S 1 3.~ Z 93.1 96b.3 Np. V 49.6 S 6S.6 S3 . 7 "1.9 5?.A, 52.4 62.91 '2.9 '1 2.4 1 z.9t,[ 9V00 ccI2.94 51.6 97.3 96.1 NT.q 99.6 61.1 5S.3 63.5 S3. S-.1 69. 6.1 S. ,9.1 69.1 54.514.1. 851003 13. 2 39. 1 92 .9 96.1 61.1 55.2 69.1 S7.0 57.3 57.6 7. 9 S?7.9 S7.9 571.9 67.9 51.96E Wo003 21.? 4c.3J 93.6 96l.17 5 .P 53.11 56.4 61.6 67.9 569.3 119. 7 58.7 56.7 58.7 59.7 5b.16.F 60003 25.8 9511 99 4.5 99.9 62.5 6A. 6 S6.? 66.9 568.7 -9.0 59.6 -69 .5 69.6 59.5 .9.6 S 69.5
61 60003 ?29.0 931 964.2 60.8 So. ; 66.3 S7.9 60.2 60.6 60.6 63.9 b6I. 4 61.9 61.96 65 .9 61.45.c 96003 29.6 93.6 97.1 S3.2 66.8 S4.9 60.6 61.71 63.0 63.3 69a. r 69.0 69.0 696.0 69 .0 b4-061E 9r0al 21. 3 9?.5 5j 61. 3 65.5 63.6B 65.9 61.3 66.1 &6.1 69.9 69.9 69.4 69.91 69.9 69.9&1 35001 28. 99. 63. 60.: 69.61: bl: : 69. 11.9 12. 13.0 7 3.1 13.7 13.1 73.1 13.1 7 1
61 000 2-.6 452.5 56.0n 63.1 68. 15. 13.0 76.9 16.34 77 1 7.6 3. 1 7.6 17.6 11 .6 7: 7 7.8
LIE 2603 Jr.6 69S. 0 61.9 66.0 10.6 719.1 76.7 1a. 1 19.2 610.3 65.0 At5.0 81.0 P1.0 85.0 P5.0(,E e0OJ 1 32. 1 %6.31 6J.1 66.6 ?75.7 77. 3 18.9 61.9 62.9 63.6 8N.1 99.1 69. 9.1 -14 .1 8 9p4.1I'.E 5861 31.0 S1.5 65 .9 10.2 IS.., 16.9 80.6 83.6 69.0 96.5 66A.7 P5.7 as.7 A6.7 66.7 85.167 36003 3'. r 56.91 61 .9 15.9 ?17.3 1 Mi 0 82.9 86.~2 o6.7 q7.8 84.% Be.% 66.9 49.9 69R.91 86.95.f157403 35I. 1 S9.9 61 .1 72.9 16.1 6..1 69.9 86.1 66.6 P9.61 9fl 6 90.6 93.6 90.6 9n.6 911.6
LIE 30110 3T* 5 . 9.01 63.9 13.2z 79.9 82.S 69.9 @6.71 69.2 90.6 95.6 951.6A 91.6 91.6 95.6 91.bfi. qua 3 33.1 59g.9 690.1 13.6 76.71 &;.9 66 .2 69.0 49.6 95.5 97.5 92.1 9Z.) 92.1 97.5 9W.161[ 4 O 553.6 59.0 69g.6 79 .3 19.1 69.5 8 6.1 90.6 V1.3 92.S 9' .6 91.8 93.6 93.68 93.6 93.665 1005 31Y.8 60.0 69.9 ft9.6 80.7 691.6 87.3 91.91 92.5 93.4 94.8 99.8 99.9 f 9.61 99.6 994.6(If 60013 31.8 60.3 6S.2 19.9 so0.. 69. 9 81.6 95. 1 92.-5 99.3 9%.2 96.2 96.91 95.9 96.90 96.9
LIE $ u5 1 33.9 60.3 66 .2 790.9 80.0 951.2 67.9 92.9 93.31 96.9 97.0 97.0 91.5 91.5 91.5 97?.5I5.1 *o 013 33.6 60.31 61,.? 79.9 60.8 66.2 67.9 92.S 93.1 96.2 91.9 97.9 96.5 96.3 91. 3 96.361 1005 35.8 60.3 66 .2 79 .9 60.8 96.2 67.9 92.6 93.7 96 . 9A.5 96.9 96.6 99.0 99.0 99.0..1 2001 .55.8 60.3 65.2 19 .9 00.~ 66A.2 67.9 92.6 93.7 96.2 99 .5 96.6 96 . 99.2 99 .9s 99.6G(.I1 5113 5. 60.31 6S.? 19. 9 60.9 66.2 81.9 92.S 93.1 96.? 991.5 96.6 99.2 99.7 99.6 500.0
51 231.6 60.35 6S.2 TO9.9 on5.9 ss.2 S7.9 92.5 93.7 96.2 99.5 96.6 99.2 99.7 99.6 100.0
TOTAL MNPfl85 or O861888T50NS: 1.35
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FR UENCY Of OCCURRENCE Of CEILING VERSUS VISIBILITYUSAFETAC FRON HOUQLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION MUMI)ER: 063250 $TAT ION NAME: 1ERIKZE NL PERIOD OF RECORD: 77,79-86MONIH: OCt HOURSALSII: I500-1700
CEILING VISIBILIPY IN STATUTE MILES ''
IN GE GE GE GE GE G6 GE GE GE GE GE Gt GE FE GL GrFEET i 1 6 5 N 3 2 1/2 2 1 1/2 1 1/9 1 3/1 5/8 112 5/16 IN 0
NO CIL I 17.1 23.9 Z5.2 26.6 29.8 31.0 31.5 32.0 33.3 33.8 34.0 34.2 39.2 34.2 3N.2 3.2
F1 200|01 21.It 31.9 33.b 35.0 38.? 39.6 O.3 41.0 42.0 83.0 43.1 43.3 03.3 03.3 43.3 43.3ut 18000 21.8 31.9 33.6 35.2 38.6 40. 1 00.8 41.9 43.0 43.5 43. 7 3.8 43.8 03.8 03.8 03.8GE ibo0 1 21.s 31.9 33.( 35.2 38.6 00. 1 0.8 41.9 03.0 03.5 43.7 43.8 43.8 03.8 N3.8 03.8
GE 14000 21.8 31.9 33.6 35.2 38.6 00.1 0.a 02.1 03.1 03.7 43.8 44.0 44.0 00.0 44.0 4.0GE IZnnl 22.7 !2.9 38.7 36.4 o.0 41. 5 02.3 N3. S NO.? 05.2 N5.0 45.6 4S.6 06.6 45.b 05.6
GE IU0000 ZT.S 00.8 03.1 5.08 9.0 51.8 52.6 S3.9 55.1 55.8 56.0 56.2 56.2 56.2 56.2 56.2GE 90001 28.3 02.1 40.5 07.0 51.6 S3.5 50.0 55.6 56-9 S7.7 57.9 58.1 S8.1 58.1 59.1 58.1GE 8l001 29.Z 00.9 40.1 51.6 56.1 58.3 59.2 60.% bl.6 62.5 b?.q 63.0 63.0 63.0 63.0 63.0GE 7001 29.4 16.1 00.1 52.1 56.7 59.0 69.9 61.1 62.3 63.2 63.6 63.7 63.7 63.7 63.7 63.7GE 6000 29.8 96.1 %9.3 53.3 57.9 60.2 61.1 62.5 63.7 60.6 6S.0 65.1 65.1 65.1 65.1 b5.1
GE 57001 30.6 08.1 51.2 55.3 59.9 62.1 63.0 61.4 65.7 66.5 66.9 67.1 67.1 67.1 67.1 67.1UE 05001 30.8 08.8 51.9 56.2 60.9 63.2 60.1 65.5 66.9 67.8 60I.1 68.3 68.3 68.3 68.3 68.3UE 40001 33., 53.Z 66.7 6Z.0 66.7 69.0 70.1 71.8 73.2 70.1 70.5 70.6 70.6 70.6 70.6 70.66E aOlIJ 30.3 54.8 59.5 63.9 69.? 11.5 72.5 70.3 75.7 76.6 76.9 77.1 77.1 77.1 77.1 77.1G 3u0I 35.7 56.5 60.0 65.8 71.0 70.1 75.2 77.1 78.s 79.0 79.8 79.9 79.9 79.9 19.9 79.9
Gr 25001 37.3 59.0 63.2 69.0 75.2 77.5 78.7 80.6 82.0 82.9 83.3 83.5 83.5 83.5 83.5 83.5G 20001 38.7 60.9 65.1 71.1 7.5 79.8 81.0 82.9 84.3 85.2 85.6 85.7 85.7 85.7 65.7 15.7GE 18001 00.0 6Z.7 66.9 72.9 79.6 81.9 83.3 85.2 86.6 87.7 88.0 88.2 88.2 88.2 88.2 p8.ZG. 15001 00.1 60.b 68.8 75.2 8z.0 80.5 85.9 87.9 89.3 90.3 90.7 90.8 90.8 91.8 90.8 9U.8(E 1001 010.3 60.6 69.0 76.1 82.. 85.6 87.1 89.8 91.2 92.3 92.6 92.8 92.8 92.8 92.0 92.8
Gr 100fl 00.3 65.U 69.2 76.2 63.1 85.9 87.5 90.1 91.5 92.6 93.0 93.1 93.1 93.1 93.1 93.1I.E 9001 00.3 65.0 69.2 7b.b 83.5 46.6 88.2 90.8 92.3 93.5 94.0 90.2 9q.2 90.2 90.2 90.2.E uo 00.3 6S.1 69.5 77.1 84.2 87.3 89.3 92.1 93.7 94.9 9.0 95.6 95.6 95.6 95.6 95.6(I 7001 "0.3 65.1 69.5 77.1 80.5 88.0 90.0 92.8 90.0 95.8 96.- 96.8 96.8 96.8 96.8 96.98GE boot 00.3 65.1 69.5 71.3 80.7 88.2 90.1 93.1 90.7 96.3 97.0 97.0 97.0 97.- 97.4 97.0
GE 5001 10.3 65.1 60.5 71.3 80.9 88.6 90.5 93.7 9S.2 97.z 97.9 98.6 98.8 98.8 98.8 98.8LE %UO 900.3 65.1 69.5 77.3 80.9 88.6 90.7 93.8 95. 97.7 98.8 99.1 99.3 99.3 99.3 99.3
E 3 001 q0.3 6S.1 69.5 77.3 80.9 88.6 90.7 93.8 95.4 97.7 98.6 99.3 99.5 99.5 99.5 99.5GE .GO 00.3 65.1 69.5 7.3 84.9 88.6 90.7 93.8 95.0 91.1 98.6 99.5 99.6 99.8 99.8 100.0(f 1001 00.3 65.1 69.6 71.3 80.9 88.6 90.7 93.8 9S.4 97.7 981.6 99.5 99.6 99.0 99.8 100.0
UE 01 0.1 65.1 6.j 77.3 80.9 88.6 90.7 93.8 95.0 97.7 90.6 99.5 99.6 99.8 99.8 100.0
..........................................................................................................................
T01AL 011081. Of O8SERVATIONS:- 566
GLOBAL CLIMAIOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CrILIfJG VERSUS VISIBILITYUS AFETAC FROM HOUILY OBSERVATIONS
AIR UEATNER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME. ZIERINZEE NL PEQIOD OF RECOPO: 77,79-86
MONTH: OCT HOURSILSTI: 1800-2000
...............................................................................................................................................CEILING VISIBILITY IN STATUTE MILES
IN I GE GE GE GE GE GE GE GE GE GE GL GE GE GE GE 6EFEET I 10 6 5 4 3 2 112 2 1 1/2 1 1/4 1 3/4 5/8 12 5/1b 1/8 0
NO CEIL I 19.0 27.4 2.4 30.6 34.1 35.7 37.1 38.4 39.2 o.4 '1.2 41.6 41.6 41.6 41.b 2.2
GE 20GO0 22.2 32.4 34.2 37.1 40.9 42.9 44.2 45.6 46.4 47.6 48.4 48.7 48.7 "8.7 48.7 49.4GE 18C001 22.Z 32.4 3'.2 3.1 41.Z 43.2 44.6 45.9 46.7 97.9 48.7 9.1 49.1 49.1 49.1 '9.76E 160031 22.2 32.4 34.2 37.1 41.2 43.2 44.6 '5.9 46.7 47.9 48.7 49.1 %9.1 Q9.1 49.1 49.7
GE 1140001 22.2 32.4 34.2 37.1 '1.2 43.2 '64.6 '65.9 46.T 47.9 41.7 49.1 '69.1 '9.1 49.1 49.7GE 120001 22.2 32.4 34.2 37.4 41-b 43.6 48.9 416.4 47.2 48.4 49.2 49.6 49.6 49.6 49.6 SU.3
GE 100001 25.0 37.2 39.2 43.1 48.2 50.6 51.9 53.4 54.3 55.4 56.3 56.6 56.6 56.6 56.6 57.3GE 90001 26.0 38.7 41.2 65.1 50.4 52.8 54.1 55.6 56.8 57.6 58.4 58.8 58.8 58.8 58.8 59.4
GE 8nO01 26.9 40.9 63.6 47.7 53.4 55.8 57.3 58.8 59.6 60.9 61.8 62.1 62.1 62.k 62.1 62.8
GE 70001 27.0 81.8 '4. '66.2 54.j 56.4 57.9 59.8 60.3 61.6 62.4 62.8 62.8 62.8 62.8 64.4GE 60001 27.8 81.7 44.4 48.6 54.4 56.8 58.3 59.8 60.6 61.9 62.8 63.1 63.3 63.1 63.1 63.8
GE SPo 1 28.2 43.7 46.4 50.9 56.9 59.3 60.8 62.3 63.1 64.4 65.3 65.6 65.6 65.6 65.6 66.3GE '5U0 28.5 44.6 '67.6 52.3 58.3 60.8 62.3 63.8 64.6 65.9 66.8 67.1 6T.1 67.1 67.1 67.8GE 4CO9 29.9 '7.6 50.6 55.4 61.8 64.4 65.9 67.6 68.6 69.9 70.8 71.1 71.1 71.1 71.1 71.8GE 35001 33.1 513 54.4 59.9 66.4 69.3 71:1 72.8 74.0 75.3 76.1 76.5 76.5 76.5 76.5 77.1GE 30001 38.2 53.3 56.4 62.1 68.9 71.8 73.6 75.3 76.s 77.8 78.6 79.0 19.0 79.0 79.0 79.6
GE 25001 35.1 S5.4 S5.8 64.9 72.0 74.8 76.8 78.5 79.6 81.0 83.8 82.1 82.1 82.1 87.1 82.8GE 20001 35.7 56.6 6a.8 67.1 74.3 77.1 79.3 81.0 82.1 F3.5 84.3 84.6 84.6 84.6 84.6 RS.3GE 18La 36.6 57.9 62.1 69.1 76.5 79.5 81.6 83.3 84.6 86.0 86.8 87.1 87.1 R.1 87.1 87.8GE 35001 36.7 59.4 63.6 70.8 78.3 81.3 83.5 85.3 86.6 98.0 88.8 89.1 89.1 89.1 89.1 89.8GE 12001 37.7 60.8 68.8 72.6 80.6 84.0 86.1 88.3 89.8 91.2 92.0 92-3 92.3 92.3 92.3 93.0
GE 3009 37.7 60.q 64.8 72.8 8O.b 8.3 86.5 88.6 90.2 91.5 97.3 92.7 92.7 92.7 9.7 93.3
GE 9001 37.7 60.4 64.8 73.0 81.3 8s.1 87.6 89.8 91.3 *2.8 93.? 94.U 94.0 98.0 94.0 94.7GE 8031 37.7 6C.6 bS.1 14.1 82.5 86.8 89.3 91.5 93.2 98.7 91.5 95.8 95.8 95.8 95.8 96.5GE 7001 37.1 60.8 65.6 7,6 83.3 87.5 90.2 92.5 9.2 95.8 T6.7 97.2 97.2 97.2 97.2 97.8GE 600 31.7 60.9 6 .8 74.8 83.9 88.3 91.0 93.3 95.0 '67 87.5 98,0 98.0 98.0 98.0 98.7
GE SOot 37.7 60.9 65, 74.8 83.8 88.5 93.2 93.5 95.3 97.0 97.8 98.3 98.5 98.S 98.S 99.26E 4001 37.7 60.9 65.8 75.0 84.0 86.8 91.5 93.8 95.7 97.3 98.2 98.7 98.8 98.8 98.8 99.5
GE 00l 37.? 60.9 65.8 75.0 84.3 $8.8 91.5 93.8 95.7 97.3 98.2 98.7 96.8 98.8 98.8 99.5GE 2001 37.7 60.9 65.8 S. 88.1 88.6 91.5 93.8 95.7 97.S 98.3 98.8 99.0 99.0 99.0 100.0GE 1ool 31.? 60.9 65.8 7S.0 849 88.8 91S 93.8 95.7 97.5 90.3 98.8 99.0 99.0 99.0 100.0
GE 01 37.? 60.9 65.8 75.o 84.0 88.0 91.s 93.8 95.? 97.5 98.3 98.8 99.0 99.0 99.0 100.0
TOTAL NUMPER OF OBSERVATIONS: 599
GLOBAL CLIMAIOLOGY BRANCH PERCENTAGr FREQUENCY oF OCCURPENCE OF CEILING VERSUS VISIBILITYUSAET AC FROM HOULY ObSERVATIONS
AIR wEATHER SERVICE/MAC
STATION NUMBER: 063250 STAt ION NAME: ZIERIKZE3 NL PEPIOD OF RECORO: 77,83-86MONTH: OCT HOURSILSTI: 2100-2300
CEILING VISIBILITY IN STATUTE MILES
IN l GE GD GE GE GE G GE GE GE GL GE GE GL GE GE GEFEET I 10 6 5 4 2 112 2 1 112 1 1/4 1 3/4 5/8 1/2 S/16 1/4 0
NO CElL 1 11.6 26.3 33.. 33.4 37.3 38.7 40.1 41.7 42.2 42.4 42.5 42.5 43.2 43.2 43.8 44.3
GE 200001 15.6 31.6 3N.1 37.3 43. 42.7 44.1 45.1 46.2 46.4 46.6 46.6 47.3 47.3 47.8 48.3
GE 180ro 26.6 31.6 34.1 $T.3 41.1 42.7 44.1 45.7 46.2 46.4 46.6 46.6 47.3 47.3 47.8 48.34E 1b0O 15.6 31.6 34.1 37.3 43.2 42.1 ll.1 45.7 46.2 46.4 46.6 46.6 47.3 47.3 47.8 48.3G( 4on 15.6 31.6 34.1 37.3 41.1 42.1 44.3 45.7 46.2 46.4 46.6 46.6 47.3 47.3 47.8 48.3G 12nGoo1 15.6 31.6 34.1 37.3 41.3 42.7 44.I d5.1 46.2 46.6 46.6 46.6 47.3 47.3 47.8 48.3
GE IbGO0 16.9 34.8 37.4 40.8 44.p %6.% 78 49.4 49.9 50.1 S.3 50.3 51.0 51.0 51.5 52.0(.E 9COOI 17.2 35.9 38.5 42. 4b.2 17.8 49.2 50.8 51.3 51.5 51.7 51.7 52.4 52.4 52.9 53.4bE 80001 17.8 37.3 43.1 43.8 48.0 49.6 51.0 52.5 53.1 53.3 53.4 S3.4 54.1 54.1 54.7 55.2GE 70001 37.9 3.4 43.4 44%.1 48.3 49.9 51.3 53.1 53.6 53.8 54.0 S4.0 54.7 54.7 55.2 65.7bE 60001 17.9 37.6 40.b 44.3 44.S S0.1 51.5 53.6 54.1 51.3 54.5 54.5 55.2 55.2 $5.7 56.2
.E 50001 3.1 39.7 42.9 46.7 510 52.7 54.1 56.6 57.1 57.5 57.6 67.6 58.3 58.3 68.9 59.4I. 46001 16.5 409 44.3 46.2 52.4 S4.2 55.5 58.2 s6.7 59.1 59.2 59.2 59.9 59.9 60.5 61.0GE qOO 21.4 147.1 51.1 S5.S 61.2 63.1 64.5 67.1 67.7 68.0 63.2 68.2 68.9 68.9 69.4 69.9GE 35U01 24.3 52.2 56.6 61.5 67.3 69. 4 71.0 73.6 71.2 7%.5 74.7 74.7 75.4 75.4 75.9 76.4GE 30001 25.0 54.$ 59.4 64.5 10. 72.6 74.2 76.8 17.3 77.7 77.9 77.9 78.6 78.6 79.1 79.6
GE 25001 25.1 S6.8 61.7 61.3 713.1 75.4 77.0 79.6 80.1 80.5 80.7 80.7 81.4 81.4 81.9 82.4I.E 2COOJ 25.3 57.5 62.9 68.5 74.5 76.8 78.4 81.2 61.7 82.1 82.2 82.2 83.0 83.0 83.5 84.0GE 31001 25.5 56.5 b4.0 69.6 15.9 78.2 80.0 82.8 83.3 83.7 83.8 83.8 84.5 64.5 85.1 85.6L. 150 1 25.7 59.8 65.6 71.? 78.4 80.8 82.8 85.6 86.1 86.5 86.6 86.6 87.3 87.3 87.9 88.46( 12001 26.4 60.8 67.7 74.3 81.7 83.8 85.8 88.8 89.3 89.6 89.8 89.8 90.5 90.5 91.0 91.6
I.E 10001 26.4 60.6 68.2 75.0 82.4 85.6 87.5 90.5 91.0 91.4 91.6 91.6 92.3 92.3 92.8 93.3.E 9001 26.4 61.0 84.4 75.2 82.q 86.3 86.6 91.6 92.1 92.4 92.6 92.6 93.3 93.3 93.8 94.44E AGO1 26.4 61.2 6 ,7 75.9 84.2 88.0 90.3 93.5 94.0 94.4 94.6 94.6 95.3 95.3 95.8 46.3GE 700 26.4 61.3 64.9 76.3 85.2 89.6 92.1 95.3 95.8 96.1 96.3 96.3 97.0 97.0 97.5 98.1GE 6001 26.4 61.3 64.9 76.8 86.3 9C.9 93.3 96.7 97.2 97.5 97.7 97.7 98.4 98.4 9M.9 99.5
I.E 5001 26.4 61.3 64.9 76.8 86.3 91.0 93.5 96.8 9?.4 97.7 97.9 97.9 98.6 98.6 99.1 99.6G(E 4001 26.4 61.3 68.9 76.8 86.3 91.0 93.S 96.8 97.5 97.9 98.1 98.1 98.8 98.8 99.3 99.8GE 3001 26.4 61.3 64.9 76.8 86.3 91.2 93.7 97.0 97.7 98. 98.2 98.2 98.9 98.9 99.5 100.0I.E 2001 26.41 61.3 69.9 76.8 66.3 91.2 93.7 97.0 97.7 98.1 99.2 98.2 98.9 98.9 99.5 100.0GE OO 26.4 61.3 68.9 76.8 86.3 91.2 93.1 97.0 97.7 98.1 9P.2 98.2 98.9 98.9 99.5 100.0
GE O 26.4 61.3 64.9 76.8 86.3 91.2 93.7 97.0 97.7 98., 9A.2 98.2 98.9 98.9 99.5 100.0
..........................................................................................................................
TOTAL PUMPER Of OBSERVATIONS- 569
dbK
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREOUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR wEATHER SERVICE/MAC
STATION NUMBER: 063750 STATION NAME: ZIERIKZE NL PU'IOO Or RECORD: 77,79-86MONTH: OCT HOURSILSTI: ALL
CEILING VISIBILITY IN STATUTE MILESIN I GE GE GE GE GE GE GE GE GE GE GC GE GE GE GE GE
FEET I I0 6 5 N 1 2 112 2 1 112 1 1/4 1 3/4 5/8 1/2 5/16 1/4 0
NO CLIL I 1S.q 25.4 27.1 29.7 32.5 33.8 34.6 36.5 37.2 37.9 38.2 38.4 38.6 38.8 38.9 39.5
- GE 200001 18.1 30.3 32.5 35.6 38.7 N0.1 N1.1 43.1 N3.9 4.6 45.1 45.Z 45.4 45.6 4S.? 4b.4GE lacuol 18.1 30.3 32.6 35.7 38.9 40.3 41.3 o3.3 44.2 44.9 45.3 45.4 4S.7 45.8 46.0 46.6.E 160001 18.1 30.3 32.6 35.7 38.9 4G.3 41.3 43.3 44.2 44.9 4r.3 45.4 45.7 45.8 46.0 46.6GE 140001 18.2 30.4 32.6 35.7 39.0 N0.4 411.4 43. N 44.3 45.0 45.4 45.6 45.8 45.9 46.1 46.7GE 120001 18.5 30.9 33.2 36.4 39.6 41.1 42.1 NN.I 45.0 45.7 N6.1 46.3 46.5 46.6 46.8 N7.q
GE 1O009 20.N 35.0 37.7 41.N 45.1 46.8 47.8 49.9 50.8 51.5 52.0 52.1 52.3 52.5 52.6 53.3
,GE 90001 21.0 36.3 39.1 43.1 46.8 48.6 49.6 51.8 52-6 53.4 53.8 54.0 54.2 54.4 54.5 55.2GE 80001 21.7 38.3 41.4 45.8 49.7 51.6 52.7 54.9 55.7 56.5 57.1 57.3 57.5 57.6 57.8 58.5
GE 7ool 21.9 38.6 41.4 46.2 50.2 52.1 53.1 55.3 56.2 57.0 57.6 57.8 58.( 58.2 S.4 59.0
GE b0001 22.0 39.0 422 4 6.7 50.7 52.5 53.6 55.9 56.7 57.6 5A.2 58.4 58.6 t.8 58.9 59.6
GE SCU01 22.6 40.6 44.0 48.7 52.9 54.8 55.9 58.2 59.1 60.1 60.7 60.9 61.1 61.3 61.4 62.1GE 4'001 23.2 42.3 45.9 50.8 55.0 57.0 58.1 60.5 61.5 62-4 63.0 63.2 63.4 63.6 63.8 64.4GE 40001 25.4 46.2 53.1 55.6 60.2 62.4 63.5 66.1 67.1 68.1 6P.7 68.9 69.1 69.3 69.5 70.1GE 35001 27.3 49.2 53.4 59.1 63.9 66.3 67.5 70.1 71.1 72.1 72.8 73.0 73.2 73.4 73.5 74.2GE 30001 28.4 51.4 55.8 61.9 67.0 69.6 70.8 73.5 74.6 75.6 76.3 76.5 76.7 76.9 77.1 77.7
GE ZSUO 29.2 53.2 57.9 64.3 69.6 72.2 73.5 76.2 77.3 79.4 79.1 79.3 79.5 79.7 79.9 80.5GE 20009 30.1 54.8 59.9 66.5 72.1 74.7 16.1 76.9 80.0 81.1 81.8 81.9 8z.2 82.4 82.5 83.2
GE 18009 30.5 56.0 61.2 68.2 74.0 76.7 78.1 81.0 82.1 83.3 84.0 84.2 84.4 84.6 84.8 85.4GE 15009 30.8 57.3 62.9 70.2 76.3 79.1 80.6 83.6 84.8 86.0 86.6 b6.8 87.0 87.2 87.4 88.1GE 12009 31.2 58.1 63.8 71.6 77.9 80.9 82.5 85.1 86.9 88.1 88.8 89.0 89.3 89.4 89.6 90.3
UE 1CO01 31.2 58.2 64.1 72.0 78.6 81.7 83.4 86.8 88.0 99.3 90.0 90.2 90.5 90.6 90.8 91.5GE 9001 31.2 58.4 64.2 72.3 79.r 82.41 84.2 87.7 88.9 90.2 91.0 91.2 91.4 91.6 91.8 92.4
GE 8001 31.2 58.5 64.5 72.9 79.9 83.3 85.2 88.9 90.2 91.5 92.3 92.5 92.7 92.9 93.1 93.7UE loot 31.2 58.7 64.1 73.2 80.5 84.2 86.2 89.9 91.2 92.7 93.5 93.8 94.1 94.3 94.5 95.1
GE 6009 31.2 58.8 64.9 73.5 81.0 84.8 86.8 90.7 92.1 93.7 94.5 94.8 95.1 95.3 95.5 96.1
GE 5001 31.2 58.8 65.0 73.7 1.T 85.2 87.3 91.4 92.9 94.6 T5.6 96.0 96.3 96.5 96.7 97.3GE %on0 32 58-8 65.0 73.8 684 85. 4 87.5 93.7 93.3 95.2 96.2 96.6 97.0 97.3 97.5 98.2GE 3001 31.2 58.8 65.0 73.8 81.4 85.4 67.5 91.9 93.5 95.4 96.5 97.0 97.4 97.8 98.1 98.8GE 2001 31.2 58.8 65.9 73.8 81.4 85.4 87.5 91.9 93.5 95.4 96.6 97.1 97.5 98.0 98.3 99.3GE 1009 31.2 58.8 65.3 73.8 81.4 85.4 87.5 91.9 93.5 95.4 96.6 97.1 97.6 98.3 98.6 99.9
GE 09 31.2 58.8 65.0 73.8 81.4 8S.4 87.5 91.9 93.5 95.4 96.6 97.1 97.6 98.3 98.6 100.0
TOTAL NUMBER OF ORSERVATIONS: %6b3
io.
GL08AL CLIMATOLOGY BRANCH PERCENTAGE FRCGUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOU9LY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PEPIOD OF RECORO: 80-86MONTH: NOV HOURSILSTI: 0000-0200
CEILING VISIILITY IN STATUTE MILESIN GE GE SE GE GE G. GE GE GE GE GE GE GE GE GE GE
FEET I 1o 6 5 3 2 112 2 1 112 1 1/9 1 3/4 5/8 112 5/16 1/4 0
NO CElL 1 15.4 25.6 28.2 31.0 33.1 34.9 36.1 37.9 38.5 3S.7 38.9 39.1 39.1 39.1 39.4 39.4
vE 200001 16.2 29.2 31.8 34.7 36.9 39.1 40.4 42.4 43.0 43.2 43.4 43.6 43.6 43.6 43.8 43.8GE 18000 i 16.2 29.2 31.8 34.7 36.9 39.1 40.4 42.4 43.0 43.2 41.4 43.6 43.6 43.b 43.8 43.bGE 1ooI 16.2 29.2 31.A 34.7 36.9 39.1 40.4 42.4 43.0 43.2 43.4 43.6 43.6 43.6 43.8 43.8
GE 14000 16.2 29.2 31.8 34.7 36.9 39.1 40.4 42.4 43.0 43.2 43.4 43.6 43.6 43.6 43.8 43.8
T.E 120001 16.2 29.2 32.0 34.9 37.1 39.4 40.6 4Z.6 43.2 93.4 43.6 43.8 43.8 43.8 44.0 44.0
GE 100001 16.8 1.6 34.5 37.3 39.8 q2.0 a 3.2 45.2 45.8 46.1) 46.2 4b.S 46.5 46.5 46.7 46.7GE 90001 16.8 32.3 3S.1 38.3 41.b 43.8 45.0 t7.1 47.7 47.9 4P.1 48.3 48.3 48.3 48.5 48.7GF Bout1 17.4 34.3 37.1 40.4 43.8 46.0 47.3 49.3 49.9 50.1 5D.3 50.5 50.5 5O.S 50.7 50.9GE 70001 17.4 34.3 37.1 40.4 43.8 46.0 47.3 49.3 49.9 50.1 S0.3 50.5 50.5 50o.5 50.7 50.9GE 60001 17.4 35.1 37.9 41.8 45.2 47.5 48.7 50.7 51.3 51.5 51.7 51.9 51.9 51.9 52.1 52.3
6E 5000 1 17.8 37.5 41 .2 45.2 48.7 50.9 52.1 54.2 54.8 55.0 55.2 5S.4 55.4 55.4 55.6 55.8QE 45001 18.1 38.1 47.Z 46.5 49.9 52.3 53.5 55.6 56.2 56.4 56.6 56.8 56.8 56.8 57.0 57.2GF 4ool 20.1 42.b 46.9 51.5 55.6 58.2 59.4 61.7 62.5 62.7 62.9 63.1 63.1 63.1 63.3 63.5
:E 3500w 22.5 46.9 53.9 56.b 60.9 63.9 65.1 67.3 68.2 68.4 68.6 68.8 68.8 68.8 69.0 69.2
IL 3r. an 2I.9 S.7 57.2 62.5 67.1 70.2 71.4 73.6 74.4 74.6 74.8 7S.1 75.1 75.1 75.3 75.5
GE 2S01 25.2 53.5 59.6 65.7 70.4 73.4 74.6 77.3 78.1 78.3 78.5 78.7 78.7 78.7 78.9 79.14E 20001 26.0 55.2 b1 .5 68.2 73.2 76.5 77.9 80.5 81.3 91.5 81.7 81.9 81.9 81.9 82.2 82.4GE 18001 26.0 55.8 67.7 69.6 74.8 78.1 79.5 82.2 83.0 83.2 83.4 83.6 83.6 83.6 83.8 84.0GE 15001 26.4 57.6 b4.7 71.8 77.1 80.7 82.2 84.8 85.6 85.8 86.0 86.2 86.2 86.2 86.4 86.6tE 12001 26.8 59.2 66.3 73.6 78.9 82.6 84.0 86.8 87.6 88.0 88.2 48.4 88.4 88.4 88.6 88.8
uE 10001 26.A 59.4 66.5 73.8 79.1 83.0 84.4 87.4 88.2 88.8 89.2 89.5 89.5 49.5 69.7 89.9
GE 9001 26.8 S9.4 6b.7 74.0 79.5 93.4 84.8 87.8 88.6 89.2 89.9 90.1 93.1 90.1 90.3 90.SGE 8001 26.8 S9.4 66.7 74.0 79.7 83.6 85.0 88.4 89.2 89.9 9ns 90.7 90.7 90.7 90.9 91.1GE 7001 26.8 59.6 67.3 74.6 80.5 84.4 86.0 90.3 91.3 92.3 97.9 93.1 93.1 93.1 93.3 93.5
GE 6001 26.8 59.6 67.3 74.6 81.1 95.0 87.0 91.7 92.9 94. 3 945.9 95.1 95.1 95.1 95.3 95.5
GE 5301 26.9 59.6 67.3 74.8 81.3 85.2 87.4 92.7 93.9 95.3 95.9 96.1 96.1 96.1 96.3 96.6GE 4001 26.8 59.6 67.3 74.8 81.3 85.2 87.4 92.7 93.9 95.7 96.3 96.6 96.6 96.8 97.0 97.2
GE 301) 26.P 59,6 67.3 74.8 aI. 1 85.2 87.4 92.7 93.9 95.9 96.8 97.0 97.2 97.4 97.6 97.8GE 2001 26.8 59.6 67.3 74.9 81.S 85.2 87.4 92.7 93.9 96.1 97.0 97.2 97.4 97.6 97.8 98.4GE 1001 26.8 59.6 67.3 74.8 81.3 85.2 87.4 92.7 93.9 96.1 97.0 97.2 97.4 98.0 98.2 99.2
GE 01 26.8 59.6 67.3 74.8 81.9 85.2 87.4 92.7 93.9 46.1 97.9 97.2 97.4 98.0 98.2 100.0
TOTAL NUMBER OF OFSERVATIE0IS: 493
.ul
9 GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FR:QUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFLIAC 4FROM HOURLY OBSERVATIONSAIR 4EATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 90-84,86MONTH: NOV HOURSILSTI: 0330-0503
...........................................................................................................................
CEILING VISIBILITY IN STATUTE MILESIN I GE GE GE GE GE G- GE GE GE GE E GF GE GE GE fE
FEET I 10 6 5 4 3 2 112 2 1 1/2 1 1/4 1 3/4 58 112 1/16 1/4 0
NO CEIL I 14.1 27.7 31.6 34.7 36.5 37.8 38.2 39.8 40.2 40.7 40.7 40.7 40.7 40.7 40.7 41.3
GE 200001 14.5 30.3 34.3 37.6 39.3 40. 9 41.3 43.1 43.7 44.i 44.2 44.2 44.2 44.2 44.2 44.8GE IB00I 14.5 30.3 34.3 37.6 39.3 40.9 41.3 43.1 43.7 44.2 44.2 44.2 44.2 44.2 44.2 44.8GE 16C2001 14.5 30.3 !4.3 37.6 39.3 40.9 41.3 43.1 43.7 44.2 44.2 44.2 44.2 44.2 44.2 44.8GE 140001 14.5 30.3 34.3 37.6 39.3 40.9 41.3 43.1 43.7 44.2 44.2 44.2 44.2 44.2 44.2 44.8GE 120091 14.5 30.3 34.3 37.6 39.3 40.9 41.3 43.1 43.7 44.2 44.2 44.2 44.2 44.2 44.2 44.8
GE 100001 15.6 32.3 35.3 39.8 41.8 43.5 44.0 45.7 46.4 46.6 46.4 46.8 46.8 46.8 46.8 47.5GE 90001 15.6 32.3 36.5 40.4 42.6 44.4 44.8 46.6 47.3 47.7 47.7 47.7 47.7 47.7 47.7 48.4GI 87001 I.6 32.7 36.9 41.1 43.3 451 45.5 47.5 48.1 48.6 44.6 48.6 48.6 48.6 48.6 49.2br 7000 15.8 33.0 37.1 41.3 43.5 45.3 45.7 477 48.4 44.8 4P.P 48.8 48.8 48.8 44.8 495GE 60001 15.8 33.6 38.C 42.9 45.1 46.8 47.3 49.2 49.9 50.3 50.7 50.3 50.3 50.3 4n.3 51.0
GE 50001 16.S 35.8 43.2 45.3 47.5 49.2 49.9 51.9 52.5 53.0 53.0 53.0 53.0 53.0 53.0 53.bGE 45001 16.9 37.1 42.0 47.5 49,7 51.4 52.1 54.1 54.7 55.2 55.2 55.2 55.2 55.2 55.2 55.8IE 40001 19.8 42.4 47.7 53.4 55.6 57.4 58.0 60.0 60.7 61.1 61.1 61.1 61.1 61.1 61.1 61.8OE 35001 21.l 45.3 53.5 56.7 58.9 60.7 61.3 63.3 64.0 64.4 64.4 64.4 64.4 64.4 64.4 65.1GE 3COO1 24.2 49.7 56.3 62.4 64.8 66.6 67.3 69.2 69.9 70.3 7C.3 70.3 70.3 70.3 70.3 71.0
GE 25U01 24.4 57.7 62.2 67.3 69.7 71.4 72.1 74. 1 74.7 75.2 75.2 75.2 75.2 75.2 75.2 7s.8GE 20001 24.8 54.5 62.2 69.9 72.7 74.5 75.2 77. 1 77.8 78.2 7P.? 78.2 78.2 78.2 78.2 78.9
GE 18001 25.1 54.7 62.4 70.3 73.4 75.2 75.8 77.8 78.5 78.9 7A.9 78.9 78.9 78.9 78.9 79.6bE 15001 25.5 55.8 63.5 71.6 74.9 76.9 77.6 79.6 80.2 80.7 89.7 80.7 80.7 80.7 80.7 81.3GE 1271 Ic5.9 57.1 6E.5 75.2 78.5 80.4 81.1 83.1 83.7 84.2 84.2 84.2 84.7 84.2 84.2 84.8
GE 1(200 25.9 57.1 65.7 75.8 79.1 81.1 81.8 83.7 84.4 84.8 8Q.8 84.8 84.8 84.8 84.8 85.5uE 9001 25.9 57.1 65.9 76.0 79.8 81.8 82.4 84.4 85.1 85.4 8€,5 84.5 85. 85 . 85.7 86.4GE P0 25.4 47.1 66.6 77.4 81.) 83.3 84.2 86.4 87.0 87.5 87.5 87.5 87.5 R7.7 87.7 88.4(E 70 25.9 57.1 66.6 77.8 81.4 84.0 85.1 87.7 88.4 89.0 89.0 89.0 89.0 89.2 89.2 89.9GE 600 25.9 57.1 66.6 78.0 82.6 85.9 87.5 90.1 90.8 91.6 91.6 91.6 91.6 91.9 91.9 92.5
;E 5001 25.9 57.1 65.6 78.0 83. 1 86. 4 8R.8 91.4 92.7 94.3 94.5 94.5 94.5 94.7 94.7 95.4GE 40) 25.9 57.1 66.6 78.
0 83.1 86.4 89.2 91.9 93.6 95.2 95.4 95.4 95.4 95.6 95.6 96.3
UE 3001 25.9 57.1 66.6 78.0 83.1 86.4 89.2 91.9 93.6 95.2 95.4 95.4 95.6 95.8 95.8 96.5bE 2001 25.9 57.1 b5.6 78.U 83.1 86.4 89.2 91.9 93.6 95.4 94.6 95.8 ?6.0 96.5 96.5 97.4GE 1001 2-.9 57.1 6b.b 78.0 83.1 46.4 89.2 91.9 93.6 05.4 95.6 95.8 96.0 96.5 96.7 98.9
GE 01 25.9 57.1 65.6 78.0 83. 1 86.4 89.2 91.9 93.6 95.4 9'.6 9S.8 96.0 96.5 96.7 100.0
TOTAL NUMBER OF OBSERVATIONS: 455
J
. GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FRrQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITY
USAFrIAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEE NL PERIOD OF RECORD: 77.79-86MONTH: NOV NOURS(LSTI: 0600-0800
CEILING VISIBILITY IN STATUTE MILESIN GE GE GE GE GE Gr GE GE GE GE GE GE GE GE GE GE
FEET 10 6 5 4 3 2 112 2 1 1/2 I 1/4 1 3/4 5/8 112 5/lb 1/4 0... .. ... . . . . . . .. . . . . . . . .. . . . . . . .. . . . . .....°..° .... .................. °..°... ..... . . . °.. . ..
NO CEIL 1 14.4 20.2 22.6 26.3 28.5 29.1 29.6 30.9 30.9 31.5 31.9 32.0 32.2 32.2 32.2 33.1
GE 200001 15.6 22.4 25.4 30.0 32.6 33.1 33.7 35.4 35.4 35.9 36.5 36.7 36.9 36.9 36.9 !7.GE 18rD0 15.6 22.4 2,5. 33.0 32.6 33.1 33.7 35.4 35.4 35.9 36.5 36.7 36.9 36.9 36.9
37.8
GE 160001 15.6 22.4 25.4 30.0 32.6 33. 1 33.7 35.4 35.4 35.9 36.5 36.7 36.9 36.9 36.9 37.8GE 140001 15.6 22.6 25.6 30.2 32.8 33.3 33.9 35.6 35.6 36.1 56.7 36.9 37.( 37.0 37.0 38.0GE 120001 15.9 23.3 26.3 30.9 33.5 34.1 34.6 36.3 36.3 36.9 37.4 37.6 37.8 37.8 37.8 38.7
GE 100001 17.0 26.3 29.8 34.b 3.7.2 38.0 38.7 40.4 40.6 41.3 41.9 42.0 42.2 42.2 42.2 43.3GE 900 17.2 27.0 33.7 35 6 38 38A9 39.6 41.3 4i.5 42.2 42.8 43.0 43 1 4 3. 4 44 3
GE 80001 18.0 28.5 32.4 37.4 40.2 40.9 41.7 43.3 43.5 44.3 44.8 45.0 45.2 45.2 45.2 46.3bE 7(3001 18.1 28.9 32.8 37.8 40.6 41.3 42.0 43:1 43.9 44.6 45.2 45.4 45.6 45.6 45.6 46.7GE 6000 18.1 28.9 32.8 38.
0 40.9 41.7 42.4 44.1 44 3 45.0 45.6 45.7 45.9 45.9 45.9 47.0
GE SCOOt 19.1 31.3 35.4 40.7 43.9 44.8 45.6 47.4 47.6 48.3 48.9 49.1 49.3 49.3 49.3 50.4GE 45001 20.2 33.3 37.4 43.1 46.3 47.4 48.1 50.0 50.2 50.9 51.5 51.7 51.9 51.9 51.9 53.0GE 40001 23.1 38.7 43.1 49.3 52.4 53.7 54.4 56.7 56.9 57.6 58.1 58.5 SB.7 58.7 58.7 59.8GE 35001 25.0 42.8 47.2 53.3 57.0 58.3 59.1 61.3 61.5 62.2 62.8 63.1 63.3 63.3 63.3 64.4GE 30001 25.7 45.4 49.8 56.3 60.2 61.7 62.6 64.8 65.0 65.7 66.3 66.7 66.9 66.9 66.9 68.0
GE 25U01 27.0 48.9 53.9 60.7 64.8 66.3 67.2 69.6 69.8 70.6 71.1 71.5 71.7 71.7 71.7 72.8GE 20001 28.0 50.2 55.4 62.6 66.9 68.3 69.3 72.0 72.2 73.0 73.7 74.1 74.3 74.3 74.3 75.4UE 18001 29.6 S2.4 58.0 65.4 b9.b 71.1 72.0 75.0 75.2 75.9 76.7 77.0 77.2 77.2 77.2 78.3GE 15001 30.2 54.4 63.4 68.3 72.6 74.1 75.0 78.0 78.1 78.9 79.6 80.0 80.2 80.2 b0.2 81.3
GE 12001 30.4 55.9 62.0 70.7 75.2 77.0 78.1 81.1 81.5 82.4 83.1 83.5 83.7 83.7 83.7 84.8
GE 10001 30.4 56.1 62.2 71.7 76.1 78.0 79.1 82.4 82.8 83.7 84.4 85.0 85.2 85.2 85.2 86.3GE 9001 3r.4 56.3 62.4 72.2 76.9 78.7 80.0 83.7 84.3 R5.4 86.1 86.7 86.9 86.9 86.9 S8.0GE 8001 30.4 56.3 62.8 73.5 78.7 80.7 82.2 85.9 86.7 88.0 8;.9 89.4 89.6 89.6 89.6 90.7bE 7001 30.4 56.3 62.8 73.9 79.b 81.9 83.3 87.8 88.5 FT.8 90.9 91.S 91.7 91.7 91.7 92.8GE 6001 30.4 56.3 63.3 74.1 80.? 82.4 83.9 68.3 89.1 90.b 91.9 92.4 92.6 92.b 92.6 93.7
GE SO0 30.4 56.3 63.0 74.6 80.7 83.3 84.6 89.1 90.2 92.0 93.3 94.3 94.6 94.8 94.8 95.9
GE 4001 30.4 S6.3 63.0 74.b 80.7 83.1 84.6 89.1 90.4 92.6 93.9 94.8 95.6 95.7 95.7 96.9GE 3001 30.4 56.3 63.0 74.6 80.7 83.1 84.8 89.3 90.7 93.1 94.6 95.7 96.5 96.7 96.7 97.8GE 2001 30.4 56.3 63.0 74.b 80.7 83.1 84.8 89.3 90.7 93.1 94.6 95.7 96.5 96.9 96.9 98.36E 1001 30.4 56.3 63.0 74.6 80.7 83.1 84.8 89.3 90.7 93.1 94.6 95.7 96.5 96.9 96.9 99.8
bE 01 30.4 56.3 63.0 74.6 80.7 43.1 84.8 89.3 90.7 93.1 94.6 95.7 9g.5 96.9 96.9 100.0
TOTAL NUMREq OF OBSERVATIONS: 540
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURPENC.E OF CEILING VERSUS VISIBILITY
uSAFETAC FROM HOURLY OISFRVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEE NL PEPOO OF RECORO: 77,79-84.86MONTH: NOW HOURSILST): 0900-1100
CEILING VISIBILITY IN STATUTE MILES
IN I GE GE GE GE GE GE GE GE GE GE rL GE GE GE GE GEFEET I 10 6 5 t 4 2 112 2 1 12 1 1/4 1 3/4 S/8 1/2 5/16 1/4 0
NO CEIL I 13.1 17.8 17.8 19.5 21.4 21.8 22.0 23.9 24.3 24.9 25.1 25.1 25-1 25.1 25.1 25.3
GE 200001 16.8 23.2 23.7 26.6 29.5 30.3 30.5 32.6 33.2 34.0 34.2 34.2 34.2 34.2 34.2 34.4GE 18000i 16.8 23.4 23.9 26.8 29.7 30.5 30.7 32.8 33.4 34.2 34.4 34.4 34.4 34.4 34.4 34.6
GE 160001 16.8 23.4 23.9 26.8 29.7 30.5 30.7 32.8 33.4 34-2 34.4 34.4 34.4 34.4 34.4 34.6
GE 140001 16.8 23.4 23.9 26.8 29.7 30.5 30.7 32.8 33.4 34.4 30.6 34.6 34.6 34.6 34.6 34.9GE 12n001 16.9 ,3.9 24.5 27.4 30.7 31.7 32.0 34.
0 34.6 35.7 3',.9 35.9 35.9 35.9 35.9 36.1
GE 100001 19.7 28.8 29.7 33.0 37.1 38.2 38.4 40.5 41.1 12.3 42.5 42.5 42.5 42.5 4Z.5 42.7GE 90901 21.2 31.1 32.2 35.1 39.% 40.9 41.1 43.6 49.2 45.6 4 .9 45.9 45.9 45.9 45.9 46.1UE 8C01 21.4 32.4 33.6 37.1 41.3 42.3 42.5 45.2 46.1 47.5 47.7 47.7 47.7 47.7 47.7 47.9GE 70001 21.6 33.8 35.I 38.6 42.7 43.8 944. 46.7 47.5 49.0 40.2 99.2 49.2 49.2 44.2 49.4GE 60001 21.6 34.0 35.5 39.2 43.4 44.4 44.6 47.5 48.3 49.8 5P.0 S0.0 50.0 50.0 50.0 50.2
GE 50001 23.4 36.1 37.6 41.5 45.6 46.9 97.1 50.0 50.8 52.3 57.5 52.5 52.5 S2.5 52.5 S2.7GE 45001 24.1 37.6 39.0 43.2 47.5 48.8 49.0 52.5 53.5 55.0 55.2 55.2 55.2 55.2 5S.2 55.4GE 40001 26.8 41.7 43.6 47.7 52.1 53.7 53.9 57.5 58.5 60.2 60.4 60.4 60.4 60.4 60.4 60.8GE 35001 28.2 45.0 47.1 51.7 56.4 58.1 58.5 62.0 63.1 64.7 64.9 64.9 64.9 64.9 64.9 65.4
GE 3V01 29.7 48.3 53.4 55.8 60.6 62.2 62.9 66.6 67.6 69.3 69.5 69.5 69.5 69.5 69.5 69.9
G 25001 31.3 51.9 54.4 60.4 65.1 66.8 67.4 71.2 72.2 74.1 74.3 74.3 74.3 74.3 74.3 74.7GE 20001 32.6 53.9 56.8 63.1 67.9 69.5 70.1 73.9 74.9 77.O 77.2 71.2 77.2 77.2 77.2 77.6GE 18001 33.8 S5.8 59.7 64.9 69.7 71.4 72.2 75.9 17.0 79.0 79.3 79.3 79.3 79.3 79.3 79.7GE 15001 34.2 56.6 59.5 6$.0 71.0 72.6 73.4 77.2 78.4 80.7 8C.9 80.9 80.9 80.9 80.9 81.3GE 1201 35.5 58.7 62.2 69.1 74.1 75.7 76.6 80.3 a1.S 93.8 84.0 84.0 84.0 84.0 84.0 A4.4
GE 10001 35.5 59.1 62.7 69.7 74.9 76.8 77.6 81.3 82.6 85.1 85.3 85.5 85.5 95.5 85.5 85.9GE 9001 35.5 59.1 62.9 70.1 75.3 77.4 78.2 82.0 83.4 86.1 86.7 86.9 86.9 86.9 8F.9 87.3GE 8001 35.7 59.5 63.5 71.0 76.1 78.4 79.3 83.0 84.6 87.8 88.4 88.6 88.6 88.6 88.6 89.0
GE 7001 35.7 59.8 64.1 71.8 77.6 79.9 80.7 84.4 86.3 90.0 gr.7 93.1 93.1 91.1 93.1 91.5GE 6001 35.7 59.8 64.1 71.8 77.8 80.1 83.1 85.1 87.1 91.1 91.9 92,5 92.9 92.9 92.9 93.4
GE 500i 35.7 60.0 64.3 72.0 78.0 80.3 81.5 85.5 87.6 91.7 97.7 93.6 94.2 94.4 94.4 94.8GE 4U01 35.7 60.0 64.3 72.0 78.6 80.9 82.2 86.3 88.4 92.7 93.q 94.8 95.9 96.1 96.1 96.5GE 3001 35.7 60.0 64.3 72.0 78.6 80.9 82.2 86.3 88.4 92.9 94.6 95.6 96.9 97.5 97.5 98.1GE 2001 35.7 60.0 64.3 72.0 78.6 80.9 82.2 86.3 88.4 92.9 94.6 95.6 96.9 97.! 97.5 98.3GE 1001 35.7 60.0 69.3 72.0 78.6 80.9 82.2 86.3 88.4 92.9 94.8 95.9 97.1 97.7 97.7 99.4
GE of 35.7 60.0 64.3 72.0 78.6 80.9 82.2 86.3 88.4 92.9 94.8 95.9 97.1 97.7 97.7 100.0
TOTAL NUMBER OF OBSERVATIONS: 482
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FR-QUENCY OF OCCURPENCE OF CFILING VERSUS VISIBILITYUSAFEI AC FROM HOUQLy OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- ML PERIOD OF RECORD: 77.79-86MoNTH: NOV HOURSILSTI: 1200-1400
CEILING VISIBILITY IN STATUTE MILESIN I GE GE 5E GE GE Gr GE GE GE GE IL GE GE GE GE GE
FEET I 10 b 5 3 2 112 2 1 112 1 1/4 1 3/8 5/8 112 S/16 1/4 0
NO CElL 1 14.3 19.9 23.8 22.8 24.7 25. 0 25.6 27.3 28.0 28.0 28.0 2.0 28.0 28.0 2A.0 26 .u
GE 200001 18.5 25.9 2N.3 30.9 3 37.6 17.6 37.6 37.6 37.6 37.6 37.6 :7,6GE 16100 1 .7 26.3 2q.9 31.2 32.6 38.6 35.3 37.2 37.9 37.9 37. 37.9 37.9 37.9 37.9 77.6GE 160001 18.7 26.3 28.9 31,2 32.6 39.6 35.3 37.2 37.9 37.9 37.9 37.9 37.9 37.9 37.9 37.9GE 140001 18.7 26.5 29.6 31.4 32.8 38.7 35.9 37.8 38.1 38.1 38.1 38.1 38.1 38.1 38.1 36.1GE 120001 19.8 28.0 33.5 33.3 34.7 36.7 37.6 39.5 90.2 %a.2 40.? 80.2 80.2 80.2 40.2 40.2
GE 100001 19.9 30.5 33.0 35.8 37.6 39.5 90.8 82.3 83.0 83.0 93.1 83.0 83.0 83.3 83.0 83.bE 90001 21.0 32.6 35.3 38.1 39.9 91.8 82.7 85.1 85.9 85.9 89.9 8S.9 8S.9 85.9 86.0 8b.0GE 80001 21.7 38.9 31.9 80.9 42.9 9.6 85.9 98.5 99.2 89.9 4q.% 89.9 89.8 99.8 49.6 89.b
GE 70001 22.0 35.9 38.9 91.6 83.b 95.5 86.6 9.Z 89.9 53.1 90.1 S0.1 50.1 SO.1 50.3 50.3GE 60001 22.6 36.0 39.2 92.5 88.9 96.8 817.8 50.1 50.8 -1.0 51 . 51.0 51.0 51.0 51.1 51.1
GE 50001 23.3 37.6 83.7 45.0 47.1 89.0 50.3 53.3 58.0 58.7 Sl.7 S.7 58.7 58.7 S4.9 54.9GE 45001 28.3 39.7 92.9 97.3 99.8 51.3 52.6 56.1 56.8 57.5 57.7 S7.7 57.7 7.7 57.8 S7.8GE 4o oj 26.6 82.7 85.9 50.8 52.7 '8.9 S6.8 60.1 61.0 61.7 62.3 62.3 62.3 62.3 62.8 62.8GE 35001 27.9 85.1 88.3 53.3 55.6 57.7 59.3 63.0 b3.8 68.6 6S.1 6S.1 65.1 65.1 85.3 6S.3GE 30001 30.0 88.9 52.9 58.7 61.0 63.3 65.1 69.3 10.5 71.3 71.9 71.8 71.8 71.8 72.0 72.0
GE 25001 31.0 51.1 55.7 61.7 69.0 66.5 68.3 72.5 73.7 78.8 79. 75.0 75.0 75.0 7S.1 7S.iGE 21001 32.3 52.7 57.5 61.0 67.0 69.5 71.3 7S.5 76.7 77.8 78.3 78.3 78.3 78.3 78.5 70.S
GE 18001 33.7 55.0 59.8 66.3 69.3 71.8 73.5 78.1 19.8 A0.9 81.0 81.1 81.1 81.1 81.3 81.3bE 15001 39.6 57.5 67.3 69.3 72.5 ?S. 0 76.7 81.8 83.1 88.7 85.2 85.8 85.8 8S.8 85.S 8S.SGE 12001 35.1 58.9 63.7 70.9 78.8 76.9 78.7 83.8 85.0 A6.6 87.1 87.3 87.3 87.3 87.5 87.5
GE 10001 35.1 58.9 63.7 70.9 78.9 77.1 78.8 8.1 85.5 87.1 87.7 88.0 88.0 88.0 88.2 n8.2bE 9001 35.1 58.9 63.7 70.9 78.6 77.8 79.2 88.7 86.1 87.8 88.S 88.9 88.9 88.9 89.1 89.1LE 8001 35.3 59.3 64.0 71.3 75.5 78.8 80.6 86.6 88.2 89.9 90.7 91.0 91.0 91.0 91.2 91.2GE 7001 3S.3 59.9 64 . 71.8 76.4 79.9 82.0 88.2 89.8 91.9 9Z.8 93.1 93.1 03.3 93.5 93.5GE 6001 35.3 S9.4 68.4 72.0 76.5 R0.1 82.2 88.9 90.5 92.6 91.5 93.8 93.8 98.0 98.2 98.2
GE '001 35.3 59.4 69.9 72.0 76.7 80.8 82.5 89.8 91.5 98.0 9S.8 96.1 96.1 96.3 96.5 96.6GE 9001 35.3 59.8 64.8 72.0 76.7 80.8 82.7 89.9 91.9 98.4 95.8 96.8 97.2 97.8 97.6 97.7GE 3001 35.3 59.4 69.8 72.0 76.7 80.6 82.9 90.1 92.1 98.5 96.1 97.9 97.9 98.8 98.6 98.8GE 2001 35.3 S9.4 68.4 72.0 76.7 80.6 82.9 90.1 92.1 98.5 96.1 97.8 97.9 98.8 90.6 98.9GE 1001 3S.3 59.8 68.8 72.0 76.7 80.6 82.9 90.1 92.1 q9.5 96.1 97.8 97.9 98.8 98.6 100.0
bE O 35.3 59.8 69.4 72.0 76.7 80.6 82.9 90.1 92.1 99.5 96.1 97.1 97.9 98.8 98.6 100.0
..............................................................................................................
TOTAL NUMBER OF ORSERVATIONS: 567
GLOAL CLIMATOLOGY B8NCM P[RC8 t IaGE rRQUE4C OF OCCURRLNEE OF CEILING V17Sus VISIILITYUSAFEtAC FROM HOURLY OBSERVATIONS
AIR wEATHE SFRVICL/MAC
STATON NUMBER: 0,32C ST ATIn MAN[: ZIRI ZE N. PEIOD Or
R[CORD: 1179-94.86mn03H: NOV HOURSILSTI: 1500-1700
il . .... ... .... .... ... .... ... .... .... ... ... ::..............:: :::............................................
CE~lNG VS163113'iu rArUTr KILLSM9 I G. E 1.E aF [ E G GE GE GE GE 0L G Gt GE G [F
F7EET I 0 t i 2 z1 112 1 3/ 1/ 3 1 s 'a6 16 2~ 6/316 1 / "..° ... .. °.. .°. .'°..°.. ... .. '..-.. ... ... .. .°. .'. .'...°.. ........ .,. .0... .,. .,. ..... . .... o..
NO CEIL 1 16.A 23.3 2S.2 26.z2 ,a. .8.2 29.2 31.0 31.8 12.7 37.7 3?.7 32.7 12.7 32.7 %i.9
(f 230003 20.9 .8.8 31.8 33.5 3.0 36.3 37.5 39.6 90.6 41. 4 92.9 91.9 1.9 19.9 91.6 41.bGE 180001 10.9 78. 1 SI.0 33.! 3s.1 16.S 51.7 39.8 90.8 93.6 4|.b 61.6 91.6 .3.6 4b .6 91.6
.E 160001 20.9 28.8 31. 33.5 35.1 36.5 31.1 39.6 90.8 91.6 41.6 91.6 91.6 61.6 61.6 %1.0fi 10001 23.9 28.8 33.9 33.5 35.3 36.5 31.? 39.6 60.8 61.6 93.6 1.b 61.6 1.6 q .6 1.ab( 12Oo 1 21.5 S0.2 317 35.3 36.9 38.3 39.6 6. 6 62.6 %3.0 93.% 43.6 %3.9 3. 3. 43.8
G. IOG 2 3. 3 33.s b6.9 36.1 0.b 9Z.0 63.2 -I.% %6.1 97. 4?*S q,5 9 97. - 7.5 61.S 61.?GE 90001 23.s 39.6 31.9 0.U 92.2 66.0 45.2 17.5 8.9 69.7 49.7 89. 7 69.1 9.7 69.9
GE 60001 26.3 !b.5 93.2 92.6 69.8 96.5 67.7 99.9 61.5 52.3 s2. 5 52. 62.6 %2.6 62.5 S2.1bE 7001 29.s 6.9 1.6 93.2 96.6 91.6 98.1 50.9 52.6 53.3 "3.S 53.5 53.5 65.5 53.5 3.8
(,f 6nu0 1 29.6 36.9 61.6 63.2 45.1 61.5 8.1 $0.9 52-S %3.3 53.5 3. 6S3.5 53.6 53.S 3.8
G 5000I 26.2 39.4 63.6 96.5 8.9 60.9 52.S 59.8 66.6 61.6 5* .9 56.3 58.0 %8.0 SB.0 SB.ZGE 65001 ,8.% 62.0 6-7 99.7 62.5 5.6 56.0 68.2 60.1 61.1 61.7 63.7 61.7 61.7 bi.1 61.9GE 90001 3?. 3 17.3 51.9 55.0 57.6 59.8 61.5 66.1 66.9 66.9 61.6 61.5 b.6 61. 67.6 bI.
G 300I . 5136 1 13 6. 59.0 61.1 63.9 b5.5 66.2 10.0 11.0 13.6 71.6 71.6 71.6 71.6 71.8GE 3Wo0l 5. ? 51.1 66.0 61.1 63.P 65.9 67.5 70. 72.6 73.6 76.2 7.2 76.? 79.2 16.2 74.4
bE 25001 36.3 c%.a 6).Z 63.1 66.3 68.6 10.9 73.2 15.1 1.9 7.11.6 7.5 77.5 17.6 17.5 11.?GE 2001 36.9 S6.4 6?.1 65.7 68.6 71.0 72.6 15.9 16.3 19.6 8L.1 80.1 80.1 80.1 80.1 90.3GE 18001 317.9 57.L 63.5 67.1 70.0 12.9 71 ? 77.3 19.1 80.9 83.% 61.S 8.5 91.5 81.6 61.7U. I3i0| 13.9 S9.% b5.5 69.2 12.- 16 6 16.9 63.1 62.b 96.0 69.6 66.b 69.6 99.b 896 99.8.. 12001 90.6 61. 3 67.5 1.1b 79.6 71.3 19.5 62.6 85.2 96.6 8.9 87.4 67.9 81.9 67.6 9?.6
bE 100)1 60.6 61.3 67.5 71.8 75.1 17.7 79.9 83.2 65.8 8.% 8.2 69.2 66.Z 8.2 88.2 p8..
bE 9003 60.8 61.7 6.1 72.2 7s.s 76.1 80.3 83.6 86.6 P8.0 89.8 88.8 68.6 98.6 68.8 69.i,6 800 90.R 62.9 6%.9 72.6 76.! 78.9 611 8.4 61.9 89.6 90.5 90.6 90.6 90.s 9,.5 9U1
(. 700l 90.8 61. 6q.9 72.8 76.0 79.7 6.2 65.6 686. 90.7 92.1 9".1 92.3 92.3 9z.3 9.3bE bU0 40.8 62.3 69.0 73.8 17.9 80.1 83.6 86.6 9'.1 92.3 9'.9 93.9 92.9 93.9 91.9 96.J
GE SU I 60.6 62.3 61.3 73. 11*9 0.9 69.2 81.8 93.3 99.7 96.6 96.6 96.9 91,2 91.7 91.6
Uo L5jl 9 0.9 62.3 69.0 73.8 77.1 F0.9 19.6 68.2 V2.3 95.? 97.6 97.8 91.8 96.2 98.2 96.%LE luo0 60.A 6z.3 69.
U 73.6 71.9 80.9 86.6 88.2 92.3 95.1 97.8 98.0 98.2 96.8 9M.8 99.2
(A 2003 90.8 62.3 6.o 13.6 11.6 P0.9 66.6 68.2 92.1 96.1 97.6 98.2 98.8 99.9 99.4 99.8
GE I301 0.8P 62,S 69.0 73. 71 1, 60.9 86.6 8.2 92.1 9s.1 91.9 08.2 96.8 99.% 99., IO.
GF I 1 60.8 62.3 b6. 73.8 17.9 80.9 86.6 68.2 92.3 9S.7 97.9 96.2 98.8 99.6 99.9 100.0
TOTAL NUN9(60 ORSE7VAIONS: 49
GL09*1 C11P6610L01. RRAP9CM P!6CEN7Ab7 FR300IIICY Of OCCU66E6Cf OF 1fI191 wfR3'u3 V161611137uArt3 Fc ROM HOUQLY Of&StRVAIIOIAIR WAlINER SERVICEIMA"C
51411109 POUN916: 06 1260 3.*33* AT %"[: lit1/C RI ':1L r1t0,0 9 ot O 090 ap: 71. 19-86606164: N0W HOURI.9L16l: IROM-2300
(I II 1311IS1611111v IN STATUTE will£16 I r.L 61 611 G.E G, L 1 61 61 G6 f. 61 t G 63 ,1
FEET I in 6 S 9 1 .12 2f 112 11/4 1 X/9 Oil* I.? 6/Ib 1/9 Q
N0 CLII I1 16.9 .1S.6 Z.3..' ?b.7I ?A.P W.,*6 31 .11 2.6 12 .6 'S.3 1'. 3 , 11 IS-I I.-, R3.-, S 3. 7 '
I't 200(101 19.9 1. 09.N 31 .2 S3. S16.7I 36 .6 It.& 371.8 Is9.f, 19 .T 36 .7I Is. ? 16.7I 3Q9 1.,16,001 16. 2.9 19.7 1.9 3 1.7 is'.9 16.6 36.1 153.0 ' .71 39.1. 19.9 is .9 38.9 739. I .IA broo UO .9 1'. 9.7 31 .9 13.7 F 6. 9 16.6 39.0 16.0 19.37 3 93 3. 9 36.9 'G69 39.1 3
.I I %nor 16£.9 21.9 21.7 31 . 1 3.7r q6.9 16.8 15.0 16 .0 Is . T 36.9 114.9 39.9 31.9 3q.1 '9.3%t. Ilt rfl I d. 9 16 .6b S 11 3. 1 19.9 1b.6b 37.S Is. I SIt.7I 39.s 3 ;.' , '9 .6 39 .6 b 9.6 19.6 4-. 0
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.LOGAL CLIMAIOLOGY PRANCH PEcCENT Ar-f FR-QUENCY oF OCCJRPCNL( OF Cf7II'iG VrRSUS V1'1ILI11USAF[ IAC FROM HOURLY 0BSERVATIS0NAIR WtAT14FR !.RVILI/MkE
STTI06 NUMPLR: 0632S1 %I 1 I O. NAME41: ZI(.R1'I[l NL P(P10I OF PECORD: 71-66Mfhl"lH: DEC HOURSILST): O6UD-08O
L(ILItNG VISIBILITY IN STATUTE 141LI$IN 23 01 51 G1 G - G GE GE GE 1t G1 GL GE GL LE
FE ET le .1 0. 1. 1 112 7 1 I z 1 1 41 1 'i4 i1e
6l3 0 11 a/3 (
...(......* . ..* . 6 6 2312.... .. .** .6.. o. 3... * .... , o1..... 6..... ..... ..... 6..... . ........... ,..
NO CIIL I 12.7 :U.1 V .1 ?5.2 2.' 2a. 7 Z8.1 30.2 3,? z0. .3. f 30.6 3.6 30.6 30.6 1J.b
(,[ 200O0 I 13.6 21 .6 2.3 21.6 33. s 1.3 31.3 32.8 33.0 13.L 7'.? 13.I s.? 13.9 73.9 13.9. coo01 31.6 21.6 2V. 21.6 30.6 3.3 31.3 32.6 33.0 73.0 33.1 33.1 33.7 33.9 3.9 '3.9
c. ( 3Ie 3. . ; 16 30.6 31.3 31.3 32.6 13.0 3.1 U 7 33. 33.1 3.9 3.9 33.9% r u01 17. 1 .6 1.:8 2 7.6 30. 333 33.7 , 21 32.: 3.
3.1 '.? 33.1 33.7 '3.9 33.9 3 9~, ~01l136 211 2. 7. 3. 20 32.0 33. 3 3.1 33. 3N. 39. 36. 36 36. 6 3%6.6
61 1OF) 00 1.6 26.2 11.6 31.1 !S.' 36.1 36.7 31.2 37.6 37.6 38.1 38.1 38.1 '8.3 36.3 !.3.'( "1U1 36.6 2.N.4 29.. '2.0 3x.2 16.1 36.3 37.6 1.8 '1.8 s8.6 38.6 36.5 38.7 36.1 5b.16F e001 1,1.7 ?6.5 2.1 Si. 36.1 7.6 31.6 39.0 39.2 19.; 4 ol 60.0 60.0 40.1 47.1 4D.
t3 TrioJ 16 .1 26.1 29. 3,.9 37.6 38.5 38.6 60.0 40.1 63.3 60.9 40.9 67.9 63.1 63.3 63.3I( 60) or) .1 .21.1 3.z 364.6 3q.6 59.6 S9,6 60.9 61.1 63.3 93-8 61.8 61.9 '. 62.0 12.0
(. 6 I001 36., .6.9 32.3 36.8 40. 44.8 61.6 63.6 63.8 43.8 4-1 66.6 4%b .6 66. 9 44.9 661. 9.f ' (1 . 57 3 ) 3. U 31.' 38.3 42.4 43.3 63.3 45.1 66. 3 66.3 4 6 . 1 %6.0 -86.1 66.6 96.6 66.46 t svOC I 1.6 36.3 3-.3 46.0 60. 49.6 49.61 61.2 5. 1. S2.1 52.1 6Z. 52.5 52.5 6,.5(I, " i' ) 1i.. I3.U 63.3I OF.3 63.9 112. s S'.7 4.5 56.7 s%.1 .4 5.4 5.6 65.8 66.8 '5.81. S030 d 13.0 1%.9 66.9 63.2 55.6 616.1 66.9 68.1 58.9 . 9 -9.7 %9.7 69.7 60.0 60.0 bj.3
"1 21 33 I1.9 :.:6 61 66l 5 69.3 61.2 60.6 626 63. 63.0 '.? 33.1 61'7 64.3 66 .1 641,
"I l'." 27.6 66.6 6 ,6 56. 60.. 6z2. 62.8 66.0 6.5 66.64 66.1 66.3 6653 66.1 66.1 66.1.7 1861 12.8 86.9 . 68.0 63.6 66.0 65.9 6.3 68.1 66.9 69.6 69.8 69.8 73-. In.? 7L.2
"1 I 0fI 1.8 -6.6 .1 6.3 6.'. 69. z I0.2 726 13.3 7.6 74.? y6.% 76.6 76.8 71.8 16 .1$:.3 I17 3 I 3.a %[;.1 66 .6 65.2 70. 172.6 7.S 76.1 76.6 17.0 77.7 77.9 77.9 78.5 18.6 78.S
61 1' 6 1 2.9 .S. % ,5. 1 6 .137..s 7 41 11.3 n 18. 71o).6 197 79.?r9 9 7 6.6 A 0.5 O ,567 9 or, 2"3.9 1.r 57.3 66.9 73.' 7t 3 16.2 19.2 19.9 80.6 63.6 83.8 61.8 82. 3 8.3 02.33.1 Pol 23.9 63.6, 6 5.. 68.0 16.,. l17, 78.6 83.6 8l2.6 P1.2 64.5 86.1 86.1 86,. 86.3 66.36r 31:0 939 S2,3 5.9 69.Z 76.3 79 ,2 0 8.1 86.0 87.3 81.7 87.1 68.% I8.2 66.2
3f 6Un1 23.9 2 . 3 6!.. 69.2 76.q 19.9 81.7 . 86.6 81.1 89.1 A9.3 9. 913.8 60.1 90.1
G. I 30 23. 9 62.3 69. 69. 11. S0. 82. 1 61 8. 96 9. 3. 21 9. 26(.31 61| 23.9 52.3 5.S 696 11.3 631.1 *2.7 81.3 88.6 90. 92.6 9|,o 9:.1 96.8 96.6 95.0(1[ 3371 23.9R 62'.7 69.9 69.6 11.6 63..8( 82.9 81.3 86.8 91.2 9',1 93.1 98.1 96.1 96.3 96.3
' 7UO1 23.9 '2,3 68.9 69.6 17. 80.8 82.9 81.3 88.8 93.3 99.8 9.3 96.2 97 61.6 98.16F 1001 z3.9 62.1 56.9 69.6 77.6 60.8 82.9 87. 3 88.8 91.1 91.4 94.3 95.6 97.8 97.8 300.0
6F I 23.9 51.3 58.7 69.6 7,9 .0. . 82.9 87.3 88.8 91.3 93.64 9.3 95.6 97.8 97.8 100.0
10 1 L W"UMi A Of U-S( R V'AItI| NS 541]
306 6681708(6125 6
GLOBAL CLIMAIOLOGY BRANCH PERCENTaGE FR(QUENCY OF OCCURRENCE OF CEILING vOASUS VISIBILITY
USAFETAC FROM HOURLY OBSERVATIONS
AIR WEAT14ER SERVICE/MAC
STATION NUMBER: 063250 STATIM NAME: ZPRIK7E-. NL PEPIOU OF RECORD: 77-84,86MONTH: DEC HOURSILSTI: 09Un-1100
IN I 21 GE 5E GE GE G: GE GE GE GE rL GI GE GE GL GEFEET | 10 6 5 4 2 12 2 2 1 lt? 1 1/4 1 /4 3/8 112 5/16 I/4 0
NO CE IL I 9.9 15.7 16.4 16.8 19.1 2u.3 20.5 22.2 22.9 23.1 23. 23.5 23.5 23.5 23.5 23.5
uE 200001 10.7 18.9 20.3 22.2 24.1 26.0 26.4 28.7 i9.6 29.8 30.0 30.2 30.2 30.2 30.2 30.2fE I80UO I 10.7 19.1 23.5 22.4 25.2 26.4 26.8 29. 1 30.0 30.2 30.4 30.6 30.6 30.6 30.6 30.6GF 160001 10.7 19.1 23.5 22.4 Z5.2 26.4 26.8 29.1 30.0 30.2 30.4 30.6 30.6 30.6 30.6 '0.6GE 140001 IC.7 19.1 23.5 22.4 25.4 26.6 21.0 29.4 30.2 30.4 30.6 30.8 33.8 30.8 30.8 30.86E 120001 11.1 19.9 21.4 23.5 26.4 27.7 28.1 30.4 11.2 31.4 31.7 31.9 31.9 31.9 31.9 31.9
GE 100001 11.7 22.6 24.3 26.8 29.8 31.0 31.4 34.2 35.0 15.2 35.4 35.8 35.8 35.8 35.8 35.8bE 90001 12.2 23.1 24.7 27.5 30.4 31.9 32.3 35.0 35.8 36.1 36.3 36.7 36.7 16.7 36.7 36.7GE 80001 12.6 24.7 26.-9 30.2 33.1 34.8 35.4 38.4 39.2 39.4 39.6 40.0 40.0 40.0 40.0 40.0GE 71001 12.8 24.9 27.0 30.4 33.5 35.2 35.8 38.8 39.8 40.0 40.3 40.7 40.7 40.7 40.7 40.7bE 6O01 12.8 2 .4 27.5 31.0 34.2 35.8 36.5 39.4 40.7 40.9 41.1 41.5 41.5 41.5 41.5 41.5
GE 50001 13.2 26.2 23.3 32.7 36.7 36.4 39.0 41.9 43.2 43.4 43.6 44. 44.0 44 .3 44.0 44.4GE 4500 14.3 27.5 29.6 34.0 38.4 40.0 40.9 44.0 45.3 45.5 45.7 46.3 46.3 46.3 46.3 46.3GE 40001 16.6 30.8 33.1 37.9 42.3 44.0 44.9 48.6 49.9 50.1 5o.3 S0.9 53.9 s0.9 50.9 50.9GE 3sc01 1R.9 33.3 35.6 40.7 45.3 47.0 47.8 51-0 53.0 53.2 53.5 54.1 54.1 54.1 54.1 54.1GE 30001 21.0 36.9 37.2 44.9 49.7 51.6 52.4 56.8 58.1 58.3 Sp5. 59.1 59.1 59.1 59.1 59.1
bE 2SO01 21.4 37.7 4J.9 47.0 52.0 53.9 54.7 59.3 60.6 60.8 61.0 61.8 61.8 61.8 61.8 61.8GE 2noo0 22.2 40.3 41.4 49.7 55.1 57.0 57.9 62.5 63.7 63.9 64.2 65.0 65.2 65.2 65.2 65.2bE 1RUOI 22.9 41.7 64.9 1.2 57.0 58.9 60.0 64.6 66.2 66.9 b7.1 67.9 68.3 68.3 69.3 68.3GE 1500s 4.7 43.8 47. 55.3 61.R 63.7 64.8 70.4 72.1 72.7 73.0 73.8 74.2 74.2 74.2 74.2GE 12001 26.6 46.3 49.9 59.3 66." 67.9 69.2 75.1 77.4 78.2 79.4 9 79.7 79.7 79.7 79.7
GE 100 26.6 46.5 53.1 60.0 66.7 68.6 69.5 75.9 78.4 79.7 79.9 S9.7 81.1 81.1 81.1 81.1GE 9Cnj 26.6 46.5 53.1 60.0 66.9 68.8 70.0 76.3 79.0 90.5 80.7 81.8 82.2 82.4 82.4 82.4lE 801 26.6 47.2 53.9 61.2 6R.3 70.4 72.3 78.8 81.6 33.2 93.9 85.1 85.5 85.7 8.7 85.7"E 7001 26.6 97.6 51.8 62.5 69.6 71.7 73.6 80.5 83.4 95.1 85.7 87.2 47.6 87.8 87.8 97.8
UE 6101 26-6 47.6 51.8 62.7 69.0 12.1 74.0 81.1 84.5 86.4 87.4 88.9 89.3 89.5 89.5 89.5
LE 001 i6.6 41.6 51.8 62.7 70.7 7 .5 74.6 82.0 85.3 87.8 89.1 91.0 92.2 92.7 92.7 92.9GE 41, 1 26.6 47.6 51.8 62.7 70.2 72.5 74.6 82.2 85.5 88.7 90.8 93.3 99.8 95.4 95.4 95.6GE 3O00 26.6 87.6 51.8 62.7 70.2 72.5 74.6 82.2 85.5 88.7 90-, 93.5 95.2 96.0 96.0 96.2GE 2001 26.6 47.6 51.9 62.7 70.2 72.5 74.b 82.2 85.5 88.7 9P.8 93.5 95.4 96.9 97.1 99.4GE 101 26.6 47.6 51.d 62.7 70., 72.5 74.6 82.2 85.5 88.7 90.9 93.7 95.6 Q7.I 9T.S 100.0
GE 01 26.6 41.6 sI1d 62.1 70.2 72.5 74.6 82.2 85.5 98,7 90.R 93.7 95.6 97.1 97.5 100.0
TOTAL NUmRER f OSERVAT13N5: 477
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FFRQUENCY OF OCCURRENCE OF CEILI4G VERSUS VISIBILITYuSAFETAC FROM HOURLY OBSERVATIONSAIR wEATHER sERvICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIK7E NL PERIOD OF RECORD: 77,79-86
MONTH: OEC HOURS(LSTI: 12C0-1400
CEILING VISIBILITY IN STATUTE MILES
IN GE GE GE GE GE GO GE Gf GE E E GE G G L E GE GEFEET Ia 6 5 4 3 2 I12 2 1 1/2 I 1/4 I 3/4 . /8 1/2 1/16 1/4 0.. . . .. . . .. . . . .. . . .. . . .. . . . .. . . .. . ..-. .............................................°..-... ....
NO CEIL 12.C 18.6 23.3 21.9 24.0 24.2 24.7 26.8 26.8 27.1 27.5 77.7 27.7 27.7 27.7 27.7
GE 20000 13.6 22.6 25.U 28.U 31.5 32. 0 32.9 35.5 35.5 36.0 36 . 7 36.9 36.9 36.9 36.9 36.9FE 180001 13.6 22.6 25.3 28.0 31.5 32.0 32.9 35.5 35.5 36.0 36.7 3(..9 36.9 36.9 36.9 !6.9GE 160001 13.6 22.6 25.0 2s.a 31.S 2.0 32.9 35.5 35.5 36.0 36.7 36.9 36.9 36.9 36.9 36.9GE 140001 13.6 22.8 25.2 28.2 31. 7 32.2 33.0 35.7 35.7 36.2 36.9 37.0 37.n 317.0 37.0 37.0GE 12C01 14.3 23.5 25.1 29.2 32.7 33.2 314.3 36.9 36.9 17.4 IF.1 38.3 38.1 S 8. 31A.3 38.5
GE 10000 15.1 25.4 28.3 31.8 36.1 36.7 37.9 40.7 40.7 q1.2 47.1 42.3 42.3 42.3 42.3 42.3GE 9000 15. 27.U 33.1 33.7 37.9 38.8 40.2 43.0 43.0 43.5 44.1 4.S 44.5 44.5 44.S 44.5GE 8000 16.5 29.0 32.9 317.4 41.6 42.4 44.3 47.5 47.5 48.0 49.9 U9.0 49.3 49.0 49.0 49.0SC 1('o0 1L6.5 29.Z2 1. U 17.7 41.9 4z.8a 44.7 47.8 47.8 48.5s 4Q.2 49 .4 49.4 49.4 49.4 4.9.4GE 60001 17.0 10.1 34.1 38.8 43.3 43.8 45.7 48.9 48.9 49.4 5.1 50.4 5a.4 50.4 50.4 0.4
6E S)O01 17.4 32.2 36.3 41.2 45.6 46.4 48.3 51.5 51.5 52.0 5?.9 1.0 53 .30 53.0 53.0 53.0GE 45001 18.4 3.6 37.7 42.6 47.n 4.8 49.7 52.9 52.9 53.6 54.4 54.6 54.6 4.6 54.6 54.6E -n01 19.3 15.5 34.8 45.% 49.7 50.6 52.7 Sb.O 56.0 56.7 57.9 %.1 58.1 58.1 5.1 6.I
GE 35001 20.3 37.6 41.9 47.5 S.q 52.7 54.8 58.1 58.1 58.8 60.) 60.2 60.3 60.3 6,.3 60.3GE 3COO1 21.6 40.2 44.7 50.8 55.1 56.0 58.4 61.9 61.9 62.6 63.t 64.0 64.3 64.3 64.1 64.3
UE 251)01 2,.1 41.4 45.1 52.5 56.9 57.9 60.3 64.0 64.0 64.9 66.1 66.3 65.6 66.6 66.6 66.6GE 20001 23.0 43.0 49.0 54.b 59.1 61.0 63.7 67.7 67.7 68.5 59.9 70 . 1 73.4 70.4 ?.4 70.4GE IUO1 23.3 43.5 49.7 55.8 60.5 62.3 64.9 68.9 69.0 69.9 71.T 71.5 71.8 71.8 71.8 71.8GE 15001 23.8 45.2 51.1 58.8 63.7 65.4 68.0 72.2 72,3 73.- 74.6 74.8 75.1 75.1 75.1 75.juE 17001 24.5 46.8 52.5 60.7 66.6 68.9 71.8 76.2 76.3 77.2 78.6 79.0 79.3 79.1 19.3 79.3
GE IOU0 24.5 46.8 52.5 60.9 67.1 b9.4 72.3 76.9 17.4 78.4 aP .2 80.5 83.9 80.9 80.9 8.9GE 9U0 24.5 47.0 52.1 61.2 67.5 69.7 72.7 ?7.6 78.3 79.5 81.4 81.7 82.3 42.3 82.3 82.3
GE 8001 24.5 47.5 52.7 61.6 68.1 71.0 73.9 79.0 79.8 R1.4 87.0 84.3 84.9 44.9 84.9 84.9GE 7001 24.5 47.0 52.7 61.7 69.2 71.8 75.1 80. 3 81.2 83.0 8".6 86.1 86.6 R6.6 86.6 8b.6
S. 6001 24.5 47.0 52.7 62.1 69.7 72.5 76.0 81.2 82.3 84.0 87.0 87.5 88.2 89.5 88.7 86.7
GE I sGo 24.5 47.0 52.7 62.3 69.9 72.9 76.5 83.9 83.0 84.7 88.3 89.0 93.4 91.0 91.3 91.56E 400 24.s 47.u 57.7 62.1 70.3 73. 0 76.9 82.3 83.3 85.6 89.6 90.8 92.7 93.2 93.6 94.3GE !00 24.5 47.3 52.9 62.3 70.7 73.2 77.6 83.0 84.0 86.4 90.6 92.2 94.3 94.8 95.3 96.0GE 7UO 24.5 47.1 52.9 62.3 70.1 73.4 77.7 83.1 84.1 '6.8 91.0 92.5 94.8 96.3 97.2 98.4
-E Io 1 24.5 47.1 52.9 62.3 70.1 73.4 77.7 83.1 84.3 86.8 91.0 92.7 95.0 96.5 97.4 99.7
SE of 24.5 47.1 52.9 62.3 70.1 73.4 77.7 83.1 84.3 86.8 91.0 92.7 95.0 96.5 97.4 100.0
1OT8L NUMPER OF OBSERVATIONS: 575
muj_
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FREQUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFCIA C FROM HOURLY OASERVATIONSAIR WEATHER SERVICE/MAE
STATION NUMBLQ: 063250 S7AVION NAME: ZIERIKZE NL PERIOD OF RECORD: 77.80-84,86
MONTH: DEC HOURSILSTI: 1500-1700..........................................................................................................................
CEILING VISIBILITY IN STATUTE MILESIN GE GE GE GE GE 6- GE GE GE GE r.e GE GE GE GL GE
FEET 10 6 5 4 T , 112 7 1 112 1 1/4 1 314 5/8 1/2 5/16 1/4 0
NO CEIL 1 11.8 17.2 19.5 21.2 23.0 24.9 25.5 27.0 28.3 28.8 21.0 29.0 29.0 29.0 29.0 29.0
IE 200001 13.1 20.6 22.3 26.0 28.9 3(J. 7 31.3 33.o 34-5 35.0 3-.2 35.2 35.2 !5.2 35.2 35.2GE 18000 13.1 20.6 27.3 26.0 29.2 31.1 31.8 33.5 35.4 35.8 36.1 36.1 36.1 36.1 36.1 36.1bF l1600 13.1 20.6 22.3 26.0 29.' 31.1 31.8 33.5 35.4 35.8 36.1 36.1 36.1 36.1 36.1 36.16E 141C 00 11.3 10.8 22.5 26.2 29.4 31.3 32.0 33.7 35.6 36.1 36.3 36.3 36.3 36.3 36.3 36.3uE 1200 1 3.7 21.2 23.0 26.8 30.0 32.2 32.8 34.5 36.5 36.9 37.1 37.1 37.1 37.1 37.1 37.1
GE 100001 16.7 25.3 27.3 32.2 35.6 37.8 38.8 40.6 42.5 43.1 43.3 43.3 43.3 43.3 43.3 43.3GE 9C001 17.0 25.8 27.9 32.8 36. 1 38.9 39.5 41.2 43.1 43.8 44.0 44. 44.0 44.0 44.0 44.0GE 81001 17.8 27.3 33.0 35.2 38.9 41.2 42.5 44.2 46.1 46.8 47.0 47.0 47.0 47.0 47.0 47.0I.E 7n00I 17.8 27.7 33.5 36.1 39.7 42. 1 43.3 45.3 47.4 48.3 48.5 48.5 48.5 48.5 48.5 48.5I[ 60001 17.8 27.9 31.7 36.3 39.9 42.3 43.6 45.7 87.9 88.7 98.9 48.9 48.9 48.9 48.9 48.9
GE 50001 18.7 30.3 33.0 39.1 42.9 45.9 87.2 89.6 51.7 52.6 53.0 53.0 53.0 53.0 53.0 53.0IF v.0O 19.7 31"5 34.5 80.6 48.6 47.6 88.9 51.3 53.4 54.3 54.7 54.7 54.7 S4.7 54.7 54-7bE 40001 20.6 33.3 36.7 82.9 87.2 50.2 51.5 53.9 56.0 56.9 57.3 57.3 57.3 57.3 57.3 57.3I.E 35001 Z0.6 34.3 38.0 45.1 49.4 52.4 53.6 56.8 58.6 59.4 59.9 60.1 60.1 60.1 b.1 60.1bE 300o1 22.7 37.3 81.0 88.1 52.R 56.0 57.1 60.3 62.4 63.3 63.7 63.9 63.9 63.9 63.9 63.9
GE 2oo1 23.4 38.6 42.5 89.6 58." 58.2 59.7 63.1 65.7 66.5 67.0 67.2 67.2 67.2 b7.2
67.2GE 2r001 24.9 41.2 45.1 52.8 57.8 61.2 62.9 66.3 69.1 70. 70.4 70.6 70.6 70.b 70.6 7U.bIE 1FOOl 25.0 42.9 45.8 54.3 59.9 6!.3 6S.0 68.5 71.2 72.3 73.0 73.2 73.2 73.2 73.2 73.2IE 15001 26.0 44.4 48.5 56.0 61.6 65.5 67.8 71.5 74.5 75.5 76.2 76.6 76.6 76.6 76.6 76.6GE 12001 26.6 45.7 53.0 57.7 63.1 67.6 b9.7 78.0 17.3 76.8 79.4 79.8 79.8 79.8 79.8 79.8
GE Iro001 26.6 46.4 53.6 58.6 64.4 68.7 70.8 75.3 78.5 80.0 80.7 81.1 81.1 R1.1 81.1 81.1GE 9001 26.6 46.4 53.6 58.6 64. 68.7 70.8 75.8 79.0 80.5 81.1 81.8 81.8 81.8 81.8 81.8IE 8001 26.6 46.4 50.6 58.6 64.6 69.1 71.2 76.6 60.3 82.0 87.9 83.5 83.5 83.5 83.5 83.5GE 7001 26.6 46.4 51.6 58.8 64.8 69.3 71.5 77.3 81.5 A3.5 88.5 85.6 85.6 85.6 8S.6 85.6GE 600 26.6 4.6 53.9 59.2 65.5 70.0 72.1 78.3 82.6 85.2 86.5 87.6 87.6 87.6 87.6 87.6
6E 5001 26.6 46.6 53.9 59.7 65.9 70.4 72.5 79.0 83.s 86.7 88.4 89.7 89.7 89.7 89.7 89.7IE 4o0 26.6 46.8 51.1 59.9 66.3 7c.8 73.0 79.8 88.5 88.0 9.6 92.7 92.9 93.8 93.8 93.8
GE 3001 26.6 46.8 51.3 60.1 66.5 71.2 73.8 80.5 85.2 89.1 97.7 95.1 95.9 97.0 97.0 97.2
,E 2001 26.6 46.8 51.3 60.1 66.S 71.2 73.8 80.5 85.2 89.1 92.7 95.1 96.1 97.4 97.4 97.9GE 1001 26.6 46.8 51.3 60.1 66.5 71.2 73.4 80.5 65.2 89.1 97.9 95.3 96.6 98.1 98.3 99.6
IE 01 26.6 46.8 51.3 60.1 66.. 71.2 73.8 80.5 85.2 89.1 92.9 95.3 96.6 98.1 98.3 103.0
T07TL NUMBER OF 09SERVATIONS: 866
w. d 4
GLOBAL CLIMnAOLOGY BRANCH PERcENTAGE FREQUENCY oF OCCURRENCE OF CEIL'IJG VFRSUS VISIBILITYUSAFETAC FRO HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBLR: 063250 STATION NAME: ZILRIK'E! NL r[Rool OF RECORD: 77,79-86
MONTH: DEC HOURSILST): IJRO-210O
IN Ir GE GE GE GE G- GE GE GE GE GE GE GE GE GE GEFEET 1 10 b 5 4 3 2 112 2 1 112 1 1/4 1 3/4 5/8 112 /16 1/4 0
NO CELL 1 12.0 17.9 2.1 22.4 23.8 24.7 25.6 28.0 28.1 28.3 2.0 29.2 29.2 29.2 29.4 29.4
GE 200001 13.1 21.1 23.8 26.7 28.3 29.6 33.5 32.8 33.0 33.2 31. 34.1 34.1 34.1 34.2 34.2GE 180001 13.3 21.3 Z124.0 26.9 24.5 29.7 30.6 33.2 33.5 11.7 34.4 34.6 34.6 34.b 34.8 34.8GE 16OI 13 33 21.3 24.0 26.9 28.5 29.7 30.6 33.2 33.5 33.7 34.4 14.6 34.6 34.6 34.8 34.4
GE 140001 13.3 21.3 24.0 26.9 28.5 29.7 30.6 33.2 33.5 33.7 34.4 34.6 34.6 34.6 34.8 34.8
GE 120001 13.3 21.3 24.0 27.1 28.9 10.1 31.0 33.9 34.2 34.4 35.1 35.3 35.3 35.3 35.5 35.5
GE 100001 14.9 25.3 24.0 31.2 33.S 34.8 36.4 39.2 39.8 40.0 4n.7 40.9 40.9 40.9 41.0 41.1GE 900 I1.1 25.8 29.5 31.7 34.4 35.7 37.3 40.1 40.7 40.9 41.6 41.8 41.8 41.8 41.9 41.9GE 4000! 15.1 27.2 33.1 33.7 36.4 37.6 39.2 42.1 42.7 43.0 4 .7 41.9 43.9 43.9 44.1 44.1
GE 70001 I15.2 ?7.6 33.5 34.2 36.9 38.2 39.8 42.7 43.4 43.7 94.4 44.6 44.6 44.6 44.8 44.8
GE 6000! 15.2 27.6 30.8 34.6 37.3 38.5 40.1 43.2 43.9 44.4 49.7 45.3 45.3 45.3 45.5 45.5
GE 5000 15.9 29.2 33.3 37.3 40.1 41.8 41.4 46.4 47.1 47.7 94.4 44.6 48.6 48.6 48.7 48.7GE 4500! 17.2 30.8 34.6 39.1 42.5 43.9 45.S 48.6 49.3 49.8 50.5 50.7 50.7 50.7 50.9 50.9GE 40001 19.9 35.5 39.4 44.1 47.q 50.2 52.0 55.0 55.7 56.3 57.2 57.3 57.3 57.3 57.5 57.5GE 3500! 21. 3 17.6 41.9 46.6 50.4 52.7 54.8 57.9 58.6 59.1 60.0 60.2 60.2 60.2 60.4 60.4GE 3000! 23.7 41.8 45.2 51.8 55.7 58.6 60.8 63.8 64.5 65.1 69.9 66.1 66.1 66.1 66.3 66.3
uE 21f00 24.0 43.7 49.4 54.1 58.? 61.5 63.8 67.0 67.7 68.3 69.2 69.4 69.4 69.4 69.5 69.5GE 2000! 24.9 46.1 53.9 57.0 61.6 65.2 67.9 71.3 72.0 72.8 73 . 7 73.8 73.8 73.8 74.0 74.0GE 1900 2S.1 47.C 52.0 58.2 62.9 66.7 69.4 72.9 73.8 74.7 7N.6 75.8 75.8 75.8 76.0 76.0GE 1' 00 25.4 98.4 53.6 60.4 65.4 69.2 71.9 75.4 76.3 77.4 78 * 3 78.5 78.5 78.5 78.7 76.7Gr 12001 25.6 49.8 55.E 62.5 67.9 71.7 74.4 78.3 79.4 90.5 81.4 81.5 81.5 81.5 81-7 I.7
GE I0001 25.6 50.7 56.8 64.0 69.9 74.2 76.9 81.2 82.3 83.3 84.2 R4.4 84.4 84.4 64.6 84.6GE 9co 25.6 50.9 57.0 64.5 70.6 75.1 77.8 82.3 83.5 84.6 8.5 85.7 85.7 85.7 85.g 95.8E 400! 25.8 51.3 57.5 65.1 71.5 76.0 78.9 83.5 84.8 46.2 87.1 87.3 87.3 87.3 87.5 87.5, 7U01 25.9 51.6 57.9 65.8 72.9 77.6 80.5 85.3 86.6 98.L 89.4 89.6 89.6 89.6 89.8 89.8GE 61J01 25.8 51,6 57.9 65.9 73.3 78.0 80.8 86.0 87.6 89.4 9P.7 90.9 90.9 90.9 91.0 91.U
GE tOG! 25.9 51.6 57.9 65.9 73.7 78.9 81.9 88.4 90.0 91.9 93.S 93.7 93.7 93.7 93.9 93.9GE 400! 25.8 51.6 57.5 65.9 73.R 79.0 82.3 89.1 91.2 93.5 9A.1 96.4 96.8 97.1 97.3 97. 3GE 3001! 25.8 51.6 57.9 65.9 73.9 79.0 82.3 89.2 91.4 93.9 96.6 97 *3 98.2 98.7 98.9 98.9
GE 2001 25.8 ,.L 57.5 65.9 73.9 79.0 82.3 89.2 91.4 93.9 96.6 97.3 98.2 98.7 98.9 99.1GE 100! 25.A 51.6 57.9 65.9 73.n 79.0 82.3 89.2 91.4 93.9 96.6 97.3 98.2 98.7 94.9 09.8
GE O 25.8 51.6 57.9 65.9 73.S 79.0 82.3 89.2 91.4 93.9 96.6 97.3 98.2 98.7 9q.9 100.0
IOTAL NUMBER OF OSERVATIONS: 558
.....
I-> GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FR-QUENCY OF OCCURRENCE OF CEILING VERSUS VISIBILITYUSAFETAC FROM HOURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIZEC NL PERIOD OF RECORD: 77,79-8.86MONTH: DEC HOURSCLSTI: 2100-230
CEILING VISIBILIFT IN STATUTE MILES
IN IGE GE GE GE GE G.- GE GE 6E GE GL GE GE GE GE GEFEET I 10 6 5 4 3 2 1/2 2 1 112 1 1/4 1 3/V 5/8 112 5/16 1/4 0
NO CEIL I 14.0 21.5 23.8 25.9 28.6 30.3 31.1 32.8 32.8 32.8 32.8 32.8 33.0 33.2 33.2 33.2
GE 200001 15.0 23.6 25.9 28.0 31.1 32.8 33.6 35.3 35.3 35.3 35.3 35.3 35.5 35.7 35.7 35.7uE 180001 15.0 23.6 25.9 28.0 31.1 32.8 33.6 35. 3 3 5.3 3F,3 3S.3 35.5 35.T 3S.7 35.7GE 160001 15.0 23.6 25.9 28.0 31. 1 32.8 33.6 35.3 35.3 35.3 35 3 35.3 35.5 35.7 35.7 35.7GE 140001 15.0 23.6 25.9 28.0 31.1 32.8 33.6 35.3 35.3 35.3 3r.3 35.3 35.5 35.7 3S.7 35.7
GE 120001 15.0 23.8 26.3 28.8 31.9 33.6 34.4 36.1 36.1 36.1 36.1 36.1 36.3 36.5 36.5 36.5
GE 100001 16.1 26.5 29.2 32.8 35.9 37.6 38.6 40.5 40.5 40.5 40.5 40.5 40.7 tO.9 40.9 40.9GE 90001 16-1 26.5 29.2 33.1U 36.3 38.0 39.0 40.9 40.9 40.9 40.9 40.9 41.1 41.3 41.3 41.3GE 8C001 16.1 26.7 29.4 33.2 36.7 38.4 39.5 41.3 41.3 41.3 41.3 41.3 41.5 41.8 41.8 41.8
GE 70001 16.1 26.9 29.6 33.4 37.0 38.6 39.7 41.5 41.5 41.5 41.5 41.5 41.8 42.0 42.0 42.0GE 60001 16.1 27.3 33.3 34.0 37.6 39.2 40.3 42.8 42.8 42.8 42.8 42.8 43.0 43.2 43.2 43.2
GE 50001 16.5 28.6 31.9 36.1 40.1 42.0 43.0 V5. 5 45.5 45.5 45.5 45.5 V5.7 45.9 45.9 45.9
GE 45001 17.1 29.4 33.2 37.4 41.3 43.2 44.3 46.8 46.8 46.8 46.8 46.8 47.0 47.2 47.2 47.2
GE 4C001 20.7 34.7 38.6 43.0 47.6 49.5 50.5 53.0 53.0 53.0 53.0 53.0 532 53.4 53.4 53.4
GE 35001 21.1 36.3 43.3 45.1 49.7 51.8 53.2 55.7 55.7 55.7 55.7 55.7 55.9 b.2 56.2 S6.2GE 30001 23.2 40.9 45.1 50.9 55.7 S7.8 59.5 62.2 62.2 62.2 67.2 62.2 b2 .4 62.6 62.6 62.6
GE 250oo 23.4 4Z.2 47.D 52.8 57.6 60.1 61.8 64.7 64.7 64.7 64.7 64.7 64.9 65.1 65.1 6S.1GE 20001 24.0 43.4 48.9 54.7 59.7 62.4 64.1 67.0 67.0 67.0 67.0 67.0 67.2 67.q 67.4 67.4GE 1801 24.0 44.9 53.7 57.2 62.4 6S.6 67.2 70.4 70.4 70.4 70.4 70.4 70.6 70.8 70.8 7.8
GE 1501 24.2 48.0 54.1 61.0 66.8 71.0 72.7 7b.o 76.2 76.4 76.6 76.6 76.8 77.0 77.0 77.0GE 12001 24.4 49.3 55.7 63.5 69.5 73.9 75.8 79.5 79.7 80.0 8.2 80.2 80.4 90.6 80.6 80.6
GE 17001 24.4 49.5 55.2 64.1 70.9 75.6 77.5 81.2 81.8 82.0 82.3 82.3 82.5 82.7 82.7 82.7GE 9001 24.4 49.7 55.4 64.7 71.6 76. 4 78.5 82.3 82.9 83.5 87.9 83.9 8#. 1 84.3 84.3 84.3GE 8001 24.4 49.9 55.8 65.3 72.4 77.9 80.0 84. 1 84, 85.4 p5.8 85.8 86.0 8b.2 86.2 86.2GE 7OO1 24.4 50.1 57.0 65.6 73.1 79.1 81.2 86.0 87.1 88.3 88.7 8.7 989 99.1 89.1 89.1GE 6001 24.q 50.1 57.0 65.6 73.1 79.1 81.2 87.5 89.5 90.0 90.6 90.6 90.8 91.0 91.0 91.0
GE 5UO1 24.4 50.1 57.G 65.6 73.3 79.3 81.4 88.1 89.6 91.2 91.9 91.9 92.1 92.7 92.7 92.7GE 4001 24.4 50.1 5T b 65,b 73.3 79.5 81.6 89.1 90.8 92.9 93.7 93.9 94.2 04.8 94.8 94.8GE 3001 24.4 50.1 57.0 65.6 73.3 79.5 81.6 89.1 91.4 94.2 9.0 95.q 95.8 O7.7 9'.7 97.7GE 2001 24.4 50.1 57.0 65.6 73.3 79.5 81.6 89.1 91.4 94.2 95.0 95.4 96.0 97.9 97.9 98.1GE 1o1 24.4 50.1 57.U 65.6 73.3 79.5 81.6 89.1 91.4 94.2 95.0 95.4 96.2 98.3 96.1 99.2
GE ol 24.4 50.1 57.0 b5b 73.3 79.5 81.6 89.1 91.4 94.2 9rfl 95.4 96.2 98.3 98.3 100.0
TOTAL NUMBER OF OBSRVATIIONS: 479
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FPRQUENCY OF OCCURPENCE OF CEILING VERSUS VISIBILITYUSAFET AC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PERIOD OF RECORD: 77-86MONTH: DEC HOURSILSI: ALL
CEILING VISIPGLITY IN STATUTE MILLS
IN GE GE GE GE GE G GE GE GE GE GL GE GE GE GE GEFEET 10 6 5 4 3 2 112 2 1 112 1 1/4 1 3/4 5/8 1/2 5/16 1/4 0........ ........................................................................ ........... .......................................
NO CEIL 1 13.3 20.7 22.4 24.6 27.1 28.2 28.7 30.3 30.5 30.7 31.0 31.1 31.1 31.1 31.2 31.2
EE 200001 14.2 23.2 25.3 28.2 31.2 32.4 33.0 34.7 35.1 35.3 35.7 35.8 35.8 35.8 35.9 35.9GE 180001 14.2 23.2 25.4 28.3 31.3 32.6 33.2 34.9 35.3 35.6 35.9 36.0 36.0 36.1 36.1 36.2,E 160001 14.2 23.2 25.4 28.3 31.3 32.6 33.2 34.9 35.3 35.6 35.9 36.0 36.0 6.1 36.1 36.2GE 14UO 1 14.3 23.3 25.4 2s.4 31.4 32.7 33.3 35.0 35.4 35.6 36.0 36.1 36.1 36.2 36.2 '6.2GE 120001 14.5 23.8 25.9 29.0 32.1 33.4 34.0 35.8 36.2 36.4 36.8 36.9 36.9 37.3 37.0 37.0
GE 100001 15.7 26.6 28.9 32.4 35.7 37.1 38.0 39.9 40.3 40.6 41.0 41.1 41.1 41.1 41.2 41.2GE 90001 15.8 27.1 29.5 33.2 36.6 38.1 39.0 40.8 41.3 41.6 4?.n 42.1 42.1 42.1 42.2 42.2GE 8C0O0 16.1 28.3 31.0 35.0 38.5 40.0 41.0 43.
0 43.5 43.8 44.2 44.3 44.3 44.4 44.4 44.4GE 70001 16.2 28.6 31.4 35.5 39.1 40.6 41.6 43.6 44.2 44.5 44.9 45.0 45.0 45.1 45.1 45.1GE 67001 16.3 29.0 31.8 36.1 39.8 41.3 42.3 44.4 45.0 4S.3 45.7 45.9 45.9 45.9 46.0 46.0
GE 50001 16.9 30.8 33.8 38.5 42.6 44.2 45.2 47.5 48.1 48.4 48.8 48.9 49.0 49.0 49.1 49.1GE 4501 17.7 32.0 35.1 40.0 44.1 45.8 46.8 49.1 49.7 50.1 5n.5 60.6 50.7 SO.7 50.8 50.8GE 41o01 19.8 35.6 39.
1 44.3 48.7 50.5 51.6 54.1 54.7 55.1 55.6 55.7 55.7 55.8 55.9 55.9GE 35001 20.8 37.5 41.1 46.6 51.0 52.8 54.0 56.7 57.2 57.6 58.1 58.3 58.3 58.4 54.4 58.5GE 30001 22.7 41.2 44.9 50.8 55.5 67.4 58.7 61.5 62.1 62.4 63.0 63.1 63.2 63.3 63.3 63.4
GE 25001 23.3 42.7 46.7 52.9 57.7 59.7 61.2 64.1 64.8 65.2 65.7 65.9 66.0 66.0 66.1 6b.IGE 20001 24.0 44.4 48.7 55.1 60.? 62.5 64.1 67. 1 67.8 68.2 68.8 69.0 69.1 69.2 60.2 69.2GE 18001 24.4 45.8 53.3 56.9 62.2 64.6 66.2 69.4 70.2 70.7 71.3 71.5 71.6 71.7 71.8 71.8GE 15001 25.0 47.8 5.6 60.0 65.7 68.3 70.0 73.4 74.2 74.9 7S.1 7S.8 75.9 76.0 76.0 76.0GE 12001 25.5 49.2 54.3 62.4 68.5 71.4 73.2 76.8 77.9 78.6 79.7 79.5 79.6 79.7 79.8 79.8
GE 10001 25.5 49.4 548 63.2 69.6 72.6 74.4 78.3 79.4 80.3 81.0 81.3 81.4 81.5 81.6 81.6GE 9001 25.6 49.7 55.2 63.8 70.6 73.8 75.6 79.6 80.9 81.9 82.6 82.9 83.1 83.2 83.3 83.3GE BO0 25.6 vD.1 55.b 64.5 71.7 75.1 77.1 81.3 82.7 83.9 84.8 85.2 85.4 85.5 86.5 85.6bG 7001 25.6 50.3 55.9 65.2 72.9 76.5 78.7 83.2 84.7 46.1 87.1 87.6 87.8 81.9 88.0 88.GGE 6001 25.6 50.3 55.0 65.3 73.1 77.0 79.2 84.3 86.0 47.7 88.9 89.4 89.6 89.8 89.9 09.9
GE S001 25.6 50.3 65.0 65.4 73.4 77. 6 79.8 85.S 87.5 49.5 91.0 91.6 92.0 92.3 92.4 92.5GE 4001 25.6 50.4 56.0 65.6 73.5 77.7 80.2 86.3 88.5 90.8 92.7 93.7 94.4 95.0 95.1 95.2GE 3001 25.6 s0.4 56.1 65.5 73.6 77.8 80.4 86.5 88.9 91.4 93.6 94.7 95.7 96.7 96.8 97.1GE 7001 25.6 50.4 65.1 65.5 73.6 77.8 80.4 86.6 89.0 91.6 93.8 95.0 96.1 97.5 97.7 98.5GE 1ol 25.6 S0.4 56.1 65.5 73.6 77.8 80.4 86.6 89.0 91.6 93.9 95.1 96.4 97.9 98.2 99.8
GE 0 25.6 50.4 56.1 65.5 73. 77.8 80.4 46.6 89.0 91.6 97.9 95.1 96.4 97.9 98.2 100.0
.. .. .............................................................. ..... .......... ........ ...............................
TOTAL NUMBER OF OBSERVATIONS: 3992
GLOBAL CLIMATOLOGY BRANCH PERCENTAGE FR-QUENCY OF OCCURRENCE OF CEILING VFRSUS VISIBILITY
USAFETAC FROM HOUqLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
SIATION NUMBER: 063250 STATION NAME: ZIERIKZE[ NL PEPIO0 Of RECORO: 77-6?MONTH: ALL HOURSILSI|: ALL
CEILING VISIBILITY IN STATUTE MILLS
IN I GE GE 3E GE GE 02 GE GE GE GE GL GE GE GE GE GE
FEET I 10 6 5 4 3 2 112 2 1 1/2 1 1/4 1 3/N 5/8 112 "/16 1/ 0..... ° .... . . . . . . . . . . .. . . . . . . . . ................................ ........... ............ ' ... . . . . .
NO CEIL I 1,.2 25.3 27.4 30.5 32.0 39.2 35.0 36.9 37.6 38.3 38.6 38.7 38.8 39.3 39.0 39.S
GE 2000 17.6 29.7 32.2 36.0 38.P 90.3 N 1.3 43.9 44.2 95.0 4-.4 45.5 45.7 95.A 95.9 9b.2
GE 180001 17.7 29.8 32.3 36.1 38.9 90.4 9 1.9 93.6 49.3 45.2 4r.5 45.7 95.8 96.0 96.0 96.3
GE 160001 17.7 29.8 32.3 36.1 38.9 40.4 91.9 43.6 44.3 95.2 91.5 9S.7 95.8 46.3 96.0 96.3bE 141001 17.7 29.9 32.4 36.2 39.3 0.6 N1.6 N 3.7 44.5 45.3 4%.7 45.9 96.0 96.1 96.2 96.5GE 1200 12 18.0 30.6 33.2 37.0 39.9 91.5 92.5 9.7 95.5 96.4 46.7 96.9 97.1 97.2 47.2 97.6
GE 100001 19.7 39.3 37.2 41.5 49.7 46.4 97.5 99.9 50.7 51.6 52.0 52.2 52.9 52.5 52.6 52.9GE 9G000 20.2 35.5 38.5 43.0 96.3 46.0 99.2 51.6 52.5 53.4 53.8 59.0 59.2 54.3 59.9 59.7GE 87001 2n.9 37.2 93.4 95.3 98.7 50.5 51.7 59.3 55.3 56.2 56.7 56.9 57.1 r7.2 57.3 57.6(.E 7C002 21.1 37.5 93.6 95.7 99.' 51.1 52.3 59.9 55.6 56.6 57.3 57.5 57.1 57.6 57.9 58.2GE 6C000 21.2 37.9 91.2 96.2 99.7 11 6 52.9 55.5 56,5 57.5 57.9 58.2 58.3 58.5 58.5 58.9
GE 59001 22.1 39.7 93.3 98.5 52.2 59.2 55.5 56.2 59.3 60.3 6n.R 61.0 61.2 61.3 61.9 61.7GE 9!001273.0 41.4 95.1 50.5 54.3 56.9 57.7 60.5 61.5 62.6 63.1 63.3 63.5 63.7 63.7 64.1GE 4o00 25.1 45.3 47.3 55.1 59.1 61.3 62.6 65.6 66.7 67.8 68.3 68.6 68.8 68.9 69.0 69.3GE 35C01 Z6.3 47.5 51.7 57.8 61.9 69.1 65.6 68.6 69.7 70.8 71.q 71.6 71.8 72.0 72.0 72.4EE 30001 27.6 50.1 54.6 61.u 65.3 67.7 69.2 72.3 73.5 79.7 75.2 75.5 75.7 75.8 75.9 76.2
GE 2501 28.5 52.1 55.7 63.9 68.3 70.9 72.0 75.3 76.5 77.7 7P.2 78.5 78.7 78.9 70.9 79.3GE 2'0GI 29.3 53.8 58.7 65.6 70.9 72.9 79.5 77.9 79.2 6O.9 81.0 81.2 81.5 81.6 61.7 82.0GE 18001 29.8 55.0 63.0 67.2 72.1 79.7 76.3 79.8 81.1 82.3 87.9 83.2 83.4 83.6 83.7 89.0GE 15001 30.3 56.4 61.6 69.1 74. 77.0 78.8 82.9 83.7 65.1 85.7 85.9 86.2 86.3 86.4 96.7
GE 12001 30.7 57.3 62.5 70.7 76.r) 78.9 80.7 89.6 66.0 R7.3 88.7 68.3 88.5 88.7 88.8 89.1
1.E 1001 30.7 57.5 63.1 71.1 76.6 79.6 81.5 85.5 86.9 88.3 89.1 89.9 69.6 89.8 89.8 90.2GE 9001 30.7 57.7 63.4 71.5 77.7 80.3 82.2 86.3 87.8 89.3 91.1 90.9 90.7 90.6 90.9 91.2GE 8001 30.7 57.9 63.7 72. 1 77.9 81.1 83.1 87.5 89.1 93.7 91.6 92.0 92.2 92.4 92. 92.8
GE 7002 30.7 58.1 63.9 72.5 78., 81.9 8.0 88.6 90.3 92.1 93.0 93.4 93.7 93.9 93.9 99. 3GE 6001 30.7 58.1 64.0 72.7 78.9 82.3 89.9 89.3 91.2 93.1 94.1 94.5 99.8 95.0 95.1 95.5
GE 5U02 30.7 58.1 6%.2 72.8 79.1 82.6 89.8 89.9 91.8 93.9 95.1 95.6 95.9 96.2 96.3 96.6GE 4001 30.7 58.1 69.1 72.6 79.2 82.7 85.0 90.1 92.2 99.5 95.7 96.3 96.8 97.1 97.2 97.5
GE 3001 30.7 58.1 b9. 72.9 79. 92.7 85.0 90.z 92.9 99.7 96.0 96.7 97.3 97.7 97.8 98.2
GE 2002 30.7 58.1 64.1 72.9 79.2 82.7 85.0 90.3 92.9 99.8 96.1 96.9 97.5 98.1 98.3 99.0GE 3001 30.7 58.1 69.1 7Z.9 79. 82.7 85.0 90.3 92.9 ,99.8 96.2 96.9 97.6 96.3 98.5 99.8
GE 0I 30.7 58.1 64.3 72.9 79." 8 .7 85.0 90.3 92.9 99.8 96.Z 96.9 97.6 98.3 98.5 100.0
TOTAL NUMBER OF OBSRVATIONS: 53R20
*
A
GLOBAL CLIMATOLOGY BRANCH PERCEVIAGE FREQUENCY OF OCCURRENCE OF SKY COVER
USAFETAC FROM HOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: 063253 STATION NAME: ZIERIKZE NL PLPlOD OF RECORO: 18,0-81
MONTH: JAN... .. I .I. ,,. . .. . . . . .. . . . . .. . . . ......,. , . I H .... .o. .. ... , .. ..... ...... o --... o....... ..... .
PERCENTAGE FREQUENCY OF TENTHS OF TOTAL SKY COVERHOURS I TOTAlILSTS I 0 1 2 3 N 6 1 8 9 10 MEAN 08
.. .. . .. . .. . .............,.,......,... .. * .. . ... . . . .. . . . . .. . . . .. . ..,. . ......°. ,,, .. .,.,. ,.. . .
U0-OZ I 2.1 9.7 6. 1 5.0 3.0 3.9 6.7 9.5 N3.N 6.6 463
U3-05 I 5 .N4 10.9 6.6 2.9 N.1 2.7 5.9 9.3 42.2 6.3 143
06-08 9.6 7.8 8.2 N.3 2.9 4.9 6.4 10.1 45.8 6.9 513
09-11 3.1 10.8 6.1 N.3 4.3 4.7 9.2 20.0 37.4 ?.Z Naq
12-1I 3.4 8.8 3.8 5.1 3.6 4.3 6.1 24.9 37.9 7.5 S55
15-17 3.9 7.8 5.9 .6 2.6 N.3 9.S 22.1 39.3 7.5 461
18-2a 5.3 a.7 6.0 5.3 3.5 3.5 7.1 13.3 47. 3 7.4 566
21-23 10.9 6.5 5.9 5.N 3.1 2.5 5.16 13.8 96.2 7.1 N18
TOTALS e .0 8.9 6.2 .6 3.8 3.9 7.3 15.4 42.4 7.1 3965
..............................................................................................................................................
STATION NUMBER: 063250 STATION NAME: ZILRIKZE! NL pERIOD oF RECORD: 1-8MONTH: FEB
PERCEVTAGE FREQUENCY OF TENTHS OF TOTAL SKY COVER
HOURS I TOTAlILSTI 1 0 1 2 3 N 5 6 7 a 9 10 MEAN OBS
............................................................................................................................................00-02 29.5 5.4 6.8 2.9 1.2 2.1 4.9 8.5 38.8 5.6 577
03-05 29.8 6.4 3.8 N.2 1.7 2.9 2.6 8.8 39.8 5.6 578
06-08 19.2 10.0 5.3 5.0 2.6 1.9 4.0 9.5 N2.N 6.1 620
09-1I 11.2 11.9 4.5 3.5 8.0 S.N 5.8 20.1 34.0 b.b 606
12-1 1 30.5 12.2 6.8 6.0 2.6 N6 6.2 20.1 30.9 6.8 6N7
15-17 12.8 12.2 3.8 3.9 3.3 N.9 7.1 19.2 32.1 6.8 608
18-20 13.4 11.3 S. 3 .7 2.7 5.8 5.3 1S. 36.1 6.8 657
21-23 24.6 1.3 4. 1 6.1 2.5 3.5 4.O 9.1 18.9 5.9 66
TOTALS ... 8.9 9.6 5.3 N.5 2.6 3.9 4.9 13.8 3b.7 bI 899
. .. .. . . . .... . . :9 .. . . .... ..... .. ... . . . .. .
tLOBAL CLIMATOLOGY BRANCH P[RCL41AGE FREQUENCY OIF OCCURRENCE OF SAT COVERUSAFETAC FROM HOUJOLY OBSERVATIONSAIR uEATHER SERVICE/MAC
STATION NUMRLA: 063250 STVT1o#. NAME: ZIFRIAZEE- NI P10300 CF PLEOFTO: TA-AT7MONTH: PAP
................................................................................................................................................PERCEIlASE FREQUENCY (IF TENTHS OF TOTAL SKT LOVER
HOUR Is I OTA:TEST) I 1 2 1 A ct 6 7 4 9 10 ACHAN OHS
00-02 I 0.9 A8.6 L.A 3.A 2.4 4o.31 5.4 4.4 42.6 6.2 631
03-0S I 1 2.4 7.0 5.8 4.5 2.6 41.5 5.0 9.1 40.1 6.1 614
06-0A 11 .3 10 .2 4.A 3.9 1.9 %.9 1.4l 15. 3 41.0 6.A 693
09-11 1 7 .3 9.3 A.?7 5.5 2.8 3.9 5.13 24.5 36.6 7.31 674
12-14 I 6.9 8 .2 S.9 41.8 3.2 4.9 7.9 25.2 33.1 7.3 7 11
15-7I? 6 .3 10.2 1. 1 4.2 3.4 7.3 4.6 25.3 32.6 6.9 64A
34-20 I 6.1 32.9 7.2 4.2 3.5 5.6 6.4 22.3 31.8 6.7 708
21-23 I 5.9 7.7 t.. 3 5.0 3.3 3.A 6.3 13.A IA. 1 6. 4 640
TOTALS I 12.0 9.3 S. 7 4.5 2.9 4.9 6.0 1A.0 36.9 6. 7 5323
...............................................................................................................................................
STATION NUMBER: 063250 STAT IONJ NAME: Z1FRIK ZE NL, pEPIOD Or RECORD: lA-A?MONTH: APR
pERCEITAGE FREQUENCY OF IENTHS OF TOTAL SAT COVERHOURS ITOT Al
(IST) I1 0 1 2 3 4 5 6 7 8 9 10 MEA4 ORS...............................................................................................................................................
00-132 21 2.7 11 .1 6.A .4.3 3.6 4 . ? 4.5 12.7 33.2 5.5 577
03-05 2U7.0 113.5 7.8 4.2 2.0 4 .7 7.8 9.8 32.2 S.6 550
06-08 b 6.9 15.5 7.5 5.0 2.4 4.8 7.2 25.0 25.6 6.4 624
C9-3I1 I 7.6 13.2 6.9 5.3 4l.31 4 .9 5.8 22.9 31.3 6.1 607
12-14 S .9 1t3.1 e. 3 5.3 4.1 ".5 8.5 24.7 25.6 6.6 660
15-1? 5 5.7 35.8 6. 1 5.3 4.9 6.2 6.9 25.0 24.1 6.4 609
18-20 I 6.3 27.40 10.8 6.3 3.8 6.2 7.4 19.4 22-5 5.9 650
21-23 I 12.0 19.0 10.6 4.3 2.9 4.7 5.2 12.1) 29.5 5.5 559
us4TOTALS. I 10.:a. 14. V.3 !* 35 5.3 6.?7 18.9 27.8 6.3 483
........ : 1 ....... ........................2. ....
C0I0.60L CLIMA10003Y BRilANCH PtItLLIlAGE FREQUENCY OF OCCURRE.NCE Of SKY COVERIJSAFEtFAC FROM HOURLY OBSERVATIONSAIR uEATHEO SERVICE/MA(
STATION NUF'OLP: U63250 ST AT I N NAME : ZIF R IN ZE NL PEIO1U Of RECORD: 78-86MONTH: PAT
PfRCIAAGE FREQJUENCY (IF TENTHS OF TOTAL SMY COVERHOURS I TOTAItLSTI 1 0 1 2 3 4 5 6 7 A 9 10 MEA4 0HS
G0-02 ?U'.) 13.2 5.9 S- 3.13 2.5 ',.6 12.13 31.4 1 .6 478?
03-05 11.9 16.3 a.9 3.S 2.0 6.1 9.1 16. 1 2S.4 5.0 429
06-08 6 .5 13.0 7. 3 4.8 3.7 6.5 7.8 22.5 27. 7 6.5 637
r9-I 11 5.9 12Z 0. 9 5.3 4.3 6.5 7. 1 22.2 27.8 6.5 492
12-14 4 N.1 14.3 7.6 6. 3 5.0 1.4i 9.9 11-.3 27.9 b.5 537
IS-17 5 5.3 17.2 0. 3 5.5 6.0 4.9 9.6 21.1 22.1 6.1 4170
18-20 I 6.2 19.0 7.6 7 .4 3.7 5.6 10i. 3 19.6 20.0 5.0 516
21-23 8 .6 -0.2 10.0 6.3 3.4 6.1 6.6 16.0 22.0 5.5 441
TOTALS I 8.6 15.0 P.1I 5.6 4. 0 5. 7 0.3 30.5 25.5 6.3 39U0
517T0O NUHRER: 063250 ST AT ION NAME: 71E0302E- NL T'rPIOU OF RECORDO: 77-86MONTH: JUN
pEOLE4TAOE FREQUENCY OF TENTHS Of TOTAL $NT COVERHOURS I TOTAl(ST I r 1 3 41 5 6 7 a 9 10 MLA4 00$
UO-02 13 3.3 17.7 7.9 1.0 S.3 41.0 7.2 33.2 26.5 5.% 430
03-05 I 10.2 11.5 10. 0 5.9 6.6 3.7 6. 3 19. 3 24.6 6.3 410
06-08 a 8.1 30 .6 7.0 6.7 2.3 5.0 7.4 23.1 20.1 6.6 566
1;9- 11 7 7.6 12.2 5.4 6.3 6.3 7.,I 0.3 23. 1 24.0 6.4 543
12-14 6 4.5 13.8 6.9 7.6 6.3 8.7 0.0 23.2 21. 3 6.3 57R
15-17 I 5.2 15.0 7.5 7. 3 5.0 6.0 10.4 22.9 39.5 6.2 519
18-20 3 7.3 1-1.4 5.9 5.9 5.0 7.0 13.6 22. 9 10.2 6.1 577
.1-23 S 5.1 17.3 9. 9 6.2 3. 7 9.2 0.5 20.3 19.0 5.9 434
TOTALS I .71 14.2 7. 7 6.6 5.1 (.S 0.0 20.0 22.8 6.3
%as0
GLObAL CLIMAIOLOGY BRANCH PfRCE41801- FREQULNCY nF OCCURRLNCE ') 'Y (OVg
USAVEOAC FROM HOURLY ObERV*ATION
Alp wrAIHER SERVXCE/MA(
STA1ON NUaFR: U63250 ST1*10N NAM[: 7IFRiK.8'. NL "'f01Ou Of (1COR0: 71-8bMONTH: JUL
PFRCLI IAG[ FREQUENCY Of TENTHS OF TOTAL SKY (3Vt1R
HOURS I IOT iTISTI I r 1 2 5 f. 7 9 10 WEA Otis
L0-02 19 .6 19 .0 P. 2 .8 3.6 4.6 6.9 12.9 '6. 3 ". 1 99
U5-05 9.7 . 6.3 6.4 b.6 2.7 o.1 9.9 14.5 .5.9 6.J 986
C.b 08 7 .9 1 . .9 6.5 9.3 3.3 .6 9.b 27.4 '9.65 6 "5 35
09-11 16 .9 11 .0 6. 9 7.6 9.9 7.9 7.9 25.0 21. I b'S 607
12-11S 4 .8 12.8 7. 9 5.6 6.6 7.6 10.9 ?6.? 17.6 6.9 691
5-17 7.2 |35.5 7. 3 6.8 6.1 7.0 9.0 29.9 36.0 5.9 587
18-20 9.8 16.0 8.5 7.7 9. 7 6.8 7. 25.9 13.2 5.6 bb
21-23 1 9.3 ?9.0 8.6 5.8 9.7 6.8 C.5 '0.3 20.1 5.S 513
TOTALS 1 6.5 15.3 7.5 6.2 9.6 6.2 8.3 22.6 ?0.9 6.3 9635
5TATI0N NUMBL: 06325r) StATIO NAME: ZIERIKE. ME. PlRO0 OF RECORU: 77-86
MONTH: AU,
PERC(.3389 FREQUENCY OFr TENTHS Or TOTAL. SKY LOWER
HOURS I 1051
TEST) 1 1 1 2 3 9 5 6 r 8 9 t0 MIA O5
00-02 29 .8 3L.5 9.6 6.0 2.9 9. 3 6.9 9.2 20.5 A..5 533
0 3-o5 I 16.3 !, .1 6.9 6.9 5.1 5.3 9.6 15. 3 0.9 5.3 509
06-08 7.1 13.6 7.9 5.9 3.7 7.7 9.1 26.5 18.0 b-? 649
ug-II 7 Z 12.4 6. 1 6.9 7.8 8.0 1 3.3 25.5 15. 3 6.2 639
12-14 1 7.2 12.8 7.0 6.9 5.8 6 9 12.2 25.5 I5.7 b.? 655
15-17 8.0 39.3 9.6 8.6 8.0 8.5 8.3 22.3 12.9 5.6 639
31-20 8.3 18.5 11.2 8.6 S.2 7.0 .9 21.2 33.6 5. 6:8
23-2 3 18.0 21.3 a.9 1.9 3.7 9.0 7.0 13.6 36.3 9.6 5S5
TOTALS . 12.1 15.7 8.3 7.2 5.2 6.5 9.0 39.9 16.3 5.5 .. 83 2
. .. .............. ............ .......
tO11AL. CLIMAIOI.ObV 99*9tH P16llt291*6 IR~gULNCY OF UCCURRENC& lf ', tapiR?USAFVC SAC rmo., HOu;tLY O61fpv~rtotSAIR WEATHER SIRR ICE/MAC
STATION NUW%(P: C'tC 52*, 0 ', IA R V AMS: ,If R IP/ A I ItI"100 f. i46c00: 17-Pb
pIRpC(IqIA(.! FRi gij kCV F 4IIHS Of TOI*: SOY ( OVI RHOURS I Iota#Isl I b , 9 10 119 08
20-0!2 1 2.6 . 1;1 6b.7 1 4. 1 .2 90.9 5%1 1 1.9 25-.9 9.1 , I
L; - rS 1 1.8 11 .9 A.3 6.0 1. 1 2.9 #.6 I. 2 71.27 .1.4 1 59
o6-06 1 7.1 11. a8.2 5 .8 5.6 9.9 H. 21.2 '9. 6.S 621
Ll I2 6 .9 9 .9 6. 9 S.% 12 6.9 .9 ?F9. 9 13. 6.7 9
121 I 5. 9.1 9. 6 ?.6 6.! 5 .? 6. 7*j 26 b ~ 67
65I I 61 10.6 10. 1 1.1 5.1 6.I 1q. 7 2%. 19.5 6.1 6Hr
195 I .9 15.2 10. 2 7.6 6.4 6. 1 4.0 221.9 l6.5 5. 656
II73 i .?1 16 .6 11.6a 5.2 4.% 6. 3 0. 1 .0 21.3. 5. I S97
TOTALS I 11.9 12 .1 9. 3 6. 1 9.6 S.9 1.0 J 20.2 22.6 5l.1 4 11S
S I AtI10 NUrRIR 0: 06125.3 "0 7S*AT Of NAME - ?ItR IK2UE NI. rl p'Iou (F aiC C)~n 7.19 -Sb
PIdCE1*S( FREQUENCY Or lEwi"HS or vut SKY LovR
HOURS 1 TOT41
tLSI? I L I 2 1 9 5 6 1 A 9 Gj -[AS 095O
.. . . ..................................................................................
or)- 02 I 11.6 11.5a.0 g,9 5.3 3. 7 94.6 bb.. 12 .3 lU.2 51.71 596
c 1-05 I 2.6 12 .2 6. 9 6.5 2.0 1.6 A.7 12.2 32.7 5. 7 55s2
05-08 7 1.6 21 5.9% 6. 1 5.3 7 .71 9.1 Ib.Q 30.21 6.9 607
9- Il I S .0 20.9 9. 5 9.7 9 .1 6.9 b.9 21.90 77.9 1.3 595
12-2 1I 4 .9 20J.5 1.j 6.5 9..6 6. 6. 9. 1.6 6.9 6 37c
I11 I 9. I .7 1.9 7.2 3.9 1.2 1 u.s 21.2 25.0 6.6 569
I A- 20 6 6.9 7.5 6.2 6.6 9.1 7.0 7.0] 16.6 27.2 6.1 b0o
1I-23 2 16.1 17t..2 1. 9 6.9 3.0 1. (6.9 11.6 '2.5 S. ; 569
10790 I I1 2167? .i .0 S. 0. 16.0 29.2 6.3 9661
-do
GLObAL CLIMAIOLOGY PRV4CH PfPC(tIIAGE tREQUL.Y OF UCCURRLNCT OT ',V £LOVfRUSAF TAC FROM HOUqL
V O SLRV*Tl0ON
AIR Wf IAT..W SERVICEI/At
ST|AIION MUARTQ: 06 12'. STATInk .ANE: ., IkI: AL Ti 01 30 K0 LCJRO: 7?79-86
MONTI.: NOV
pfLIIl 1A5. rRI EUENCY OF TENIHS°OF 1OTAL SKY (OVER
HOURS TOT lII LsTII I A I 1 A 6 7 A 9 13 MT AN OHs
3)-02 1 .2 V.1 9.5 b.1 1.2 5.A 1 .13.4 6.2 6.3 99
j I-Us 15 .4 9 l. 1 7. 1 3. 7 3.3 4.6 4.2 11.0 19. 1 6.2 95 5,
6-08 IL .1 I30.6 1., . 3 2.0 6. 1 8 . ) 14.9 R. 1 6. 7 540
9-1 1 . 1 1.A S.6 5.0 3.1 5.8 m9.5 '8. 2 32.5 7.9 4 6
A-A A 3.9 7.9 b.5 b.1 3.2 3.9 8.I 28.2 '1.9 1.3 Sb?
I-A A 7 3.1 9.3 7. 1 1.5 5.1 b.5 1. 25.9 21.8 6.9 493
b2- 6.1 9.5 7.9 5.6 9.5 6.1 V.3 16.9 '5.u 6.8 55S
1-23 I2.6 110.1 b. 3 3.2 9.8 5.3 b.I 12.b 18.1 6.9 475
TOTALS A .6 9.9 1. 0 5.2 3.5 S. 3 7. 3 18.8 34 .9 b.9 9ob2
STAIION NUMBER: 063250 STATION NAME: ZIFRIKZt: NL PERIO0 OF PECuRU: 77-86MnH: OtC
...........................................p.RC.......°.R..U..C...r * ; .N .. .. " .; ...* ...... R................................
pERCEVTOSE FREQUENCY TIE TENTHS Or TOTAL 5KY COVER
HOURS I TOTAl
IL519 I 0 I 2 3 A 5 6 7 9 9 AD "1A* 065
• .. .. * ..... .... . ......... .. o ............. *.....*o..................................... o
00-02 I 12.3 8.9 9.5 5.1 3.8 5.1 S.5 10.6 39.2 6.9 912
03-05 I 1. 1 12.7 8.5 4.0 1.9 9.5 6.6 11.6 19.2 t.4 9i%
Ut-08 I 7.2 8.3 6.1 9.8 9.2 9.2 7.4 13.b 99.2 7.2 5l
0o-Il I 1 .9 9.2 9.8 .9 9.2 5.b H.6 25.3 11.9 7.6b 1A
AZ-1A 1 .17 ILI. 5. 0 6.9 3.5 9., 8.0 29.3 35.9 l.4 Sib
15-17 .6 11.1 9.7 .9 3.6 9.9 7.y ?.0 34.5 7.1 910
1-20 5.9 11 .1 5.9 9.3 2.0 5.9 8.1 15. 1 1.8 7.1 559
21-23 I1 .? 6.9 6.5 3.1 9.9 5.2 1.A 11.9 93.2 6.1 979
TOTALS 6.6 9.8 6. 9 4.4 3.5 5.0 1.9 17.1 09.9 7. 900........................................................................................................................
(GLObAL CLI|AIOLObL FRANCH PRC(.4TAE FREQUENCT OF OCCURRENCE OF SPY L0VER
USAF(IAC FROM HOULY OBSERVATIONS
AIR w(AIH(R SERVIC./MAC
STATION NUPRLR: 063250 SIAtI % NaME: ZIFRIKZ[E 4L E PO0 OF RECORD: 77-87
MONTH: ALL
PRCE.ITAGE FREQUfENCY OF TENTHS Of TOTAL SKY LOVER
HOURS II 1Ai
ILSI) I I 2 3 8 5 6 7 8 9 I'l P[A4 365
JAN ALL ;4.J 8.9 62 8.6 3.8 3.97
FEp 18.9 9.b S.I %.S 2.b 3.9 1.Q 13.8 '6.7 b.1 8899
MAR 12 .0 9.3 5 *7 0.5 2.9 4.9 b.J 18.0 16.9 6.? 532
APP 1 ,8 14 .1 8.1 5.0 3.5 5. 3 F. 7 18.9 ?7.6 b.1 403.
MAY 6 .6 ll .6 8.1 5.6 4.0 5.7 8 .3 18.5 25.S 6.) 39G0
JUN 7 .7 18.2 7.7 6.6 5.1 6.5 6.8 Z3.8 22.8 b.1 8055
JUL d .5 15.3 7. 5 6.2 8.6 6.2 8. 22.b 20.9 b.3 4635
AUG 12.1 15.? b.3 7.2 5.2 6.5 9. 19.9 16.3 5.5 483.
5(p 1 1 .9 12.1 9. 3 6.1 8.6 5.8 8.0 20.2 22.6 5.9 4738
OCT IC.i 11.6 7.2 b.3 8.1 S.7 8. 0 18.0 29.2 6.3 46b7
NOV 8.6 9.8 7.0 S.2 3.5 5.3 7.3 18.8 !4.9 6.8 4062
DEC 6 b .6 9.8 6.9 9.8 3.6 5.0 7.8 17. 1 19.4 7.) 8000
TOTALS Ic .3 1..2 7. 3 5.5 3.9 5.8 7.5 18.5 29.b 6.3 53908
I
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ppppppp p LAAA "R R ARRA R TTTTITTTTT EEEC E
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PPPPPPPPP At A AA PIIRR RRR RR TI EEFrIEPPPPPPPP AfAAAAAAAA R PRRRPR I FLE41LPP DIAAAAAAAA R PP TRI E IPP L A A Pr PP T I E
PP A A AA R T RP T I FL[tfLF[FEt
PP A A AA PR R R TI tEETTCAfI[C
TLMPTRITURE AND RELATIVE HUMIDITY SUMMARTES
CUMULATIVE PERCENTAGE FREQwENET OF OCCURR[NCE OF DAILY MAXIMUM (MINIMUM ANO MEANT TEMPERATURES
PLRCCNTAGL TALULATIOtNS PEESLNIED BY '-DEGREE FAHRENHEIT INCREMENTS PLUS THE MEAN. STAND 0EV-IATIONS AND TOTAL OSEPrVAIION COUNT.
THE MINIMUM TAPLE ALSO INCLUDES A '3 DEGREE FAHRENHEIT VALUE.
SINCE TM
NY STATIONS/SITIS D0 NOT HAVE MAXIMUM/MINIMUM THESE TLMPERATURES ArTE SELECTED BY SCAN-
NJING [HE HOURLY OBSERYVTIONS FOR THE HIG4EST AND LOWEST VALUES.
STATISTICS DO NOT INCLUDE INCOMPLETE MONTHS.
FORE OR MORE CTTMPLE IL MONTHS ARE REQUIRE) FOR COMPUIING
EXTREME MAXIMUM AND MINIMUM VALUES
DATA DERIVED FROM EXTRACTING THE HIGH AN) LOW TEMPERATURES FROM THE HOURLY OPSERVATIONS.
PRESENTED ARE THE HIGHEST (LOwEST) TEMPERATURE FOR THE MONTH FOR EACH YEAR.
ALSO PRESENTED ARE STATISTICAL VALUES WITH THE SAME LIMITATIONS MENTIONED ABOVE.
AN ASTERIST IN(ITCATES AN INCOMPLETE 0PO14.
MEANS AND STANDARD nEVIA TIONS FOR URY BILB (T BULB AND DEW POINTI TEMPERATURES
DATA DERIVED FPO HOURLY ORSERVATIONS.
DATA PPLSENTEG BY T14E ITANOARU S-HnUR TIME GROUPS BY MONTH. MONTHLY AND ANNUALLY IALL YEARS COMBINED).
PRFSENTEU ARE "LAS, STA'DARD DEVIATION AND OSERVATION COUNTS.
CUMULATIVE PLRCENTAGE FRECUITy OF OCCU0RENCE Of RELATIVE HUMIDITY
OATA UFRIVED FROM HTURLY OPSERVATIONS.
SUP*MARIZED BY THE 'TANTAPD 3-HOUR TIME GROUPS BY M MON. MONTHLY AND ANNUALLY (ATE YEARS COMBINFD).
PLRCENIAGE VALUES P'RDS/TTEO IN I0 IEGkF INCREMENTS OF RELATIVE HUMIDITY.
ALSO PRESENTED ARE THE MEAN VALUES AND DASERVATION COURITS.
I.i
40
GLOAAL CLIMATOLOGY BRANCH ORY-BUL- TEMPERATURES BEG F FPOM MEANS AND STANDARD DEVIATIONS
uSAFETAC HOURLY 3ASERVATIONSAIR WEATHER SERVICE/MAC
SIATION NUMBER: 063250 STATION NAME: ZIERIKZEC NL PEPIOD OF RLCORD: 77-87
HOURSI STATS I .18N rEA MAR APP MAY JUN jUL AUG sEP OCT NOV DCC ANN
LST I I
O-021 53 I 9.-03 7. 478 5.870 4.931 4.437 4.535 4.646 4.119 4.487 5.703 6.730 6.16b 1O.737ITO? OS1 NS7 577 633 572 476 429 499 534 543 545 494 41 623C
I MEAN I 34.8 32.9 38.4 43.0 N8.7 55.0 S8.7 59.4 56.0 .0.5 45.1 38.8 46.63-o5l S I 9.862 7.417 6.20U 4.665 4.286 N.267 N.096 N.113 4.b.6 5.691 6.744 6.145 10.796
Io OB1 N44 576 bIN 545 429 410 N86 508 51 551 455 424 S950
06-081 Sr I 8.989 7.853 6.096 4.602 4.470 4.248 4.270 3.833 4.360 5.789 6.483 6.089 10.961ITO OBSI 509 618 692 bzz 537 566 634 648 b19 6D 539 54; 714
I MEAN I 36.3 34.4 43.8 47.8 54.5 60.3 64.0 64.4 '. 9 52.9 46.3 39.7 571.4
U9-11I SO I Z6S 1.194 5.871 6.147 5.709 5.914 5.836 4.37b 3.996 5.150 6.562 5.867 11.990ITOT OoSI 484 636 67U b0 489 541 607 639 596 594 483 477 6786I.. M'E8T4 I 37;:. . 37 . . 44. . 50.8 7. ;3 6.. 22..4 662. . 67.0 6..;2 . . 562. . 48.0 1. 5.... 8"
12-141 50 I 7.921 6.862 5.55U 7.171 6.893 6.735 6.775 5.44 4.897 5.228 6.770 6.324 12.23d
I fOr OPSI 548 643 711 659 537 578 646 657 648 631 567 5i 7399
15-171 SO I 8.104 b.512 5.445 7.733 7.116 6.901 6.941 5.657 5.220 5.257 6.S14 S.88u 12.21bITOT O8S1 457 608 647 608 411 520 586 615 611 568 493 467 651
I MEAN 3b.5 36.2 42.5 48.6 S4.9 60.9 64.9 64.5 6u.0 u 3.7 461 43.9 51.018-201 50 I 8.363 6.789 5.341 6.741 6.284 6.219 6.307 4.882 4.661 5.501 6.732 6.009 11.86a
ITOT OSI 564 656 71 648 515 580 661 686 .Sb 599 555 558 7389
I MEAN I 35.7 34.6 43.1 45.8 51.7 S7,8 61.4 61.6 57.5 SI.? 45.7 29.9 48.4
so-211 SD I 8.925 7.081 5.698 5.292 4.968 4.956 5.376 4.30Z 4.483 5.575 6.931 6.301 11.431TOT OS1 q70 635 £41 553 441 434 513 546 941 569 475 480 6266
I MEAN I 36.3 35.1 41.2 47.1 53.3 59.2 63.0 63.2 59.2 52.7 4b.2 40.2 49.8ALL I So I 87?41 7.452 6.181 6.362 6.436 6,274 6.327 S.5 I 5.33 5.871 6.858 6.:21 11*765
HOUpSITO! O SI 3923 4489 5319 4807 3895 4us8 4632 833 4732 4665 4061 3993 S0l?
.. . . . . . . . . .° . .° . . °. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .°.. . . . .
ULOAL CLIMATOLOGY BRANCH WET-BULB TEMPERATURES OE6 F FPOM MEANS ANU STANDARD DEVIATIONS
USAFETAC HOUPLY 3BSERVATIONS
AIR WEATHER SVRVICE/MAC
STATION NUMPER: 063253 STATION NAME: ZIERIKZE- NL PEPIOD CF RECORD: 77-87
HOURSI STATS I JAN TEA MAR APR MAY JUN JUL AUG SEP OCT 408 DEC ANN
LST I I
I MEAN I 34 5 32.1 38. 42.3 NA.0 53.9 SA.0 58.3 5.J N9.4 43.8 385 45.9DO-o2 SD I 8.831 7.511 5.755 4.436
4.4
D6
q.304 4.417 4.052 4.373 5.500 6.533 5.874 10.353
IOT OBSI 453 572 630 56b 476 428 499 533 542 543 494 470 626° ,, ., . ,* .,.. .., °. ** . o, ,° ., o *. o, .. .. ** °, , ** .* ,. * .... ..° ... o. °. o .... °° ** * ... . ° ,
I MEAN I 33.6 31.9 37.3 41.3 46.8 53.1 57.0 51.5 M4.j 48.1 43.4 37.6 45.0
uS-051 SD I 9.449 7.787 6.029 4.442 4.395 4.165 4.045 4.183 4.447 5.460 6.598 5.784 10.467
1OT OS1 432 574 611 543 428 408 485 50B 517 550 455 423 5932
I MEAN I 34.1 31.8 37.4 41.8 48.0 54.1 57.9 57.7 54.2. 48.5 42.6 38.1 45.3
IJ6-0AI sD I 8.571 7.840 5.976 4.332 4.413 4.028 4.129 3.852 4.o97 5.512 6.804 5.710 10.495iTOT 0BSI 507 614 685 619 535 566 633 648 bi7 607 539 542 7115
I MEAN I 34.9 33.1 39.0 44.2 50.0 55.9 58.6 59.1 56.3 50.4 44.2 35.3 41.4
09-1l SD I 7.933 7.195 5.106 5.048 4.739 4.766 4.760 3.966 3.841 4.801 6.433 5.639 10.731
TOT OPS 4 482 603 668 597 487 541 604 639 592 593 480 474 6760
I.MEAN. 36.0""';[ . ... 41; .. 2 45i .. 1 51; .. 4 56; .1 60;. 5 63.4 7.3 52.1 45.2 39.9 48.6
12-141 SD I 7.613 6.948 5.415 5.330 5.173 4.957 5.077 4.116 4.211 4.794 6.604 5.64a 10.457T0 OBS 543 541 708 654 536 577 645 656 647 631 567 569 7374
15-17l SD I 7.852 6.680 5.11 5.425 5.361 4.999 5.017 4.157 4.347 4.812 6.467 5.575 13.380
TOT OPS 454 599 641 603 471 519 584 612 609 568 491 463 6614..... F' ; N°°i ''i. ; . .. .q: ... .; .. .; i . .; . .; i . .; 2 . .; i . .; : . .; . .; . . .;: . ..... . 7 ;
18-201 SD I 8. 65 6.937 5.267 5.255 4.970 4.848 5,063 4.03U 4.370 5.15b 6.700 5.764 10.525
TOT 0S51 557 651 707 646 515 579 660 685 654 598 552 553 7357
I MEAN I 34.4 33.1 39.1 43.2 48.7 54.1 58.5 58.8 55.2 49.6 43.9 "36.5 46.3
21-23 sDO I 8.603 7.186 5.642 4.657 4.6S4 4.564 4.580 4.172 4. 303 5.393 6.903 5.973 10.495101 opsl 467 6(4 63? 5S0 441 43q 512 t44 537 569 475 478 6248
ALL I SD I 8.380 1.387 5.817 5.163 5.043 4.785 4.814 4.20b 4.449 5.324 6.691 5.787 10.5731OUR0 7 TOTOBSI 3895 4858 S 79O 4178 3889 4052 4622 4823 4715 4659 4053 3972 53606.... **......... ..........-- .- ......................................................................................... ° ....
*.I
GLOBAL CLIMATOLOGY BRANCH DEw-POINT TEM'LRATURES DEG F FROM MEANS AND STANDARD DEVIATIONSUSAFETAC HOURLY OBSERVATIONS
AIR WEATHER SERVICL/MAC
STATION NUMER8: 063250 STLTIO NAME: ZIERTK2 E NL PEPIOD OF BECORD: 77-87
...........................................................................................................................HOURS! STATS I J AN FEB MAR APR MAY JUN JUL MUG SEP Oct NOB EEC A NNLS' I I
I MEATNI 3Z.2 30.2 3b.3 319.8 45.6 S2. 1 5b.4 56.b. 53.5 4.7.8 41 .8 3b.8 N3.90-02! SD I 9.554 8.902 6.45 5.091 5.335 4.736 4b43 4.5o2 4.111 S.970 7.311 6.291 I0.RS6
1TOT oCs 453 572 630 566 476 428 499 533 542 543 494 47u 6206............................................................. ............................................................
: MEAN 1 31.4 29.5 35.6 !9.2 4.8 S1.7 S5.8 S6.2 S2.5 47.2 41.5 35.A 43.203-051 SO 1 10.032 9.012 6.713 5.195 5.294 4.561 4.372 4.628 4.7R5 5.889 7.332 6.388 11.061
lOT OBS! 432 574 b11 543 428 408 485 SOb 517 550 45 423 5932
IEAN 1 31.9 29.6 35.7 T9.5 45.7 521 56.2 56.0 52.8 47.1 40.6 36.4 43.806-081 SO I 9.179 9.068 6.771 5.082 5335 4.554 4.543 4.395 4.6R3 5.696 7.634 5.963 10.968
TOT OBS! 507 614 68A 619 535 566 633 648 617 607 539 542 7115..... .'....... '..... ... ..... .... .................. ......... .. .... .... ... .... ......... .: ..... ................... .....'
I MEAN 1 32. 7 30.5 36.5 40.7 45.7 52.4 56.5 ,751 ,3. 3 48.2 41.8 36.5 44.509-Il 5 1 3.607 V.6 1 3 6.61S 5.B31 5.850 5.152 5.063 4.151 4.749 5.291 1.235 6.133 10.93
I TOT 095! 482 603 668 597 487 541 604 639 592 593 480 4Q74 6760
I MEAN 1 33.2 31.0 31.5 39.9 45.9 52. 3 56. 3 55.8 p2.9 48.6 42.2 37.6 44.512-141 S0 I 8.775 9.123 6.845 6.281 6.S47 5.337 5.379 4.797 5.265 5.679 7.618 6.035 lo. 73u
ITOT OBS 543 641 708 654 536 577 645 656 647 631 567 569 7374
IMEAN I 32.4 31. 4 37.4 40.0 46.1 S2.4 55). 8 SS.9 53. 1 48.2 42.5 37.2 44.715-171 s0 1 9.099 9.211 6.684 6.30b 6.664 5.326 5.391 4.863 5.392 5.783 7.665 6.JS5 10.761
!TOT ORSI 4S4 599 641 603 471 519 584 612 509 S68 491 463 6614
I MEAN 32-! 31.0 37.4 40.0 46.1 52.3 S6.O 56.1 43.3 48.3 41.7 37.6 44 518-201 S ! 8.967 8.863 6.425 6I'l 5.894 5.194 5.b6 4.699 5.136 5.770 7.595 b.168 10.827
1TOT OBSI 557 651 707 646 515 579 660 685 654 598 552 553 7357
SMEANI 32.0 30.3 36.9 40.2 45.7 52.4 56.5 S6.8 53.5 47.7 I *. 36.6 44.021-231 So I 9.495 8.823 6.552 5.367 5.626 4.967 4.838 4.675 4.741 5.967 7.841 6298 l1.089
ITOT OBS! 467 604 637 SSO 441 434 512 544 537 569 475 478 624................................................. ..2.................................................................;.......I MEAN I 32.4 30.5 36.7 39.8 45.7 S2.2 56.2 56.2 S3.1 47.9 N1.7 36.9 44.2
ALL I SO I 9.195 8.970 6.677 5.713 5.858 5.009 5.036 4.679 4.962 5.799 7.549 6.149 10.913HOURSITOT OS 3895 4858 529U 477 3889 452 4b22 4823 4715 46S9 4053 3972 $3606
...........................................................................................................................
GLObAL CLIMATOLOGY BRANCH CUMULATIVE PE4CENTAGE FREQUENCY OF OCCURRENCE RELATIVE HUMIDITYUSAFETAC FROM 40URLY OBSERVT1DONS
AIR WEATHER SERVICE/MAC
STATION NUMBLR: 063250 STATION NAME: ZIERIKIE- NL PERIOD OF RECORD: 78.80-8TMONTH: JAN
..... .........................................................................
MONOHI HOURS I PERCENTAGE FREOUEN:Y OF RELATIVE HUMIDITY GREATER THAN I MEAN I TOTALI (LSTII ............................................................................. IRELATIVEI NUM I
I 1 10% 201 3d2 90 50 601 70% 8U1
901 IHUMIOITYI OBS I
......................................................................................................................................
JAN I O0O02 1 100.0 100.0 100.0 IO.0 100.0 99.3 92.5 74.8 92.6 87.1 953
03-05 I o.0 lO3.n 10C.0 100.0 100.0 99.9 93.8 75.0 46.8 87.8 432
06-013 100.0 100.0 100.0 100.0 100.0 99.0 93.9 77.5 93.4 87.4 507
09-11 100.0 I00.0 IO0.0 100.0 O0.0 99.2 93.4 75.9 41.5 86.9 982
1 12-14 1 100.0 10.0 100.0 99.8 99.8 97.9 8.9 62.6 32.4 83.7 543
15-17 100.0 10.0 100.0 100.0 99.8 97.1 83.5 59.5 32.4 83.1 454
18-20 100.0 IO.0 100.0 100.0 100.0 98.2 89.6 72.9 90.9 86.0 557
21-23 100.0 100.0 100.0 100.0 100.0 99.1 90.8 73.7 46.3 86.7 967
1101ALS I 130.0 100.0 100.0 100.0 100.0 98.7 90.3 71.5 40.8 86.1 3895
......................................................................................................................................
GLOBAL CLIMATOLOGY BRANCH CUMULATIVE PE4CENTAGE FREQUENCY OF OCCURRENCE RELATIVE HUMIDITYSUSAFETAC FROM -I0URLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STA71ON NUMBER: 063250 STATION NAME: ZIEROKZY N. PEQOU cr RECORD: 71-87MO4NTH: FEB
MONHJ OUR PERCENTAGE FREoUEN:Y OF RELATIVE HUMIDITY GREATER THAN I MEAN I TOTAL I
| (LSTI ..................................... •........................................ IRELATIVEI NU" I
10% 20 1U 3U% 40 Sl0 60t 70l got 90t HuMIDITyf OBS I
FEB I00-02 100.0 100.0 100.0 100.0 99.8 98.1 91.6 75.3 41.8 86.T S7;
03-05 100.0 100.0 100.0 100.0 99.8 99.3 93.2 79. 45.8 87. 579
06-0 100.0 1O0.7 100.0 100.0 100.0 99.7 94.3 83.7 51.6 88.5 619
(09-11 100.0 0D.0 100.0 100.0 99.7 97.5 91.0 76.s 91.5 86.1 6O!
12-14 100.0 100.0 100.0 98.8 96.9 88.1 70.2 51.9 / .f 78.6 641
15-17 I100.0 100.0 100.0 97.7 99.2 8.9 bb.3 91.9 2?.9 77.0 599
18-20 1 100.0 100.0 100.0 99.5 98.0 93.7 83.6 62.; 19.6 82.0 651
21-23 100.0 100.0 200.0 200.0 9.89 95.9 88.9 69.q 39.6 89.9 609
ITOVALS 1 100.0 100.0 100.0 99.5 98.3 99.5 84.8 68.2 36.6 83.8 48E5
....................................................................................................................
LOBAL CLIMATOLOGY BRANCH CUMULATIVE PERCENTAGE FPLQUCNCY OF OCCURRENCE RELATIVE HUMIDITYUSAFETAC FROM -OURLY OBSERVATIONSAIR WEATHER SERVICE/PAC
STATION NUMBER: 063250 STATION NAME: ZICRIKZE NL PERIOD OF RECORD: TR-8TMOPJIH: MAR
(° LS°o ° I ....° .................. ,. .e °o o o, o° . °. .° .. .QEL °A°T°VE.° NUNMONTHI HOURS I PERCENTAGE FEOUENy OF RELATIVE HUMIDITY GREATER THAN 0 MEAN I TOYAL
I ILSTI |..............................................................................IRELATE.I NUR .| I IC: 2UT 3D: 40: 501 601 701 ROT 9CY IHUMIDITT1 IBS
MAR m00-02 10.0 130.0 100.0 100.0 100.0 99.4 96.7 81.9 49.4 84.5 63L
03-05 100.0 100.0 100.0 107.0 100.0 99.5 97.7 84.3 54.8 89.6 611
06-08 100.0 100.0 100.0 100.0 100.0 99.6 95.9 83.4 55.7 89.5 6A8
09-11 Iofl. 100 .7 100.0 IO.0 99.9 98.2 88.0 67.2 34.9 84.9 668
12-14 100.0 10.P 100.0 99.6 98.6 90.4 73.2 46.1 19.6 78.3 708
15-17 OO0 100.0 100.0 99.4 96.4 86.3 64.7 42.8 17.0 76.1 641
18-2D 100.0 100.0 100.0 100.0 99.7 96.5 84.9 59..3 2R.1 82.5 707
21-23 100.0 100.0 100.0 100.0 99.8 98.9 93.2 74.7 42.9 86.5 637
ITOTALS 1 '00.0 100.0 100.0 99.9 99.3 96.1 86.8 67.4 37.8 44.5 5290
i"-
GLOBAL CLIMATOLOGY BRANCH CUMULATIVF PERCENTAGE FREQUENCY OF OCCURRENCE RELATIVE HUMIDITY
USAFETAC FROM 40UPLY OBSERVATIONS
AIR WEATHER SERVlCE/MAC
STATION NUMeER: 063250 STAIION NAME: ZIERIKZE5 NL PEPOLo OF RECORD: 7A-87
MONTH: APR
........................................................ ..... .......... ........................................... IEAIE UMONTHL HOURS 5 RCT ED GAT THA 1HMEANI OTAL
I (STI ..............................................................................IRELAT .VEI U . .I I ijut 200 301 401 501 601 705 600 QOj IHUMIOITYI 085
APR 00-02 i 100.0 0.n 100.0 100.0 99.6 97.2 88.0 64.8 32.2 84.0 Sb6
f13-05 100.0 100.0 100.0 100.0 100.0 98.7 91.5 75.5 39.6 86.4 543
06-08 100.0 lO0.t 100.0 lO.0 100.0 98.5 89.3 70.9 3A.0 85.1 619
09-11 Iuo.0 100.0 100.0 99.5 94.3 84.6 65.8 37.1 14.9 75.3 S97
12-14 I .O 99 .A 99.2 94.2 85.2 69.1 47.6 23.1 7.5 68.1 654
15-17 I10.0 IO0.C 98.3 92.5 82.6 68.3 48.9 23.4 9.1 67.7 603
18-20 100.0 100.0 100.0 96.6 91.0 78.0 61.9 35.8 10.4 73.0 646
I21-23 100.0 100.c 100.0 99.6 98.4 93.8 83.8 59.6 21.6 81.2 5sc
ITOTALS 1 100.0 100.0 99.7 97.8 93.9 86.1 72.1 48.9 21.4 77.6 477E............................................................. ................................
. . . ° ° ° ° ° ° ° ° ° °
IL-J
GLOBAL CLIMATOLOGY BRANCH CUMULATIVE PERCENTAGE FREQUENCY OF OCCURRENCE RELATIVE HUMIDITYUSA FET&C FROM -IBURLY OBSERVATIONS
AIR wEATHER SERVICE/MAC
STATION NUMRER: 063250 STATION NAME: ZIFRIKZE* NL PERIOD OF RECORD: 79-86
MONTH: mAY
MONTHI HOURS I PERCENTAGE FREQUEN:T OF RELATIVE HUMIDITY GREATER THAN MEAN I TOTAL
(LST) I ............................................................................. IRELATIVEI NUM I
I 11 20t
301 40% sat 60% 70% 8o 90t IHUMIOITYI 08S I
..................................................................................................................................
MAY 00-02 100.0 110.0 100.0 100.0 99.4 97.9 91.6 66.8 27.9 84.0 476
I I03-05 100.0 100.3 1310.0 100.0 99.5 98.1 94.2 77.6 38.8 86.5 42F
06-08 I100.0 100.0 100.0 100.0 99.3 97.0 90.7 66.0 2q.0 88.0 535
09-11 100.0 1[P.C 100.0 99.4 95.1 81.3 60.4 30.6 11.5 73.3 487
1 12-14 1 100.0 100." 98.7 94.8 84.0 68.7 45.7 23.9 6.7 67.7 536
h 15-17 I100.0 100.0 97.9 93.0 86.0 72.6 %9 .0 23.6 5.3 6I.1 471
I 18-20 IU00O 100.0 99.4 97.5 93. 83.5 63.1 33.9 9.1 73.6 SIS
I 21-23 I00.0 IO1.., 100.0 99.3 98.9 95.5 84.4 53.5 18.4 80.4 441
TOTALS 100.0 100.0 99.5 98.0 98.5 86.8 72.4 47.0 18.2 77.2 3889.....................................................................................................................................
GLOBAL CLIMATOLOGY BRANCH CUMULATIVE PEICENTAGE FREQUENCY OF OCCURRENCE RELATIVE HUMIOITY
USAFETAC FROM 4OURLY OBSERVATIONS
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZE- NL PE7IOU OF RECORD: 77-86MONTH: JUN
MONTI HOURS I PERCENTAGE FREOUEN~V OF RELATIVE HUMIDITY GREATER THAN I MEAN I TOT8L
I ILSTI I ............................................................................. IRELATIVE[ NUM I
I I Ic1
L 01 20 1U 401 501 601 71 80% 90| iHUMIDITTI OBS I
I IJUN 1 00-02 1 100.0 100.0 100.0 100.0 100.0 99.3 94.6 74.5 33.2 86.2 428
03-05 100.0 103.0 100.0 100.0 100.0 99.8 97.8 82.6 49.0 88.7 408
06-08 100.0 100.0 100.0 100.0 100.0 99.5 94.0 68.7 29.7 AS.2 5b6
09-11 100.0 100.0 100.0 100.0 98.3 91.5 70.1 33.5 8.7 75.9 541
12-14 100.0 100.0 100.0 98.4 94.3 77.6 52.0 21.1 7.6 70.7 577
15-17 100.0 100.0 100.0 99.2 93.4 75.1 48.9 20.4 7.1 70.2 519
18-20 100.0 100.0 100.0 99.8 97.1 87.6 63.4 30.1 9.0 74.3 579
21-23 )O0.0 100.0 100.0 100.0 99.8 98.6 88.9 62.2 18.4 82.5 434
ITOTALS 1 100.0 100.0 100.0 99.7 97.9 91.1 76.2 49.1 20.3 79.2 4052.. . . . . . .... . ... . . . . . . . .. ..,. . . .. . . . . . . ................,.........°.........°*,.. .
1LObAL CLIMATOLOGY BRANCH CUMULATIV( PE4CENTAGL rREOUENrY or OCCUPRENCE RELATIVE HUMIDITY
USAFETIC IRUM 4OURLY OBSERVATIONS
AIR WEATHER SEPV IC[MAL
STATION NUMBER: 0613'5 STATION NAME: ZIFRIKZEE NL p0T:00 OF RECOR-: 77-4bMONH: JUL
HONTHi. HOURS I° " tRCENTAGE r9EQUrH:Y or REL..IIVE UIIJTY GREATER THAN I MCAN I OT.L
I S11 ..... .I....................................................................... 4IA L TIVEI NUp I
I I 10 a 2I 3Ot 0% Solt bO% ut 1 90 IHUmIDIIYI OBS I
JUL O0-U2 100.0 1Ou. 0 100.0 100.0 100.0 99.1 98.2 2.7 1b. s 7.5 499
03-0S 100.0 o0.n 100.0 100.0 100.0 99.9 97.S 89.7 50.5 89.8 48'
0I -08 100.0 100 , 1O0. 0 0 100.0 000 ..6, 15.? . 1.1 96.9 63
09-11 0.0 I ou.0 100.0 100.U 99.8 93.2 72.5 35.9 11.9 77.1 604
I12-14 100.0 IO0. 100.0 99.5 95.5 78.9 51.2 19.9 4.A 10.b 69
t5-17 100.0 100.0 100.0 99.6 90.9 77.? 50.0 17.1 . 69.6 S84
18-20 100.0 100.0 100.0 9F.8 96.9 98.6 65.3 25.9 6.7 71.9 66C
21-23 I 100.0 10. 100.0 IOG.U 100.0 99.9 94.3 66.9 24.2 8.2 s1;
TOTALS I1O.0 10.n 100.0 99.6 97.8 92.1 78.2 St.? z1.? 79.9 %f22
.. ............................. ............................
GLOBAL CLIMAIOLOGY BkANCH CUMULATIVE PE4CE8AGL FREQUENCY OF OCCURRENCE RELATIVE 1UMII
USAFETAC FPO" 4OUQLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMPER: 0632S0 STATION NAME: ZIERIKIE- NL P1OIC Of RECORO: 77-86MONTH: AUG
LS251 I IR IV I : NU
IU I| L 1 ... ....... .. .....,.......,,..........., ..,.....,. .. ...... ,.... ...................... ..... ...... .....
AU, 00-0' I 1.1 10.0 200.0 100.0 100.0 99.4 96.2 83.1 39.b 87.8 533
0S-5 I IOr,.7 130 . 100.0 100.0 100.0 100.3 98.0 8., 48.6 89.2 50b
S6-U8 I100.0 100.0 100.0 100.0 200.0 99.8 96.3 76.8 39.2 87.1 bb
rig0-1I I 211.0 100~ 1 00.0 100.0 98.9 93.8 70.3 28.2 6.6 7S.4 639
12-lo 100.0 lo. I1O0.O 99.5 98.8 75.3 39.3 12.0 4.n 68.1 656
15-17 Io0.0 11)0.r IO.O 98.2 92.5 75.3 37.6 12. 3.8 67.8 bil
I8-20 I100.0 lO.1 100.0 99.9 97.8 91.1 66.3 28.S S.1 78.9 68
I21-23 I100.0 IOC.0 100.0 100.0 200.0 98.s 98.3 67.3 23.1C 88.8 588
ITOTALS 1 100.0 1oo.0 200.0 99.7 98.0 91.6 78.8 19.2 21.3 79.3 %823
. *. *. . . . . .*.*.*.. . . . . .**.. . . .'.*°***.. .*9. . . . . . *. .** . . .* . . .
.LOU AL CLIMATO0LOGY BRANCH CUMULATTVE P3!9CENTAGE FREQUENCY OF OCCURRENCE PEtAIIVE HUMIDITYUSAFI7AC FR0OM 4URLY OBSFRVATIONSAIR WtATHFR SERVICLIJMAC
STATIO NUMRER: 063250 STATI ON NAME! ZI1.RTKZEV N1 1'EPIOJ OF PLCOPD: 77-86MONTHI: SEP
L3 ...................... I9CIATTREI NUM II I 21 0 30 51 02 601 10% au? 9L" IHUIIUTY I 085
SEIP I 0-U:' I uo.0 100.0- 100.0 100.0 100.0 99.9 96.7 82.3 4SS.2 88.3 S5i
I 01-05 103.0 l03).'7 100.0 100.0 100.0 100.3 96.3 79.7 43.9 88.2 517
3 6-CR 1 3i0.0 100. 0 100.0 100.0 100.0 99.9 97.1 82.0 47.7 88.6 617
ng0-11 l 30.0 lOJ.fl 300.0 ic1C.o 99.8 9S.9 80.9 42.2 16,.4 19.4 59i
312-14 I 3o.0 1001 1.0 99.8 96.4 80.5 47.9 19.3 5.9 70.7 647
1 5-3 7 uo.0 100. 0 330.0 99. 7 95.8 76.2 56.8 19. 7 7.5 70.2 605
Id1-ZO 100-j0 103.1 C 200.0 100.0 99.7 95.8 79.1 43. 3 14.? 79.31 654
I -23 I 'o.0 10. f 100.0 300.0 100.0 99.3 95.2 75.0 37.8 86.5 S37
TOTALS5 1 00.0 300.0 r 200.0 99.9 98.9 93.5 80.0 55.14 27. 3 81.4 5715
4 .. ............................ ............................
ULOBAL CLIMAIOLOGY BRANCH CUMULATIVE PEICENTAGE FREQUENCY OF OCCURRENCE RELATIVE HUMIDITYUSaFETAC FROM FOURLY OBSERVATIONSAIR WEATHER SERVICE/MAC
STATION NUMBER: U63251 STATION NAME: ZIFRTKZE- NL PE1900 OF RECOR0: 77,79-86tMONTH: OCT
MON HI'HOURS .I 0R"'SPL, P C' NT*A'E FEC'UEN OF'RELATIVE HU.M.IDIY RATL THAN "MEAN' I.TOTLI LSI) I ............................................................................. IRELATTVEI NUM I
I lot 20% 3ut Rot 50% 60t 701 ot 90t IHUMIOITYI OBS I. . .. . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .................. .... .. . ....... ...
OCT 00-0? luo.0 103.0 100.O 100.0 100.0 99.3 94.1 80.8 47.5 88. 543
01-U5 100.0 100°0 100.0 I10.o 130.0 100.3 94.4 82.1 50.8 88.5 551
06-08 I13.n lOO.1 100.0 30.O 100.0 99.8 90.9 81.7 5T.7 89.1 607
I 9-Il lo.0 1O0.' 13o.0 100.0 100.0 99.3 91.4 66.3 29.8 84.6 59?
I-14 100.i 100.0 100.0 100.0 99.8 93.3 68.9 32.q 14.3 ?6.7 631
I5-17 I o0.O 100.9 100.0 99.8 99.6 93.7 68.3 36.1 12.3 76.4 56E
18-20 lO.o 10C.0 100.0 10O0. 100.0 98.3 89.6 68.0 28.9 83.8 598
I21-23 1 OO.1 100.0 100.0 100.0 100.0 98.q 93.5 76.4 39.2 86.6 56
ITOTALS I UO. IC .0 100.0 100.0 99.9 97. 86.9 65.1 34.5 84.3 4659
.. .. ... . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .
i
GLOPAL CLIMATOLOGY BRANCH CUMULATIVE PECENTAGE FREQUENCY OF OCCURRENCE RELATIVE HUMIDITYUSAFETAC FROM 4OURLY OBSERVATIONSAIR .tAIHER SERVICL/MAC
STATION NUMBER: 063,15 STATION NAME: ZIERIZ[E NL PERID00 OF RECORD: 77,79-86
MONTH: NOV
MONTHI HOURS I FERCENTAGE FT7E~uEtd:T OF RELATIVE HUMIDITY GEATEP THAN I MEAN I TOTAL(LWI I .IELATIVE: NUM
S L5 I [................................................................................... ..... ..... .....I LiT JO? 00 905 505 NOT 701 Aut YUg IHIUMIDIOTI ODAY
NOV nO-02 )o1.c 10.0 1007.0 100.0 100.0 98.6 Y1.3 75. 41.3 86.7 49
113-05 IO0.O I1j.O 100.0 IO.0 1O0.O 98.? 99.1 77.6 4.6 87.5 455
06-ON I 1 00.110. 100.O IO.O 100.0 98.7 91.5 78.7 44.q 86.9 536
09-1I 100,l IU0.0 100.0 Ic.0 100.0 99.2 91.0 66.3 32.1 8.6 480
I12-I IO.0 CC. 1 00.0 100. 0 100.0 Q6.. AS.7 4q.6 2r.6 80.6 S67
I,-17 IUO.7 0iJ.C 100.0 TIC.a 99.8 96.3 80.0 99.1 17.1 80.3 491
18-20 100.0 100., IUO.O 100.0 100.0 98.9 89.9 68.1 31.3 8.7 55;
2 1-.13 100. 1 O3.0 IO.O 100.9 100.0 99.7 89.5 73. 37.7 86.0 97!
TOTALS I O. 101. 1 O.O lo0.0 100.0 98.? 88.6 67.' ('.7 84.7 9053
....
LOUVAL CLIMATOLOGY RPANCH CUMULATIVE PE4CENTAGE FR(OUENCY OF OCCUPRENCE RELATIVE HUMIDITY
USAFETAC FPOM 4OURLY OBSERVATIONS
AIR WEATHER SERVICL/MAC
STATION NUMPER: 0N3259 STATION NAME: ZIrRIKZEU NL PEPlIOD OF RECOPD: 77-8bMONT: DEC
MONTHI HOURS I PERCENTAGE FEU[N: OF RELATIVE HUMIDITY GREATER THAN I MEAN TI OTAL
I (151 I ............................................................................. I.ELATIVEI NUO . .I I IIt 205 lut ACt 50? 600 700 RI? 93I IHUMIDITYI OAS
DEC OU-j? I 007.O 103.0 100.0 100.0 100.0 99.6 95.7 89.5 50.6 88.9 471
I03-u0 lo.3 loo.1 100.0 100.0 100.0 99.9 95.5 83.2 5').8 88.8 423
yb-Es I UO.3 100. 1 UO.0 100.0 100.0 100.3 96.S 82,. 59.1 89.9 54
n q-l I 1,0.1 133.0 I0.0 100.0 100.0 99.9 96.0 RT. 50.9 88.7 974
1 2- 1 l 1 0 .0 000.0 100.(0 99.8 99.3 93.3 71.4 3f.2 85.9 569
I s-17 ]JO.3 I n-0 100.0 loC.0 100.0 99.6 92.4 70.5 38.9 85.9 b3
18-2o' I0.i loo.P 100.0 100.0 100.0 99.8 95.5 83.9 47.9 88.1 05!
21-23 I 100.3 10J.° 100.0 100.0 100.0 99.8 9.0 80.3 99.8 88.7 476
ITOTALS I 'JO. 10 .0 a t. 0 100.0 100.0 99.7 95.0 79.7 47.4 88.0 3972
.. .. ... .. ... .. ... ... .. ... .. ... .. ... ... .. ... .. ... .. ... ... .. ... .. ... .. ... .
GLOBAL CLIMATOLOGY BRANCH CUMULATIVF PELECNTAGE FREQUENCY OF OCCUR ENCE RELATIVE HUMIDITY
USAFETAC FROM 40URLY OBSERVATIONSAIR WEATHER S[RVlCE/MAC
STATION NUMBER: 063251 STATION NAME: ZIERIK7EE NL PEPIOD OF RECORD: 77-87ONIH: ALL
o~oo o~o ~ o.** ~ o*,... . o. .o.. .,.. ,.°. o.. ,°.* ,.o. ,.,o .,.. °o° .°.. ,..o o,,.....o., ,.,..... .........,.
MDNTHg HOURS I PERCENTAGE FREOUEN:y OF RELAIVE HUMIDITY GREAT[ THAN I MEAN I TOTAL
(ILSl I............................................................................. IRFLATIVEI NU
I I juG 201 30 Not sOt 60t 70 80t 9Or IHUMIDITYI 0AS
I IJAN ALL 100.0 1OU.) 100.0 107.U 100.0 98.7 9D.3 71.5 4n.; 86.1 0895
FEB I 100.0 I0T.n 100.O 99.5 98.3 98.5 84.8 68.2 3f.6 .838 4856
MAR I 100.0 , 100 .1 IUU.D 99.9 99.3 96.1 86.8 67.4 37.A 84.5 529C
APR 100.0 100O. 99.7 97.8 93.9 86.3 72.1 48.Q 21.4 77.6 477F
MAY I Ioo.0 100.n 99.5 98.0 94.5 B6.8 72.8 47.2 IR.2 77.2 3p8A
JUN I0.3 103.P 100.0 99.7 97.9 91.1 76.2 49.1 2n.3 74.2 '052
JUL 13C.0 100.0 IU0.D 99.6 97.e 92.1 78.2 51.? 21.2 79.9 4622
AUG I 100.0 o.0 100.0 99.7 98.0 91.6 74.8 49.2 21.3 79.3 4423
SEP I10.0 100.0 100.0 99.9 98.9 93.4 9C.0 55.4 27.3 81.4 4715
OCT I 1 Io0.0 TO.0 100.0 100.0 99.9 97.7 oG.9 65.1 34.5 84.3 4655
1 fNOV I100.0 133.1 100.0 100.0 100.0 98.z 68.6 67.3 37 .7 84. 7 4053
DEC 0lo.o 100.0 100.0 101.0 100.0 99.7 95.0 79.7 47.4 88.0 3972
ITOTALS I 100.0 100.0 99.9 99.5 98.2 93.8 A2.2 60.0 30).0 82.2 53606
.. .. .. .. ... .. .. ... .. .. ... .. .. ... .. .. ... .. .. .. ... .. .. ... .. .. ... .. .. ... .. .L.
i
EXTREME MAXIMUM AND MINIMUM VALUESDATA ERIVED FROM SUMMARY OF UAY DATA.
PRESENTED ARE THE HIGHFST fLOwESTI TEMPERATURE FOR THE MONTH FOR EACH YEAR.
ALSO PRESENTED ARE STATISTICAL VALUES WITH THE SAME LIMITATIONS MENTIONED ABOT[.
AN ASIERIST INDICATES AN INCOMPLETE MONTI.
-'4,, U
_1L
, GLOBAL CLIMATOLOGY BRANCH CUMULATIVE PERCENTAGE OF OCCURRENCE OF MAXIMUM TEMPERATURES
USAFETAC FROM SUMMARY OF DAY DATA
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEE NL PERIOD OF RECORD: 77-78. 80-87
..................................................................................................................................
IMPIFII JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
..........................................................................................................................................GE 851 .5 2.1 .9 .3
GE Sol .5 3.9 10.3 9.3 .8 .7
GE 7S1 .4 9.3 10.8 20.2 17.3 9.5 .9 5.0
GE 701 4.3 9.1 22.5 31.3 92.4 17.1 2.1 11.6
GE 651 8.1 21.9 12.2 62.2 72.5 91.9 8.1 22.1
GE 601 2.2 I1.8 37.9 73.5 92.7 97.3 89.1 32.3 3.6 37.9
GE 551 8.5 36.3 7S.% 95.1 100.0 100.0 99.6 69.4 27.9 1.0 51.6
GE 501 9.5 7.91 25.6 63.7 96.3 100.0 100.0 95.7 58.9 19.0 69.0
GE 451 29.4 26.3 65.6 89.3 100.0 99.1 85.8 96.0 78.7
GE 901 60.2 97.7 90.7 99.1 100.0 92.9 73.5 88.9
GE 351 80.1 79.1 98.1 100.0 98.0 92.5 95.3
GE 301 84.6 93.9 99.6 100.0 98.5 98.1
GE 251 91.0 97.9 100.0 99.5 99.1
GE 2ol 97.5 100.0 100.0 99.8
GE 151 99.5 100.0
GE 101 100.0 100.0
MEAN I 39.5 39.3 96.3 52.9 59.2 69.S 68.9 68.9 69.5 57.9 50.3 93.2 59.5
So I 8.156 6.791 5.553 7.679 7.029 6.980 7.193 5.597 9.890 5.379 6.378 5.782 12.310
TOTAL 0BS I 201 293 270 239 187 209 233 255 296 235 197 200 2705
.......................................... e.........l..........................................................................
GLOBAL CLIMATOLOGY BRANCH CUMULATIVE PERCENTAGE OF OCCURRENCE OF MINIMUW TEMPERAIURES
USAFETAC FROM SUMMARY OF DAY DATA
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEE NL PERIOD OF RECORD: 77-76. 80-87oe o * e . o ~ . I... ... ~~oee. .. . .. ... ... ......
IEMP(FIi JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
GE 51 5.6 2.0 .4 .7GE 601 1.1 8. 29.6 9.0 7.7 2.1 6.9GE 551 .4 4.8 3.6 79.4 81.2 66.0 A.9 1.0 23.4
GE Sol 1.5 3. 1 33.7 86-2 96.7 96.4 86.6 67.7 15.7 60.6
GE 451 1.5 1.6 10.6 27.8 79.7 100.0 100.0 99.6 97.6 76.6 65.7 10.0 56.5GE 401 20.4 16.8 31.9 66.2 97.3 100.0 100.0 90.6 70.6 35.0 68.8GE 3SI 51.7 36.2 69.6 96.2 99.5 98.3 85.8 63.0 83.6GE 331 66.7 47.7 80.7 97.9 100.0 99.6 89.6 75.0 87.9
GE 301 75.6 62.1 89.3 99.6 100.0 9s.6 86.0 92.5
GE 251 82.1 83.1 97.6 100.0 99.5 97.S 96.7GE 201 86.1 92.6 100.0 100.0 99.0 98.2
GE 1S| 96.5 97.9 100.0 99.6GE 101 99.0 100.0 99.9GE SI 100.0 100.0
MEAN | 32.1 11.6 31.1 61 1 61.6 56.0 51.7 57.6 56.2 68.2 62.7 36.6 4S.1
SO I 8.626 7.393 5.720 %.369 6.167 3.650 6.069 3.763 6.304 5.6B6 6.665 6.1S9 10.769TOTAL 06S I 201 263 270 236 187 206 233 2SS 266 235 197 200 2705
...... e.................................e.....................................................................................L
GLOBAL CLIMATOLOGY BRANCH CUMULATIVE PERCENTAGE OF OCCURRENCE OF MEAN TPMPERATURES
USAFETAC FROM SUMMARY Of OAT DAlAAIR WEATHER SERAICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEE NL PERIOO Of RECORO: 77-TB, 80-87
TEMPIF1I JAN FE8 MAR APR MAY JUN JUL AUG SEP OCT NOW DEC ANNUAL
GE 7SI $-0 .4 .3
GE 701 .5 .9 15.9 8.2 .8 2.6
GE 65l .8 3.2 11.2 38.8 39.2 11.0 2.1 9.8
GE 601 2.1 12.8 81.1 75.1 5.5 58.5 8.5 24.8
GE 551 1.1 9.8 a 1.7 86.3 91.9 99.2 AS.2
43. 9.6 80.6
GE sol .5 8.9 32.1 81.3 99.0 100.0 100.0 1110.0 78.9 36.5 2.0 53.2GE 8S 11.9 11.5 28.5 68.8 95.8 100.0 98.9 66.0 26.0 67.2GE 01 2.3 30.9 71.5 95.7 100.0 99.1 86.3 58.0 82.1
GE 351 78.1 56.8 93.0 99.1 100.0 98.8 62.5 91.7
GE 301 80.6 80.? 91.8 t00.c 100.0 9b.5 96.3
GE 25, 85.6 93.81 100.0 99.0 98.3GE 291 98.0 99.6 100.0 99.5
GE 151 99.5 100.0 100.0BE 101 100.0 100.0
MEAN I 36.8 35.6 82.0 87.6 53.8 59.6 63.3 63.6 59.6 53.1 86.8 80.2 50.1
SO 8.318 6.807 5.290 5.%91 5.093 8.980 S.290 8.008 3.988 5.123 6.823 5.788 11.318
TOTAL 085 j 201 283 270 238 187 208 233 255 286 235 197 200 2705.. . .. . .. . . .. . ...e. .............. ~..........°. o e .6 e . , e ..... . .. .. ............ o,... ..... o........................,.
* L
GLOBAL CLIMAIOLOGY BRANCH EXTREME VALUES OF MARIM4UM TEMPERATURE
USAFETAC (FROM DAILY OBSERVATIONS)
AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIRZEE NL PEPIOO OF PECORO: 77-81
.......................................... ..............................................................................................WHOLE DEGREES FAHRENHEIT
I -M-O -8-I-H-S- ALL
YEAR j JAN FEB MAR APR MAy JUN JUL AUG SEP OCT NOV DEC MONIHS.. .. . . .. . . . . .. . . .. . .. . . .. . . . . . . ................................................ ...77; , " ; ;..... .. " ... 6 63 " ;
77 I8 *B1 6B 73 *72 066 063 *55r7 8 4 *6 54 *55 *63 *81 081 *88 O77 *6m798 5% 57 72 75 79 82 8 75 63 57 59
81 98 So 63 70 79 70 *$I 8? 7S 66 59 %8 8282 I q6 53 *63 *66 .68 *12 *88 *as *8 67 67 *57 *8
83 O*5 51 55 69 79 *00 86 89 71 77 60 e55 86
89 53 99 *51 *7 *63 76 *8 89 76 63 06% 050 *e
85 045 *48 53 *68 *79 79 76 *7786 I 38 38 6t 5Q 16 66 *65 *17 067 68 *59 54 Rb
87 7 *50 56 76
MEN 9.3 *88 7. 6.2 760 8. 8. 82.0 79.6 67.3 59.5 52.0S.D. 5.565 3.782 6.723 2.160 6.SSI 2.121 2.074 5.369 2.08?
07AL CBS | 203 243 270 239 187 209 253 255 7405 235 197 200 270S
NOTES * (BASED ON LESS THAN FULL -ONTHS10 (AT LEAST ONE DAY LESS THAN 2*4 0853
0
GLOBAL CLIMATOLOGY BRANCH EXTREME VALUES OF MINIMUM TEMPERATURE
USAFETAC IFRoM DAILV OBSERVATIONS)AIR WEATHER SERVICE/MAC
STATION NUMBER: 063250 STATION NAME: ZIERIKZEE ML PERIOD OF 9ECORO: 11-SI
WHOLE DEREES FAHRENHEIT
i-M-O -- H-S- ALLYEAR JAN FEB wAR APR MAY JUN JUL AUG SEP OCT NOV DEC MONTHS
50 *0 *55 *53 *3 *43 *28 021
78 *10 *19 .36 *36 053 050 054 *2 *50
19so 30 27 32 39 4B s0 56 *s 36 z 2Sal 30 23 32 32 35 56 *50 s0 4R 39 30 16 16
82 #is Z6 *29 .33 *51 *8 0SS *57 *56 53 35 *30 *15
*12 23 33 35 5 51 51 52 4 32 2? *27 228943 27 21 126 .35 *39 .7 4eO 53 *6 50 *52 *33 2455 *9 *12 zB 053 *55 52 41 *33
86 *34 13 22 28 42 55 *59 *50 *.? 55 *2 1
81 9 *19 z2 30
.............................................................................................MEAN I 22.0 21.2 27.3 33.0 39.5 56.5 50.5 50.6 56. 15.1 ?80 23.0
5.0. I 6.636 5.719 3.512 5.359 1.291 2.793 1.T0S .17?9 5.3IS
TOTAL 065 701 243 270 ?34 Is7 205 233 255 7*6 235 191 200 2705
NOTES * iBASED O LESS THAN FULL MONIHSI5 tAT LEAST ONE OAT LESS THAN z OB51
a - - .--.-
SUMMARhIZED BY fHF TAN 'AHL 3 -,OUP I IPI 6?OUPS 14T MONTH, MONTHLY AND ANNUAL I RAtL YEARS COMRIPAUI.
P.4ESrNIIo ARE rHr *HtA%' , S.TANLARl Of W At] DNS AND ORSERVATI ON COUNTS.
,E A LF V1 L- PPE S$UP r - U-MA~If
SUMMARIZED BY Illf 'riANrArlo I-HOUR TI"T 640UPS BY MONTH, MONTHLY ANO ANNUALLY LAIL VUiLL' CO-PINOT).
PIrSrNlTO ART yHI MEAN'. STANDARD IriVIATIGNS AND OBTSERVATION COUN1' .
U194*1 (LIM8301067 411696 '.(A 11910 P9166UR1 IN 04P 16190"N"AN 4166 A9 I7%h1 0<1I10N6
AIR IITA7H? 6(1191I/IMA(
S ItIIION 6099111: 3," 0 12% Slt 1T0I ON AMI II 2 9K ?I 91 %L I',o rot iR0: '7 ?
L S II
01 SO0 112S946 1(. 662 12.19S 9 .69G 7.722 6 .1R9 5.98A .47th 8. 1. 1 191 1 1L 14..617 1t 6oI 0 16 £0 ZIL 229 21 191 £69 1III 111 ' 1q9 v9 9 7~
C ~ ~ ~ ~ ~ t 19;: ' ':b I ;267 10 76 1290 9.1 7.20.6 .9 .6 .! .7 tI:I.- l'?10 7P~ 16£ 7 1 40 .70 11 189 II .', I,?"b.1 1 C .9 1 1 18 4 1 l9: 1 S
C ~~ e 0 " s I 1019. 10 . 10s . 11.2 01. 1 11 1 6 ist. II., 11.1 179 1I~ KI.
1' I oP I , l.73 116V, £212'. 9.9137 775 6.977 6 .1616 6 .29 '.7 113 11.67?I 14.6 b4 1*
Ii Z .' I i H20 10. 726% Ii2.Clot 9. 31 6b. 1671 6.826 6 .46 65. 960 1.n 1. 011% 1 1 .26 19. b1 It.7110 0fo 1 lbs I£4? 6 216 21;0 166, 169 17 1 9 1s 10 I" £67. .
1I 5 6fl b 126 1. 19 7 12. 151 9.914o 8. 129 6 .771 6.156 t 6.76 q. 11.62. 1 .19 I S .7' 1 1 10
I11 096 %I24S 6 210 29 16 23 202 29 294, 7 2i1 26 ~I *119 I 116.7 319.91312. 13166 101.2 106.7 01. 1 016. I It."11. ;I. I'? 1.
I1 6 13.999 11.91 1?.11 9.276b 7.191 6.7910 6 .269 6.636 R9.266, 11S"21 1 1. 12 1 I'.tt I.c29toaI 0"s61 19.; 191 3 l 196 369 169 191 20C. Q'L IF Ij b> 3 1
IMAN I 11. 31911. OS!132611. t. 06111. 36611. 3t 11..n) I %7 1132 II2 11 .891 9.269 7.690 6.616 S.992 s6.47 q I 226 11.90 1 1. 4.111 I1 .9 12.'
11o1 0669f 277 21e 297 PI 206 206 232 29 7 22 2 76,
I SO U1.7 5U., 11.761 9 .606 7.56s 6.966 6.1073 6.71,1 4 .197T 11.96 1 1.6 So' 1A I I.I9I 6I1 OrI 169 217 2 19 lFS 1t1 1391 £6 17s Ib 9 5 16 4 ,6
ALL I .0 I 11.U01 11. 19 12.076 9.929 7.810 6.727 6.199 6.9s19 4.991 1 1 .426. I 1. 31 1 . 396 I7.1
.001161107 01161 1996 1696 2610 2720 19126 1166 1616 2668i It'S £616 161% I613 IQL093
.. ...................4 .. .................... ...................
DATE
FILMED
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