ASHRAE CLIMATIC DESIGN CONDITIONS

KUALA LUMPUR SUBANG, MALAYSIA

Lat:3.12N Long:101.55W Elev:22 StdP: 101.06 Time zone:8.00 Period:82-06

Annual Heating and Humidification Design Conditions

Coldest

Month

Heating DBHumidification DP/MCDB and HR Coldest month WS/MCDB MCWS/PCWD to

99.6% DB99.6% 99% 0.4% 1%

99.6% 99% DP HR MCDB DP HR MCDB WS MCDB WS MCDB MCWS PCWD

12 22.0 22.7 19.0 13.8 31.0 19.9 14.7 30.1 6.7 28.9 5.9 29.4 0.6 350

Annual Cooling, Dehumidification, and Enthalpy Design Conditions

Hottest

Month

Hottest

Month

DB Range

Cooling DB/MCWB Evaporation WB/MCDB MCWS/PCWD to

0.4% DB0.4% 1% 2% 0.4% 1% 2%

DB MCWB DB MCWB DB MCWB WB MCDB WB MCDB WB MCDB MCWS PCWD

5 7.9 34.2 25.6 33.9 25.7 33.2 25.6 27.5 31.5 27.1 31.2 26.7 30.8 3.3 180

Dehumidification DP/MCDB and HR Enthalpy/MCDB Hours 8 to

4 and

12.8/20.6

0.4% 1% 2% 0.4% 1% 2%

DP HR MCDB DP HR MCDB DP HR MCDB Enth MCDB Enth MCDB Enth MCDB

26.2 21.7 29.3 26.1 21.5 29.2 25.9 21.2 28.9 87.5 31.7 85.7 31.8 84.3 31.3 0

Extreme Annual Design Conditions

Extreme Annual WS Extreme

Max WB

Extreme Annual DB n-Year Return Period Values of Extreme DB

Mean Standard deviation n=5 years n=10 years n=20 years n=50 years

1% 2.5% 5% Min Max Min Max Min Max Min Max Min Max Min Max

6.4 5.5 4.9 31.6 20.8 35.9 0.8 1.1 20.2 36.7 19.7 37.3 19.2 37.9 18.6 38.7

Monthly Climatic Design Conditions

Annual Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperatures,

Degree-Days and

Degree-Hours

Tavg 28.1 27.7 28.1 28.5 28.6 28.7 28.4 28.0 28.0 27.9 27.8 27.7 27.5

Sd 0.93 1.01 1.07 0.94 0.99 0.94 0.99 0.95 0.92 0.87 0.89 0.95

HDD10.0 0 0 0 0 0 0 0 0 0 0 0 0 0

HDD18.3 0 0 0 0 0 0 0 0 0 0 0 0 0

CDD10.0 6601 548 508 574 559 579 552 557 558 537 553 530 543

CDD18.3 3559 290 275 316 309 321 302 299 300 287 295 280 284

CDH23.3 35356 2735 2735 3250 3167 3473 3264 3094 3050 2802 2772 2470 2543

CDH26.7 13689 1040 1127 1354 1271 1411 1333 1218 1188 1050 997 833 868

Monthly Design Dry

Bulb and Mean

Coincident Wet Bulb

Temperatures

0.4%DB 34.0 34.8 35.1 34.9 34.8 34.2 34.0 34.1 34.0 33.6 33.2 33.2

MCWB 24.5 24.9 25.2 26.2 26.3 25.4 25.4 25.3 25.2 25.5 25.6 25.0

2%DB 33.1 33.8 34.1 33.9 33.9 33.6 33.1 33.1 33.0 32.9 32.4 32.5

MCWB 24.5 25.0 25.6 26.4 26.4 25.6 25.4 25.3 25.3 25.6 25.7 25.1

5%DB 32.2 33.0 33.2 33.1 33.1 32.9 32.3 32.4 32.2 32.1 31.8 31.9

MCWB 24.7 25.0 25.7 26.3 26.2 25.8 25.4 25.3 25.4 25.5 25.6 25.2

10%DB 31.3 32.1 32.5 32.2 32.2 32.1 31.8 31.7 31.2 31.2 30.9 31.0

MCWB 24.8 25.1 25.6 26.2 26.1 25.8 25.4 25.3 25.4 25.5 25.6 25.3

Monthly Design Wet

Bulb and Mean

Coincident Dry Bulb

Temperatures

0.4%WB 27.0 27.4 27.6 27.8 28.0 27.4 27.1 27.2 27.1 27.1 27.1 27.0

MCDB 30.8 31.5 32.1 31.9 31.9 31.4 30.9 30.8 30.7 30.9 30.5 30.5

2%WB 26.2 26.6 26.9 27.2 27.3 26.8 26.5 26.5 26.4 26.5 26.5 26.3

MCDB 30.1 30.9 31.6 31.5 31.4 31.0 30.6 30.5 30.3 30.4 30.1 30.0

5%WB 25.8 26.2 26.5 26.9 26.9 26.5 26.1 26.1 26.1 26.1 26.2 26.0

MCDB 29.6 30.4 30.9 31.1 30.9 30.6 30.4 30.2 30.0 30.1 29.8 29.7

10%WB 25.4 25.7 26.1 26.5 26.5 26.2 25.8 25.7 25.7 25.8 25.8 25.6

MCDB 29.2 29.9 30.4 30.6 30.5 30.3 30.0 29.8 29.6 29.6 29.4 29.1

Mean Daily

Temperature Range

MDBR 8.5 9.0 8.7 8.4 7.9 8.2 8.0 8.0 8.0 7.9 7.6 7.6

5% DBMCDBR 9.5 9.8 9.5 9.1 8.7 9.0 8.8 8.9 8.8 8.7 8.5 8.8

MCWBR 3.2 3.5 3.2 3.3 3.1 3.2 3.1 3.1 3.1 3.1 3.0 3.1

5% WBMCDBR 8.5 9.0 8.9 8.6 8.1 8.2 8.1 8.2 8.1 8.1 7.8 8.0

MCWBR 3.2 3.5 3.4 3.4 3.2 3.3 3.3 3.2 3.1 3.1 3.0 3.1

Clear Sky Solar

Irradiance

taub 0.498 0.514 0.544 0.510 0.519 0.552 0.572 0.618 0.618 0.662 0.535 0.475

taud 1.987 1.948 1.870 1.980 1.947 1.838 1.783 1.684 1.692 1.597 1.879 2.074

Ebn,noon 831 826 799 810 781 743 733 716 731 700 792 845

Edn,noon 185 196 212 186 186 203 217 246 250 274 204 168

Map data ©2013 Google, MapIT

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