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Merida 20.983 -89.65Location name Latitude [°N] Longitude [°E]

766440 9 V, 3WMO Altitude [m a.s.l.] Climate region

Standard Standard PerezRadiation model Temperature model Tilt radiation model

2000–2009 2000–2009Temperature period Radiation period

Additional information

Uncertainty of yearly values: Gh = 2%, Bn = 4%, Ta = 0.3 °CTrend of Gh / decade: -Variability of Gh / year: 1.8%Radiation interpolation locations: Merida (0 km), Tantaquin (123 km), Rio Lagartos (168 km), Campeche/Ignacio (157 km), Cancun (298km)

Month G_Gh G_Bn G_Dh Lg Ld N Ta Td

[W/m2] [W/m2] [W/m2] [W/m2] [W/m2] [octas] [C] [C]

January 173 198 64 18996 8236 4 23.4 17.6

February 197 189 78 21637 10603 5 24.8 18.4

March 240 221 93 26366 12391 4 26.4 18.6

April 273 260 94 30069 12621 3 28.0 19.2

May 257 191 117 28632 15203 5 29.3 21.3

June 244 171 119 27362 15912 5 28.5 23.6

July 261 201 116 29427 16072 5 28.2 23.8

August 246 195 108 27779 14894 5 28.1 24.3

September 220 187 95 24934 12667 4 27.9 24.5

October 193 168 86 21783 11325 5 27.0 23.3

November 174 173 76 19425 10300 5 24.8 20.6

December 152 155 69 16847 9131 5 23.7 19.1

Year 219 192 93 24438 12446 5 26.7 21.2

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Month RH p DD FF

[%] [hPa] [deg] [m/s]

January 70 1012 90 3.3

February 68 1012 90 3.7

March 62 1012 90 4.4

April 59 1012 90 4.5

May 62 1012 90 4.3

June 75 1012 90 3.7

July 77 1012 90 3.1

August 80 1012 90 2.6

September 82 1012 90 2.4

October 80 1012 23 2.7

November 77 1012 23 2.7

December 76 1012 90 2.8

Year 72 1012 82 3.4

Gh: Mean irradiance of global radiation horizontalBn: Irradiance of beamDh: Mean irradiance of diffuse radiation horizontalN: Cloud cover fractionLg: Global luminanceTa: Air temperatureRH: Relative humidityTd: Dewpoint temperatureDD: Wind directionFF: Wind speedp: Air pressure

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Monthly radiation

Daily global radiation

Monthly temperature

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Daily temperature

Precipitation

Sunshine duration