Climate Data for Latitude 18.75 Longitude -97.75

Köppen climate classification: Cwb (Climate: warm temperate; Precipitation: winter dry; Temperature: warm summer)
 

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Tehuacán Valley matorral ecoregion

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min TempF°42.444.748.851.753.755.153.853.753.750.746.042.5109 years
Mean TempF°58.261.365.468.168.567.766.166.565.563.960.958.0109 years
Max TempF°74.277.982.184.683.580.378.479.477.377.275.973.7109 years
FrostDays16.69.13.22.92.00.74.91.26.77.812.518.3109 years
WetDays0.70.50.62.45.89.59.47.615.15.81.20.7109 years
Precipitationin0.30.20.31.03.34.52.32.94.42.00.40.2108 years
Potential Evapotranspirationin3.03.44.64.95.04.14.03.93.43.63.63.1109 years
Yearly Average Temperatures 2010 - 2009 (English) Latitude 18.75 Longitude -97.75
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 18.75 Longitude -97.75
Yearly Total Frost Days 1901 - 2009 Latitude 18.75 Longitude -97.75
Yearly Total Precipitation 1901 - 2009 (English) Latitude 18.75 Longitude -97.75
Yearly Total Wet Days 1901 - 2009 Latitude 18.75 Longitude -97.75
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 18.75 Longitude -97.75

Climate data provided by CRU TS 3.1 - University of East Anglia Climate Research Unit (CRU). [Phil Jones, Ian Harris]. CRU Time Series (TS) high resolution gridded datasets, [Internet]. NCAS British Atmospheric Data Centre, 2008, Accessed: 28-July-2011
Charting software provided by pChart - a PHP class to build charts.
Köppen climate classification provided by Kottek, M., J. Grieser, C. Beck, B. Rudolf, and F. Rubel, 2006: World Map of Köppen-Geiger Climate Classification updated. Meteorol. Z., 15, 259-263
The calculation method for the potential evapotranspiration is the FAO grass reference equation (Ekstrom et al., 2007, which is based on Allen et al., 1994). It is a variant of the Penman Monteith method using TMP, TMN, TMX, VAP, CLD.