Climate Data for Latitude 41.75 Longitude -91.25

Köppen climate classification: Dfa (Climate: snow; Precipitation: fully humid; Temperature: hot summer)
 

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Herbert Hoover National Historic Site

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min Temp12.215.926.738.549.559.263.361.253.041.929.017.4106 years
Mean Temp20.924.936.549.760.970.374.672.464.453.038.325.5108 years
Max Temp29.533.946.561.172.581.685.983.676.064.147.633.5108 years
FrostDays31.028.331.023.85.17.86.85.25.620.130.031.073 years
WetDays6.16.08.39.09.18.37.16.87.66.46.46.8109 years
Precipitationin1.10.92.23.13.94.43.73.93.72.61.91.3108 years
Potential Evapotranspirationin0.91.12.23.75.15.76.05.23.92.91.60.9109 years
Yearly Average Temperatures 1901 - 2009 (English) Latitude 41.75 Longitude -91.25
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 41.75 Longitude -91.25
Yearly Total Frost Days 1902 - 2009 Latitude 41.75 Longitude -91.25
Yearly Total Precipitation 1901 - 2009 (English) Latitude 41.75 Longitude -91.25
Yearly Total Wet Days 1901 - 2009 Latitude 41.75 Longitude -91.25
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 41.75 Longitude -91.25

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.