Climate Data for Latitude 40.75 Longitude -122.25

Köppen climate classification: Csa (Climate: warm temperate; Precipitation: summer dry; Temperature: hot summer)
 

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Whiskey-Shasta-Trinity National Recreation Area

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min TempF°34.137.539.643.550.058.463.561.656.647.740.034.4109 years
Mean TempF°43.147.750.455.863.872.780.077.972.361.951.143.9109 years
Max TempF°52.257.961.268.377.887.196.594.488.176.162.353.4109 years
FrostDays29.720.919.611.65.73.63.70.83.09.420.230.0109 years
WetDays7.29.59.85.33.72.20.90.91.83.68.59.5109 years
Precipitationin7.16.55.32.51.30.50.10.30.62.44.97.098 years
Potential Evapotranspirationin1.21.93.04.26.27.89.88.46.03.51.81.2109 years
Yearly Average Temperatures 2010 - 2009 (English) Latitude 40.75 Longitude -122.25
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 40.75 Longitude -122.25
Yearly Total Frost Days 1901 - 2009 Latitude 40.75 Longitude -122.25
Yearly Total Precipitation 1901 - 2009 (English) Latitude 40.75 Longitude -122.25
Yearly Total Wet Days 1901 - 2009 Latitude 40.75 Longitude -122.25
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 40.75 Longitude -122.25

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.