Climate Data for Latitude 40.25 Longitude -121.25

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

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Lassen Volcanic National Park

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min Temp21.222.724.027.934.941.446.644.939.032.125.221.4108 years
Mean Temp31.734.236.341.549.457.464.662.856.547.738.232.5109 years
Max Temp42.245.848.655.163.973.582.780.774.063.451.143.5109 years
FrostDays31.028.231.029.921.19.44.73.311.626.230.031.0109 years
WetDays6.77.99.54.53.42.72.22.22.53.86.77.9109 years
Precipitationin7.06.45.32.51.50.80.30.40.72.24.96.694 years
Potential Evapotranspirationin1.01.32.13.14.86.27.96.94.92.91.51.0109 years
Yearly Average Temperatures 1901 - 2009 (English) Latitude 40.25 Longitude -121.25
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 40.25 Longitude -121.25
Yearly Total Frost Days 1901 - 2009 Latitude 40.25 Longitude -121.25
Yearly Total Precipitation 1901 - 2009 (English) Latitude 40.25 Longitude -121.25
Yearly Total Wet Days 1901 - 2009 Latitude 40.25 Longitude -121.25
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 40.25 Longitude -121.25

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.