Climate Data for Latitude 48.75 Longitude -121.25

Köppen climate classification: Dfc (Climate: snow; Precipitation: fully humid; Temperature: cool summer)
 

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Lake Chelan National Recreation Area

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min Temp16.018.021.626.632.237.742.542.137.031.121.917.6105 years
Mean Temp22.325.429.635.641.347.553.653.447.640.028.323.5109 years
Max Temp28.632.837.744.650.557.464.864.758.149.034.529.2103 years
FrostDays31.028.231.030.031.016.810.316.425.431.030.031.0109 years
WetDays16.913.615.411.611.510.47.47.49.511.716.917.8109 years
Precipitationin7.75.95.13.12.62.51.61.52.44.87.37.8109 years
Potential Evapotranspirationin0.30.41.21.82.63.24.23.62.31.20.30.274 years
Yearly Average Temperatures 1901 - 2009 (English) Latitude 48.75 Longitude -121.25
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 48.75 Longitude -121.25
Yearly Total Frost Days 1901 - 2009 Latitude 48.75 Longitude -121.25
Yearly Total Precipitation 1901 - 2009 (English) Latitude 48.75 Longitude -121.25
Yearly Total Wet Days 1901 - 2009 Latitude 48.75 Longitude -121.25
Yearly Total Potential Evapotranspiration 1902 - 2009 (English) Latitude 48.75 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.