Climate Data for Latitude 49.25 Longitude -121.75

Köppen climate classification: Cfb (Climate: warm temperate; Precipitation: fully humid; Temperature: warm summer)
 

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Chehalis River Estuary

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min TempF°24.326.630.134.840.245.649.148.844.538.231.026.4105 years
Mean TempF°29.633.137.743.749.655.060.060.054.746.336.631.6109 years
Max TempF°34.939.745.352.759.164.571.071.265.054.542.236.7109 years
FrostDays31.028.231.026.112.28.24.110.38.618.329.831.0109 years
WetDays18.414.915.914.414.012.47.97.910.515.118.919.7109 years
Precipitationin8.96.05.34.13.53.31.92.03.56.68.49.0108 years
Potential Evapotranspirationin0.50.71.52.43.33.84.64.02.61.30.50.4102 years
Yearly Average Temperatures 2010 - 2009 (English) Latitude 49.25 Longitude -121.75
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 49.25 Longitude -121.75
Yearly Total Frost Days 1901 - 2009 Latitude 49.25 Longitude -121.75
Yearly Total Precipitation 1901 - 2009 (English) Latitude 49.25 Longitude -121.75
Yearly Total Wet Days 1901 - 2009 Latitude 49.25 Longitude -121.75
Yearly Total Potential Evapotranspiration 1902 - 2009 (English) Latitude 49.25 Longitude -121.75

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.