Climate Data for Latitude 57.25 Longitude -135.25

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

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Sitka National Historical Park

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min TempF°22.522.323.828.234.740.043.643.840.135.326.924.4106 years
Mean TempF°27.528.330.035.141.547.450.650.846.340.232.129.3109 years
Max TempF°32.634.436.442.048.454.957.757.852.545.237.334.0106 years
FrostDays31.028.231.030.024.29.04.05.716.626.430.031.0109 years
WetDays20.517.517.015.414.915.715.316.423.327.120.320.7109 years
Precipitationin6.75.65.54.33.73.14.36.08.810.98.57.9109 years
Potential Evapotranspirationin0.50.50.81.32.02.42.52.11.10.70.30.483 years
Yearly Average Temperatures 2010 - 2009 (English) Latitude 57.25 Longitude -135.25
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 57.25 Longitude -135.25
Yearly Total Frost Days 1901 - 2009 Latitude 57.25 Longitude -135.25
Yearly Total Precipitation 1901 - 2009 (English) Latitude 57.25 Longitude -135.25
Yearly Total Wet Days 1901 - 2009 Latitude 57.25 Longitude -135.25
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 57.25 Longitude -135.25

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.