Climate Data for Latitude 38.25 Longitude -76.25

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


Blackwater National Wildlife Refuge

Averages (English) Metric

Min Temp27.628.135.443.953.962.467.265.859.848.438.630.4106 years
Mean Temp37.238.246.355.665.173.277.576.070.259.449.039.9109 years
Max Temp46.748.557.267.476.484.187.986.380.870.659.549.4109 years
FrostDays30.928.430.312. years
WetDays9. years
Precipitationin3. years
Potential Evapotranspirationin1. years
Yearly Average Temperatures 2010 - 2009 (English) Latitude 38.25 Longitude -76.25
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 38.25 Longitude -76.25
Yearly Total Frost Days 1902 - 2009 Latitude 38.25 Longitude -76.25
Yearly Total Precipitation 1901 - 2009 (English) Latitude 38.25 Longitude -76.25
Yearly Total Wet Days 1901 - 2009 Latitude 38.25 Longitude -76.25
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 38.25 Longitude -76.25

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.