Climate Data for Latitude 38.75 Longitude -76.75

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

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National Capital Region - East

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min TempF°26.627.635.744.454.463.668.567.060.048.338.229.7103 years
Mean TempF°35.236.745.655.064.973.778.276.569.758.647.838.1109 years
Max TempF°43.745.855.765.775.483.887.986.079.569.057.646.5109 years
FrostDays31.028.328.810.43.52.34.15.91.24.523.431.087 years
WetDays9.88.99.39.39.58.98.79.95.85.67.08.0109 years
Precipitationin3.32.83.53.33.94.04.24.33.83.23.13.3109 years
Potential Evapotranspirationin1.61.83.14.25.05.76.05.24.03.12.11.6109 years
Yearly Average Temperatures 2010 - 2009 (English) Latitude 38.75 Longitude -76.75
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 38.75 Longitude -76.75
Yearly Total Frost Days 1902 - 2009 Latitude 38.75 Longitude -76.75
Yearly Total Precipitation 1901 - 2009 (English) Latitude 38.75 Longitude -76.75
Yearly Total Wet Days 1901 - 2009 Latitude 38.75 Longitude -76.75
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 38.75 Longitude -76.75

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.