Climate Data for Latitude 40.25 Longitude -78.75

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

Locations

Download
Allegheny Portage Railroad Nat'l Hist. Site
Johnstown Flood National Memorial

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min Temp18.818.827.237.046.654.858.757.551.040.232.222.4108 years
Mean Temp27.528.337.648.759.167.771.469.963.852.541.830.8109 years
Max Temp36.037.847.860.471.780.684.282.576.564.951.539.1109 years
FrostDays31.028.231.025.75.40.91.54.02.914.430.031.0109 years
WetDays14.612.013.112.811.511.010.411.38.38.410.913.4109 years
Precipitationin3.53.03.83.94.14.54.54.03.43.13.03.3109 years
Potential Evapotranspirationin1.11.32.33.54.55.15.24.63.52.71.91.2109 years
Yearly Average Temperatures 1901 - 2009 (English) Latitude 40.25 Longitude -78.75
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 40.25 Longitude -78.75
Yearly Total Frost Days 1901 - 2009 Latitude 40.25 Longitude -78.75
Yearly Total Precipitation 1901 - 2009 (English) Latitude 40.25 Longitude -78.75
Yearly Total Wet Days 1901 - 2009 Latitude 40.25 Longitude -78.75
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 40.25 Longitude -78.75

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.