Climate Data for Latitude 38.25 Longitude -122.25

Köppen climate classification: Csb (Climate: warm temperate; Precipitation: summer dry; Temperature: warm summer)
 

Locations

Download
Rockville Hills Regional Park

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min TempF°38.641.142.344.047.651.553.353.252.248.743.339.3108 years
Mean TempF°46.650.052.455.259.964.867.567.366.161.153.547.5109 years
Max TempF°54.758.962.566.572.278.181.881.580.173.763.855.8109 years
FrostDays20.913.913.88.04.85.71.35.16.98.510.014.2109 years
WetDays6.27.06.13.21.60.90.60.61.02.15.56.5109 years
Precipitationin5.95.64.01.90.30.20.10.10.31.53.45.587 years
Potential Evapotranspirationin1.41.93.14.05.56.77.66.75.43.72.01.4109 years
Yearly Average Temperatures 2010 - 2009 (English) Latitude 38.25 Longitude -122.25
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 38.25 Longitude -122.25
Yearly Total Frost Days 1901 - 2009 Latitude 38.25 Longitude -122.25
Yearly Total Precipitation 1901 - 2009 (English) Latitude 38.25 Longitude -122.25
Yearly Total Wet Days 1901 - 2009 Latitude 38.25 Longitude -122.25
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 38.25 Longitude -122.25

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.