Climate Data for Latitude 9.75 Longitude 77.75

Köppen climate classification: Aw (Climate: equatorial; Precipitation: winter dry)
 

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Watrap Periakulam and Virakasamuthrakulam

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min TempF°69.370.573.176.176.274.873.773.573.572.871.870.0109 years
Mean TempF°77.379.081.683.883.481.280.079.980.279.578.376.9109 years
Max TempF°85.487.790.291.790.687.786.486.386.986.284.983.9109 years
FrostDays3.26.05.56.43.45.25.75.05.55.32.85.397 years
WetDays0.60.40.92.13.34.04.54.54.66.75.52.2109 years
Precipitationin0.30.50.83.13.63.94.34.85.18.76.72.392 years
Potential Evapotranspirationin5.25.36.45.95.74.64.44.64.64.34.04.5109 years
Yearly Average Temperatures 2010 - 2009 (English) Latitude 9.75 Longitude 77.75
Monthly Mean Temperatures 1901 - 2009 (English) Latitude 9.75 Longitude 77.75
Yearly Total Frost Days 1901 - 2009 Latitude 9.75 Longitude 77.75
Yearly Total Precipitation 1901 - 2009 (English) Latitude 9.75 Longitude 77.75
Yearly Total Wet Days 1901 - 2009 Latitude 9.75 Longitude 77.75
Yearly Total Potential Evapotranspiration 1901 - 2009 (English) Latitude 9.75 Longitude 77.75

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.