Climate Data for Latitude -15.75 Longitude -5.75

 

Locations

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North-east St Helena
South-west St Helena
St. Helena scrub and woodlands ecoregion

Averages (English) Metric

TypeUnitsJanFebMarAprMayJunJulAugSepOctNovDecPeriod
Min TempF°63.765.565.864.863.360.458.858.158.558.359.561.5109 years
Mean TempF°67.569.169.368.066.663.561.760.661.261.363.065.1109 years
Max TempF°71.272.972.771.469.866.664.863.364.064.466.668.7109 years
FrostDays0.40.30.52.22.82.64.04.44.42.82.10.8109 years
WetDays13.514.214.514.514.015.915.914.712.114.313.212.4109 years
Precipitationin2.12.73.52.42.83.43.32.72.21.71.21.5109 years
Yearly Average Temperatures 2010 - 2009 (English) Latitude -15.75 Longitude -5.75
Monthly Mean Temperatures 1901 - 2009 (English) Latitude -15.75 Longitude -5.75
Yearly Total Frost Days 1901 - 2009 Latitude -15.75 Longitude -5.75
Yearly Total Precipitation 1901 - 2009 (English) Latitude -15.75 Longitude -5.75
Yearly Total Wet Days 1901 - 2009 Latitude -15.75 Longitude -5.75

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.
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.