Annual Rainfall in Sri Lanka
Figure: Annual Average Rainfall Map Source: Department of Meteorology Sri Lanka There are several type of Rain fall in Sri Lanka. They are Monsoonal Rain, Convectional Rain, Depressional Rain and Orographic Rain (Relief Rain). Monsoon Rainfall Monsoon is major wind system that seasonally reverse its direction that cause rainfall. Further, Monsoon cause wet seasons and dry seasons also. Most of tropics experience rainy season as a result of monsoon. The Indian ocean is most frequently connected with monsoons that blow cold to warn region. There are four monsoon rainfall seasons in Sri Lanka as fallows (1) First inter monsoon season ( March to April) (2) South-west monsoon season ( May to September) (3) Second inter monsoon season (October to November) (4) North-East monsoon season (December to February) Annual average rainfall of Sri Lanka is varies from 900mm in dry zone to 5000mm in wet zone. Pdf Download of Rainfall Data : Click Here to Download Co...
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