Author: R. RAJA, T. N. BALASUBRAMANIAN AND R. KARTHIKEYAN,
p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 90, Issue: oct-dec,
An analysis was taken up to find out the validity of forecasting annual rainfall by using Tamil almanac information and 90 years (1909-1999) historical rainfall data of Coimbatore. The results revealed that the annual rainfall of a particular Tamil year in a cycle was not the same for the corresponding Tamil year in the fourth- coming cycle and one can expect an opposite event. There was no correlation between occurrence of rainfall at specific dates and total annual rainfall. Between dates of rainfall within a Tamil year had correlation.
Keywords: Rainfall forecasting, Tamil almanac.
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