Surendran, P USunny, K LPrabhakaran, P VKAU2019-07-172019-07-171977Agricultural Research Journal of Kerala, 15(1), 47-55.http://krishikosh.egranth.ac.in/handle/1/5810115105New methods for estimating the weekly rainfall of a place has been developed h this pap?r. The California and Hazen's methods found in Patro et nl have been shown to be their special cases. It has further been pointed out that i h " method, of which Hazen's is a special case, is rationally more appropriate than the other though all of thsm are linearly related- A new but exquisite criterion for determining the adequacy of the data has also been established.ennullArticle