how do you calculate rainfall per day in mass how to associate daily rainfall with historical data calculate rainfall by period how to associate rainfall probability how to use gamma formula average rainfall of day what is the formula of gamma for daily rainfall how to associate daily rainfall with historical data how to match rainfall to historical data do you fit rainfall probabilities which formula is used to combine daily rainfall with a historical rainfall what is the purpose of a fitdistr distribution how to associate the rainfall probability from historical data? what is gamma fit what is gamma of forecast how to find the gamma for each month how to associate daily rainfall with historical data average rainfall by month how to associate a daily rainfall pattern with a historical rainfall pattern? how to get rainfall from tr