Rainfall frequency analysis of Nainital District (Uttarakhand)

The rainfall process is non linear, hence having uncertainty in forecasting its pattern. Rainfall data for the year of 1986 to 2010 were used for return period and statistical analysis for Nainital district of Uttarakhand. The return periods from different methods were evaluated and find out to be 25 year maximum and 1 year minimum. There was higher variation in standard deviation where as medium to small variations in coefficient of variation, coefficient of skewness and coefficient of Kurtosis for estimation return period Weibull method was used to be 25 year to 1 year.