Rainfall variability at Faizabad, Uttar Pradesh

Abstract

Rainfall data for the period 1971- 2010 is used to analyze the variability of annual and seasonal of deficit, normal, excess rainfall. The rainfall of 40 years ranged from 384.3 -1912.7 mm with annual mean of 1042.9 mm with 27.6 % variability, with standard deviation of 288.2 mm. The annual and seasonal rainfall showed a decrease in rainfall in recent decade (1991-2010). Trend of rainfall reflects a decrease in annual and seasonal during past 40 years where as no such specific trend was observed.