Analysis on Precipitation Characteristics in Hunan Province from 1951 to 2010

The regional characteristics of precipitation in Hunan Province were analyzed based on the monthly rainfall data of 97 meteorological stations from 1951 to 2010.The results showed the annual precipitation spatial distribution is that the precipitation in mountainous areas is abundant,but the precipitation in plain is deficient.Precipitation in spring and autumn decreased in most areas,and the precipitation of summer showed an increasing trend.