The annual precipitation has a fluctuation change trend, the precipitation increases obviously in winter, the summer precipitation and the annual precipitation increase slowly, in each age the maximum precipitation in winter, summer, autumn and the maximu
The annual precipitation has a fluctuation change trend, the precipitation increases obviously in winter, the summer precipitation and the annual precipitation increase slowly, in each age the maximum precipitation in winter, summer, autumn and the maximu
年降水呈波动式变化趋势，冬季降水增加明显，夏季和年降水增加缓慢，各年代中冬季、夏季、秋季和年最多降水均出现在气温偏暖的21世纪初，气候有从暖干向暖湿转变的趋势。