Based on the data of Meiyu precipitation about 50 weather stations from 1960 to 2002, temporal and spatial distribution characteristics are analyzed with EOF and REOF methods.

• 摘要基于江淮梅雨区域50个气象台站1960-2002年的梅雨量资料，利用EOF、REOF展开方法，分析了江淮梅雨降水的空间分布及时间演变特征。