【摘要】 利用云南省红河州各台站建站以来的５ 月降水资料与厄尔尼诺事件进行统计分析，得出厄尔尼诺年出现在前一年秋冬季且持续到该年初夏红河洲５ 月降水趋向偏少，雨季开始期趋向偏晚；而拉尼娜年５ 月降水趋于正常到偏多，雨季开始趋于正常到偏早．更多还原

【Abstract】 A statistical analysis has been finished, using the data of each meteorological station of Honghe and the affair of El Nio.Based on the analysis,it has been made conclusion that if El Nio continues from the autumn and winter season to the early summer of the next year,the rainfall of Honghe in May will decrease,and the beginning of rain season will become later.On the other hand,the rainfall in May will be normal or abundant,and the beginning of rain season will be normal or early also.更多还原