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1、前期农业气象条件分析进入9月以来,云南省晴天日数增多,日照时数比前期增加,雨量明显减少,中下旬气温偏高,多为晴雨相间的天气。9月1～30日,全省降大于5mm的降水646站次,比去年同期少317站次;中雨271站次,比去年同期少175站次;大雨85站次,比去年同期少44站次;暴雨及大暴雨21站次,比去年同期少1站次。
1. Analysis of pre-agricultural meteorological conditions Since September, the sunny days in Yunnan Province have increased, the sunshine hours have increased compared with the previous period, and the rainfall has obviously decreased. From September 1 to September 30, the rainfall in the province dropped by more than 5 mm from the rainfall of 646 stations, 317 fewer than the same period of last year; 271 moderate rainstorms, 175 fewer stations than the same period of last year; 85 heavy rain stations, 44 less than the same period of previous year Station times; heavy rain and rainstorm 21 stations, less than 1 station last year.