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经历了连续的干旱年份后,2002年汛期(6-9月)全省大部分地区降水有所增加,平均降水量310毫米。其中嫩江流域平均降水量为240毫米,与前年大体持平;松花江干支流平均降水量为386毫米,比前年增加104毫米;黑龙江、乌苏里江流域平均降雨量238毫米,大体与前年持平,绥芬河流域降水量488毫米,比前年增加93毫米。与常年同期相比,嫩江流域偏少3成。松花江流域少2成,黑龙江、乌苏里江流域偏少4成。
After a continuous drought year, precipitation increased in most parts of the province during the flood season in 2002 (June-September), with an average rainfall of 310 mm. Among them, the average precipitation in Nenjiang River Basin was 240 mm, which was basically the same as in the previous year; the average precipitation in the tributaries of the Songhua River was 386 mm, an increase of 104 mm over the previous year; the average rainfall of 238 mm in Heilongjiang and Wusuli River basins was basically the same as that of the previous year; The precipitation is 488 millimeters, an increase of 93 millimeters over the previous year. Compared with the same period in perennial, Nenjiang River less than 3 percent. Songhuajiang less 2 percent, Heilongjiang, Wusuli River basin less than 4 percent.