惠农区2016~2020年汛期气象特征分析

Analysis of Meteorological Characteristics during Flood Season in Huinong District from 2016 to 2020

为了研究惠农区汛期气象要素变化特征,对2016年~2020年6~9月平均气温、最高气温、最低气温、降水量、降水日数、日照时数特征分别进行了分析。结果表明:1) 2016年~2020年汛期累计降水量在100.7~222.2 mm之间,汛期降水日数在21~34 d之间,年际分布差异较大。从5年平均值来看,7月、8月降水量较多,6月、9月降水量较少。月平均降水日数6月、8月较多,7月、9月较少。2) 2016年~2020年汛期平均气温在22.3℃~23.2℃之间,呈缓慢下降趋势;汛期最高气温为32.6℃,汛期最低气温为11.2℃。3) 2016年~2020年汛期累计日照时数在964.9~1172.2 h之间,呈缓慢下降趋势;从5年平均值来看,6月日照时数最多,8月最少。

In order to study the characteristics of meteorological elements during flood season in Huinong District, the characteristics of mean temperature, maximum temperature, minimum temperature, precipitation, precipitation days and sunshine duration from June to September in 2016~2020 were analyzed. The results showed that: 1) During flood season from 2016 to 2020, the accumulative precipitation was 100.7~222.2 mm, and precipitation days were 21~34 d, with greatly interannual variation. According to the 5-year average, the precipitation was more in July and August, and less in June and September. The monthly average precipitation days were more in June and August, and less in July and September. 2) The average air temperature in flood season was 22.3˚C~23.2˚C from 2016 to 2020, showing a slowly decreasing trend;the maximum air temperature in flood season was 32.6˚C, and the minimum air temperature was 11.2˚C. 3) From 2016 to 2020, the accumulated sunshine duration during flood season was 964.9~1172.2 h, showing a slowly downward trend. According to the 5-year average, the most hours of sunshine occurred in June and the least in August.