Rainwater solar terms agriculture

Rain solar term agriculture, the average precipitation is distributed during the rain solar term, and rain is the second solar term in the twenty-four solar terms. When the sun reaches 330 degrees, it enters the 24 solar terms? Rain? At this time of the solar term, the temperature rises, the snow melts and the precipitation increases, hence the name rain. The rain solar term generally starts from February 18 or 19 and ends on March 4 or 5. Rain, like Grain Rain, light snow and heavy snow, is a solar term reflecting precipitation. How much precipitation is there in all parts of the country during the rainy season?

According to the statistical analysis of meteorological data of National Meteorological Observatory 197 1-2000, rain? During the solar term (from February 18 to March 4 for convenience of statistics), the distribution of average precipitation throughout the country is shown in the above figure. Generally speaking, there is a trend of more in the south and less in the north and less in the east and west. Among them, the average precipitation in rainy season in southern Xinjiang, northern Tibet, eastern Qinghai, western Inner Mongolia, Xing 'an League and Hulunbeier City is below 1 mm; The precipitation at the junction of Shandong and Jiangsu provinces, central Henan, northern Hubei, southern Chongqing, southeastern Sichuan, northern Yunnan and most of its northern areas is below 10mm; However, in most areas of Jiangxi, Zhejiang and Fujian, the precipitation in rainy season exceeds 50 mm. From the above figure, the average precipitation of rain solar terms in 3 1 major cities in China is also given, among which Nanchang is the place with the most precipitation, with the precipitation reaching 63mm, followed by Fuzhou with the precipitation of 58 mm. However, in many places in the west and north of China, the precipitation during the solar terms is still very small. The average precipitation in Lhasa, Xining, Yinchuan and Lanzhou is around 1mm, while the precipitation in Beijing is only 2 mm.