Analysis of National Rainfall in 2023

Analysis of national rainfall in 2023;

The rain in 2023 is at 6: 24 on February 19, 2023, and on the 29th of the lunar calendar 1 month. Rain is the second of the 24 solar terms. Every year on February1August-20 in Gregorian calendar, when the solar calendar reaches 330 degrees, it is a rainy solar term. The rain solar term generally starts from February 18 to 20 and ends on March 4 or 5. At this time, the temperature rises, the snow melts and the precipitation increases, hence the name rain.

Meteorological and hydrological department forecast

In 2023, the average precipitation in the whole province was 850- 1200mm, about 20% more than normal. The mountains in the middle of Shandong are raised, with low-lying and flat southwest and northwest, and gentle hills in the east. The terrain is dominated by mountains and hills, with Shandong Peninsula in the east, North China Plain in the west and north, and mountains and hills in the south-central part, forming a landform with mountains and hills as the skeleton and criss-crossing plain basins.

Types include mountains, hills, terraces, basins, plains, lakes and other types; It spans five major water systems: Huaihe River, Yellow River, Haihe River, Xiaoqing River and Jiaodong. It belongs to warm temperate monsoon climate. Shandong's climate belongs to warm temperate monsoon climate type. Precipitation is concentrated, rain and heat are in the same season, spring and autumn are short, winter and summer are long. The annual average temperature is 1 1℃- 14℃, and the regional difference of temperature in Shandong province is greater than that in the north and south.