What is the relationship between rain and farming in the twenty-four solar terms?

It rains around February 19 every year, and the sun reaches 330 degrees. "Rain" means that it begins to rain, and the rain gradually increases.

After the rain, the temperature in most parts of China rose to above zero. The temperature in South China is above 10 degrees, peaches and plums are in bud, and cherry blossoms are in full bloom. It is indeed a climatic spring.

The average daily temperature in the Huanghuai Plain has reached about 3 degrees, and the average temperature in the south of the Yangtze River is about 5 degrees. The average daily temperature in the middle and lower reaches of the Yangtze River ranges from 5 degrees to 7 degrees, and the precipitation ranges from 30 mm to 40 mm.. Wheat and barley have entered the jointing and booting stages.

The average temperature in North China and Northeast China is still below zero. This solar term has the same characteristics as * * *: it is warm and cold at first, and it is changeable. Note that cold wave intrusion will cause strong cooling and snowstorm.