The origin of light summer heat

According to the "twenty-four solar terms" and "June Festival" ... the summer heat is also hot, and it is small at the beginning of the month and large at the end of the month, and it is still small today. "Summer means hot, which means the weather is getting hot, but it is not the hottest, and most parts of the country are basically in line with it.

Phenological phenomenon of slight summer heat

Wu Cheng, a scholar in Yuan Dynasty, edited Twenty-four Solar Terms. According to the scenery around the Yellow River Basin and the characteristics of the twenty-four solar terms, he divided the twenty-four solar terms into "seventy-two periods", and each solar term was divided into three periods. The third phase of the summer heat is: "When the wind is warm; Second, wait for crickets to live in space; The third waiting eagle began to crow. "

In summer, there is no cool wind on the earth, and all the winds carry heat waves; The Book of Songs? In July, the words to describe crickets are "July is in the wild, August is in the house, September is in the house, and October crickets enter my bed." August mentioned in this paper is June in the summer calendar, which is a short time in summer. Because of the heat, crickets leave the field and go to the corner of the yard to escape the heat. In this solar term, the eagle is in the cool high air movement, because the ground temperature is too high.