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What is the meaning of Bailu weather change

DailyBird Culture 2021-10-09 1 0

Bailu belongs to the twenty-four solar terms, which is the fifteenth solar term. At the time of Bailu, the weather began to change. What is the change of Bailu weather? What does Bailu mean? Next, let's follow the old yellow calendar of this issue and have a look!

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Bailu on the auspicious day of construction in 2020? 1. The proverb goes: "Bailu autumn night, cool night", which means to describe the accelerated rate of temperature decline. With the weakening of sunshine and the cooling effect of cold air, especially after an autumn rain, the minimum temperature decreases significantly. The temperature difference between the maximum temperature and the minimum temperature in China is gradually increasing, that is, the daily range commonly known in meteorology is increasing. 2. After entering the Bailu solar term, the summer wind is gradually replaced by the winter wind, and the cold air goes south in batches, which often brings a certain range of cooling range. According to data records, the average daily range in East China is 5 ~ 9 ℃, that in central and South China is 7 ~ 12 ℃, that in North China is 10 ~ 15 ℃, and that in Northwest and Northeast China is even greater, even reaching 18 ~ 20 ℃. Therefore, the temperature difference between day and night before and after White Dew is the second largest period only next to spring.


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3. The precipitation in northern China has decreased significantly, and it is crisp and dry in autumn. The east of Southwest China, South China and West China also often have continuous cloudy and rainy weather. In some northern regions, such as Shaanxi, Shanxi, Gansu, North China and other places in the northwest, the autumn precipitation was relatively small. If there is a serious autumn drought, it will not only affect the autumn crop harvest, but also delay the sowing and seedling growth of autumn crops, affecting the harvest of the next year. 4. Autumn drought, forest fire risk, early frost and other weather may occur in some areas. 5. If the summer drought in the middle and lower reaches of the Yangtze River, the summer drought in West China and South China is not moistened by autumn rain, it may form continuous drought in summer and autumn.

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Bai Lu expresses the meaning around September 8 every year. According to the collection solution of the seventy-two seasons of the lunar calendar, "Yin (gradually witch, dew condenses and white)." Bai Lu, the weather gradually turns cool and the white weather is warm, Evening: sooner or later, the water vapor near the ground will begin to condense into dew on plants and crops, hence the name of Bailu Festival. Autumn harvest crops are about to mature in most parts of China, and the land of the motherland is golden. From the White Dew, the weather began to turn cool in most parts of China. As the saying goes, "White Dew does not reveal the body." it tells people that the heat has run out and should not be used up again. As the saying goes, "dress disorderly in February and August." it means that the weather changes in spring and autumn and how much clothes to wear, which should be prepared according to the climate and everyone's own needs.

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