What is the standard in winter?
1, meteorological winter standard: China's winter standard in the meteorological sense is that the temperature is lower than 10℃ for five consecutive days.
2. The standard of winter in the traditional sense: In China, the arrival of the traditional "beginning of winter" solar term indicates that all localities have entered winter; In rural areas, there are many sayings in beginning of winter that "when it thunders in winter, all ten cowsheds are empty", which means that if it thunders in beginning of winter on this day, it means that the cold and warm air is active and it is easy to snow in winter. Therefore, it is necessary to do a good job in heat preservation and prevention of livestock and poultry breeding.
Approximate time of winter in different places:
1. In the northeast of Jilin, winter is earlier. According to the usual data, the temperature is lower than 10℃ for five consecutive days, generally around1October 8.
2. The winter time in Beijing is roughly at the end of 65438+ 10/65438+1early October every year.
3. The temperature in Henan, Shandong and other places has been below 10℃ for five consecutive days, generally in the middle of 1 1 every year.
4. In Nanjing, Jiangsu and other places, the winter time in previous years was around165438+1October 20th, but due to the climate uncertainty, winter was sometimes delayed.
5. In winter in Guangdong, because Guangdong is located in the south, the temperature will often be lower than 10℃ for five consecutive days after beginning of spring, and it will enter meteorological winter. However, due to the geographical location, the temperature often fluctuates greatly. Therefore, it is suggested that "beginning of winter solar terms" should be taken as the standard of beginning of winter.