What is the impact of the temperature difference between day and night in Beijing reaching 13℃?

On February 20th, 65438, the highest temperature in Beijing rose to 8.6℃. In the afternoon, most parts of the city even reached above 9℃, which was very warm. It is expected that the fine weather will continue today and tomorrow, but it will still be cool in the morning and evening. Today and tomorrow, the highest temperature is 7 ~ 8℃, the lowest temperature is -6℃, and the temperature difference between day and night is above 13℃. However, warming is only temporary. Cold air will come on Saturday night, and the maximum temperature will drop to 4℃ again on Sunday. In addition, due to the large temperature difference between day and night and the dry weather, the number of people suffering from colds last week increased by 1 10.68% compared with the previous week.

Yesterday, Beijing warmed up and kept the blue sky, bringing rare comfort to the cold winter. According to the monitoring of the southern suburbs observatory, the lowest temperature appeared at 2: 07, which was -4℃, much warmer than the nearest -8℃. During the day, under the sunshine, the highest temperature rises to 8.6℃, and in the afternoon, the temperature in most parts of the city reaches above 9℃.

It will continue to maintain such fine weather, and the temperature has no obvious fluctuation. The Beijing Meteorological Observatory predicts that it will be sunny when going to work this morning, with a northerly wind of one or two grades and a temperature of-4 ~1℃; It is cloudy during the day and turns from north to south. The highest temperature is 7℃, and the weather is sunny around noon, which is more suitable for outdoor activities. It's sunny at night, and the south turns to the north wind. The lowest temperature is -6℃, and the temperature difference between day and night is 13℃. You should keep warm when you go out early and come back late.

On February 22, 65438, it was sunny during the day, and the northerly wind was between the second and third grades and the fourth grade. The highest temperature in plain area is 8℃, and the highest temperature in mountain area is 4 ~ 7℃. Sunny to cloudy at night, northerly wind 1, 2. The lowest temperature in plain area is -6℃, and the lowest temperature in mountain area is-10 ~-8℃. However, tomorrow is the winter solstice solar term, and "No.9" is about to begin. Cold is the main theme of winter. On Saturday night, a new weak cold air will hit Beijing again, and the maximum temperature will drop to 4℃ during the day on Sunday.

Recently, the daytime temperature in Beijing has risen, but the temperature is still below 0℃ in the morning and evening, and the temperature difference between day and night exceeds 10℃. In addition, the dry weather in Beijing since this winter is likely to cause various diseases, leading to an increase in the number of patients. According to the data of Beijing CDC, the number of people with influenza increased 1 10.68% last week compared with the previous week. Therefore, the public must pay attention to proper dressing and drink more hot water. In addition, entering the winter solstice solar term, the public should pay more attention to recharge their batteries in their daily lives, go to bed early and get up late, and the morning exercise time can be slightly delayed. It is advisable to eat lotus seeds, Euryale ferox, red beans, jujube, tremella and other foods.