What kind of wind blows in Dongying, Shandong Province in winter and what causes it?

Spring is dry and windy, early spring is changeable, late spring is often cold, and late spring is rapid, which often causes spring drought; Summer is hot and rainy, hot and humid, and sometimes it is attacked by typhoons; In autumn, the temperature drops, the rain drops sharply, and the autumn is crisp; In winter, the weather is dry and cold, the cold wind blows frequently, the rain and snow are scarce, and the north wind and northwest wind blow more. There is no obvious difference in climate between north and south of China. The climate characteristics of Dongying city in 2000 are: high temperature, hot summer, cold winter and little cold; Sunshine is close to normal, slightly less; The precipitation is obviously less and unevenly distributed in time and space, and there is a rare phenomenon of continuous drought in spring and summer. What is the average temperature in the city? 13.6 ? ℃, higher than normal by 65438 0.65438 0℃, with little regional difference. The annual extreme maximum temperature is 38.2℃, which appears in Lijin County (July 1). The annual extreme minimum temperature is-15.7℃, which appears in Guangrao County (65438+1October 25th). The average temperature of the hottest month in Leng Yue is -3.7℃ in 65438+ 10, and it is 28.8℃ in July. Days of high temperature in summer (daily extreme maximum temperature is greater than or equal to? 35.0 ? From 9 to 24 days, Guangrao County has the most, and Hekou District has the least. The high temperature period mainly occurs in July. The number of cold days in winter (daily extreme minimum temperature-10℃ ~ 15℃) is 8 ~ 18 days, with the most in Guangrao County and the least in Dongcheng. The severe cold day with daily extreme minimum temperature less than or equal to-15℃ only appears in Guangrao County 1 day, and does not appear in other places.