What's the difference between the wind direction in winter and summer in Jining?

Jining is located in the East Asian monsoon climate zone, belonging to the warm temperate monsoon climate with four distinct seasons. South in summer, affected by tropical marine air mass or denatured tropical marine air mass, with high temperature and rainy weather; There are many northerly winds in winter, influenced by polar continental air masses, and there are many sunny and cold weather; Spring and autumn are the adjustment periods of atmospheric circulation, and spring is prone to drought and windy, and it recovers quickly; It's cool in autumn, but sometimes it rains. Rich in light energy resources is a major feature of Jining's climate. The average annual temperature in Jining is13.3℃-14.1℃, and the average frost-free period is 199 days. The average annual precipitation is about 597-820mm.