What is the main wind direction in Changchun City, Jilin Province all year round?

Changchun City is located in the middle of Jilin Province, east longitude 125 18, north latitude 43 55. It belongs to the continental monsoon climate in the north temperate zone, with long, dry and cold winters and short and humid summers. The annual average temperature is 5.8℃, the extreme maximum temperature is 34.6℃, the extreme minimum temperature is -36.4℃, the maximum frozen soil depth is 1.6- 1.85 m, and the heating period is 1 October 1/to the following April/.