Climatic characteristics of Chakou Township

Chakou Township, Gujiao City has a warm temperate semi-arid continental monsoon climate, with four distinct seasons, long winter and short summer, long spring and short autumn, and both rain and heat. Its atmospheric circulation features: cold and dry in winter (165438+10-March), warm, wet and rainy in summer (June-August), dry and windy in spring (April-May) and short and cool in autumn (9-165438+/kloc). The prevailing wind direction in China is mainly SE (southeast) wind, with an average frequency of 13%, followed by S (south) wind, N (north) wind and NW (northwest) wind, with an annual average wind speed of 2.4 m/s, an annual average total solar radiation of 72. 1 kcal/cm2, and an annual average sunshine hours of. The annual average temperature is 7.9℃, the extreme minimum temperature is -27.0℃, the frost-free period is 145 days, and the annual average rainfall is 420mm. The rainfall is concentrated in summer (June and August), accounting for 60% of the township's annual precipitation, and the autumn precipitation accounts for 23% of the township's annual precipitation, and the spring accounts for 13% of the township's annual precipitation. The disastrous weather is mainly drought, and hail, flood, strong wind and freezing occur from time to time.