Geographical environment of shiquan county

Shiquan is a subtropical monsoon humid climate with four distinct seasons, less rainfall in winter and spring, mild climate, high temperature in summer and wet and rainy in autumn. The main meteorological data are: annual average temperature 14.5℃, annual extreme maximum temperature 410.4℃, annual extreme minimum temperature-10.8℃, annual average temperature 14.6℃, annual temperature difference 25℃ and annual average temperature daily range/kloc-.

Natural conditions have a transitional color from north to south, mainly with southern characteristics, and the vertical difference is obvious. Four distinct seasons, abundant rainfall, sufficient heat, mild and humid, and frequent disastrous weather. In terms of time allocation, there are great seasonal differences and uncoordinated proportions. In spring, the temperature rises rapidly, is unstable, changes greatly, and there are often cold waves, frost, strong winds and floating dust. In winter, affected by Mongolian high pressure and polar metamorphic continental air mass, the weather is cold, with less rainfall and more drought. In spring, the heating mass is gradually strengthened, the temperature is getting higher and higher, and it is rainy in late spring; In summer, affected by Mongolia low pressure and Pacific subtropical ocean air mass, precipitation is concentrated, local floods occur, and summer drought often occurs; In autumn, cold and warm air masses appear alternately, with continuous rainfall, often accompanied by low temperature. After 10, the temperature dropped rapidly and the precipitation decreased.