Climate Change in Four Seasons in Nanchong, Sichuan

Nanchong city, Sichuan province belongs to the humid monsoon climate zone in the middle subtropical zone, with four distinct seasons and the same season of rain and heat. Light and hot water are mainly distributed in crop growing areas; Climate characteristics: early spring, long summer, short autumn, less frost and snow, warm winter; The annual average temperature is about 65438 07℃; The annual sunshine time is within the range of 1200- 1500 hours; The annual rainfall is 1 100 mm; Catastrophic weather (such as autumn rain, drought, flood, strong wind, hail, etc.). ) It is frequent and lasts for a long time, and the northwest wind is dominant throughout the year.