Annual light time of Qijiang River

The annual illumination time of Qijiang River is about 1, 100 hours, which refers to the time when sunlight reaches the ground every year. Qijiang belongs to subtropical monsoon climate, with abundant rain in summer, high temperature and sufficient sunshine, and the annual illumination time is longer, generally around 1 200 hours. In winter, the temperature is low and the sunshine time is short, generally about 800 hours. The annual light time in Qijiang has an important influence on agricultural production and tourism development, and it is also one of the important reference indexes for people's life and work.