Light time in Ningxia

The central and northern Ningxia has a dry climate and abundant light and heat resources. The annual sunny days are about 300 days, the annual sunshine hours are about 3000 hours, the accumulated temperature of daily average temperature ≥ 10℃ is nearly 3400℃, and the daily temperature difference is about 13℃.

The average annual sunshine hours in Yinchuan are about 2,800 hours, which exceeded 3,000 hours in 1950s and 1980s, while the average annual sunshine hours in Lhasa are only 3,000 hours. According to the calculation of total solar radiation, Ningxia is listed as a first-class region by the state, and it is the region with the richest solar energy resources in China. The annual total solar radiation is 6680 ~ 8400 MJ/㎡, which is equivalent to 5. 1 ~ 6.4 kWh/. These areas include northern Ningxia, northern Gansu, eastern Xinjiang, western Qinghai and western Tibet. The data comes from the solar energy encyclopedia entry Yinchuan's solar energy is very rich and is being developed.