When will fog appear in Dongjiang Lake?

From April to October every year, the fog on the Jiang Xiaodong River is like an hour after sunset. The principle of fog formation is the temperature difference between water and atmosphere. Jiang Xiaodong River is called a small glacier, and its water flows from the bottom of Dongjiang Lake dam (100 meters), and the water temperature is between 12 and 17 degrees all the year round.

Dongjiang River is said to be foggy in Dongjiang River, but the fog after rain will be beautiful, especially in April and October, especially in mountainous areas.