When does the fog at the top of Tianmen Mountain usually end?

The fog at the top of Tianmen Mountain usually ends at ten o'clock in the morning. The fog started at eleven o'clock in the evening, reached around two o'clock in the morning, and dispersed around ten o'clock the next morning. When the relative humidity reaches 100%, the water vapor in the air will condense into fine water droplets suspended in the air, which will reduce the visibility on the ground. This weather phenomenon is called fog. Most of them appear between February and April in spring. Tianmenshan National Forest Park, located 8 kilometers south of Zhangjiajie City, is a mountain-type natural scenic spot. The total area of the park is 96 square kilometers, the peak area is 2 square kilometers, and the elevation of the main peak is 15 18.6 meters.