What is the lowest temperature below zero in winter in Qira County, Hotan?

Qira County is located at the southernmost tip of Xinjiang, bordering Kunlun Mountain in the south, Taklimakan Desert in the north, Yutian in the east and Luopu in the west. The sunshine time in Qira County is long, the annual average wind speed is 1.9m/s, and the temperature rises rapidly in spring. In the spring plain, the monthly temperature is between 9-265 and 438 0℃, and the cold air activities are frequent. The extreme minimum temperature is -23.9℃ and the frost-free period is 209 days.