What's the lowest temperature in Hami?

Hami is a typical temperate continental arid climate with a large temperature difference between day and night. There is a folk saying that "wear a fur coat in the morning, a wool in the afternoon and eat watermelon around the stove at night". In municipal districts outside mountainous areas, the annual maximum daily range is 26.7℃, the annual extreme maximum temperature is 43.9℃, and the annual extreme minimum temperature is -32℃.