What is the lowest temperature in Suzhou since the meteorological record?

In winter, Suzhou is controlled by Chinese mainland's cold and high pressure, with cold and little rain, and the days when the daily minimum temperature is below 0℃ account for 93% of the whole year. The average temperature in winter is 4.3℃, and the average minimum temperature is 1. 1℃. 65438 10 is the coldest period in a year, with an average daily temperature of 3.0℃. Average minimum temperature-0.1℃; Cold weather with daily minimum temperature