In what year did the temperature in Zhuhai exceed zero?

According to the following documents, Zhuhai has never had a temperature below zero since its own meteorological records.

Since 1956, the annual average temperature in Zhuhai is 22.4℃, which is slightly higher than that in Chinese mainland and 22.5℃ in Dawanshan Island. The interannual variation of temperature is generally between 265438 0.6℃ and 23.2℃. The highest annual average temperature is 1966, which is 23.3℃. The lowest temperature is 1984, 2 1.6℃, and the extreme lowest temperature is 2.5℃ (19765438+February 29th). The extreme maximum temperature is 39.5℃ (1July 980 10).