Is there spring and autumn in Lishui?

Lishui belongs to subtropical monsoon climate, with four distinct seasons, warm and humid, abundant rainfall, long frost-free period and obvious three-dimensional climate in mountainous areas. The annual average temperature is18.3 ~1.5℃, and the annual average sunshine is 17 12 ~ 1825 hours. The frost-free period is 180 ~ 280 days. Annual average precipitation1400 ~ 2275 mm. In areas below 400 meters above sea level, spring begins in mid-March; Summer begins from the end of May to the beginning of June; Autumn is in the middle and late September-early September; Winter starts from165438+early February1late October. 72-88 days in spring; Summer102-116 days; 63-69 days in autumn; Winter is105-124 days. Every time it rises 100 m, the average spring delay is 2-3 days; Summer is postponed for 3-4 days; Fall 3-4 days in advance; Winter is 2-3 days ahead of schedule. Spring extension is about 1 day; Summer is shortened by 7-9 days; Autumn is extended for about 2 days; Winter is extended by 4-6 days. Spring: the weather changes quickly, the temperature fluctuates greatly, and there are many rainy, hail and windy weather. Summer: Early summer rainy season, with concentrated rainfall and heavy rain, often leads to floods. In midsummer, except for occasional typhoons that affect local thunderstorms, sunny and hot weather is dominant, with strong sunshine, high temperature, rapid evaporation and frequent droughts in summer. Autumn: autumn rain is short, there are many crisp days in autumn, and autumn drought is frequent. Winter: the northwest monsoon prevails, cold and dry, the cold wave in the north moves south, and the frost and snow are mixed.