Historical weather in Minhou, Fuzhou

Minhou County, under the jurisdiction of Fuzhou City, belongs to the low-altitude area along the Minjiang River with subtropical monsoon climate and has the characteristics of tropical climate in South Asia. In the Tang Dynasty, Korean poetry said: "There are flowers in the fourth order, long rain, and thunder in the winter without snow." The territory is located in the southeast of Fujian, with a maritime climate and mild climate, with an annual average temperature of 65438 09.5℃. The annual rainfall in the territory is1200 ~ 2100 mm, and the average annual rainfall is 1673.9 mm. The average rainy days in the county are 150 days, accounting for 4 1.8% of the annual days. The annual total radiation is 107.3 kcal /CM2. The highest is 109.7 kcal /CM2, and the lowest is 103.7 kcal /CM2. The annual frost-free period is 240 ~ 320 days. The annual average temperature in China is 14.8℃ ~ 19.5℃. In a year, July to August is the hottest, with an average monthly temperature of 23.6℃ ~ 29.3℃. 65438+February is the coldest, and the monthly average temperature is 6℃ ~ 10.5℃. The annual average maximum temperature is 23.6℃, and the annual average minimum temperature is 16.4℃. The extreme maximum temperature is 38℃ ~ 40.6℃, and the extreme minimum temperature is -4℃. The whole year is roughly divided into March-June in spring, July-September in summer, autumn 10- 1 1, winter 12- February of the following year. The lowest temperature is 1 month, and the monthly average temperature is 6℃ ~ 10.5℃. After February, the temperature gradually rose, with the biggest increase in April, reaching about 5℃. In July, the temperature rose to the highest value, with a monthly average of 23.6℃ ~ 29.2℃. After August, the temperature gradually decreased with the range of 10 ~ 168. The interannual variation of air temperature is small, with annual variation range of 1℃, annual variation range of1.5℃ ~19.5℃ and daily variation range of 6.5℃ ~ 7.8℃. Sunny, abundant rainfall, long frost-free period, no heat in summer and no cold in winter. Because of the obvious vertical temperature difference, the temperature decreases with the elevation, and the reduction rate is -0.46℃~ 0.53℃/ 100 m. Most of the Great Lakes, Tingping and Liyang in the northern mountainous areas are above 500 meters above sea level, and the annual average temperature is16℃ ~17℃. Hongwei, Baisha, Zhuqi and Jingxi in the hilly valley on both sides of the Minjiang River in the middle are below 500 meters above sea level, and the annual average temperature is17℃ ~ 20℃; Xiang Qian, Qingkou, Shanggan, Nantong, Nanyu, Minjiang, Shang Jie and sugarcane in the southeast estuary plain have an annual average temperature of 19.5℃ ~ 20℃ in the plains and low mountains with an altitude of 5 ~ 100 meters. Historically, the lowest extreme temperature in China was 12 years 10, and the highest extreme temperature was 0955+-4℃65438+65438 in July, 1988, and the temperature was as high as 40.6℃.