Climatic characteristics of Guangdegong town
Often the air is dry and the wind blows frequently; Summer is hot, the weather is short and the precipitation is concentrated; In autumn, the sky is clear in Wan Li, the cold wave suddenly rises and the rainfall drops sharply; Winter is long and cold, and the north wind is more than the west wind. The annual average temperature is 5.8℃, and the monthly average temperature of 10-12.5℃. The average temperature in July is 22.5 degrees Celsius. The extreme maximum temperature in the flag is 39.8℃( 1965, 1972 in summer) and the extreme minimum temperature is -33.8℃( 1959 in summer). The annual precipitation is 370mm, the evaporation is 2 138.8mm, and the summer precipitation accounts for about 75% of the annual precipitation. The annual sunshine hours are 2850 ~ 3000 hours. The active accumulated temperature greater than 10℃ in the west is1100 ~1500℃, 2 700 ~ 3 000℃ in the middle and 2 800 ~ 3 100℃ in the east. The frost-free period is 90 ~ 140 days. The annual maximum precipitation is 564.3mm, the minimum is only 269.4mm, and the maximum daily precipitation is132.8 mm (1August 26th, 966). The number of windy days above Grade 8 in the whole flag is about 40 days per year. The annual average wind speed is 4.0 ~ 4.2m/s in the east and 3.5 ~ 3.7m/s in the west.