Geographical climate of Liqiandi in Baiyangdian Lake

The climate of Liqiandi in Baiyangdian belongs to the humid and warm temperate zone in the eastern monsoon region, with four distinct seasons, less rain and windy in spring, cool and dry, rapid temperature rise and large evaporation. Summer is hot and humid, and rainy and hot weather occurs from time to time; In autumn, the sky is clear, the wind is slightly cool, the temperature drops rapidly, and the temperature difference between day and night is large; Winter is cold and dry with little snow, accompanied by cold wave and northwest wind. The annual average temperature in this area is 12.7℃, and the annual cooling range has little change, but the annual range is large. The average temperature in January is MINUS 4 degrees. 8 degrees, the hottest in July, with an average temperature of 26. 5 degrees, the frost-free period is 188 days, and the annual total solar radiation is 128. 4 kcal/cm2, with an average annual precipitation of 557. Four millimeters. The average annual rainfall is 557.4 mm, which varies greatly from year to year. The maximum annual rainfall is 1077.4 mm, and the minimum rainfall is only 232.2 mm (according to the data of 1959- 1978). The annual rainfall is highly concentrated in summer, especially from mid-July to late August, and the average rainfall of these 40 days accounts for almost half of the total annual rainfall.