Xining weather network

Xining, located in the east of Qinghai-Tibet Plateau, belongs to the continental climate of semi-arid plateau, which is characterized by dry and windy, cool in summer and cold in winter, less precipitation, large evaporation, strong solar radiation and large temperature difference between day and night. According to the meteorological data compiled from the surface climate data of Qinghai Province for 30 years (197 1 ~ 2000), the annual average temperature is 6.2℃; 1 is the coldest month with an average monthly temperature of -7. 1℃. It is the hottest in July, with the monthly average temperature of 17.3℃, the extreme minimum temperature of -24.9℃ and the extreme maximum temperature of 33.5℃ over the years, and the temperature has increased in recent years. The average annual precipitation is 366.8 mm, and the precipitation distribution is uneven. Generally concentrated in May-September, accounting for 865,438+0% of the total annual precipitation, with the characteristics of concentrated precipitation and heavy rain from May to September. The average number of thunderstorm days for many years is 27.0 days, and the evaporation capacity is1683.438+0mm. The dominant wind direction in the whole year and winter is southeast wind, with the annual average wind speed of1.8m/s and the maximum instantaneous wind speed of15.7m/s.: The maximum snow thickness over the years is 14.0cm, and the annual average air pressure is 772. 1 mbar. Average sunshine hours are 2703.2 hours, sunshine percentage is 6 1.0%, average relative humidity is 54%, minimum relative humidity is 0%, frost days are 7 1. 1 day, and thunderstorm days are 27.0 days on average. The maximum frozen soil depth is1.23m. ..