寿光市2020年气候变化特征分析

Analysis of Climatic Change in Shouguang City in 2020

摘要: 通过对寿光市2020年气温、降水、日照和风向风速等气象要素进行综合统计分析，得出：寿光市2020年平均气温14.0℃，较历年平均气温偏高0.7℃；2020年非冷、暖冬年，年高、低温日数分别为10个和2个，年高、低温值均未突破历史极值。寿光市2020年降水日数81天，年降水总量745.6毫米，较历年平均值偏多187.1毫米，为偏涝年份。2020年寿光市年日照时数2538.9小时，较历年平均日照时数偏多94.0小时；年日照百分率为57%，年晴、阴天日数分别为213天和74天。寿光市2020年平均风速1.8 m/s，年主导风向SW。2020年气温较历年偏高，降水、日照均较历年偏多，主要的灾害性天气为雷雨大风和冰雹。

Abstract: Through the comprehensive statistical analysis of meteorological elements such as temperature, precipitation, sunshine, wind direction, and wind speed in Shouguang City in 2020, it is concluded that: The annual mean temperature of Shouguang City in 2020 is 14.0˚C, 0.7˚C higher than perennial mean temperature; 2020 is not a warm winter or cold winter year with annual high and low temperature days of 10 and 2 respectively, and the annual high and low temperature did not exceed the historical extreme value. The number of rainy days in Shouguang City in 2020 is 81, the total annual precipitation is 745.6mm, 187.1mm more than the perennial mean, which is a waterlogging year. In 2020, the annual duration of sunshine in Shouguang City is 2538.9 hours, 94.0 hours more than the annual average sunshine hours; the annual sunshine percentage is 57%, and the annual sunny and cloudy days are 213 and 74 days respectively. The average wind speed of Shouguang City in 2020 is 1.8 m/s, and the annual dominant wind direction is SW. The temperature in 2020 is higher than that in previous years, with more precipitation and sunshine. The main disastrous weather is thunderstorm, gale and hail.