ANALYSIS OF TEMPERATURE AND PRECIPITATION CHANGES IN HONGTA DISTRICT FROM 2009 TO 2023
Using the monthly average temperature,maximum temperature and precipitation data of Yuxi National Basic Meteorological Station from 2009 to 2023,the linear tendency estimation method was selected to analyze the change characteristics of temperature and precipitation in Hongta District.The results show that the annual aver-age temperature,maximum temperature,and minimum air temperature in Hongta District all show an increasing trend and have not passed the significance level test,indicating that the trend of annual average temperature,maximum/low temperature changes is not significant;Except for winter,the spring,summer,and autumn in Hongta District are mainly characterized by an upward trend,with the summer warming trend being the most sig-nificant and contributing the most to the annual average temperature increase;The average annual precipitation in Hongta District is 787.3mm,showing an increasing trend.The trend rate of climate change is 158.28mm/10a,which did not pass the significance level test,indicating that the increasing trend of annual precipitation in Hongta District is not significant;The annual precipitation in Hongta District mainly occurs from May to October each year,accounting for 81.9％of the annual precipitation.The annual precipitation has obvious seasonal variation characteristics,with summer precipitation being the most concentrated,accounting for 55.5％of the annual pre-cipitation;Next are autumn and spring,which account for 23.0％and 13.8％of annual precipitation,respec-tively.Winter has the lowest precipitation,only 7.6％of annual precipitation.
temperatureprecipitationchange characteristicsHongta District
NETL
NSTL
万方数据
