哈密市巴里坤县暖季降水特征分析
Analysis of Precipitation Characteristics in the Warm Season in Barkol County, Hami City

根据哈密市巴里坤县1961~2024年暖季(5~9月)降水资料，运用线性回归法、F检验法和Mann-Kendall非参数化统计检验方法对暖季降水进行分析，得出巴里坤暖季降水特征，结果表明：(1) 巴里坤县暖季降水日数年际变化呈减少趋势，小雨日数占比最多，暴雨日数占比最少；(2) 月降水日数呈单峰性变化，7月降水日数最多，9月降水日数最少；(3) 暖季降水量平均为168.8 mm，年际变化和各月降水量均呈增加趋势；(4) 暖季最长连续降水日数7月出现最多，最长连续无降水日数9月出现最多。
Based on precipitation data from May to September (warm season) during 1961~2024 in Barkol County, Hami City, this study analyzes warm-season precipitation characteristics using linear regression, F-test, and Mann-Kendall non-parametric statistical methods. The results indicate: (1) The interannual variation of warm-season precipitation days in Barkol County shows a decreasing trend, with light rain days accounting for the highest proportion and heavy rain days the lowest. (2) Monthly precipitation days exhibit a unimodal pattern, with the highest number of precipitation days in July and the lowest in September. (3) The average warm-season precipitation amount is 168.8 mm, with increasing trends observed in both interannual and monthly precipitation. (4) The longest consecutive precipitation days occur most frequently in July, while the longest consecutive non-precipitation days are most common in September.