山西除了特旱日数呈小幅下降趋势外（线性变化趋势依次为-0.0177d•

In Shanxi, except for the number of extreme drought days which showed a slight downward trend (the linear change trend was -0.0177d•a-1), the number of light drought, moderate drought and severe drought days all showed a slight increase trend, followed by 0.6899d•a-1, 0.1984d• a-1 and 0.0151d• a-1 (pass the 95% significance test);

Except that the number of extremely dry days in Shanxi showed a slight downward trend (the linear change trend was -0.0177d • A-1), the number of light, medium and heavy drought days showed a slight upward trend, which were 0.6899d • A-1, 0.1984d • A-1 and 0.0151d • A-1 (passing the 95% significance test);

Except for the extreme drought days in Shanxi, which showed a slight downward trend (the linear change trend was-0.0177 da-1 in turn), the days of light drought, moderate drought and severe drought all showed a slight increase trend, which were 0.6899 DA-1, 0.1984 DA-1 and 0.0151 DA-1 in turn (passed 95% significance test);