中文说明：水文分析中干旱指标spi的计算代码，可计算多时间尺度的指标，黏贴成m文件即可，文件内有注释描述。
English Description：
The calculation code of drought index SPI in hydrological analysis can calculate indexes of multiple time scales, which can be pasted into m file with annotation description.
Calculation of drought index SPI in hydrological analysis
关注次数： 306
下载次数： 2
文件大小： 2K
中文说明：水文分析中干旱指标spi的计算代码，可计算多时间尺度的指标，黏贴成m文件即可，文件内有注释描述。
English Description：
The calculation code of drought index SPI in hydrological analysis can calculate indexes of multiple time scales, which can be pasted into m file with annotation description.license.txt
SPI.m