By using the daily precipitation and daily mean air temperature data from 37 observation stations in Liaoning Province, the daily composite drought index (CI) in 1958-2007 was calculated.

• 摘要选取辽宁省37个观测站的日降水量和日平均气温，利用干旱综合指数方法计算了1958-2007年的每日干旱综合指数值(CI)。