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Table 1 Precipitation indices used in the study

From: Hydrological impacts of precipitation extremes in the Huaihe River Basin, China

Index Explanation Definition Unit
CDD Consecutive dry days Maximum number of consecutive days with daily precipitation <1 mm day
CWD Consecutive wet days Maximum number of consecutive days with daily precipitation ≥1 mm day
PRCPprb Precipitation probability Probability of wet days (with precipitation ≥1 mm) %
PRCPtot Annual total wet-day precipitation Annual or monthly total precipitation in wet days (precipitation ≥1 mm) mm
R95p Heavy precipitation totals Annual total precipitation when precipitation >95th percentile mm
RX1 day Max 1-day precipitation amount Annual or monthly maximum 1-day precipitation amount mm
RX5 day Max 5-day precipitation amount Annual or monthly maximum precipitation amount in 5 consecutive days mm
SDII Simple precipitation intensity indicator Total annual precipitation divided by the total number of wet days (with precipitation ≥1 mm) mm/day
MinFLow Minimum streamflow Annual or monthly minimum streamflow m3/s
FLow Mean streamflow Annual or monthly mean streamflow m3/s
FX1 day Maximum 1-day streamflow Annual or monthly maximum 1-day streamflow m3/s
FX5 day Maximum 5-day mean streamflow Annual or monthly maximum streamflow in 5 consecutive days m3/s