Research, Policy and Practice
Table 1 Definition of temperature and rainfall indices selected from Zhang and Yang (2004)
Elements | Index | Descriptive names | Definition | Unit |
|---|---|---|---|---|
Tn | Tn10P | Cool night frequency | Percentage of days with TN < 10th percentile of 1980 to 2012 | % |
Tn | Tn90P | Warm night frequency | Percentage of days with TN > 90th percentile of 1980 to 2012 | % |
Tx | Tx10P | Cool day frequency | Percentage of days with TX < 10th percentile of 1980 to 2012 | % |
Tx | Tx90P | Warm night frequency | Percentage of days with TX > 90th percentile of 1980 to 2012 | % |
Rainfall | PRCPTOT | Annual total rainfall | Annual total PRCP in wet days (RR > 1 mm) | mm |
Rainfall | R5-days | Maximum 5Â days precipitation | Maximum 5Â days precipitation | mm |
Rainfall | R99P | Extremely wet days | Annual total PRCP when RR > 99th percentile | mm |