| Indice | Descriptive name | Definition | Units |
| P | Annual precipitation total of wet day | Annual total precipitation for wet day | mm |
| R1 | Number of wet days precipitation | Annual count of days when R ≥ 1 mm | days |
| CDD | Consecutive dry days | Maximum number of consecutive dry days | days |
| CWD | Consecutive wet days | Maximum number of consecutive wet days | days |
| R20 mm | Very heavy precipitation days | Annual count of days when RR ≥ 20 | days |
| SDII | Simple daily intensity indiex | Average precipitation on wet days | mm/day |
| RX1day | Maximum 1-day precipitation | Annual maximum 1-day precipitation | mm |
| Rx5day | Maximum 5-day precipitation | Annual maximum consecutive 5-day precipitation | mm |