|
Index | Index name | Definition of the Index | Units |
|
| Temperature intensity | | |
TXx | Max Tmax | Monthly maximum value of daily maximum temp | °C |
TNx | Max Tmin | Monthly maximum value of daily minimum temp | °C |
TXn | Min Tmax | Monthly minimum value of daily maximum temp | °C |
TNn | Min Tmin | Monthly minimum value of daily minimum temp | °C |
DTR | Diurnal temperature range | Monthly mean difference between TX and TN | °C |
| Duration | | |
WSDI | Warm spell duration indicator | Annual count of days with at least 6 consecutive days when TX > 90th percentile | Days |
CSDI | Cold spell duration indicator | Annual count of days with at least 6 consecutive days when TN < 10th percentile | Days |
| Frequency | | |
TN10p | Cool nights | Percentage of days when TN < 10th percentile | Days |
TX10p | Cool days | Percentage of days when TX < 10th percentile | Days |
TN90p | Warm nights | Percentage of days when TN > 90th percentile | Days |
TX90p | Warm days | Percentage of days when TX > 90th percentile | Days |
| Precipitation Intensity | | |
RX1day | Max 1-day precipitation amount | Monthly maximum 1-day precipitation | Mm |
Rx5day | Max 5-day precipitation amount | Monthly maximum consecutive 5-day precipitation | Mm |
SDII | Simple daily intensity index | Annual total precipitation divided by the number of wet days (defined as PRCP ≥ 1.0 mm) in the year | Mm/day |
R95p | Very wet days | Annual total PRCP when RR > 95th percentile | Mm |
R99p | Extremely wet days | Annual total PRCP when RR > 99th percentile | mm |
PRCPTOT | Annual total wet day precipitation | Annual total PRCP in wet days (RR ≥ 1 mm) | mm |
| Duration | | |
CWD | Consecutive wet days | Maximum number of consecutive days with RR ≥ 1 mm | Days |
CDD | Consecutive dry days | Maximum number of consecutive days with RR < 1 mm | Days |
| Frequency | | |
R10 mm | Number of heavy precipitation days | Annual count of days when PRCP ≥ 10 mm | Days |
R20 mm | Number of very heavy precipitation days | Annual count of days when PRCP ≥ 20 mm | Days |
|