| Index | Name | Definition | Unit |
| TXx | Max Tmax | maximum value of daily maximum temp | ˚C |
| TNn | Min Tmin | Monthly minimum value of daily minimum temp | ˚C |
| TN90p | Warm nights | Percentage of days when TN > 90th percentile | Days |
| TX90p | Warm days | Percentage of days when TX > 90th percentile | Days |
| 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 |
| DTR | Diurnal temperature range | Monthly mean difference between TX and TN | ˚C |