| Index | Index abbreviate | Unit |
| Percentage of days with daily Tm (mean surface temperatures) > 90th percentile on running 5 day windows (= warm days) | TG90P | % |
| Percentage of days with daily TX (maximum temperatures) > 90th percentile on running 5 day windows (= very warm days) | TX90P | % |
| Percentage of nights with daily minimum temperatures TN >90th percentile on running 5 day windows (= warm nights) | TN90P | % |
| «Hot Days: “HtD”» (= days with TX > 35˚C) | HtD | Count in day |
| «Tropical Nights: “TrN”» (= nights with TN > 20˚C) | TrN | Count in day |
| Number of Heat Waves | HW | Count in day |
| Warm spell days | WSD | Length in day |