Table 2.
Main historical trends observed in France
| Number of departments experiencing at least one heat wave during the period | Number of heat wave days * department during the period | Number of years without any heat wave | Number of departments with at least one heat wave per year | Cumulated severity over the decade (°C) | Cumulated exposure (population * °C above thresholdsmillions person °C) | Excess mortality during heat waves (mean estimate) | |
|---|---|---|---|---|---|---|---|
| 1970–1979 | 50 | 515 | 5 | 0 | 1273 | 943 | 6547 |
| 1980–1989 | 85 | 666 | 5 | 0 | 758 | 356 | 4113 |
| 1990–1999 | 76 | 681 | 2 | 0 | 717 | 511 | 3111 |
| 2000–2009 | 96 | 2.130 | 1 | 0 | 5991 | 3794 | 17,190 |
| 2003 | 96 | 1.267 | - | - | 5114 | 3154 | 15,257 |
| 2010–2019 | 95 | 2.859 | 1 | 11 | 2676 | 2027 | 6407 |
| 2015–2019 | 95 | 2.252 | 0 | 11 | 2103 | 1717 | 5700 |