Neerslag — 1997
| Month | Chastre | Court-Saint-Étienne | Difference |
|---|---|---|---|
| Jan | – | 6.7 mm | – |
| Feb | – | 99.2 mm | – |
| Mar | – | 28.3 mm | – |
| Apr | – | 21.4 mm | – |
| May | – | 84.1 mm | – |
| Jun | – | 111.4 mm | – |
| Jul | – | 72.6 mm | – |
| Aug | – | 39.5 mm | – |
| Sep |
| – |
| 14.9 mm |
| – |
| Oct | – | 73.2 mm | – |
| Nov | – | 56.5 mm | – |
| Dec | – | 60.7 mm | – |