Neerslag — 2009
| Month | Chastre | Court-Saint-Étienne | Difference |
|---|---|---|---|
| Jan | – | 60.1 mm | – |
| Feb | – | 55.6 mm | – |
| Mar | – | 54.5 mm | – |
| Apr | – | 52.6 mm | – |
| May | – | 86.1 mm | – |
| Jun | – | 57.7 mm | – |
| Jul | – | 66.1 mm | – |
| Aug | – | 44.8 mm | – |
| Sep |
| – |
| 22.7 mm |
| – |
| Oct | – | 49.6 mm | – |
| Nov | – | 94.3 mm | – |
| Dec | – | 89.7 mm | – |