Neerslag — 2005
| Month | Court-Saint-Étienne | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 33.7 mm | – | – |
| Feb | 64.9 mm | – | – |
| Mar | 40.5 mm | – | – |
| Apr | 62.9 mm | – | – |
| May | 86.3 mm | – | – |
| Jun | 46 mm | – | – |
| Jul | 91 mm | – | – |
| Aug | 65.3 mm | – | – |
| Sep |
| 44 mm |
| – |
| – |
| Oct | 43.1 mm | – | – |
| Nov | 51.6 mm | – | – |
| Dec | 28.8 mm | – | – |