Neerslag — 2021
| Maand | Court-Saint-Étienne | Mont-Saint-Guibert | Verschil |
|---|---|---|---|
| Jan | 118.7 mm | – | – |
| Feb | 58 mm | – | – |
| Mrt | 54.5 mm | – | – |
| Apr | 38 mm | – | – |
| Mei | 77.9 mm | – | – |
| Jun | 139.4 mm | – | – |
| Jul | 156.8 mm | – | – |
| Aug | 115.7 mm | – | – |
| Sep |
| 26.7 mm |
| – |
| – |
| Okt | 91.5 mm | – | – |
| Nov | 38.1 mm | – | – |
| Dec | 67.9 mm | – | – |