Neerslag — 2021
| Month | Châtelet | Aiseau-Presles | Difference |
|---|---|---|---|
| Jan | 132 mm | – | – |
| Feb | 58.8 mm | – | – |
| Mar | 62.3 mm | – | – |
| Apr | 39.8 mm | – | – |
| May | 87.8 mm | – | – |
| Jun | 149.1 mm | – | – |
| Jul | 156.7 mm | – | – |
| Aug | 115.8 mm | – | – |
| Sep |
| 34.7 mm |
| – |
| – |
| Oct | 107.1 mm | – | – |
| Nov | 39.9 mm | – | – |
| Dec | 86.7 mm | – | – |