Neerslag — 2017
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 57.2 mm | – | – |
| Feb | 47.8 mm | – | – |
| Mar | 53.5 mm | – | – |
| Apr | 25 mm | – | – |
| May | 59.6 mm | – | – |
| Jun | 51.4 mm | – | – |
| Jul | 75.6 mm | – | – |
| Aug | 63 mm | – | – |
| Sep |
| 74.7 mm |
| – |
| – |
| Oct | 30.3 mm | – | – |
| Nov | 80.2 mm | – | – |
| Dec | 102.9 mm | – | – |