Neerslag — 2023
| Month | Spa | Verviers | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 156.1 mm | 173.3 mm | -17.2 |
| Apr | 96.5 mm | 101.7 mm | -5.2 |
| May | 61.2 mm | 66.6 mm | -5.4 |
| Jun | 91.1 mm | 107.1 mm | -16.0 |
| Jul | 149.5 mm | 147.4 mm | +2.1 |
| Aug |
| 156.1 mm |
| 146.8 mm |
| +9.3 |
| Sep | 75.9 mm | 81.8 mm | -5.9 |
| Oct | 110.2 mm | 108.1 mm | +2.1 |
| Nov | 180.6 mm | 181.3 mm | -0.7 |
| Dec | 165 mm | 147.3 mm | +17.7 |