Neerslag — 2023
| Maand | Herstal | Oupeye | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 138.3 mm | 135.4 mm | +2.9 |
| Apr | 83.1 mm | 83.1 mm | +0.0 |
| Mei | 57.2 mm | 54 mm | +3.2 |
| Jun | 94.5 mm | 85.3 mm | +9.2 |
| Jul | 133.1 mm | 133.1 mm | +0.0 |
| Aug |
| 121.9 mm |
| 115.5 mm |
| +6.4 |
| Sep | 93.9 mm | 98.7 mm | -4.8 |
| Okt | 109.3 mm | 117.5 mm | -8.2 |
| Nov | 145.9 mm | 144.3 mm | +1.6 |
| Dec | 90.1 mm | 103.9 mm | -13.8 |