Neerslag — 2023
| Mois | Héron | Braives | Différence |
|---|---|---|---|
| Jan | – | – | – |
| Fév | – | – | – |
| Mar | 109.1 mm | 120.4 mm | -11.3 |
| Avr | 72.1 mm | 77.6 mm | -5.5 |
| Mai | 53.9 mm | 49.9 mm | +4.0 |
| Juin | 55 mm | 48.6 mm | +6.4 |
| Juil | 110.9 mm | 108.5 mm | +2.4 |
| Aoû |
| 92.6 mm |
| 90.2 mm |
| +2.4 |
| Sep | 73.1 mm | 67.1 mm | +6.0 |
| Oct | 100.3 mm | 102 mm | -1.7 |
| Nov | 113.8 mm | 122.3 mm | -8.5 |
| Déc | 83.5 mm | 79.2 mm | +4.3 |