Neerslag — 2020
| Mois | Andenne | Héron | Différence |
|---|---|---|---|
| Jan | 42.3 mm | 42.3 mm | +0.0 |
| Fév | 139.1 mm | 139.1 mm | +0.0 |
| Mar | 75.5 mm | 75.5 mm | +0.0 |
| Avr | 29 mm | 29 mm | +0.0 |
| Mai | 22.1 mm | 22.1 mm | +0.0 |
| Juin | 68.9 mm | 68.9 mm | +0.0 |
| Juil | 49.4 mm | 49.4 mm | +0.0 |
| Aoû |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |