Neerslag — 2026
| Mois | Altena | Gorinchem | Différence |
|---|---|---|---|
| Jan | – | 82.1 mm | – |
| Fév | – | 61.7 mm | – |
| Mar | 8.8 mm | 58 mm | -49.2 |
| Avr | 1 mm | 3.2 mm | -2.2 |
| Mai | 72.5 mm | 72.5 mm | +0.0 |
| Juin | 64.6 mm | 64.7 mm | -0.1 |
| Juil | 16.5 mm | 16.5 mm | +0.0 |
| Aoû |
| 62.7 mm |
| 62.5 mm |
| +0.2 |
| Sep | 50.1 mm | 50.3 mm | -0.2 |
| Oct | 89 mm | 88.7 mm | +0.3 |
| Nov | – | – | – |
| Déc | – | – | – |