Neerslag — 2026
| Mois | Estaimpuis | Pecq | Différence |
|---|---|---|---|
| Jan | 82.4 mm | 82.4 mm | +0.0 |
| Fév | 99.5 mm | 99.5 mm | +0.0 |
| Mar | 44.6 mm | 44.5 mm | +0.1 |
| Avr | 14.2 mm | 30.3 mm | -16.1 |
| Mai | 65.8 mm | 65.8 mm | +0.0 |
| Juin | 74.6 mm | 74.6 mm | +0.0 |
| Juil | 10.9 mm | 10.9 mm | +0.0 |
| Aoû |
| 61.5 mm |
| 61.5 mm |
| +0.0 |
| Sep | 10.9 mm | 9.8 mm | +1.1 |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |