Neerslag — 2025
| Mois | Alkmaar | Dijk en Waard | Différence |
|---|---|---|---|
| Jan | 102.6 mm | – | – |
| Fév | 40.9 mm | – | – |
| Mar | 5.2 mm | – | – |
| Avr | 15.9 mm | – | – |
| Mai | 42.4 mm | – | – |
| Juin | 82.3 mm | – | – |
| Juil | 87.1 mm | – | – |
| Aoû | 39.8 mm | – | – |
| Sep |
| 156.9 mm |
| – |
| – |
| Oct | 159.4 mm | – | – |
| Nov | 107.6 mm | – | – |
| Déc | 43.3 mm | – | – |