Neerslag — 2025
| Monat | Alkmaar | Dijk en Waard | Unterschied |
|---|---|---|---|
| Jan | 102.6 mm | – | – |
| Feb | 40.9 mm | – | – |
| Mär | 5.2 mm | – | – |
| Apr | 15.9 mm | – | – |
| Mai | 42.4 mm | – | – |
| Jun | 82.3 mm | – | – |
| Jul | 87.1 mm | – | – |
| Aug | 39.8 mm | – | – |
| Sep |
| 156.9 mm |
| – |
| – |
| Okt | 159.4 mm | – | – |
| Nov | 107.6 mm | – | – |
| Dez | 43.3 mm | – | – |