Neerslag — 2026
| Month | Koggenland | Hoorn | Difference |
|---|---|---|---|
| Jan | – | 85.1 mm | – |
| Feb | – | 55.2 mm | – |
| Mar | 1.8 mm | 28.9 mm | -27.1 |
| Apr | 3.4 mm | 3.6 mm | -0.2 |
| May | 40.9 mm | 40.9 mm | +0.0 |
| Jun | 107 mm | 106.9 mm | +0.1 |
| Jul | 15 mm | 15 mm | +0.0 |
| Aug |
| 69.4 mm |
| 69.5 mm |
| -0.1 |
| Sep | 94.5 mm | 94.4 mm | +0.1 |
| Oct | 99.8 mm | 99.2 mm | +0.6 |
| Nov | – | – | – |
| Dec | – | – | – |