Neerslag — 2020
| Mois | Hoorn | Koggenland | Différence |
|---|---|---|---|
| Jan | 64.8 mm | 64.8 mm | +0.0 |
| Fév | 139.7 mm | 139.7 mm | +0.0 |
| Mar | 34.4 mm | 34.4 mm | +0.0 |
| Avr | 20.3 mm | 20.3 mm | +0.0 |
| Mai | 16.2 mm | 16.2 mm | +0.0 |
| Juin | 59.2 mm | 59.2 mm | +0.0 |
| Juil | 86.8 mm | 86.8 mm | +0.0 |
| Aoû |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |