Neerslag — 2026
| Month | Goeree-Overflakkee | Nissewaard | Difference |
|---|---|---|---|
| Jan | 107.1 mm | – | – |
| Feb | 76.7 mm | – | – |
| Mar | 63.3 mm | 5 mm | +58.3 |
| Apr | 1.6 mm | 2 mm | -0.4 |
| May | 48.9 mm | 56.9 mm | -8.0 |
| Jun | 77.6 mm | 79.2 mm | -1.6 |
| Jul | 13.1 mm | 13.3 mm | -0.2 |
| Aug |
| 49.4 mm |
| 52.3 mm |
| -2.9 |
| Sep | 69.9 mm | 66.8 mm | +3.1 |
| Oct | 93.5 mm | 92.4 mm | +1.1 |
| Nov | – | – | – |
| Dec | – | – | – |