Neerslag — 2020
| Maand | Goeree-Overflakkee | Nissewaard | Verschil |
|---|---|---|---|
| Jan | 49.7 mm | 47 mm | +2.7 |
| Feb | 111.5 mm | 114.8 mm | -3.3 |
| Mrt | 50.8 mm | 49.4 mm | +1.4 |
| Apr | 28.1 mm | 25.6 mm | +2.5 |
| Mei | 9.4 mm | 11.3 mm | -1.9 |
| Jun | 77.5 mm | 72.3 mm | +5.2 |
| Jul | 59.8 mm | 61.7 mm | -1.9 |
| Aug | – | – | – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |