Neerslag — 2020
| Maand | Capelle aan den IJssel | Ridderkerk | Verschil |
|---|---|---|---|
| Jan | 50.7 mm | 45.3 mm | +5.4 |
| Feb | 117.9 mm | 123.7 mm | -5.8 |
| Mrt | 48.1 mm | 53.8 mm | -5.7 |
| Apr | 27.7 mm | 25.4 mm | +2.3 |
| Mei | 14.3 mm | 16.5 mm | -2.2 |
| Jun | 60.4 mm | 68.1 mm | -7.7 |
| Jul | 58 mm | 63.1 mm | -5.1 |
| Aug | – | – | – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |