Neerslag — 2025
| Month | Zuidplas | Krimpen aan den IJssel | Difference |
|---|---|---|---|
| Jan | 93.5 mm | 97.5 mm | -4.0 |
| Feb | 35.3 mm | 37.2 mm | -1.9 |
| Mar | 7.3 mm | 7.8 mm | -0.5 |
| Apr | 30.8 mm | 30.8 mm | +0.0 |
| May | 51.8 mm | 40 mm | +11.8 |
| Jun | 52.1 mm | 59.8 mm | -7.7 |
| Jul | 98 mm | 84.9 mm | +13.1 |
| Aug | 41.6 mm | 35 mm | +6.6 |
| Sep | 40.2 mm | 51.5 mm | -11.3 |
| Oct | 132.5 mm | 129.4 mm | +3.1 |
| Nov | 66.8 mm | 70.5 mm | -3.7 |
| Dec | 24.9 mm | 24.1 mm | +0.8 |