Neerslag — 2020
| Month | Hardinxveld-Giessendam | Molenlanden | Difference |
|---|---|---|---|
| Jan | 42.7 mm | 47.6 mm | -4.9 |
| Feb | 127.8 mm | 127.7 mm | +0.1 |
| Mar | 55.1 mm | 53 mm | +2.1 |
| Apr | 23.2 mm | 25.3 mm | -2.1 |
| May | 14.2 mm | 20.5 mm | -6.3 |
| Jun | 64.2 mm | 67.6 mm | -3.4 |
| Jul | 63.5 mm | 62.4 mm | +1.1 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |