Neerslag — 2024
| Maand | Alphen aan den Rijn | Waddinxveen | Verschil |
|---|---|---|---|
| Jan | 69.9 mm | 64.6 mm | +5.3 |
| Feb | 124.1 mm | 119.9 mm | +4.2 |
| Mrt | 67.7 mm | 70.2 mm | -2.5 |
| Apr | 97.7 mm | 97.5 mm | +0.2 |
| Mei | 158.9 mm | 166.1 mm | -7.2 |
| Jun | 83.1 mm | 85 mm | -1.9 |
| Jul | 125.5 mm | 110.6 mm | +14.9 |
| Aug | 57.5 mm | 56.2 mm | +1.3 |
| Sep | 125.4 mm | 110.5 mm | +14.9 |
| Okt | 57.6 mm | 56.9 mm | +0.7 |
| Nov | 107.5 mm | 93.9 mm | +13.6 |
| Dec | 79.3 mm | 76 mm | +3.3 |