Neerslag — 2024
| Maand | Alphen aan den Rijn | Kaag en Braassem | Verschil |
|---|---|---|---|
| Jan | 69.9 mm | – | – |
| Feb | 124.1 mm | – | – |
| Mrt | 67.7 mm | – | – |
| Apr | 97.7 mm | – | – |
| Mei | 158.9 mm | – | – |
| Jun | 83.1 mm | – | – |
| Jul | 125.5 mm | – | – |
| Aug | 57.5 mm | – | – |
| Sep |
| 125.4 mm |
| – |
| – |
| Okt | 57.6 mm | – | – |
| Nov | 107.5 mm | – | – |
| Dec | 79.3 mm | – | – |