Neerslag — 2024
| Month | Zoeterwoude | Leiden | Difference |
|---|---|---|---|
| Jan | – | 77.1 mm | – |
| Feb | – | 136.7 mm | – |
| Mar | – | 65.5 mm | – |
| Apr | – | 107.9 mm | – |
| May | – | 163.4 mm | – |
| Jun | – | 74.7 mm | – |
| Jul | – | 114.1 mm | – |
| Aug | – | 58.2 mm | – |
| Sep |
| – |
| 139.6 mm |
| – |
| Oct | – | 54.5 mm | – |
| Nov | – | 134.9 mm | – |
| Dec | – | 101.5 mm | – |