Neerslag — 2009
| Month | Diest | Scherpenheuvel-Zichem | Difference |
|---|---|---|---|
| Jan | – | 55.5 mm | – |
| Feb | – | 58.6 mm | – |
| Mar | – | 53.9 mm | – |
| Apr | – | 41.6 mm | – |
| May | – | 54.3 mm | – |
| Jun | – | 68.2 mm | – |
| Jul | – | 64.6 mm | – |
| Aug | – | 37.8 mm | – |
| Sep |
| – |
| 30.9 mm |
| – |
| Oct | – | 65.8 mm | – |
| Nov | – | 104.7 mm | – |
| Dec | – | 86.5 mm | – |