Neerslag — 1999
| Month | Scherpenheuvel-Zichem | Glabbeek | Difference |
|---|---|---|---|
| Jan | 90 mm | – | – |
| Feb | 57.8 mm | – | – |
| Mar | 65.7 mm | – | – |
| Apr | 61.4 mm | – | – |
| May | 60.3 mm | – | – |
| Jun | 66.6 mm | – | – |
| Jul | 45.1 mm | – | – |
| Aug | 84.1 mm | – | – |
| Sep |
| 53 mm |
| – |
| – |
| Oct | 43.2 mm | – | – |
| Nov | 23.8 mm | – | – |
| Dec | 135.3 mm | – | – |