Wind — 1999
| Month | Beringen | Lummen | Difference |
|---|---|---|---|
| Jan | 17.9 km/h | – | – |
| Feb | 15.4 km/h | – | – |
| Mar | 13.4 km/h | – | – |
| Apr | 13.1 km/h | – | – |
| May | 12 km/h | – | – |
| Jun | 12 km/h | – | – |
| Jul | 11.4 km/h | – | – |
| Aug | 10.6 km/h | – | – |
| Sep |
| 12.4 km/h |
| – |
| – |
| Oct | 15 km/h | – | – |
| Nov | 14.7 km/h | – | – |
| Dec | 19.4 km/h | – | – |