Wind — 2011
| Month | Borgloon | Kortessem | Difference |
|---|---|---|---|
| Jan | 15.1 km/h | – | – |
| Feb | 14.9 km/h | – | – |
| Mar | 12.8 km/h | – | – |
| Apr | 11.2 km/h | – | – |
| May | 13 km/h | – | – |
| Jun | 13.5 km/h | – | – |
| Jul | 11.6 km/h | – | – |
| Aug | 12.3 km/h | – | – |
| Sep |
| 13.6 km/h |
| – |
| – |
| Oct | 14.6 km/h | – | – |
| Nov | 11.9 km/h | – | – |
| Dec | 20.7 km/h | – | – |