Wind — 2003
| Month | Brunehaut | Tournai | Difference |
|---|---|---|---|
| Jan | 16.6 km/h | – | – |
| Feb | 13 km/h | – | – |
| Mar | 12.3 km/h | – | – |
| Apr | 14.1 km/h | – | – |
| May | 12.7 km/h | – | – |
| Jun | 10.3 km/h | – | – |
| Jul | 10.7 km/h | – | – |
| Aug | 9.5 km/h | – | – |
| Sep |
| 9.7 km/h |
| – |
| – |
| Oct | 13.6 km/h | – | – |
| Nov | 14.2 km/h | – | – |
| Dec | 15.2 km/h | – | – |