Wind — 2003
| Mois | Merksplas | Vosselaar | Différence |
|---|---|---|---|
| Jan | 16.2 km/h | – | – |
| Fév | 12 km/h | – | – |
| Mar | 11.7 km/h | – | – |
| Avr | 13.7 km/h | – | – |
| Mai | 12.4 km/h | – | – |
| Juin | 10.5 km/h | – | – |
| Juil | 10.9 km/h | – | – |
| Aoû | 9.5 km/h | – | – |
| Sep |
| 9.3 km/h |
| – |
| – |
| Oct | 13.6 km/h | – | – |
| Nov | 13.4 km/h | – | – |
| Déc | 14.6 km/h | – | – |