Wind — 1999
| Mois | Rijkevorsel | Merksplas | Différence |
|---|---|---|---|
| Jan | 17.7 km/h | 17.7 km/h | +0.0 |
| Fév | 15.7 km/h | 15.7 km/h | +0.0 |
| Mar | 13.3 km/h | 13.3 km/h | +0.0 |
| Avr | 13.4 km/h | 13.4 km/h | +0.0 |
| Mai | 12.5 km/h | 12.5 km/h | +0.0 |
| Juin | 12.5 km/h | 12.5 km/h | +0.0 |
| Juil | 12 km/h | 12 km/h | +0.0 |
| Aoû | 10.7 km/h | 10.7 km/h | +0.0 |
| Sep | 12.7 km/h | 12.7 km/h | +0.0 |
| Oct | 15.3 km/h | 15.3 km/h | +0.0 |
| Nov | 15 km/h | 15 km/h | +0.0 |
| Déc | 19.3 km/h | 19.3 km/h | +0.0 |