Wind — 2004
| Month | Rijkevorsel | Merksplas | Difference |
|---|---|---|---|
| Jan | 16.8 km/h | 16.8 km/h | +0.0 |
| Feb | 15.7 km/h | 15.7 km/h | +0.0 |
| Mar | 13.3 km/h | 13.3 km/h | +0.0 |
| Apr | 12 km/h | 12 km/h | +0.0 |
| May | 10.3 km/h | 10.3 km/h | +0.0 |
| Jun | 12.6 km/h | 12.6 km/h | +0.0 |
| Jul | 11.5 km/h | 11.5 km/h | +0.0 |
| Aug | 12.9 km/h | 12.9 km/h | +0.0 |
| Sep | 14.7 km/h | 14.7 km/h | +0.0 |
| Oct | 15.4 km/h | 15.4 km/h | +0.0 |
| Nov | 11.9 km/h | 11.9 km/h | +0.0 |
| Dec | 11.9 km/h | 11.9 km/h | +0.0 |