Wind — 2004
| Mois | Ferrières | Manhay | Différence |
|---|---|---|---|
| Jan | 18.6 km/h | – | – |
| Fév | 15.7 km/h | – | – |
| Mar | 14.6 km/h | – | – |
| Avr | 14.5 km/h | – | – |
| Mai | 11 km/h | – | – |
| Juin | 12.8 km/h | – | – |
| Juil | 12 km/h | – | – |
| Aoû | 14 km/h | – | – |
| Sep |
| 15 km/h |
| – |
| – |
| Oct | 16.9 km/h | – | – |
| Nov | 12.7 km/h | – | – |
| Déc | 12.9 km/h | – | – |