Wind — 1997
| Mois | Assesse | Ciney | Différence |
|---|---|---|---|
| Jan | 10.9 km/h | – | – |
| Fév | 21.2 km/h | – | – |
| Mar | 12.7 km/h | – | – |
| Avr | 13.2 km/h | – | – |
| Mai | 13.9 km/h | – | – |
| Juin | 13.2 km/h | – | – |
| Juil | 11.3 km/h | – | – |
| Aoû | 10 km/h | – | – |
| Sep |
| 10 km/h |
| – |
| – |
| Oct | 14.4 km/h | – | – |
| Nov | 16.9 km/h | – | – |
| Déc | 19.4 km/h | – | – |