Wind — 1999
| Monat | Villers-la-Ville | Sombreffe | Unterschied |
|---|---|---|---|
| Jan | 19.9 km/h | – | – |
| Feb | 16.6 km/h | – | – |
| Mär | 14.9 km/h | – | – |
| Apr | 14.5 km/h | – | – |
| Mai | 12.7 km/h | – | – |
| Jun | 13.2 km/h | – | – |
| Jul | 12.5 km/h | – | – |
| Aug | 11.9 km/h | – | – |
| Sep |
| 14.3 km/h |
| – |
| – |
| Okt | 16.4 km/h | – | – |
| Nov | 16 km/h | – | – |
| Dez | 21 km/h | – | – |