Wind — 1999
| Monat | Herstappe | Borgloon | Unterschied |
|---|---|---|---|
| Jan | – | 19.6 km/h | – |
| Feb | – | 16.3 km/h | – |
| Mär | – | 14.7 km/h | – |
| Apr | – | 13.9 km/h | – |
| Mai | – | 12.4 km/h | – |
| Jun | – | 12.6 km/h | – |
| Jul | – | 11.9 km/h | – |
| Aug | – | 11.3 km/h | – |
| Sep |
| – |
| 13.4 km/h |
| – |
| Okt | – | 15.9 km/h | – |
| Nov | – | 15.6 km/h | – |
| Dez | – | 20.9 km/h | – |