Wind — 1999
| Monat | Malle | Rijkevorsel | Unterschied |
|---|---|---|---|
| Jan | – | 17.7 km/h | – |
| Feb | – | 15.7 km/h | – |
| Mär | – | 13.3 km/h | – |
| Apr | – | 13.4 km/h | – |
| Mai | – | 12.5 km/h | – |
| Jun | – | 12.5 km/h | – |
| Jul | – | 12 km/h | – |
| Aug | – | 10.7 km/h | – |
| Sep |
| – |
| 12.7 km/h |
| – |
| Okt | – | 15.3 km/h | – |
| Nov | – | 15 km/h | – |
| Dez | – | 19.3 km/h | – |