Wind — 2006
| Month | Châtelet | Aiseau-Presles | Difference |
|---|---|---|---|
| Jan | 13.8 km/h | – | – |
| Feb | 15 km/h | – | – |
| Mar | 16.7 km/h | – | – |
| Apr | 13.8 km/h | – | – |
| May | 15.6 km/h | – | – |
| Jun | 10 km/h | – | – |
| Jul | 10.4 km/h | – | – |
| Aug | 13.9 km/h | – | – |
| Sep |
| 12.6 km/h |
| – |
| – |
| Oct | 16.7 km/h | – | – |
| Nov | 17.4 km/h | – | – |
| Dec | 18.9 km/h | – | – |