Wind — 2009
| Month | Oudenburg | Gistel | Difference |
|---|---|---|---|
| Jan | 21.4 km/h | – | – |
| Feb | 19.2 km/h | – | – |
| Mar | 21.1 km/h | – | – |
| Apr | 15.4 km/h | – | – |
| May | 19.4 km/h | – | – |
| Jun | 16.3 km/h | – | – |
| Jul | 19.9 km/h | – | – |
| Aug | 17.2 km/h | – | – |
| Sep |
| 20.8 km/h |
| – |
| – |
| Oct | 21.3 km/h | – | – |
| Nov | 30 km/h | – | – |
| Dec | 24.1 km/h | – | – |