Wind — 2009
| Mois | Gistel | Oudenburg | Différence |
|---|---|---|---|
| Jan | – | 21.4 km/h | – |
| Fév | – | 19.2 km/h | – |
| Mar | – | 21.1 km/h | – |
| Avr | – | 15.4 km/h | – |
| Mai | – | 19.4 km/h | – |
| Juin | – | 16.3 km/h | – |
| Juil | – | 19.9 km/h | – |
| Aoû | – | 17.2 km/h | – |
| Sep |
| – |
| 20.8 km/h |
| – |
| Oct | – | 21.3 km/h | – |
| Nov | – | 30 km/h | – |
| Déc | – | 24.1 km/h | – |