Wind — 1998
| Month | Sint-Gillis-Waas | Waasmunster | Difference |
|---|---|---|---|
| Jan | 19.7 km/h | – | – |
| Feb | 14.2 km/h | – | – |
| Mar | 16.4 km/h | – | – |
| Apr | 14.4 km/h | – | – |
| May | 12.4 km/h | – | – |
| Jun | 14.9 km/h | – | – |
| Jul | 15.3 km/h | – | – |
| Aug | 12.3 km/h | – | – |
| Sep |
| 15.4 km/h |
| – |
| – |
| Oct | 19.3 km/h | – | – |
| Nov | 13.8 km/h | – | – |
| Dec | 17.2 km/h | – | – |