Zonneschijn — 1997
| Month | Gistel | Oudenburg | Difference |
|---|---|---|---|
| Jan | – | 153.6 uren | – |
| Feb | – | 152 uren | – |
| Mar | – | 259.6 uren | – |
| Apr | – | 326.3 uren | – |
| May | – | 368.5 uren | – |
| Jun | – | 336.1 uren | – |
| Jul | – | 404.5 uren | – |
| Aug | – | 348.8 uren | – |
| Sep |
| – |
| 305.2 uren |
| – |
| Oct | – | 221.9 uren | – |
| Nov | – | 148.3 uren | – |
| Dec | – | 101.2 uren | – |