Zonneschijn — 1999
| Month | Oudenburg | Jabbeke | Difference |
|---|---|---|---|
| Jan | 133.8 uren | – | – |
| Feb | 181.8 uren | – | – |
| Mar | 245.7 uren | – | – |
| Apr | 307.6 uren | – | – |
| May | 376.7 uren | – | – |
| Jun | 392.1 uren | – | – |
| Jul | 414.1 uren | – | – |
| Aug | 360.3 uren | – | – |
| Sep |
| 273.9 uren |
| – |
| – |
| Oct | 232 uren | – | – |
| Nov | 150.3 uren | – | – |
| Dec | 116.6 uren | – | – |