Zonneschijn — 2011
| Month | De Haan | Oudenburg | Difference |
|---|---|---|---|
| Jan | – | 122.5 uren | – |
| Feb | – | 112.2 uren | – |
| Mar | – | 272.3 uren | – |
| Apr | – | 350.2 uren | – |
| May | – | 388.8 uren | – |
| Jun | – | 351.6 uren | – |
| Jul | – | 347.4 uren | – |
| Aug | – | 333.5 uren | – |
| Sep |
| – |
| 268.2 uren |
| – |
| Oct | – | 236.8 uren | – |
| Nov | – | 160 uren | – |
| Dec | – | 113.1 uren | – |