Zonneschijn — 1999
| Month | Vosselaar | Merksplas | Difference |
|---|---|---|---|
| Jan | – | 113.9 uren | – |
| Feb | – | 145.1 uren | – |
| Mar | – | 220.9 uren | – |
| Apr | – | 287.9 uren | – |
| May | – | 361.8 uren | – |
| Jun | – | 373.1 uren | – |
| Jul | – | 367.8 uren | – |
| Aug | – | 322.3 uren | – |
| Sep |
| – |
| 246 uren |
| – |
| Oct | – | 199.1 uren | – |
| Nov | – | 133.2 uren | – |
| Dec | – | 107.1 uren | – |