Zonneschijn — 2003
| Month | Gerpinnes | Châtelet | Difference |
|---|---|---|---|
| Jan | – | 129.1 uren | – |
| Feb | – | 208.9 uren | – |
| Mar | – | 269.4 uren | – |
| Apr | – | 316.3 uren | – |
| May | – | 322.1 uren | – |
| Jun | – | 370.3 uren | – |
| Jul | – | 373.9 uren | – |
| Aug | – | 381 uren | – |
| Sep |
| – |
| 309.7 uren |
| – |
| Oct | – | 192.2 uren | – |
| Nov | – | 119.5 uren | – |
| Dec | – | 101.9 uren | – |