Zonneschijn — 2003
| Month | Châtelet | Aiseau-Presles | 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 | – | – |