Zonneschijn — 2000
| Month | Châtelet | Aiseau-Presles | Difference |
|---|---|---|---|
| Jan | 107 uren | – | – |
| Feb | 178.3 uren | – | – |
| Mar | 158.2 uren | – | – |
| Apr | 287.4 uren | – | – |
| May | 303.6 uren | – | – |
| Jun | 365.6 uren | – | – |
| Jul | 241.4 uren | – | – |
| Aug | 364.8 uren | – | – |
| Sep |
| 221 uren |
| – |
| – |
| Oct | 177.3 uren | – | – |
| Nov | 120.6 uren | – | – |
| Dec | 109.3 uren | – | – |