Zonneschijn — 2015
| Month | Aiseau-Presles | Châtelet | Difference |
|---|---|---|---|
| Jan | – | 107.5 uren | – |
| Feb | – | 177.7 uren | – |
| Mar | – | 228.2 uren | – |
| Apr | – | 316.1 uren | – |
| May | – | 319.7 uren | – |
| Jun | – | 350.9 uren | – |
| Jul | – | 322.4 uren | – |
| Aug | – | 320.5 uren | – |
| Sep |
| – |
| 264.5 uren |
| – |
| Oct | – | 137.4 uren | – |
| Nov | – | 132.7 uren | – |
| Dec | – | 150.3 uren | – |