Zonneschijn — 2015
| Month | Châtelet | Farciennes | 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 | – | – |