Zonneschijn — 2013
| Month | Châtelet | Farciennes | Difference |
|---|---|---|---|
| Jan | 87.5 uren | – | – |
| Feb | 137.3 uren | – | – |
| Mar | 183.2 uren | – | – |
| Apr | 254.9 uren | – | – |
| May | 261.5 uren | – | – |
| Jun | 307.9 uren | – | – |
| Jul | 379.1 uren | – | – |
| Aug | 339 uren | – | – |
| Sep |
| 260.7 uren |
| – |
| – |
| Oct | 191.2 uren | – | – |
| Nov | 85 uren | – | – |
| Dec | 133.5 uren | – | – |