Zonneschijn — 2017
| Month | Châtelet | Aiseau-Presles | Difference |
|---|---|---|---|
| Jan | 147.5 uren | – | – |
| Feb | 110.3 uren | – | – |
| Mar | 231.8 uren | – | – |
| Apr | 282.8 uren | – | – |
| May | 330.8 uren | – | – |
| Jun | 359.7 uren | – | – |
| Jul | 325.7 uren | – | – |
| Aug | 276.2 uren | – | – |
| Sep |
| 253.7 uren |
| – |
| – |
| Oct | 189.4 uren | – | – |
| Nov | 132.8 uren | – | – |
| Dec | 57.7 uren | – | – |