Zonneschijn — 2018
| Month | Ferrières | Manhay | Difference |
|---|---|---|---|
| Jan | 99.9 uren | – | – |
| Feb | 194.9 uren | – | – |
| Mar | 160.3 uren | – | – |
| Apr | 294.5 uren | – | – |
| May | 377.5 uren | – | – |
| Jun | 274.9 uren | – | – |
| Jul | 415.5 uren | – | – |
| Aug | 334.9 uren | – | – |
| Sep |
| 278.2 uren |
| – |
| – |
| Oct | 208.7 uren | – | – |
| Nov | 157.5 uren | – | – |
| Dec | 90.7 uren | – | – |