Zonneschijn — 2015
| Month | Ferrières | Hamoir | Difference |
|---|---|---|---|
| Jan | 91.1 uren | – | – |
| Feb | 166 uren | – | – |
| Mar | 217.2 uren | – | – |
| Apr | 302.8 uren | – | – |
| May | 321 uren | – | – |
| Jun | 330.6 uren | – | – |
| Jul | 329.7 uren | – | – |
| Aug | 304.1 uren | – | – |
| Sep |
| 244.9 uren |
| – |
| – |
| Oct | 125.7 uren | – | – |
| Nov | 121.6 uren | – | – |
| Dec | 137.9 uren | – | – |