Zonneschijn — 2025
| Month | Houffalize | Bastogne | Difference |
|---|---|---|---|
| Jan | 102.7 uren | 90 uren | +12.7 |
| Feb | 141.7 uren | 131.5 uren | +10.2 |
| Mar | 265.9 uren | 254.4 uren | +11.5 |
| Apr | 310.8 uren | 297.3 uren | +13.5 |
| May | 349.6 uren | 335.5 uren | +14.1 |
| Jun | 376.1 uren | 368.5 uren | +7.6 |
| Jul | 365.7 uren | 351.4 uren | +14.3 |
| Aug | 353.9 uren | 342.3 uren | +11.6 |
| Sep | 241 uren | 232.5 uren | +8.5 |
| Oct | 175.4 uren | 165.4 uren | +10.0 |
| Nov | 111.5 uren | 99.9 uren | +11.6 |
| Dec | 104.3 uren | 99.3 uren | +5.0 |