Zonneschijn — 2025
| Maand | Houffalize | Lierneux | Verschil |
|---|---|---|---|
| Jan | 102.7 uren | 94.7 uren | +8.0 |
| Feb | 141.7 uren | 131.7 uren | +10.0 |
| Mrt | 265.9 uren | 248.5 uren | +17.4 |
| Apr | 310.8 uren | 301.4 uren | +9.4 |
| Mei | 349.6 uren | 325 uren | +24.6 |
| Jun | 376.1 uren | 375.1 uren | +1.0 |
| Jul | 365.7 uren | 348.9 uren | +16.8 |
| Aug | 353.9 uren | 336.3 uren | +17.6 |
| Sep | 241 uren | 233.1 uren | +7.9 |
| Okt | 175.4 uren | 149.2 uren | +26.2 |
| Nov | 111.5 uren | 103.9 uren | +7.6 |
| Dec | 104.3 uren | 105.2 uren | -0.9 |