Zonneschijn — 2025
| Month | Stoumont | Lierneux | Difference |
|---|---|---|---|
| Jan | 102.4 uren | 94.7 uren | +7.7 |
| Feb | 142.3 uren | 131.7 uren | +10.6 |
| Mar | 262.3 uren | 248.5 uren | +13.8 |
| Apr | 315.5 uren | 301.4 uren | +14.1 |
| May | 345.1 uren | 325 uren | +20.1 |
| Jun | 384.3 uren | 375.1 uren | +9.2 |
| Jul | 361.7 uren | 348.9 uren | +12.8 |
| Aug | 351.2 uren | 336.3 uren | +14.9 |
| Sep | 242.7 uren | 233.1 uren | +9.6 |
| Oct | 150.7 uren | 149.2 uren | +1.5 |
| Nov | 115.4 uren | 103.9 uren | +11.5 |
| Dec | 112 uren | 105.2 uren | +6.8 |