Zonneschijn — 2025
| Month | Plombières | Vaals | Difference |
|---|---|---|---|
| Jan | 113.9 uren | 114.7 uren | -0.8 |
| Feb | 145.5 uren | 149 uren | -3.5 |
| Mar | 268.2 uren | 275.5 uren | -7.3 |
| Apr | 313.3 uren | 314.1 uren | -0.8 |
| May | 349.7 uren | 355.6 uren | -5.9 |
| Jun | 380.2 uren | 389.8 uren | -9.6 |
| Jul | 352.8 uren | 366.5 uren | -13.7 |
| Aug | 333.4 uren | 334 uren | -0.6 |
| Sep | 266.8 uren | 270.2 uren | -3.4 |
| Oct | 132.8 uren | 134.8 uren | -2.0 |
| Nov | 132.9 uren | 134.3 uren | -1.4 |
| Dec | 118.1 uren | 116.4 uren | +1.7 |