Zonneschijn — 2023
| Month | Kelmis | Vaals | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 137.6 uren | 0 uren | +137.6 |
| Apr | 222.6 uren | 231.6 uren | -9.0 |
| May | 342.7 uren | 354.9 uren | -12.2 |
| Jun | 388 uren | 391.4 uren | -3.4 |
| Jul | 331.7 uren | 342.2 uren | -10.5 |
| Aug |
| 303.5 uren |
| 310.9 uren |
| -7.4 |
| Sep | 295.4 uren | 292.2 uren | +3.2 |
| Oct | 199.9 uren | 205.9 uren | -6.0 |
| Nov | 93.6 uren | 111.1 uren | -17.5 |
| Dec | 71.4 uren | 73.3 uren | -1.9 |