Zonneschijn — 2023
| Month | Houffalize | Bertogne | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 124.3 uren | 122 uren | +2.3 |
| Apr | 232.1 uren | 227.4 uren | +4.7 |
| May | 348.1 uren | 345.8 uren | +2.3 |
| Jun | 401.9 uren | 406.8 uren | -4.9 |
| Jul | 330.2 uren | 330.3 uren | -0.1 |
| Aug |
| 300.5 uren |
| 301.8 uren |
| -1.3 |
| Sep | 301.3 uren | 301.9 uren | -0.6 |
| Oct | 187 uren | 187.1 uren | -0.1 |
| Nov | 79 uren | 79 uren | +0.0 |
| Dec | 68 uren | 68.6 uren | -0.6 |