Zonneschijn — 2023
| Month | Héron | Andenne | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 135.1 uren | 131.6 uren | +3.5 |
| Apr | 217.9 uren | 218.1 uren | -0.2 |
| May | 347.2 uren | 345.5 uren | +1.7 |
| Jun | 406.2 uren | 401.1 uren | +5.1 |
| Jul | 348.8 uren | 343.5 uren | +5.3 |
| Aug |
| 312.9 uren |
| 306 uren |
| +6.9 |
| Sep | 297.7 uren | 295 uren | +2.7 |
| Oct | 210.3 uren | 201.7 uren | +8.6 |
| Nov | 104.6 uren | 101.1 uren | +3.5 |
| Dec | 76.4 uren | 69.1 uren | +7.3 |