Zonneschijn — 2023
| Month | Grez-Doiceau | Beauvechain | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 128 uren | 140.5 uren | -12.5 |
| Apr | 215.6 uren | 219.8 uren | -4.2 |
| May | 346.2 uren | 351.7 uren | -5.5 |
| Jun | 401.3 uren | 404.5 uren | -3.2 |
| Jul | 345.9 uren | 356.4 uren | -10.5 |
| Aug |
| 312.8 uren |
| 323.1 uren |
| -10.3 |
| Sep | 293.6 uren | 298.7 uren | -5.1 |
| Oct | 206.3 uren | 212.3 uren | -6.0 |
| Nov | 107.6 uren | 115.1 uren | -7.5 |
| Dec | 70.7 uren | 75.5 uren | -4.8 |