Zonneschijn — 2023
| Month | Aiseau-Presles | Châtelet | Difference |
|---|---|---|---|
| Jan | – | 90.4 uren | – |
| Feb | – | 152.3 uren | – |
| Mar | 132.7 uren | 166.4 uren | -33.7 |
| Apr | 207 uren | 218.3 uren | -11.3 |
| May | 329.5 uren | 345.5 uren | -16.0 |
| Jun | 393.5 uren | 408 uren | -14.5 |
| Jul | 339.3 uren | 353.2 uren | -13.9 |
| Aug |
| 307.9 uren |
| 319.4 uren |
| -11.5 |
| Sep | 288.7 uren | 301.1 uren | -12.4 |
| Oct | 191.2 uren | 198.8 uren | -7.6 |
| Nov | 86.4 uren | 98.3 uren | -11.9 |
| Dec | 60.5 uren | 60.3 uren | +0.2 |