Zonneschijn — 2023
| Month | Pecq | Tournai | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 112.4 uren | 115.7 uren | -3.3 |
| Apr | 234.9 uren | 242.9 uren | -8.0 |
| May | 319.9 uren | 333.2 uren | -13.3 |
| Jun | 394.4 uren | 412.7 uren | -18.3 |
| Jul | 332 uren | 352.9 uren | -20.9 |
| Aug |
| 321.5 uren |
| 344.2 uren |
| -22.7 |
| Sep | 274.6 uren | 288.7 uren | -14.1 |
| Oct | 190.5 uren | 198.5 uren | -8.0 |
| Nov | 106.4 uren | 123.4 uren | -17.0 |
| Dec | 66.1 uren | 74 uren | -7.9 |