Zonneschijn — 2023
| Month | Bouillon | Bièvre | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 116.8 uren | 121.7 uren | -4.9 |
| Apr | 235 uren | 229.3 uren | +5.7 |
| May | 361.8 uren | 358 uren | +3.8 |
| Jun | 412.7 uren | 415.2 uren | -2.5 |
| Jul | 319.4 uren | 339.2 uren | -19.8 |
| Aug |
| 304.3 uren |
| 309.1 uren |
| -4.8 |
| Sep | 288.1 uren | 290.6 uren | -2.5 |
| Oct | 174.9 uren | 179 uren | -4.1 |
| Nov | 73.1 uren | 69.3 uren | +3.8 |
| Dec | 56 uren | 58.5 uren | -2.5 |