Zonneschijn — 2020
| Month | Bouillon | Bièvre | Difference |
|---|---|---|---|
| Jan | 157.8 uren | 157.3 uren | +0.5 |
| Feb | 203.5 uren | 204.1 uren | -0.6 |
| Mar | 289.8 uren | 290.1 uren | -0.3 |
| Apr | 367.3 uren | 366.6 uren | +0.7 |
| May | 418.3 uren | 419.1 uren | -0.8 |
| Jun | 414.6 uren | 413.1 uren | +1.5 |
| Jul | 415.5 uren | 412.2 uren | +3.3 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |