Zonneschijn — 2020
| Month | Grez-Doiceau | Wavre | Difference |
|---|---|---|---|
| Jan | 156.9 uren | 156.3 uren | +0.6 |
| Feb | 198.7 uren | 196.9 uren | +1.8 |
| Mar | 295.6 uren | 295.9 uren | -0.3 |
| Apr | 367.5 uren | 367.4 uren | +0.1 |
| May | 423.9 uren | 423.7 uren | +0.2 |
| Jun | 419.8 uren | 420.4 uren | -0.6 |
| Jul | 405.1 uren | 404.4 uren | +0.7 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |