Zonneschijn — 2020
| Maand | Érezée | Ferrières | Verschil |
|---|---|---|---|
| Jan | 153.4 uren | 145.1 uren | +8.3 |
| Feb | 203.4 uren | 175.3 uren | +28.1 |
| Mrt | 290.3 uren | 269 uren | +21.3 |
| Apr | 368.2 uren | 358.5 uren | +9.7 |
| Mei | 420.7 uren | 402.3 uren | +18.4 |
| Jun | 418.1 uren | 388.2 uren | +29.9 |
| Jul | 409.3 uren | 378.9 uren | +30.4 |
| Aug | – | 334.9 uren | – |
| Sep | – | 275.8 uren | – |
| Okt | – | 134.7 uren | – |
| Nov | – | 179.4 uren | – |
| Dec | – | 83.8 uren | – |