Zonneschijn — 2020
| Maand | Ferrières | Manhay | Verschil |
|---|---|---|---|
| Jan | 145.1 uren | 150.9 uren | -5.8 |
| Feb | 175.3 uren | 202.7 uren | -27.4 |
| Mrt | 269 uren | 289.8 uren | -20.8 |
| Apr | 358.5 uren | 368.7 uren | -10.2 |
| Mei | 402.3 uren | 420.3 uren | -18.0 |
| Jun | 388.2 uren | 419.7 uren | -31.5 |
| Jul | 378.9 uren | 409.3 uren | -30.4 |
| Aug | 334.9 uren | – | – |
| Sep | 275.8 uren | – | – |
| Okt | 134.7 uren | – | – |
| Nov | 179.4 uren | – | – |
| Dec | 83.8 uren | – | – |