Zonneschijn — 2023
| Maand | Olen | Westerlo | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 132.7 uren | 143.1 uren | -10.4 |
| Apr | 238.5 uren | 225.5 uren | +13.0 |
| Mei | 349.1 uren | 342.7 uren | +6.4 |
| Jun | 399 uren | 391.2 uren | +7.8 |
| Jul | 352.3 uren | 346.1 uren | +6.2 |
| Aug |
| 319.7 uren |
| 313.7 uren |
| +6.0 |
| Sep | 285.6 uren | 281.4 uren | +4.2 |
| Okt | 199.4 uren | 190.3 uren | +9.1 |
| Nov | 115 uren | 105.1 uren | +9.9 |
| Dec | 72.4 uren | 67 uren | +5.4 |