Zonneschijn — 2024
| Month | Westerlo | Olen | Difference |
|---|---|---|---|
| Jan | 119.9 uren | 129 uren | -9.1 |
| Feb | 96.6 uren | 97.5 uren | -0.9 |
| Mar | 194.1 uren | 198.7 uren | -4.6 |
| Apr | 260.2 uren | 260.5 uren | -0.3 |
| May | 286.2 uren | 291.9 uren | -5.7 |
| Jun | 314.8 uren | 320.7 uren | -5.9 |
| Jul | 322.5 uren | 333.1 uren | -10.6 |
| Aug | 312.9 uren | 323.3 uren | -10.4 |
| Sep | 257.1 uren | 266.2 uren | -9.1 |
| Oct | 168.9 uren | 178.5 uren | -9.6 |
| Nov | 92.4 uren | 96.7 uren | -4.3 |
| Dec | 72.5 uren | 73.6 uren | -1.1 |