Zonneschijn — 2023
| Month | Heist-op-den-Berg | Berlaar | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 134.6 uren | 128.9 uren | +5.7 |
| Apr | 235.3 uren | 230.7 uren | +4.6 |
| May | 349.3 uren | 333.3 uren | +16.0 |
| Jun | 399.8 uren | 384.4 uren | +15.4 |
| Jul | 351.5 uren | 337.1 uren | +14.4 |
| Aug |
| 322 uren |
| 307.4 uren |
| +14.6 |
| Sep | 289.3 uren | 270.5 uren | +18.8 |
| Oct | 203 uren | 188.1 uren | +14.9 |
| Nov | 116.3 uren | 104.5 uren | +11.8 |
| Dec | 72.3 uren | 67.5 uren | +4.8 |