Zonneschijn — 1997
| Month | Diest | Scherpenheuvel-Zichem | Difference |
|---|---|---|---|
| Jan | – | 147.8 uren | – |
| Feb | – | 130 uren | – |
| Mar | – | 207.6 uren | – |
| Apr | – | 278.8 uren | – |
| May | – | 320 uren | – |
| Jun | – | 320.8 uren | – |
| Jul | – | 334.1 uren | – |
| Aug | – | 334 uren | – |
| Sep |
| – |
| 276.1 uren |
| – |
| Oct | – | 195.4 uren | – |
| Nov | – | 99.4 uren | – |
| Dec | – | 71.4 uren | – |