Zonneschijn — 1997
| Month | Herzele | Lierde | Difference |
|---|---|---|---|
| Jan | – | 140.3 uren | – |
| Feb | – | 134.5 uren | – |
| Mar | – | 240.5 uren | – |
| Apr | – | 302.1 uren | – |
| May | – | 341.7 uren | – |
| Jun | – | 315.1 uren | – |
| Jul | – | 357.1 uren | – |
| Aug | – | 343 uren | – |
| Sep |
| – |
| 295.2 uren |
| – |
| Oct | – | 213.5 uren | – |
| Nov | – | 109.3 uren | – |
| Dec | – | 83.3 uren | – |