Zonneschijn — 1997
| Month | Beringen | Ham | Difference |
|---|---|---|---|
| Jan | 146.7 uren | – | – |
| Feb | 135.1 uren | – | – |
| Mar | 209.3 uren | – | – |
| Apr | 282.8 uren | – | – |
| May | 326.1 uren | – | – |
| Jun | 329.9 uren | – | – |
| Jul | 339 uren | – | – |
| Aug | 336.3 uren | – | – |
| Sep |
| 276.2 uren |
| – |
| – |
| Oct | 197 uren | – | – |
| Nov | 114 uren | – | – |
| Dec | 73.8 uren | – | – |