Zonneschijn — 1997
| Month | Hamont-Achel | Bocholt | Difference |
|---|---|---|---|
| Jan | – | 137.1 uren | – |
| Feb | – | 139.6 uren | – |
| Mar | – | 212.1 uren | – |
| Apr | – | 282.9 uren | – |
| May | – | 332.6 uren | – |
| Jun | – | 346.5 uren | – |
| Jul | – | 346.4 uren | – |
| Aug | – | 334.2 uren | – |
| Sep |
| – |
| 272.7 uren |
| – |
| Oct | – | 201.4 uren | – |
| Nov | – | 119.8 uren | – |
| Dec | – | 80.9 uren | – |