Zonneschijn — 1997
| Month | Bocholt | Oudsbergen | 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 | – | – |