Zonneschijn — 1999
| Month | Hamont-Achel | Bocholt | Difference |
|---|---|---|---|
| Jan | – | 116.5 uren | – |
| Feb | – | 145.4 uren | – |
| Mar | – | 224 uren | – |
| Apr | – | 299.1 uren | – |
| May | – | 357.6 uren | – |
| Jun | – | 364.2 uren | – |
| Jul | – | 367.7 uren | – |
| Aug | – | 321.7 uren | – |
| Sep |
| – |
| 251.9 uren |
| – |
| Oct | – | 199.9 uren | – |
| Nov | – | 127.4 uren | – |
| Dec | – | 103.3 uren | – |