Zonneschijn — 1999
| Month | Ciney | Assesse | Difference |
|---|---|---|---|
| Jan | – | 90.6 uren | – |
| Feb | – | 139.9 uren | – |
| Mar | – | 203.6 uren | – |
| Apr | – | 262.6 uren | – |
| May | – | 317.1 uren | – |
| Jun | – | 360.3 uren | – |
| Jul | – | 349.6 uren | – |
| Aug | – | 302.9 uren | – |
| Sep |
| – |
| 252 uren |
| – |
| Oct | – | 212.8 uren | – |
| Nov | – | 136 uren | – |
| Dec | – | 75 uren | – |