Zonneschijn — 2003
| Month | Bièvre | Daverdisse | Difference |
|---|---|---|---|
| Jan | – | 120 uren | – |
| Feb | – | 197.9 uren | – |
| Mar | – | 275.8 uren | – |
| Apr | – | 318.8 uren | – |
| May | – | 323.8 uren | – |
| Jun | – | 357.4 uren | – |
| Jul | – | 362.5 uren | – |
| Aug | – | 377.1 uren | – |
| Sep |
| – |
| 305.6 uren |
| – |
| Oct | – | 174.3 uren | – |
| Nov | – | 116.3 uren | – |
| Dec | – | 113.7 uren | – |