Zonneschijn — 2001
| Month | Bièvre | Daverdisse | Difference |
|---|---|---|---|
| Jan | – | 118.1 uren | – |
| Feb | – | 146.2 uren | – |
| Mar | – | 137 uren | – |
| Apr | – | 242.6 uren | – |
| May | – | 343.5 uren | – |
| Jun | – | 326.3 uren | – |
| Jul | – | 334.4 uren | – |
| Aug | – | 347.7 uren | – |
| Sep |
| – |
| 186.4 uren |
| – |
| Oct | – | 196 uren | – |
| Nov | – | 135.5 uren | – |
| Dec | – | 105 uren | – |