Zonneschijn — 2001
| Month | Chastre | Court-Saint-Étienne | Difference |
|---|---|---|---|
| Jan | – | 128.4 uren | – |
| Feb | – | 135.5 uren | – |
| Mar | – | 138 uren | – |
| Apr | – | 272.8 uren | – |
| May | – | 373.6 uren | – |
| Jun | – | 329.9 uren | – |
| Jul | – | 336 uren | – |
| Aug | – | 352.4 uren | – |
| Sep |
| – |
| 222.5 uren |
| – |
| Oct | – | 207.8 uren | – |
| Nov | – | 134 uren | – |
| Dec | – | 106.4 uren | – |