Zonneschijn — 2004
| Month | Chastre | Court-Saint-Étienne | Difference |
|---|---|---|---|
| Jan | – | 97.3 uren | – |
| Feb | – | 147.5 uren | – |
| Mar | – | 250.9 uren | – |
| Apr | – | 276.1 uren | – |
| May | – | 330.3 uren | – |
| Jun | – | 338.5 uren | – |
| Jul | – | 356.7 uren | – |
| Aug | – | 327.4 uren | – |
| Sep |
| – |
| 273.5 uren |
| – |
| Oct | – | 236.7 uren | – |
| Nov | – | 116.5 uren | – |
| Dec | – | 119.7 uren | – |