Zonneschijn — 2003
| Month | Court-Saint-Étienne | Chastre | Difference |
|---|---|---|---|
| Jan | 132.5 uren | – | – |
| Feb | 214.9 uren | – | – |
| Mar | 271.9 uren | – | – |
| Apr | 309 uren | – | – |
| May | 325.6 uren | – | – |
| Jun | 371.9 uren | – | – |
| Jul | 369 uren | – | – |
| Aug | 372.6 uren | – | – |
| Sep |
| 305.4 uren |
| – |
| – |
| Oct | 200.7 uren | – | – |
| Nov | 120.8 uren | – | – |
| Dec | 100.4 uren | – | – |