Zonneschijn — 1997
| Month | Court-Saint-Étienne | Chastre | Difference |
|---|---|---|---|
| Jan | 147.9 uren | – | – |
| Feb | 132.3 uren | – | – |
| Mar | 222.4 uren | – | – |
| Apr | 285.9 uren | – | – |
| May | 332.9 uren | – | – |
| Jun | 311.5 uren | – | – |
| Jul | 348.6 uren | – | – |
| Aug | 347.2 uren | – | – |
| Sep |
| 287.8 uren |
| – |
| – |
| Oct | 202.9 uren | – | – |
| Nov | 108.7 uren | – | – |
| Dec | 70.9 uren | – | – |