Zonneschijn — 2009
| Month | Chastre | Court-Saint-Étienne | Difference |
|---|---|---|---|
| Jan | – | 137.8 uren | – |
| Feb | – | 87.9 uren | – |
| Mar | – | 231.1 uren | – |
| Apr | – | 303.5 uren | – |
| May | – | 313.9 uren | – |
| Jun | – | 353.8 uren | – |
| Jul | – | 387.8 uren | – |
| Aug | – | 363.4 uren | – |
| Sep |
| – |
| 244.1 uren |
| – |
| Oct | – | 196.2 uren | – |
| Nov | – | 126.8 uren | – |
| Dec | – | 87.9 uren | – |