Zonneschijn — 2003
| Month | Villers-la-Ville | Court-Saint-Étienne | Difference |
|---|---|---|---|
| Jan | 129.6 uren | 132.5 uren | -2.9 |
| Feb | 209.2 uren | 214.9 uren | -5.7 |
| Mar | 269.7 uren | 271.9 uren | -2.2 |
| Apr | 316.2 uren | 309 uren | +7.2 |
| May | 322 uren | 325.6 uren | -3.6 |
| Jun | 370 uren | 371.9 uren | -1.9 |
| Jul | 373.6 uren | 369 uren |
| Aug | 381.1 uren | 372.6 uren | +8.5 |
| Sep | 309.8 uren | 305.4 uren | +4.4 |
| Oct | 192.7 uren | 200.7 uren | -8.0 |
| Nov | 120 uren | 120.8 uren | -0.8 |
| Dec | 102.5 uren | 100.4 uren | +2.1 |