Zonneschijn — 2009
| Month | Borgloon | Kortessem | Difference |
|---|---|---|---|
| Jan | 146.7 uren | – | – |
| Feb | 87.6 uren | – | – |
| Mar | 209.9 uren | – | – |
| Apr | 293.1 uren | – | – |
| May | 310.6 uren | – | – |
| Jun | 348.2 uren | – | – |
| Jul | 385.2 uren | – | – |
| Aug | 359.3 uren | – | – |
| Sep |
| 235.8 uren |
| – |
| – |
| Oct | 199.6 uren | – | – |
| Nov | 113.9 uren | – | – |
| Dec | 87.3 uren | – | – |