Zonneschijn — 1998
| Month | Kortessem | Borgloon | Difference |
|---|---|---|---|
| Jan | – | 105.6 uren | – |
| Feb | – | 167 uren | – |
| Mar | – | 168.8 uren | – |
| Apr | – | 217.9 uren | – |
| May | – | 308.2 uren | – |
| Jun | – | 297.6 uren | – |
| Jul | – | 282.6 uren | – |
| Aug | – | 333.2 uren | – |
| Sep |
| – |
| 196.6 uren |
| – |
| Oct | – | 114.2 uren | – |
| Nov | – | 141.4 uren | – |
| Dec | – | 105.3 uren | – |