Zonneschijn — 2020
| Month | Harlingen | Terschelling | Difference |
|---|---|---|---|
| Jan | 135.4 uren | 135.4 uren | +0.0 |
| Feb | 185 uren | 185 uren | +0.0 |
| Mar | 305.6 uren | 305.6 uren | +0.0 |
| Apr | 370.8 uren | 370.8 uren | +0.0 |
| May | 432.4 uren | 432.4 uren | +0.0 |
| Jun | 429.7 uren | 429.7 uren | +0.0 |
| Jul | 419 uren | 419 uren | +0.0 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |