Zonneschijn — 2020
| Month | Tholen | Goeree-Overflakkee | Difference |
|---|---|---|---|
| Jan | 146.5 uren | 146.8 uren | -0.3 |
| Feb | 184.8 uren | 184.9 uren | -0.1 |
| Mar | 297.8 uren | 299.9 uren | -2.1 |
| Apr | 366.4 uren | 366.7 uren | -0.3 |
| May | 426.5 uren | 428.1 uren | -1.6 |
| Jun | 419.7 uren | 421.8 uren | -2.1 |
| Jul | 413.4 uren | 418.2 uren |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |