Zonneschijn — 2020
| Month | Dijk en Waard | Koggenland | Difference |
|---|---|---|---|
| Jan | 145.9 uren | 143.9 uren | +2.0 |
| Feb | 187 uren | 186.2 uren | +0.8 |
| Mar | 306.5 uren | 305.6 uren | +0.9 |
| Apr | 368.8 uren | 369.4 uren | -0.6 |
| May | 432.4 uren | 432.2 uren | +0.2 |
| Jun | 430.7 uren | 428.7 uren | +2.0 |
| Jul | 416.3 uren | 414.7 uren | +1.6 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |