Zonneschijn — 2020
| Month | Beverwijk | Castricum | Difference |
|---|---|---|---|
| Jan | 145.4 uren | 145.4 uren | +0.0 |
| Feb | 184.7 uren | 184.7 uren | +0.0 |
| Mar | 304.3 uren | 304.3 uren | +0.0 |
| Apr | 367.6 uren | 367.6 uren | +0.0 |
| May | 430.9 uren | 430.9 uren | +0.0 |
| Jun | 426.9 uren | 426.9 uren | +0.0 |
| Jul | 414.5 uren | 414.5 uren | +0.0 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |