Zonneschijn — 2020
| Month | Bloemendaal | Haarlem | Difference |
|---|---|---|---|
| Jan | 147.6 uren | 145.4 uren | +2.2 |
| Feb | 186.3 uren | 184.7 uren | +1.6 |
| Mar | 305.1 uren | 304.3 uren | +0.8 |
| Apr | 367.5 uren | 367.6 uren | -0.1 |
| May | 430.6 uren | 430.9 uren | -0.3 |
| Jun | 428.8 uren | 426.9 uren | +1.9 |
| Jul | 416.7 uren | 414.5 uren | +2.2 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |