Zonneschijn — 2020
| Maand | Heemstede | Bloemendaal | Verschil |
|---|---|---|---|
| Jan | 147.4 uren | 147.6 uren | -0.2 |
| Feb | 185.3 uren | 186.3 uren | -1.0 |
| Mrt | 303.5 uren | 305.1 uren | -1.6 |
| Apr | 367.2 uren | 367.5 uren | -0.3 |
| Mei | 430.2 uren | 430.6 uren | -0.4 |
| Jun | 426.2 uren | 428.8 uren | -2.6 |
| Jul | 417.4 uren | 416.7 uren | +0.7 |
| Aug | – | – | – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |