Zonneschijn — 2024
| Maand | Alphen aan den Rijn | Kaag en Braassem | Verschil |
|---|---|---|---|
| Jan | 115.7 uren | – | – |
| Feb | 100.3 uren | – | – |
| Mrt | 193.6 uren | – | – |
| Apr | 273.1 uren | – | – |
| Mei | 344.3 uren | – | – |
| Jun | 342 uren | – | – |
| Jul | 327.6 uren | – | – |
| Aug | 353.6 uren | – | – |
| Sep | 269.7 uren | – | – |
| Okt | 188.3 uren | – | – |
| Nov | 108.7 uren | – | – |
| Dec | 59.9 uren | – | – |