Zonneschijn — 2023
| Maand | Waddinxveen | Alphen aan den Rijn | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 0 uren | 0 uren | +0.0 |
| Apr | 244.4 uren | 249.8 uren | -5.4 |
| Mei | 345.9 uren | 349.2 uren | -3.3 |
| Jun | 389.4 uren | 390.8 uren | -1.4 |
| Jul | 359.7 uren | 368.9 uren | -9.2 |
| Aug |
| 332.7 uren |
| 334.3 uren |
| -1.6 |
| Sep | 278.8 uren | 280.1 uren | -1.3 |
| Okt | 170 uren | 169.8 uren | +0.2 |
| Nov | 116.1 uren | 117.9 uren | -1.8 |
| Dec | 77.1 uren | 78.3 uren | -1.2 |