Zonneschijn — 2023
| Maand | Zuidplas | Krimpen aan den IJssel | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 0 uren | 0 uren | +0.0 |
| Apr | 247.2 uren | 248.4 uren | -1.2 |
| Mei | 355.2 uren | 356.4 uren | -1.2 |
| Jun | 392.6 uren | 393.4 uren | -0.8 |
| Jul | 361 uren | 358.7 uren | +2.3 |
| Aug |
| 335.9 uren |
| 336.2 uren |
| -0.3 |
| Sep | 281.9 uren | 281.1 uren | +0.8 |
| Okt | 175 uren | 176.6 uren | -1.6 |
| Nov | 119.1 uren | 121.7 uren | -2.6 |
| Dec | 77.7 uren | 76.9 uren | +0.8 |