Zonneschijn — 2023
| Maand | Ridderkerk | Krimpen aan den IJssel | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 0 uren | 0 uren | +0.0 |
| Apr | 247.7 uren | 248.4 uren | -0.7 |
| Mei | 353.9 uren | 356.4 uren | -2.5 |
| Jun | 392.6 uren | 393.4 uren | -0.8 |
| Jul | 351.8 uren | 358.7 uren | -6.9 |
| Aug |
| 332.3 uren |
| 336.2 uren |
| -3.9 |
| Sep | 276.2 uren | 281.1 uren | -4.9 |
| Okt | 177.3 uren | 176.6 uren | +0.7 |
| Nov | 122.8 uren | 121.7 uren | +1.1 |
| Dec | 73.3 uren | 76.9 uren | -3.6 |