Zonneschijn — 2025
| Maand | Ridderkerk | Zwijndrecht | Verschil |
|---|---|---|---|
| Jan | 94.4 uren | 89.7 uren | +4.7 |
| Feb | 145 uren | 141.8 uren | +3.2 |
| Mrt | 303.2 uren | 307.3 uren | -4.1 |
| Apr | 328.9 uren | 325.6 uren | +3.3 |
| Mei | 375.3 uren | 344.9 uren | +30.4 |
| Jun | 391.5 uren | 380.6 uren | +10.9 |
| Jul | 389.5 uren | 405 uren | -15.5 |
| Aug | 338.2 uren | 341.8 uren | -3.6 |
| Sep | 271.4 uren | 276.2 uren | -4.8 |
| Okt | 141.1 uren | 135.5 uren | +5.6 |
| Nov | 114.8 uren | 128.8 uren | -14.0 |
| Dec | 99.9 uren | 110.1 uren | -10.2 |