Zonneschijn — 2023
| Month | Ridderkerk | Hendrik-Ido-Ambacht | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 0 uren | – | – |
| Apr | 247.7 uren | – | – |
| May | 353.9 uren | – | – |
| Jun | 392.6 uren | – | – |
| Jul | 351.8 uren | – | – |
| Aug | 332.3 uren | – | – |
| Sep |
| 276.2 uren |
| – |
| – |
| Oct | 177.3 uren | – | – |
| Nov | 122.8 uren | – | – |
| Dec | 73.3 uren | – | – |