Zonneschijn — 2023
| Month | Gorinchem | Altena | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 0 uren | – | – |
| Apr | 250.2 uren | – | – |
| May | 363.8 uren | – | – |
| Jun | 392.6 uren | – | – |
| Jul | 357.4 uren | – | – |
| Aug | 337.5 uren | – | – |
| Sep |
| 280.6 uren |
| – |
| – |
| Oct | 180.2 uren | – | – |
| Nov | 131.6 uren | – | – |
| Dec | 70 uren | – | – |