Zonneschijn — 2025
| Maand | Nissewaard | Vlaardingen | Verschil |
|---|---|---|---|
| Jan | – | 99.8 uren | – |
| Feb | – | 153.6 uren | – |
| Mrt | – | 316 uren | – |
| Apr | – | 335.9 uren | – |
| Mei | – | 375.1 uren | – |
| Jun | – | 406.5 uren | – |
| Jul | – | 408.3 uren | – |
| Aug | – | 356.2 uren | – |
| Sep |
| – |
| 281.1 uren |
| – |
| Okt | – | 162.9 uren | – |
| Nov | – | 124.2 uren | – |
| Dec | – | 105.8 uren | – |