Zonneschijn — 2026
| Month | Purmerend | Oostzaan | Difference |
|---|---|---|---|
| Jan | 112.4 uren | 106.8 uren | +5.6 |
| Feb | 139.3 uren | 135.7 uren | +3.6 |
| Mar | 157.5 uren | 263 uren | -105.5 |
| Apr | 32.4 uren | 33.7 uren | -1.3 |
| May | 423.9 uren | 423.9 uren | +0.0 |
| Jun | 425.6 uren | 425.6 uren | +0.0 |
| Jul | 439.9 uren | 439.9 uren | +0.0 |
| Aug | 391.1 uren | 391 uren | +0.1 |
| Sep | 308.2 uren | 308.2 uren | +0.0 |
| Oct | 228.7 uren | 230.3 uren | -1.6 |
| Nov | – | – | – |
| Dec | – | – | – |