Zonneschijn — 2024
| Month | Rotterdam | Lansingerland | Difference |
|---|---|---|---|
| Jan | 125.4 uren | 123 uren | +2.4 |
| Feb | 99.6 uren | 101.6 uren | -2.0 |
| Mar | 196.4 uren | 195.1 uren | +1.3 |
| Apr | 277.9 uren | 278.6 uren | -0.7 |
| May | 338.1 uren | 346.9 uren | -8.8 |
| Jun | 349.1 uren | 349.4 uren | -0.3 |
| Jul | 328.5 uren | 328.1 uren | +0.4 |
| Aug | 353.6 uren | 357.6 uren | -4.0 |
| Sep | 268.6 uren | 269.7 uren | -1.1 |
| Oct | 187.5 uren | 189.1 uren | -1.6 |
| Nov | 109.9 uren | 111.1 uren | -1.2 |
| Dec | 60.1 uren | 61.4 uren | -1.3 |