Zonneschijn — 2023
| Month | Zuidplas | Waddinxveen | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 0 uren | 0 uren | +0.0 |
| Apr | 247.2 uren | 244.4 uren | +2.8 |
| May | 355.2 uren | 345.9 uren | +9.3 |
| Jun | 392.6 uren | 389.4 uren | +3.2 |
| Jul | 361 uren | 359.7 uren | +1.3 |
| Aug |
| 335.9 uren |
| 332.7 uren |
| +3.2 |
| Sep | 281.9 uren | 278.8 uren | +3.1 |
| Oct | 175 uren | 170 uren | +5.0 |
| Nov | 119.1 uren | 116.1 uren | +3.0 |
| Dec | 77.7 uren | 77.1 uren | +0.6 |