Zonneschijn — 2023
| Month | Waddinxveen | Gouda | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 0 uren | 85.5 uren | -85.5 |
| Apr | 244.4 uren | 248.9 uren | -4.5 |
| May | 345.9 uren | 352.3 uren | -6.4 |
| Jun | 389.4 uren | 391.3 uren | -1.9 |
| Jul | 359.7 uren | 361.6 uren | -1.9 |
| Aug |
| 332.7 uren |
| 332.5 uren |
| +0.2 |
| Sep | 278.8 uren | 283.1 uren | -4.3 |
| Oct | 170 uren | 176.2 uren | -6.2 |
| Nov | 116.1 uren | 123 uren | -6.9 |
| Dec | 77.1 uren | 75.5 uren | +1.6 |