Zonneschijn — 2020
| Month | De Bilt | Zeist | Difference |
|---|---|---|---|
| Jan | 141.7 uren | 142.9 uren | -1.2 |
| Feb | 183.4 uren | 185.9 uren | -2.5 |
| Mar | 300.9 uren | 300.8 uren | +0.1 |
| Apr | 367.6 uren | 367.2 uren | +0.4 |
| May | 430.2 uren | 429.2 uren | +1.0 |
| Jun | 421.1 uren | 421 uren | +0.1 |
| Jul | 408.4 uren | 408.6 uren | -0.2 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |