Zonneschijn — 2020
| Month | Olst-Wijhe | Heerde | Difference |
|---|---|---|---|
| Jan | 139.3 uren | 138.2 uren | +1.1 |
| Feb | 186.3 uren | 183.5 uren | +2.8 |
| Mar | 300.6 uren | 300.3 uren | +0.3 |
| Apr | 368.8 uren | 369.2 uren | -0.4 |
| May | 427.9 uren | 430.1 uren | -2.2 |
| Jun | 417.6 uren | 418.4 uren | -0.8 |
| Jul | 405.6 uren | 406.1 uren | -0.5 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |