Zonneschijn — 2020
| Monat | Groningen | Noordenveld | Unterschied |
|---|---|---|---|
| Jan | 128.1 uren | 127 uren | +1.1 |
| Feb | 181.9 uren | 179.9 uren | +2.0 |
| Mär | 302.8 uren | 300.6 uren | +2.2 |
| Apr | 372.7 uren | 371.7 uren | +1.0 |
| Mai | 433.5 uren | 431.7 uren | +1.8 |
| Jun | 423.8 uren | 417.9 uren | +5.9 |
| Jul | 415.8 uren | 405.4 uren | +10.4 |
| Aug | – | – | – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |