Porsgrunn (Ås) observation station
December 2021
Summary
Temperature
December 2021
The temperature varied from -10.3° to 10.1°
Name Value Highest (18 Dec.) Temperature10.1°Lowest (27 Dec.) Temperature-10.3°Normal Temperature-0.6° Precipitation
December 2021
The wettest day measured 7.4mm on 30 Dec.
Name Value Normal Precipitation 82.0mmWettest day (30 Dec.) Precipitation 7.4mmDays with precipitation 10 Wind
December 2021
Strongest gust was 11.1m/s on 5 Dec.
Name Value Highest wind speed (18 Dec.) 5.5m/sStrongest gust (5 Dec.) 11.1m/s
| Date | Min. temp. | Max temp. | Average | Normal temp. | Precip. mm (measured at 07) | Snow depth cm | Wind speed m/s | Highest wind speed m/s |
|---|---|---|---|---|---|---|---|---|
| 1. | -7.8° | -5.4° | -6.3° | 0.7° | 0.1 | – | 2.4 | 3.5 |
| 2. | -6.7° | -3.0° | -4.8° | 0.6° | 0.0 | – | 2.2 | 3.8 |
| 3. | -8.2° | -4.9° | -7.0° | 0.4° | 0.0 | – | 2.0 | 3.4 |
| 4. | -7.2° | -4.5° | -5.1° | 0.3° | 2.5 | – | 3.2 | 4.5 |
| 5. | -6.9° | -4.0° | -5.7° | 0.2° | 0.0 | – | 2.8 | 3.7 |
| 6. | -8.2° | -6.9° | -7.8° | 0.1° | 0.0 | – | 2.4 | 3.5 |
| 7. | -7.9° | -5.4° | -6.0° | 0.0° | 0.4 | – | 3.2 | 4.3 |
| 8. | -5.4° | -1.5° | -2.8° | -0.1° | 0.4 | – | 3.0 | 3.8 |
| 9. | -1.8° | -0.4° | -0.7° | -0.2° | 6.0 | – | 2.2 | 3.1 |
| 10. | -1.3° | -0.2° | -0.7° | -0.3° | 4.0 | – | 2.8 | 3.7 |
| 11. | -0.9° | 0.9° | 0.4° | -0.4° | 2.3 | – | 2.0 | 3.8 |
| 12. | -0.2° | 2.8° | 0.8° | -0.5° | 1.1 | – | 1.2 | 2.2 |
| 13. | 0.7° | 1.5° | 1.0° | -0.6° | 2.8 | – | 1.3 | 2.3 |
| 14. | -1.3° | 3.4° | 0.7° | -0.7° | 1.1 | – | 1.5 | 3.0 |
| 15. | 0.1° | 6.1° | 3.9° | -0.7° | 0.0 | – | 1.1 | 1.9 |
| 16. | -0.1° | 8.2° | 4.1° | -0.8° | 0.0 | – | 2.4 | 5.3 |
| 17. | -0.1° | 8.0° | 4.2° | -0.9° | 0.0 | – | 2.3 | 3.5 |
| 18. | 0.1° | 10.1° | 7.5° | -0.9° | 0.0 | – | 3.2 | 5.5 |
| 19. | 1.8° | 8.1° | 4.4° | -1.0° | 0.0 | – | 2.9 | 4.5 |
| 20. | -2.6° | 3.3° | -0.2° | -1.0° | 0.0 | – | 2.4 | 4.2 |
| 21. | -5.0° | -2.4° | -3.2° | -1.0° | 0.0 | – | 2.0 | 3.2 |
| 22. | -3.8° | -1.4° | -2.4° | -1.1° | 5.9 | – | 1.7 | 2.8 |
| 23. | -6.5° | -2.4° | -4.7° | -1.1° | 0.7 | – | 1.6 | 2.4 |
| 24. | -8.0° | -3.4° | -5.8° | -1.1° | 0.5 | – | 3.2 | 5.0 |
| 25. | -8.7° | -3.4° | -5.9° | -1.2° | 0.0 | – | 2.9 | 4.0 |
| 26. | -8.1° | -4.1° | -6.7° | -1.2° | 0.0 | – | 2.2 | 3.2 |
| 27. | -10.3° | -3.9° | -7.0° | -1.2° | 0.0 | – | 2.0 | 2.8 |
| 28. | -5.5° | -3.3° | -4.3° | -1.2° | 4.2 | – | 2.8 | 3.6 |
| 29. | -6.8° | -3.2° | -5.0° | -1.2° | 0.8 | – | 1.4 | 2.4 |
| 30. | -4.8° | 0.1° | -1.6° | -1.2° | 7.4 | – | 1.8 | 3.4 |
| 31. | – | – | – | – | – | – | - | - |