Porsgrunn (Ås) observation station
4 December 2021
Summary
Temperature
4 December 2021
The temperature varied from -6.4° to -4.5°
Name Value Highest Temperature-4.5°Lowest (00–01 hr.) Temperature-6.4°Average Temperature-5.1° Normal Temperature0.3° Deviance Temperature-5.4° Precipitation
4 December 2021
Highest precipitation was 0.1mm (multiple hours)
Name Value Total Precipitation 0.4mmWettest hour Precipitation 0.1mmHighest humidity (03–04 hr.) 90% Wind
4 December 2021
Strongest gust was 11.1m/s at 22–23 hr.
Name Value Highest wind speed (18–19 hr.) 4.5m/sStrongest gust (22–23 hr.) 11.1m/s
Saturday 4 December
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 01 | – | -6.4° | -6.0° | -6.0° | 0.0 | – | 2.9 | 5.6 | 89 % |
| 02 | – | -6.0° | -5.7° | -5.7° | 0.0 | – | 2.6 | 5.0 | 89 % |
| 03 | – | -5.7° | -5.6° | -5.7° | 0.0 | – | 3.0 | 5.2 | 88 % |
| 04 | – | -5.7° | -5.6° | -5.6° | 0.1 | – | 2.6 | 6.6 | 90 % |
| 05 | – | -5.7° | -5.5° | -5.5° | 0.1 | – | 3.1 | 6.2 | 89 % |
| 06 | – | -5.6° | -5.4° | -5.4° | 0.1 | – | 3.4 | 6.4 | 88 % |
| 07 | – | -5.4° | -5.2° | -5.2° | 0.1 | – | 3.2 | 6.3 | 89 % |
| 08 | – | -5.2° | -4.9° | -5.0° | 0.0 | – | 3.3 | 7.1 | 88 % |
| 09 | – | -5.0° | -4.9° | -4.9° | 0.0 | – | 3.5 | 6.7 | 88 % |
| 10 | – | -4.9° | -4.8° | -4.8° | 0.0 | – | 3.3 | 7.7 | 88 % |
| 11 | – | -4.8° | -4.7° | -4.7° | 0.0 | – | 2.7 | 7.1 | 88 % |
| 12 | – | -4.7° | -4.5° | -4.6° | 0.0 | – | 3.3 | 6.4 | 88 % |
| 13 | – | -4.6° | -4.5° | -4.5° | 0.0 | – | 2.8 | 7.1 | 88 % |
| 14 | – | -4.7° | -4.5° | -4.6° | 0.0 | – | 2.9 | 6.9 | 88 % |
| 15 | – | -4.8° | -4.6° | -4.7° | 0.0 | – | 3.0 | 6.6 | 87 % |
| 16 | – | -4.7° | -4.6° | -4.6° | 0.0 | – | 2.7 | 5.7 | 87 % |
| 17 | – | -4.7° | -4.6° | -4.6° | 0.0 | – | 2.6 | 7.1 | 86 % |
| 18 | – | -4.7° | -4.6° | -4.7° | 0.0 | – | 2.7 | 5.9 | 85 % |
| 19 | – | -4.8° | -4.7° | -4.8° | 0.0 | – | 4.5 | 9.2 | 85 % |
| 20 | – | -5.1° | -4.8° | -5.1° | 0.0 | – | 3.2 | 7.7 | 86 % |
| 21 | – | -5.2° | -5.1° | -5.1° | 0.0 | – | 3.9 | 7.8 | 86 % |
| 22 | – | -5.3° | -5.1° | -5.3° | 0.0 | – | 4.1 | 9.7 | 85 % |
| 23 | – | -5.4° | -5.3° | -5.3° | 0.0 | – | 4.1 | 11.1 | 85 % |
| 00 | – | -5.5° | -5.2° | -5.2° | 0.0 | – | 3.5 | 9.8 | 84 % |