Porsgrunn (Ås) observation station
21 December 2021
Summary
Temperature
21 December 2021
The temperature varied from -5.0° to -2.4°
Name Value Highest Temperature-2.4°Lowest (01–02 hr.) Temperature-5.0°Average Temperature-3.2° Normal Temperature-1.0° Deviance Temperature-2.2° Precipitation
21 December 2021
The wettest hour measured 1.1mm at 20–21 hr.
Name Value Total Precipitation 2.6mmWettest hour (20–21 hr.) Precipitation 1.1mmHighest humidity 98% Wind
21 December 2021
Strongest gust was 4.9m/s at 18–19 hr.
Name Value Highest wind speed (15–16 hr.) 3.2m/sStrongest gust (18–19 hr.) 4.9m/s
Tuesday 21 December
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 01 | – | -4.5° | -4.2° | -4.5° | 0.0 | – | 1.7 | 3.1 | 93 % |
| 02 | – | -5.0° | -4.5° | -4.8° | 0.0 | – | 1.2 | 3.6 | 96 % |
| 03 | – | -4.8° | -4.4° | -4.5° | 0.0 | – | 1.5 | 2.8 | 95 % |
| 04 | – | -4.5° | -4.1° | -4.3° | 0.0 | – | 1.9 | 3.9 | 95 % |
| 05 | – | -4.3° | -3.9° | -3.9° | 0.0 | – | 1.5 | 3.5 | 94 % |
| 06 | – | -3.9° | -3.7° | -3.8° | 0.0 | – | 1.1 | 2.6 | 93 % |
| 07 | – | -3.8° | -3.6° | -3.6° | 0.0 | – | 1.8 | 2.6 | 91 % |
| 08 | – | -3.6° | -3.5° | -3.6° | 0.0 | – | 1.4 | 2.5 | 92 % |
| 09 | – | -3.6° | -3.3° | -3.3° | 0.0 | – | 1.9 | 2.9 | 90 % |
| 10 | – | -3.4° | -3.2° | -3.2° | 0.0 | – | 1.7 | 3.1 | 88 % |
| 11 | – | -3.2° | -2.9° | -2.9° | 0.0 | – | 1.6 | 2.9 | 87 % |
| 12 | – | -3.0° | -2.7° | -3.0° | 0.3 | – | 1.5 | 3.3 | 93 % |
| 13 | – | -3.0° | -2.8° | -2.8° | 0.1 | – | 1.7 | 3.3 | 91 % |
| 14 | – | -2.8° | -2.6° | -2.6° | 0.0 | – | 1.6 | 3.0 | 90 % |
| 15 | – | -2.7° | -2.6° | -2.6° | 0.0 | – | 2.2 | 3.3 | 87 % |
| 16 | – | -2.8° | -2.6° | -2.8° | 0.0 | – | 3.2 | 4.5 | 89 % |
| 17 | – | -2.8° | -2.6° | -2.6° | 0.0 | – | 2.3 | 4.5 | 89 % |
| 18 | – | -2.7° | -2.4° | -2.7° | 0.2 | – | 2.5 | 4.0 | 92 % |
| 19 | – | -2.7° | -2.6° | -2.7° | 0.2 | – | 2.7 | 4.9 | 95 % |
| 20 | – | -2.8° | -2.6° | -2.7° | 0.3 | – | 3.1 | 4.8 | 97 % |
| 21 | – | -2.7° | -2.4° | -2.5° | 1.1 | – | 2.6 | 4.7 | 98 % |
| 22 | – | -2.6° | -2.5° | -2.6° | 0.4 | – | 2.3 | 4.7 | 98 % |
| 23 | – | -2.7° | -2.5° | -2.6° | 0.0 | – | 2.1 | 3.8 | 98 % |
| 00 | – | -2.7° | -2.6° | -2.6° | 0.0 | – | 2.9 | 4.7 | 96 % |