Porsgrunn (Ås) observation station
9 December 2021
Summary
Temperature
9 December 2021
The temperature varied from -1.3° to -0.4°
Name Value Highest Temperature-0.4°Lowest (00–01 hr.) Temperature-1.3°Average Temperature-0.7° Normal Temperature-0.2° Deviance Temperature-0.5° Precipitation
9 December 2021
Highest precipitation was 0.7mm (multiple hours)
Name Value Total Precipitation 4.2mmWettest hour Precipitation 0.7mmHighest humidity 99% Wind
9 December 2021
The strongest gust was measured at 6.0m/s (multiple hours)
Name Value Highest wind speed (02–03 hr.) 3.1m/sStrongest gust 6.0m/s
Thursday 9 December
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 01 | – | -1.3° | -1.2° | -1.2° | 0.1 | – | 3.0 | 5.4 | 97 % |
| 02 | – | -1.2° | -1.1° | -1.1° | 0.0 | – | 3.0 | 6.0 | 96 % |
| 03 | – | -1.1° | -1.0° | -1.0° | 0.0 | – | 3.1 | 6.0 | 96 % |
| 04 | – | -1.0° | -0.9° | -0.9° | 0.1 | – | 2.2 | 5.8 | 97 % |
| 05 | – | -0.9° | -0.9° | -0.9° | 0.0 | – | 2.1 | 5.1 | 98 % |
| 06 | – | -0.9° | -0.7° | -0.8° | 0.0 | – | 2.3 | 5.2 | 98 % |
| 07 | – | -0.8° | -0.6° | -0.6° | 0.1 | – | 2.1 | 5.1 | 98 % |
| 08 | – | -0.6° | -0.5° | -0.5° | 0.3 | – | 2.8 | 5.3 | 97 % |
| 09 | – | -0.7° | -0.5° | -0.7° | 0.0 | – | 1.7 | 5.8 | 94 % |
| 10 | – | -0.8° | -0.7° | -0.8° | 0.0 | – | 2.2 | 5.3 | 93 % |
| 11 | – | -0.8° | -0.7° | -0.7° | 0.0 | – | 2.4 | 5.7 | 92 % |
| 12 | – | -0.7° | -0.6° | -0.6° | 0.0 | – | 1.6 | 5.6 | 92 % |
| 13 | – | -0.6° | -0.6° | -0.6° | 0.0 | – | 2.4 | 5.4 | 94 % |
| 14 | – | -0.6° | -0.4° | -0.5° | 0.1 | – | 2.2 | 5.6 | 94 % |
| 15 | – | -0.6° | -0.5° | -0.6° | 0.2 | – | 1.9 | 5.1 | 96 % |
| 16 | – | -0.6° | -0.4° | -0.5° | 0.1 | – | 2.4 | 5.2 | 94 % |
| 17 | – | -0.5° | -0.4° | -0.5° | 0.1 | – | 2.0 | 5.2 | 96 % |
| 18 | – | -0.6° | -0.5° | -0.5° | 0.3 | – | 1.9 | 4.5 | 98 % |
| 19 | – | -0.5° | -0.5° | -0.5° | 0.6 | – | 1.7 | 4.4 | 99 % |
| 20 | – | -0.5° | -0.4° | -0.5° | 0.7 | – | 2.1 | 3.9 | 99 % |
| 21 | – | -0.5° | -0.4° | -0.4° | 0.7 | – | 2.3 | 4.5 | 99 % |
| 22 | – | -0.4° | -0.4° | -0.4° | 0.5 | – | 1.6 | 4.2 | 99 % |
| 23 | – | -0.5° | -0.4° | -0.4° | 0.3 | – | 1.8 | 4.1 | 99 % |
| 00 | – | -0.6° | -0.4° | -0.5° | 0.0 | – | 2.4 | 4.8 | 99 % |