Porsgrunn (Ås) observation station
21 December 2023
Summary
Temperature
21 December 2023
The temperature varied from -4.9° to 0.8°
Name Value Highest (23–00 hr.) Temperature0.8°Lowest Temperature-4.9°Average Temperature-1.6° Normal Temperature-1.0° Deviance Temperature-0.6° Precipitation
21 December 2023
The wettest hour measured 2.6mm at 07–08 hr.
Name Value Total Precipitation 9.1mmWettest hour (07–08 hr.) Precipitation 2.6mmHighest humidity (08–09 hr.) 99% Wind
21 December 2023
Strongest gust was 15.3m/s at 21–22 hr.
Name Value Highest wind speed 7.2m/sStrongest gust (21–22 hr.) 15.3m/s
Thursday 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 | – | -4.7° | -3.8° | -4.7° | 0.0 | – | 1.3 | 2.1 | 91 % |
| 02 | – | -4.7° | -4.1° | -4.6° | 0.0 | – | 1.1 | 3.0 | 94 % |
| 03 | – | -4.9° | -4.5° | -4.9° | 0.0 | – | 1.1 | 2.3 | 94 % |
| 04 | – | -4.9° | -4.1° | -4.1° | 0.0 | – | 1.0 | 2.2 | 94 % |
| 05 | – | -4.1° | -3.8° | -3.8° | 0.0 | – | 0.7 | 2.7 | 90 % |
| 06 | – | -3.8° | -3.1° | -3.1° | 0.6 | – | 2.5 | 3.7 | 95 % |
| 07 | – | -3.1° | -1.8° | -1.8° | 2.1 | – | 2.5 | 4.7 | 98 % |
| 08 | – | -1.8° | -0.4° | -0.4° | 2.6 | – | 4.9 | 8.1 | 98 % |
| 09 | – | -0.4° | 0.1° | 0.1° | 1.6 | – | 4.4 | 8.0 | 99 % |
| 10 | – | -0.2° | 0.2° | -0.2° | 0.8 | – | 3.4 | 7.0 | 98 % |
| 11 | – | -0.6° | -0.1° | -0.6° | 0.2 | – | 3.2 | 7.9 | 96 % |
| 12 | – | -1.2° | -0.6° | -0.8° | 1.1 | – | 4.4 | 7.8 | 95 % |
| 13 | – | -1.4° | -0.6° | -1.4° | 0.1 | – | 4.3 | 8.3 | 92 % |
| 14 | – | -1.5° | -1.3° | -1.3° | 0.0 | – | 2.7 | 7.3 | 89 % |
| 15 | – | -1.7° | -1.3° | -1.5° | 0.0 | – | 3.6 | 7.0 | 86 % |
| 16 | – | -1.6° | -1.4° | -1.6° | 0.0 | – | 3.5 | 6.1 | 88 % |
| 17 | – | -1.6° | -1.4° | -1.4° | 0.0 | – | 3.7 | 7.1 | 82 % |
| 18 | – | -1.5° | -1.3° | -1.3° | 0.0 | – | 4.7 | 8.3 | 80 % |
| 19 | – | -1.5° | -1.2° | -1.2° | 0.0 | – | 6.0 | 9.7 | 78 % |
| 20 | – | -1.2° | -0.6° | -1.0° | 0.0 | – | 4.5 | 11.9 | 76 % |
| 21 | – | -1.1° | -0.6° | -0.7° | 0.0 | – | 7.2 | 12.1 | 65 % |
| 22 | – | -0.7° | 0.0° | 0.0° | 0.0 | – | 6.9 | 15.3 | 64 % |
| 23 | – | 0.0° | 0.7° | 0.7° | 0.0 | – | 7.2 | 13.9 | 63 % |
| 00 | – | 0.3° | 0.8° | 0.3° | 0.0 | – | 3.9 | 10.6 | 68 % |