Porsgrunn (Ås) observation station
18 December 2023
Summary
Temperature
18 December 2023
The temperature varied from -1.9° to 6.2°
Name Value Highest (23–00 hr.) Temperature6.2°Lowest (08–09 hr.) Temperature-1.9°Average Temperature1.7° Normal Temperature-0.9° Deviance Temperature2.6° Precipitation
18 December 2023
The wettest hour measured 0.2mm at 20–21 hr.
Name Value Total Precipitation 0.3mmWettest hour (20–21 hr.) Precipitation 0.2mmHighest humidity 99% Wind
18 December 2023
Strongest gust was 6.1m/s at 20–21 hr.
Name Value Highest wind speed (05–06 hr.) 3.3m/sStrongest gust (20–21 hr.) 6.1m/s
Monday 18 December
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 01 | – | 2.8° | 4.6° | 3.2° | 0.0 | – | 2.0 | 2.8 | 98 % |
| 02 | – | 2.2° | 3.4° | 2.2° | 0.0 | – | 1.4 | 3.0 | 97 % |
| 03 | – | 1.3° | 2.3° | 1.3° | 0.0 | – | 1.7 | 2.9 | 98 % |
| 04 | – | 0.9° | 1.9° | 1.8° | 0.0 | – | 3.0 | 4.0 | 98 % |
| 05 | – | 1.0° | 1.8° | 1.3° | 0.0 | – | 2.0 | 4.3 | 98 % |
| 06 | – | 0.3° | 1.3° | 0.3° | 0.0 | – | 3.3 | 4.5 | 98 % |
| 07 | – | -0.4° | 0.3° | -0.4° | 0.0 | – | 1.3 | 4.1 | 99 % |
| 08 | – | -1.3° | -0.4° | -1.3° | 0.0 | – | 1.0 | 2.7 | 99 % |
| 09 | – | -1.9° | -1.3° | -1.8° | 0.0 | – | 0.7 | 2.1 | 98 % |
| 10 | – | -1.8° | -1.0° | -1.4° | 0.0 | – | 1.7 | 2.6 | 99 % |
| 11 | – | -1.5° | -1.1° | -1.1° | 0.0 | – | 1.1 | 3.1 | 99 % |
| 12 | – | -1.1° | 0.7° | 0.7° | 0.0 | – | 1.0 | 2.8 | 99 % |
| 13 | – | -0.4° | 1.7° | 1.0° | 0.0 | – | 1.7 | 2.7 | 99 % |
| 14 | – | 0.1° | 1.8° | 0.7° | 0.0 | – | 1.4 | 2.9 | 97 % |
| 15 | – | 0.7° | 1.7° | 1.2° | 0.0 | – | 1.1 | 2.7 | 98 % |
| 16 | – | 0.1° | 2.2° | 0.1° | 0.0 | – | 0.9 | 1.5 | 97 % |
| 17 | – | 0.0° | 1.1° | 1.1° | 0.0 | – | 1.0 | 2.4 | 99 % |
| 18 | – | 1.1° | 3.0° | 3.0° | 0.0 | – | 1.3 | 3.1 | 97 % |
| 19 | – | 3.0° | 4.1° | 3.2° | 0.0 | – | 1.9 | 3.0 | 93 % |
| 20 | – | 3.0° | 4.3° | 4.3° | 0.1 | – | 1.2 | 3.6 | 98 % |
| 21 | – | 4.3° | 5.5° | 5.4° | 0.2 | – | 1.0 | 6.1 | 98 % |
| 22 | – | 5.0° | 5.5° | 5.3° | 0.0 | – | 1.3 | 4.4 | 98 % |
| 23 | – | 4.7° | 5.7° | 5.7° | 0.0 | – | 1.8 | 4.1 | 97 % |
| 00 | – | 5.1° | 6.2° | 5.8° | 0.0 | – | 1.9 | 6.0 | 91 % |