Porsgrunn (Ås) observation station
21 September 2023
Summary
Temperature
21 September 2023
The temperature varied from 13.3° to 16.7°
Name Value Highest Temperature16.7°Lowest (23–00 hr.) Temperature13.3°Average Temperature15.3° Normal Temperature11.3° Deviance Temperature4.0° Precipitation
21 September 2023
The wettest hour measured 1.6mm at 16–17 hr.
Name Value Total Precipitation 13.0mmWettest hour (16–17 hr.) Precipitation 1.6mmHighest humidity 99% Wind
21 September 2023
Strongest gust was 13.2m/s at 11–12 hr.
Name Value Highest wind speed (12–13 hr.) 5.9m/sStrongest gust (11–12 hr.) 13.2m/s
Thursday 21 September
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 02 | – | 16.6° | 16.7° | 16.7° | 0.0 | – | 4.2 | 11.3 | 90 % |
| 03 | – | 16.3° | 16.7° | 16.3° | 0.0 | – | 3.8 | 10.2 | 94 % |
| 04 | – | 16.0° | 16.3° | 16.0° | 0.1 | – | 4.2 | 10.8 | 96 % |
| 05 | – | 15.8° | 16.1° | 16.0° | 0.8 | – | 4.8 | 10.8 | 95 % |
| 06 | – | 16.0° | 16.2° | 16.2° | 0.0 | – | 4.8 | 12.3 | 93 % |
| 07 | – | 16.1° | 16.2° | 16.2° | 0.0 | – | 4.5 | 12.0 | 91 % |
| 08 | – | 15.9° | 16.2° | 15.9° | 0.1 | – | 3.4 | 11.3 | 92 % |
| 09 | – | 15.7° | 15.9° | 15.9° | 0.0 | – | 3.7 | 9.9 | 92 % |
| 10 | – | 15.8° | 16.3° | 16.3° | 0.0 | – | 3.9 | 9.5 | 91 % |
| 11 | – | 16.3° | 16.6° | 16.6° | 0.0 | – | 4.7 | 11.7 | 90 % |
| 12 | – | 16.3° | 16.6° | 16.3° | 0.3 | – | 4.7 | 13.2 | 93 % |
| 13 | – | 16.0° | 16.3° | 16.1° | 0.8 | – | 5.9 | 11.6 | 95 % |
| 14 | – | 15.7° | 16.1° | 15.7° | 1.5 | – | 2.9 | 10.0 | 95 % |
| 15 | – | 15.4° | 15.9° | 15.9° | 0.9 | – | 3.1 | 8.0 | 95 % |
| 16 | – | 15.3° | 15.9° | 15.3° | 0.9 | – | 3.4 | 7.0 | 95 % |
| 17 | – | 14.6° | 15.3° | 14.6° | 1.6 | – | 2.4 | 7.8 | 96 % |
| 18 | – | 14.3° | 14.6° | 14.4° | 1.1 | – | 2.0 | 5.5 | 97 % |
| 19 | – | 14.0° | 14.4° | 14.1° | 1.4 | – | 1.8 | 4.5 | 96 % |
| 20 | – | 13.7° | 14.1° | 13.8° | 0.7 | – | 1.5 | 4.7 | 97 % |
| 21 | – | 13.8° | 13.9° | 13.8° | 0.4 | – | 1.6 | 3.6 | 98 % |
| 22 | – | 13.6° | 13.8° | 13.7° | 0.6 | – | 1.4 | 3.9 | 98 % |
| 23 | – | 13.4° | 13.7° | 13.4° | 1.3 | – | 1.7 | 3.6 | 97 % |
| 00 | – | 13.3° | 13.5° | 13.5° | 0.1 | – | 1.3 | 2.8 | 99 % |
| 01 | – | 13.4° | 13.5° | 13.4° | 0.4 | – | 1.6 | 2.8 | 99 % |