Porsgrunn (Ås) observation station
20 September 2023
Summary
Temperature
20 September 2023
The temperature varied from 9.0° to 17.6°
Name Value Highest (16–17 hr.) Temperature17.6°Lowest (01–02 hr.) Temperature9.0°Average Temperature12.9° Normal Temperature11.5° Deviance Temperature1.4° Precipitation
20 September 2023
Highest precipitation was 0.2mm (multiple hours)
Name Value Total Precipitation 0.9mmWettest hour Precipitation 0.2mmHighest humidity (13–14 hr.) 98% Wind
20 September 2023
Strongest gust was 11.9m/s at 23–00 hr.
Name Value Highest wind speed (23–00 hr.) 5.0m/sStrongest gust (23–00 hr.) 11.9m/s
Wednesday 20 September
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 02 | – | 9.0° | 9.2° | 9.1° | 0.0 | – | 0.9 | 3.6 | 89 % |
| 03 | – | 9.1° | 9.5° | 9.5° | 0.0 | – | 1.3 | 3.7 | 87 % |
| 04 | – | 9.5° | 9.6° | 9.5° | 0.0 | – | 0.8 | 3.0 | 91 % |
| 05 | – | 9.3° | 9.5° | 9.3° | 0.2 | – | 0.4 | 2.7 | 93 % |
| 06 | – | 9.1° | 9.4° | 9.2° | 0.0 | – | 0.9 | 2.3 | 96 % |
| 07 | – | 9.2° | 9.4° | 9.3° | 0.0 | – | 1.2 | 1.9 | 96 % |
| 08 | – | 9.3° | 9.8° | 9.8° | 0.0 | – | 1.0 | 2.6 | 95 % |
| 09 | – | 9.8° | 10.5° | 10.5° | 0.0 | – | 0.6 | 1.4 | 91 % |
| 10 | – | 9.8° | 10.5° | 9.9° | 0.1 | – | 1.6 | 3.0 | 96 % |
| 11 | – | 9.9° | 10.7° | 10.6° | 0.1 | – | 1.8 | 3.8 | 96 % |
| 12 | – | 10.6° | 11.3° | 11.3° | 0.2 | – | 0.7 | 2.8 | 95 % |
| 13 | – | 11.3° | 11.9° | 11.5° | 0.1 | – | 1.5 | 2.6 | 97 % |
| 14 | – | 11.4° | 12.2° | 12.2° | 0.1 | – | 1.2 | 2.3 | 98 % |
| 15 | – | 12.0° | 13.6° | 13.4° | 0.0 | – | 2.3 | 4.5 | 97 % |
| 16 | – | 13.4° | 17.3° | 17.3° | 0.0 | – | 2.6 | 5.6 | 90 % |
| 17 | – | 17.0° | 17.6° | 17.2° | 0.0 | – | 3.5 | 9.1 | 88 % |
| 18 | – | 16.6° | 17.5° | 16.6° | 0.0 | – | 3.5 | 9.1 | 90 % |
| 19 | – | 15.9° | 16.6° | 15.9° | 0.0 | – | 4.1 | 9.7 | 95 % |
| 20 | – | 15.7° | 16.1° | 16.0° | 0.0 | – | 2.4 | 9.3 | 91 % |
| 21 | – | 16.0° | 16.1° | 16.1° | 0.0 | – | 2.6 | 8.9 | 91 % |
| 22 | – | 16.1° | 16.3° | 16.3° | 0.0 | – | 2.0 | 6.9 | 93 % |
| 23 | – | 16.2° | 16.3° | 16.2° | 0.0 | – | 3.1 | 7.4 | 94 % |
| 00 | – | 16.1° | 16.6° | 16.6° | 0.1 | – | 5.0 | 11.9 | 93 % |
| 01 | – | 16.6° | 16.7° | 16.7° | 0.0 | – | 3.4 | 11.1 | 91 % |