Porsgrunn (Ås) observation station
15 September 2021
Summary
Temperature
15 September 2021
The temperature varied from 9.1° to 16.0°
Name Value Highest Temperature16.0°Lowest (03–04 hr.) Temperature9.1°Average Temperature13.1° Normal Temperature12.4° Deviance Temperature0.7° Precipitation
15 September 2021
The wettest hour measured 2.1mm at 23–00 hr.
Name Value Total Precipitation 6.0mmWettest hour (23–00 hr.) Precipitation 2.1mmHighest humidity 99% Wind
15 September 2021
Strongest gust was 8.8m/s at 22–23 hr.
Name Value Highest wind speed (23–00 hr.) 3.5m/sStrongest gust (22–23 hr.) 8.8m/s
Wednesday 15 September
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 02 | – | 9.5° | 10.3° | 9.5° | 0.0 | – | 1.9 | 3.3 | 99 % |
| 03 | – | 9.4° | 10.0° | 9.4° | 0.0 | – | 1.5 | 2.9 | 99 % |
| 04 | – | 9.1° | 9.8° | 9.8° | 0.0 | – | 1.5 | 2.9 | 99 % |
| 05 | – | 9.7° | 9.9° | 9.7° | 0.0 | – | 1.5 | 4.1 | 99 % |
| 06 | – | 9.7° | 10.2° | 10.2° | 0.0 | – | 1.2 | 2.8 | 99 % |
| 07 | – | 10.2° | 10.5° | 10.4° | 0.0 | – | 1.0 | 3.2 | 99 % |
| 08 | – | 10.4° | 11.2° | 11.2° | 0.0 | – | 1.1 | 2.6 | 98 % |
| 09 | – | 11.2° | 12.2° | 12.2° | 0.0 | – | 1.3 | 4.1 | 95 % |
| 10 | – | 12.2° | 12.7° | 12.7° | 0.0 | – | 1.5 | 5.3 | 92 % |
| 11 | – | 12.7° | 13.9° | 13.8° | 0.0 | – | 1.4 | 3.8 | 86 % |
| 12 | – | 13.8° | 15.1° | 15.0° | 0.0 | – | 1.6 | 3.8 | 83 % |
| 13 | – | 14.8° | 15.5° | 15.5° | 0.0 | – | 2.3 | 4.5 | 81 % |
| 14 | – | 15.4° | 16.0° | 15.8° | 0.0 | – | 2.4 | 5.4 | 78 % |
| 15 | – | 15.7° | 16.0° | 15.7° | 0.0 | – | 3.1 | 5.8 | 76 % |
| 16 | – | 15.6° | 15.8° | 15.6° | 0.0 | – | 2.5 | 6.5 | 78 % |
| 17 | – | 15.5° | 15.7° | 15.5° | 0.0 | – | – | 6.2 | 81 % |
| 18 | – | 15.5° | 15.6° | 15.5° | 0.0 | – | 1.7 | 5.9 | 80 % |
| 19 | – | 15.2° | 15.5° | 15.3° | 0.0 | – | 2.4 | 6.5 | 80 % |
| 20 | – | 14.8° | 15.5° | 14.8° | 0.0 | – | 3.0 | 6.8 | 84 % |
| 21 | – | 13.8° | 14.8° | 13.8° | 0.9 | – | 2.0 | 6.0 | 91 % |
| 22 | – | 13.3° | 13.8° | 13.3° | 0.9 | – | 2.7 | 7.1 | 93 % |
| 23 | – | 12.9° | 13.3° | 12.9° | 1.7 | – | 2.7 | 8.8 | 95 % |
| 00 | – | 12.7° | 12.9° | 12.8° | 2.1 | – | 3.5 | 7.9 | 96 % |
| 01 | – | 12.7° | 12.9° | 12.9° | 0.4 | – | 3.2 | 7.8 | 97 % |