Porsgrunn (Ås) observation station
4 September 2021
Summary
Temperature
4 September 2021
The temperature varied from 9.1° to 14.6°
Name Value Highest (16–17 hr.) Temperature14.6°Lowest (23–00 hr.) Temperature9.1°Average Temperature11.6° Normal Temperature14.0° Deviance Temperature-2.4° Precipitation
4 September 2021
The wettest hour measured 0.2mm at 02–03 hr.
Name Value Total Precipitation 0.6mmWettest hour (02–03 hr.) Precipitation 0.2mmHighest humidity 88% Wind
4 September 2021
Strongest gust was 6.8m/s at 04–05 hr.
Name Value Highest wind speed (04–05 hr.) 2.3m/sStrongest gust (04–05 hr.) 6.8m/s
Saturday 4 September
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 02 | – | 11.9° | 12.9° | 11.9° | 0.1 | – | 1.1 | 4.4 | 80 % |
| 03 | – | 11.2° | 12.3° | 11.2° | 0.2 | – | 1.9 | 3.3 | 87 % |
| 04 | – | 11.2° | 11.5° | 11.4° | 0.1 | – | 2.2 | 4.3 | 75 % |
| 05 | – | 11.1° | 11.5° | 11.1° | 0.0 | – | 2.3 | 6.8 | 70 % |
| 06 | – | 10.4° | 11.1° | 10.7° | 0.1 | – | 2.2 | 5.9 | 70 % |
| 07 | – | 10.6° | 10.8° | 10.7° | 0.0 | – | 1.4 | 3.9 | 66 % |
| 08 | – | 10.6° | 10.7° | 10.7° | 0.0 | – | 1.3 | 4.7 | 65 % |
| 09 | – | 10.7° | 10.9° | 10.9° | 0.0 | – | 1.5 | 4.2 | 67 % |
| 10 | – | 10.9° | 11.1° | 11.1° | 0.0 | – | 1.1 | 3.1 | 68 % |
| 11 | – | 10.9° | 11.2° | 11.1° | 0.0 | – | 1.2 | 2.8 | 67 % |
| 12 | – | 10.7° | 11.2° | 11.2° | 0.0 | – | 1.0 | 2.6 | 67 % |
| 13 | – | 11.2° | 12.1° | 11.9° | 0.1 | – | 1.3 | 2.4 | 72 % |
| 14 | – | 11.9° | 12.6° | 12.6° | 0.0 | – | 1.3 | 2.2 | 66 % |
| 15 | – | 12.6° | 13.6° | 13.5° | 0.0 | – | 1.5 | 2.7 | 64 % |
| 16 | – | 13.5° | 14.3° | 14.3° | 0.0 | – | 0.8 | 2.5 | 56 % |
| 17 | – | 13.9° | 14.6° | 14.2° | 0.0 | – | 1.4 | 3.1 | 60 % |
| 18 | – | 13.6° | 14.2° | 13.7° | 0.0 | – | 2.0 | 3.1 | 62 % |
| 19 | – | 12.8° | 13.7° | 12.8° | 0.0 | – | 1.7 | 4.0 | 60 % |
| 20 | – | 11.6° | 12.8° | 11.6° | 0.0 | – | 1.2 | 2.9 | 69 % |
| 21 | – | 10.5° | 11.6° | 10.5° | 0.0 | – | 0.7 | 2.2 | 75 % |
| 22 | – | 10.3° | 10.9° | 10.3° | 0.0 | – | 0.2 | 2.6 | 80 % |
| 23 | – | 9.5° | 10.4° | 10.4° | 0.0 | – | 0.9 | 2.6 | 83 % |
| 00 | – | 9.1° | 10.4° | 9.7° | 0.0 | – | 0.8 | 3.0 | 88 % |
| 01 | – | 9.7° | 10.1° | 10.1° | 0.0 | – | 0.7 | 1.6 | 88 % |