Porsgrunn (Ås) observation station
21 September 2021
Summary
Temperature
21 September 2021
The temperature varied from 8.7° to 14.1°
Name Value Highest (15–16 hr.) Temperature14.1°Lowest (02–03 hr.) Temperature8.7°Average Temperature11.4° Normal Temperature11.3° Deviance Temperature0.1° Precipitation
21 September 2021
The wettest hour measured 2.1mm at 06–07 hr.
Name Value Total Precipitation 3.2mmWettest hour (06–07 hr.) Precipitation 2.1mmHighest humidity 99% Wind
21 September 2021
Strongest gust was 4.7m/s at 02–03 hr.
Name Value Highest wind speed (20–21 hr.) 3.0m/sStrongest gust (02–03 hr.) 4.7m/s
Tuesday 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 | – | 9.0° | 9.5° | 9.1° | 0.0 | – | 1.2 | 3.3 | 86 % |
| 03 | – | 8.7° | 9.3° | 9.2° | 0.0 | – | 1.0 | 4.7 | 85 % |
| 04 | – | 9.1° | 9.5° | 9.5° | 0.0 | – | 1.3 | 3.6 | 83 % |
| 05 | – | 9.5° | 9.6° | 9.6° | 0.0 | – | 0.6 | 3.8 | 87 % |
| 06 | – | 9.4° | 9.8° | 9.4° | 0.4 | – | 1.4 | 3.1 | 94 % |
| 07 | – | 9.4° | 9.8° | 9.8° | 2.1 | – | 0.8 | 3.4 | 98 % |
| 08 | – | 9.8° | 10.4° | 10.4° | 0.7 | – | 1.3 | 3.6 | 99 % |
| 09 | – | 10.4° | 10.9° | 10.9° | 0.0 | – | 0.9 | 2.1 | 99 % |
| 10 | – | 10.9° | 11.4° | 11.4° | 0.0 | – | 1.5 | 2.9 | 97 % |
| 11 | – | 11.2° | 11.4° | 11.3° | 0.0 | – | 2.3 | 4.2 | 96 % |
| 12 | – | 11.2° | 11.8° | 11.8° | 0.0 | – | 2.5 | 4.6 | 93 % |
| 13 | – | 11.8° | 12.4° | 12.3° | 0.0 | – | 2.3 | 4.5 | 91 % |
| 14 | – | 12.3° | 13.1° | 13.1° | 0.0 | – | 2.0 | 4.1 | 86 % |
| 15 | – | 13.0° | 13.6° | 13.6° | 0.0 | – | 0.9 | 3.7 | 82 % |
| 16 | – | 13.6° | 14.1° | 14.0° | 0.0 | – | 1.4 | 2.2 | 80 % |
| 17 | – | 13.5° | 14.0° | 13.6° | 0.0 | – | 0.8 | 2.3 | 83 % |
| 18 | – | 13.4° | 13.7° | 13.4° | 0.0 | – | 1.7 | 3.5 | 85 % |
| 19 | – | 13.1° | 13.5° | 13.1° | 0.0 | – | 1.1 | 2.5 | 82 % |
| 20 | – | 11.5° | 13.1° | 11.8° | 0.0 | – | 1.0 | 2.1 | 91 % |
| 21 | – | 11.7° | 12.1° | 12.1° | 0.0 | – | 3.0 | 4.5 | 78 % |
| 22 | – | 11.9° | 12.4° | 12.1° | 0.0 | – | 1.5 | 3.9 | 74 % |
| 23 | – | 11.6° | 12.1° | 11.9° | 0.0 | – | 1.6 | 3.6 | 76 % |
| 00 | – | 11.1° | 12.1° | 11.1° | 0.0 | – | 1.2 | 2.6 | 82 % |
| 01 | – | 9.7° | 11.1° | 9.8° | 0.0 | – | 0.6 | 2.3 | 95 % |