Porsgrunn (Ås) observation station
12 September 2021
Summary
Temperature
12 September 2021
The temperature varied from 13.3° to 23.9°
Name Value Highest (14–15 hr.) Temperature23.9°Lowest (06–07 hr.) Temperature13.3°Average Temperature16.6° Normal Temperature12.8° Deviance Temperature3.8° Precipitation
12 September 2021
The wettest hour measured 1.8mm at 17–18 hr.
Name Value Total Precipitation 2.6mmWettest hour (17–18 hr.) Precipitation 1.8mmHighest humidity 99% Wind
12 September 2021
Strongest gust was 7.1m/s at 15–16 hr.
Name Value Highest wind speed (15–16 hr.) 3.2m/sStrongest gust (15–16 hr.) 7.1m/s
Sunday 12 September
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 02 | – | 15.1° | 15.3° | 15.1° | 0.0 | – | 0.7 | 2.4 | 99 % |
| 03 | – | 14.8° | 15.1° | 14.8° | 0.0 | – | 0.5 | 1.8 | 99 % |
| 04 | – | 13.8° | 14.8° | 14.2° | 0.0 | – | 0.8 | 1.4 | 99 % |
| 05 | – | 13.7° | 14.2° | 14.1° | 0.0 | – | 0.6 | 1.9 | 99 % |
| 06 | – | 13.7° | 14.2° | 13.9° | 0.0 | – | 0.8 | 1.6 | 99 % |
| 07 | – | 13.3° | 14.1° | 14.1° | 0.0 | – | 0.8 | 1.2 | 99 % |
| 08 | – | 13.7° | 14.8° | 14.8° | 0.0 | – | 1.1 | 1.6 | 99 % |
| 09 | – | 14.7° | 15.1° | 15.0° | 0.0 | – | 0.6 | 2.2 | 99 % |
| 10 | – | 15.0° | 17.2° | 17.2° | 0.0 | – | 1.3 | 2.1 | 87 % |
| 11 | – | 17.0° | 17.6° | 17.5° | 0.0 | – | 1.3 | 2.1 | 88 % |
| 12 | – | 17.5° | 20.6° | 20.4° | 0.0 | – | 1.5 | 2.9 | 74 % |
| 13 | – | 19.9° | 21.2° | 21.1° | 0.0 | – | 1.5 | 3.8 | 71 % |
| 14 | – | 21.1° | 23.0° | 22.8° | 0.0 | – | 1.8 | 4.0 | 63 % |
| 15 | – | 22.4° | 23.9° | 23.5° | 0.0 | – | 1.8 | 5.1 | 58 % |
| 16 | – | 19.7° | 23.8° | 20.6° | 0.0 | – | 3.2 | 7.1 | 75 % |
| 17 | – | 18.1° | 20.7° | 18.3° | 0.0 | – | 1.3 | 5.1 | 89 % |
| 18 | – | 16.4° | 18.4° | 16.4° | 1.8 | – | 2.0 | 6.4 | 95 % |
| 19 | – | 16.4° | 16.9° | 16.6° | 0.8 | – | 1.6 | 3.9 | 95 % |
| 20 | – | 15.4° | 16.6° | 15.4° | 0.0 | – | 1.1 | 2.8 | 97 % |
| 21 | – | 15.4° | 15.8° | 15.5° | 0.0 | – | 2.1 | 4.5 | 94 % |
| 22 | – | 15.1° | 15.5° | 15.5° | 0.0 | – | 2.3 | 4.3 | 88 % |
| 23 | – | 14.5° | 15.5° | 14.5° | 0.0 | – | 0.5 | 3.8 | 91 % |
| 00 | – | 13.7° | 14.9° | 13.7° | 0.0 | – | 1.9 | 3.3 | 89 % |
| 01 | – | 13.4° | 14.1° | 13.4° | 0.0 | – | 1.7 | 5.2 | 86 % |