Porsgrunn (Ås) observation station
28 September 2023
Summary
Temperature
28 September 2023
The temperature varied from 12.9° to 18.4°
Name Value Highest (15–16 hr.) Temperature18.4°Lowest (04–05 hr.) Temperature12.9°Average Temperature14.8° Normal Temperature10.1° Deviance Temperature4.7° Precipitation
28 September 2023
The wettest hour measured 8.5mm at 10–11 hr.
Name Value Total Precipitation 10.1mmWettest hour (10–11 hr.) Precipitation 8.5mmHighest humidity 99% Wind
28 September 2023
Strongest gust was 9.6m/s at 09–10 hr.
Name Value Highest wind speed (11–12 hr.) 4.2m/sStrongest gust (09–10 hr.) 9.6m/s
Thursday 28 September
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 02 | – | 13.1° | 13.3° | 13.2° | 0.0 | – | 0.6 | 3.0 | 99 % |
| 03 | – | 13.0° | 13.6° | 13.6° | 0.0 | – | 1.2 | 2.3 | 99 % |
| 04 | – | 13.0° | 13.6° | 13.0° | 0.0 | – | 1.2 | 2.4 | 98 % |
| 05 | – | 12.9° | 13.1° | 13.1° | 0.0 | – | 1.5 | 3.4 | 98 % |
| 06 | – | 13.1° | 13.6° | 13.6° | 0.0 | – | 3.3 | 5.4 | 95 % |
| 07 | – | 13.5° | 13.7° | 13.6° | 0.0 | – | 4.0 | 7.4 | 95 % |
| 08 | – | 13.5° | 13.7° | 13.6° | 0.0 | – | 4.0 | 7.4 | 94 % |
| 09 | – | 13.5° | 13.8° | 13.8° | 0.0 | – | 3.6 | 9.0 | 94 % |
| 10 | – | 13.8° | 14.7° | 14.5° | 1.5 | – | 2.6 | 9.6 | 94 % |
| 11 | – | 14.2° | 15.0° | 15.0° | 8.5 | – | 3.8 | 8.4 | 95 % |
| 12 | – | 15.0° | 15.7° | 15.7° | 0.0 | – | 4.2 | 8.2 | 97 % |
| 13 | – | 15.7° | 16.2° | 16.2° | 0.0 | – | 4.0 | 8.6 | 96 % |
| 14 | – | 16.1° | 16.3° | 16.3° | 0.1 | – | 2.9 | 8.2 | 96 % |
| 15 | – | 16.3° | 18.2° | 18.2° | 0.0 | – | 3.0 | 7.1 | 85 % |
| 16 | – | 17.9° | 18.4° | 17.9° | 0.0 | – | 2.9 | 7.6 | 81 % |
| 17 | – | 16.8° | 18.3° | 16.8° | 0.0 | – | 3.3 | 7.6 | 82 % |
| 18 | – | 15.7° | 16.9° | 15.7° | 0.0 | – | 2.7 | 7.5 | 89 % |
| 19 | – | 15.5° | 15.7° | 15.5° | 0.0 | – | 1.9 | 7.5 | 90 % |
| 20 | – | 15.0° | 15.5° | 15.0° | 0.0 | – | 1.8 | 6.4 | 92 % |
| 21 | – | 13.9° | 15.0° | 14.1° | 0.0 | – | 0.9 | 4.5 | 94 % |
| 22 | – | 13.5° | 14.2° | 14.2° | 0.0 | – | 1.3 | 3.8 | 92 % |
| 23 | – | 13.9° | 14.2° | 14.2° | 0.0 | – | 1.5 | 4.9 | 89 % |
| 00 | – | 13.3° | 14.2° | 13.8° | 0.0 | – | 2.0 | 4.2 | 90 % |
| 01 | – | 13.4° | 13.9° | 13.4° | 0.0 | – | 1.4 | 4.9 | 90 % |