Porsgrunn (Ås) observation station
18 September 2023
Summary
Temperature
18 September 2023
The temperature varied from 11.4° to 16.6°
Name Value Highest (23–00 hr.) Temperature16.6°Lowest (07–08 hr.) Temperature11.4°Average Temperature13.4° Normal Temperature11.9° Deviance Temperature1.5° Precipitation
18 September 2023
The wettest hour measured 14.8mm at 19–20 hr.
Name Value Total Precipitation 50.8mmWettest hour (19–20 hr.) Precipitation 14.8mmHighest humidity (19–20 hr.) 98% Wind
18 September 2023
Strongest gust was 12.5m/s at 19–20 hr.
Name Value Highest wind speed (17–18 hr.) 5.1m/sStrongest gust (19–20 hr.) 12.5m/s
Monday 18 September
| Time | Weather | Min. temp. | Max temp. | Measured temp. | Precip. mm | Snow depth cm | Wind speed m/s | Strongest gust m/s | Humidity % |
|---|---|---|---|---|---|---|---|---|---|
| 02 | – | 12.5° | 12.7° | 12.7° | 0.0 | – | 2.1 | 5.8 | 75 % |
| 03 | – | 12.1° | 12.7° | 12.1° | 0.0 | – | 2.2 | 6.0 | 81 % |
| 04 | – | 12.0° | 12.1° | 12.1° | 0.0 | – | 2.6 | 5.0 | 81 % |
| 05 | – | 12.0° | 12.2° | 12.0° | 0.0 | – | 2.0 | 5.8 | 83 % |
| 06 | – | 11.9° | 12.1° | 11.9° | 0.0 | – | 2.4 | 5.7 | 87 % |
| 07 | – | 11.5° | 11.9° | 11.5° | 0.8 | – | 2.1 | 5.2 | 94 % |
| 08 | – | 11.4° | 11.7° | 11.7° | 1.1 | – | 2.9 | 7.5 | 95 % |
| 09 | – | 11.7° | 11.8° | 11.8° | 4.4 | – | 3.1 | 7.7 | 95 % |
| 10 | – | 11.8° | 11.9° | 11.9° | 2.1 | – | 2.9 | 7.3 | 96 % |
| 11 | – | 11.9° | 12.2° | 12.1° | 0.5 | – | 3.9 | 7.2 | 95 % |
| 12 | – | 12.1° | 12.3° | 12.3° | 0.1 | – | 3.8 | 8.7 | 95 % |
| 13 | – | 12.3° | 12.5° | 12.5° | 0.5 | – | 3.6 | 8.0 | 95 % |
| 14 | – | 12.5° | 12.6° | 12.5° | 0.8 | – | 2.8 | 6.0 | 95 % |
| 15 | – | 12.5° | 12.8° | 12.7° | 0.4 | – | 3.4 | 7.7 | 94 % |
| 16 | – | 12.7° | 13.3° | 13.3° | 0.3 | – | 4.0 | 9.7 | 93 % |
| 17 | – | 13.3° | 13.5° | 13.5° | 2.7 | – | 4.1 | 11.2 | 94 % |
| 18 | – | 13.4° | 13.8° | 13.8° | 7.4 | – | 5.1 | 10.1 | 96 % |
| 19 | – | 13.8° | 14.6° | 14.5° | 12.5 | – | 4.3 | 11.7 | 97 % |
| 20 | – | 14.5° | 15.8° | 15.8° | 14.8 | – | 4.8 | 12.5 | 98 % |
| 21 | – | 15.8° | 16.5° | 16.5° | 2.4 | – | 2.7 | 7.5 | 97 % |
| 22 | – | 16.4° | 16.5° | 16.5° | 0.0 | – | 2.6 | 5.3 | 95 % |
| 23 | – | 16.4° | 16.5° | 16.5° | 0.0 | – | 2.6 | 6.8 | 95 % |
| 00 | – | 16.3° | 16.6° | 16.3° | 0.0 | – | 2.3 | 7.4 | 96 % |
| 01 | – | 15.8° | 16.3° | 15.8° | 0.0 | – | 2.4 | 6.0 | 95 % |