September 2011
Temperature
Max | 27.4°C | on 30 Sep 2011 at 14:19:00 |
Min | 6.7°C | on 21 Sep 2011 at 06:19:00 |
Mean max | 17.4°C | |
Mean min | 10.6°C | |
Highest min | 16.4°C | on 30 Sep 2011 at 07:09:00 |
Lowest max | 13.2°C | on 14 Sep 2011 at 15:39:00 |
Mean temperature | ||
Method 1 | 13.5°C | Average of all temperature data points |
Method 2 | 13.95°C | Average of day max/min values |
Lows | Highs | ||
≤-10°C | 0 | <0°C | 0 |
-5 to -10°C | 0 | 0 to 5°C | 0 |
0 to -5°C | 0 | 5 to 10°C | 0 |
0 to 5°C | 0 | 10 to 15°C | 10 |
5 to 10°C | 14 | 15 to 20°C | 14 |
10 to 15°C | 13 | 20 to 25°C | 3 |
>15°C | 3 | ≥25°C | 3 |
Day average | |||
<0°C | 0 | 10 to 15°C | 24 |
0 to 5°C | 0 | 15 to 20°C | 5 |
5 to 10°C | 0 | ≥20°C | 1 |
Lowest average 10.7 on 17 Sep;
Highest average 20.6 on 30 Sep
![Temperature for September 2011](archive/2011-09/temperature.png)
Air pressure
Max | 1025 mb | 27 Sep at 10:59:00 |
Min | 993.5 mb | 12 Sep at 05:29:00 |
Average | 1009.4 mb |
![Pressure for September 2011](archive/2011-09/pressure.png)
Rainfall
Total | 137.3 mm |
Days of rain | 20 (≥0.5mm) |
Wettest day | 24.346 mm on 18 Sep |
![Rainfall for September 2011](archive/2011-09/rain.png)
Wind
Max | 16.1 mph | on 10 Sep at 15:39:00 |
Average | 0.4 mph | |
Average direction | 144° | (0.1 mph) |
Steadiness factor | 29% | |
Prevailing direction | 221° | (not weighted for speed) |
Prevailing wind rose | Wind speed rose |
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Humidity
![Humidity for September 2011](archive/2011-09/humidity.png)
All calculations based on 00:00-23:59 day
Generated Sat Oct 1 00:10:26 2011