December 2011
Temperature
Max | 10.6°C | on 25 Dec 2011 at 20:19:00 |
Min | -0.8°C | on 02 Dec 2011 at 01:59:00 |
Mean max | 7.6°C | |
Mean min | 3.4°C | |
Highest min | 8.8°C | on 31 Dec 2011 at 23:10:00 |
Lowest max | 3.3°C | on 16 Dec 2011 at 16:19:00 |
Mean temperature | ||
Method 1 | 5.4°C | Average of all temperature data points |
Method 2 | 5.5°C | Average of day max/min values |
Lows | Highs | ||
≤-10°C | 0 | <0°C | 0 |
-5 to -10°C | 0 | 0 to 5°C | 7 |
0 to -5°C | 3 | 5 to 10°C | 20 |
0 to 5°C | 20 | 10 to 15°C | 4 |
5 to 10°C | 8 | 15 to 20°C | 0 |
10 to 15°C | 0 | 20 to 25°C | 0 |
>15°C | 0 | ≥25°C | 0 |
Day average | |||
<0°C | 0 | 10 to 15°C | 0 |
0 to 5°C | 13 | 15 to 20°C | 0 |
5 to 10°C | 18 | ≥20°C | 0 |
Lowest average 0.9 on 16 Dec;
Highest average 9.7 on 31 Dec
![Temperature for December 2011](archive/2011-12/temperature.png)
Air pressure
Max | 1030.2 mb | 27 Dec at 10:39:00 |
Min | 977.7 mb | 13 Dec at 01:19:00 |
Average | 1008.2 mb |
![Pressure for December 2011](archive/2011-12/pressure.png)
Rainfall
Total | 152.8 mm |
Days of rain | 31 (≥0.5mm) |
Wettest day | 24.864 mm on 23 Dec |
![Rainfall for December 2011](archive/2011-12/rain.png)
Wind
Max | 48.5 mph | on 29 Dec at 18:29:00 |
Average | 1.5 mph | |
Average direction | 266° | (1.2 mph) |
Steadiness factor | 81% | |
Prevailing direction | 256° | (not weighted for speed) |
Prevailing wind rose | Wind speed rose |
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Humidity
![Humidity for December 2011](archive/2011-12/humidity.png)
All calculations based on 00:00-23:59 day
Generated Sun Jan 1 01:43:08 2012