December 2009
Temperature
Max | 10.8°C | on 06 Dec 2009 at 00:10:00 |
Min | -6.9°C | on 18 Dec 2009 at 22:50:00 |
Mean max | 5.1°C | |
Mean min | 0.1°C | |
Highest min | 6.8°C | on 09 Dec 2009 at 05:30:00 |
Lowest max | 0.6°C | on 18 Dec 2009 at 12:50:00 |
Mean temperature | ||
Method 1 | 2.7°C | Average of all temperature data points |
Method 2 | 2.6°C | Average of day max/min values |
Lows | Highs | ||
≤-10°C | 0 | ≤5°C | 17 |
-5 to -10°C | 4 | 5 to 10°C | 10 |
0 to -5°C | 7 | 10 to 15°C | 4 |
0 to 5°C | 18 | 15 to 20°C | 0 |
5 to 10°C | 2 | 20 to 25°C | 0 |
10 to 15°C | 0 | 25 to 30°C | 0 |
>15°C | 0 | ≥30°C | 0 |
Day average | |||
<0°C | 7 | 10 to 15°C | 0 |
0 to 5°C | 17 | 15 to 20°C | 0 |
5 to 10°C | 7 | ≥20°C | 0 |
Lowest average -2.9 on 18 Dec;
Highest average 8.4 on 09 Dec
![Temperature for December 2009](archive/2009-12/temperature.png)
Air pressure
Max | 1031.6 mb | 11 Dec at 23:50:00 |
Min | 983 mb | 22 Dec at 03:40:00 |
Average | 1003.7 mb |
![Pressure for December 2009](archive/2009-12/pressure.png)
Rainfall
Total | 124.8 mm |
Days of rain | 22 (≥0.5mm) |
Wettest day | 17.16 mm on 03 Dec |
![Rainfall for December 2009](archive/2009-12/rain.png)
Wind
Max | 0 mph | on |
Max gust | 0 mph | on |
Average | 0 mph | |
Average direction | 0° | (0 mph) |
Steadiness factor | 0% | |
Prevailing direction | 96° | (not weighted for speed) |
Prevailing wind rose | Wind speed rose |
---|---|
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Humidity
![Humidity for December 2009](archive/2009-12/humidity.png)
All calculations based on 00:00-23:59 day
Generated Tue Jan 12 12:02:44 2010