December 2008
Temperature
Max | 10.1°C | on 20 Dec 2008 at 13:20:00 |
Min | -4.6°C | on 11 Dec 2008 at 07:30:00 |
Mean max | 5.6°C | |
Mean min | 0.3°C | |
Highest min | 8.6°C | on 20 Dec 2008 at 23:40:00 |
Lowest max | 0.3°C | on 30 Dec 2008 at 11:50:00 |
Mean temperature | ||
Method 1 | 2.9°C | Average of all temperature data points |
Method 2 | 3°C | Average of day max/min values |
Lows | Highs | ||
≤-10°C | 0 | ≤5°C | 14 |
-5 to -10°C | 0 | 5 to 10°C | 16 |
0 to -5°C | 17 | 10 to 15°C | 1 |
0 to 5°C | 10 | 15 to 20°C | 0 |
5 to 10°C | 4 | 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 | 6 | 10 to 15°C | 0 |
0 to 5°C | 17 | 15 to 20°C | 0 |
5 to 10°C | 8 | ≥20°C | 0 |
Lowest average -2.4 on 30 Dec;
Highest average 9.4 on 20 Dec
![Temperature for December 2008](archive/2008-12/temperature.png)
Air pressure
Max | 1036.2 mb | 26 Dec at 23:10:00 |
Min | 975.3 mb | 04 Dec at 05:20:00 |
Average | 1016.2 mb |
![Pressure for December 2008](archive/2008-12/pressure.png)
Rainfall
Total | 88.9 mm |
Days of rain | 16 (≥0.5mm) |
Wettest day | 19.23 mm on 04 Dec |
![Rainfall for December 2008](archive/2008-12/rain.png)
Wind
Max | 114.3 mph | on 04 Dec at 02:50:00 |
Max gust | 114.3 mph | on 02 Dec at 09:40:00 |
Average | 80.8 mph | |
Average direction | 202° | (19.2 mph) |
Steadiness factor | 24% | |
Prevailing direction | 194° | (not weighted for speed) |
Prevailing wind rose | Wind speed rose |
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Humidity
![Humidity for December 2008](archive/2008-12/humidity.png)
All calculations based on 00:00-23:59 day
Generated Thu Jan 1 00:00:39 2009