January 2009
Temperature
Max | 10.2°C | on 28 Jan 2009 at 14:20:00 |
Min | -8.4°C | on 06 Jan 2009 at 20:50:00 |
Mean max | 5.6°C | |
Mean min | -0.2°C | |
Highest min | 6.3°C | on 15 Jan 2009 at 19:00:00 |
Lowest max | 0.9°C | on 04 Jan 2009 at 17:10:00 |
Mean temperature | ||
Method 1 | 2.7°C | Average of all temperature data points |
Method 2 | 2.65°C | Average of day max/min values |
Lows | Highs | ||
≤-10°C | 0 | ≤5°C | 13 |
-5 to -10°C | 6 | 5 to 10°C | 17 |
0 to -5°C | 9 | 10 to 15°C | 1 |
0 to 5°C | 12 | 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 | 8 | 10 to 15°C | 0 |
0 to 5°C | 14 | 15 to 20°C | 0 |
5 to 10°C | 9 | ≥20°C | 0 |
Lowest average -5.2 on 06 Jan;
Highest average 7.5 on 12 Jan
![Temperature for January 2009](archive/2009-01/temperature.png)
Air pressure
Max | 1029.1 mb | 02 Jan at 11:40:00 |
Min | 971.1 mb | 23 Jan at 03:10:00 |
Average | 1006.6 mb |
![Pressure for January 2009](archive/2009-01/pressure.png)
Rainfall
Total | 148.6 mm |
Days of rain | 19 (≥0.5mm) |
Wettest day | 39.41 mm on 12 Jan |
![Rainfall for January 2009](archive/2009-01/rain.png)
Wind
Max | 114.3 mph | on 12 Jan at 09:40:00 |
Max gust | 114.3 mph | on 11 Jan at 12:10:00 |
Average | 33.8 mph | |
Average direction | 190° | (4 mph) |
Steadiness factor | 12% | |
Prevailing direction | 165° | (not weighted for speed) |
Prevailing wind rose | Wind speed rose |
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Humidity
![Humidity for January 2009](archive/2009-01/humidity.png)
All calculations based on 00:00-23:59 day
Generated Mon Mar 9 00:27:54 2009