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
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 |
Rainfall
| Total | 152.8 mm |
| Days of rain | 31 (≥0.5mm) |
| Wettest day | 24.864 mm on 23 Dec |
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
All calculations based on 00:00-23:59 day
Generated Sun Jan 1 01:43:08 2012