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
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 |
Rainfall
| Total | 124.8 mm |
| Days of rain | 22 (≥0.5mm) |
| Wettest day | 17.16 mm on 03 Dec |
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 |
|---|---|
 |
 |
Humidity
All calculations based on 00:00-23:59 day
Generated Tue Jan 12 12:02:44 2010