April 2009
Temperature
| Max | 17.4°C | on 23 Apr 2009 at 15:40:00 |
| Min | -0.5°C | on 12 Apr 2009 at 06:30:00 |
| Mean max | 12.8°C | |
| Mean min | 4°C | |
| Highest min | 9.4°C | on 24 Apr 2009 at 00:30:00 |
| Lowest max | 9.1°C | on 04 Apr 2009 at 16:40:00 |
| Mean temperature | ||
| Method 1 | 8.3°C | Average of all temperature data points |
| Method 2 | 8.35°C | Average of day max/min values |
| Lows | Highs | ||
| ≤-10°C | 0 | ≤5°C | 0 |
| -5 to -10°C | 0 | 5 to 10°C | 2 |
| 0 to -5°C | 2 | 10 to 15°C | 23 |
| 0 to 5°C | 19 | 15 to 20°C | 5 |
| 5 to 10°C | 9 | 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 | 0 | 10 to 15°C | 4 |
| 0 to 5°C | 0 | 15 to 20°C | 0 |
| 5 to 10°C | 26 | ≥20°C | 0 |
Lowest average 5.3 on 28 Apr;
Highest average 12.5 on 24 Apr
Air pressure
| Max | 1027.6 mb | 21 Apr at 22:10:00 |
| Min | 992.1 mb | 27 Apr at 09:50:00 |
| Average | 1010.8 mb |
Rainfall
| Total | 70.2 mm |
| Days of rain | 16 (≥0.5mm) |
| Wettest day | 19.74 mm on 27 Apr |
Wind
| Max | 38 mph | on 18 Apr at 11:40:00 |
| Max gust | 57 mph | on 18 Apr at 11:40:00 |
| Average | 7.9 mph | |
| Average direction | 101° | (3.1 mph) |
| Steadiness factor | 40% | |
| Prevailing direction | 155° | (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 Sat May 2 20:12:06 2009