May 2009
Temperature
| Max | 22.8°C | on 29 May 2009 at 14:50:00 |
| Min | 3.3°C | on 15 May 2009 at 23:40:00 |
| Mean max | 14.2°C | |
| Mean min | 6.5°C | |
| Highest min | 11.2°C | on 28 May 2009 at 05:50:00 |
| Lowest max | 9.8°C | on 03 May 2009 at 15:10:00 |
| Mean temperature | ||
| Method 1 | 10.3°C | Average of all temperature data points |
| Method 2 | 10.35°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 | 0 | 10 to 15°C | 22 |
| 0 to 5°C | 9 | 15 to 20°C | 4 |
| 5 to 10°C | 21 | 20 to 25°C | 3 |
| 10 to 15°C | 1 | 25 to 30°C | 0 |
| >15°C | 0 | ≥30°C | 0 |
| Day average | |||
| <0°C | 0 | 10 to 15°C | 8 |
| 0 to 5°C | 0 | 15 to 20°C | 3 |
| 5 to 10°C | 20 | ≥20°C | 0 |
Lowest average 7 on 03 May;
Highest average 16.9 on 31 May
Air pressure
| Max | 1030.9 mb | 28 May at 15:40:00 |
| Min | 995.6 mb | 16 May at 08:10:00 |
| Average | 1015.7 mb |
Rainfall
| Total | 126.8 mm |
| Days of rain | 17 (≥0.5mm) |
| Wettest day | 20.8 mm on 27 May |
Wind
| Max | 43.5 mph | on 11 May at 18:50:00 |
| Max gust | 63.5 mph | on 13 May at 05:01:00 |
| Average | 5.9 mph | |
| Average direction | 62° | (1.1 mph) |
| Steadiness factor | 18% | |
| Prevailing direction | 241° | (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 Mon Jun 1 00:09:13 2009