Monthly Report for August 2009
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| Weather Summary | ||||
| Measure | Mean / Sum (anomaly) | Min | Max | Mean Time |
| Minimum Temperature | 14.1 °C (-0.0) | 9.1 °C | 16.8 °C | 07:48 |
| Maximum Temperature | 22.5 °C (+0.0) | 17.9 °C | 28.7 °C | 15:45 |
| Mean Temperature | 17.9 °C (-0.0) | 14.1 °C | 21.4 °C | |
| Minimum Humidity | 52% | 34% | 86% | 14:35 |
| Maximum Humidity | 90% | 74% | 98% | 10:09 |
| Mean Humidity | 73% | 57% | 95% | |
| Minimum Pressure | 1014 hPa | 1003 hPa | 1021 hPa | 12:58 |
| Maximum Pressure | 1018 hPa | 1010 hPa | 1024 hPa | 11:05 |
| Mean Pressure | 1016 hPa | 1007 hPa | 1022 hPa | |
| Mean Wind Speed | 4.2 mph (+0.2) | 1.8 mph | 7.6 mph | |
| Maximum Wind Speed | 11.3 mph | 5.8 mph | 18.4 mph | n/a |
| Maximum Gust | 16.9 mph | 8.7 mph | 27.6 mph | 14:54 |
| Mean Wind Direction | SW | NE | NW | |
| Rainfall | 42.1 mm (78%) | 0.0 mm | 34.3 mm | |
| Maximum Hourly Rain | 2.2 mm | 0.3 mm | 9.9 mm | 14:49 |
| Maximum 10-min Rain | 1.2 mm | 0.3 mm | 4.7 mm | 14:34 |
| Maximum Rain Rate | 17 mm/h | 0.3 mm/h | 66 mm/h | 16:56 |
| Minimum Dew Point | 10.0 °C | 4.6 °C | 14.2 °C | 12:28 |
| Maximum Dew Point | 15.4 °C | 10.0 °C | 19.4 °C | 12:02 |
| Mean Dew Point | 12.7 °C | 7.2 °C | 16.5 °C | |
| Night Minimum (21-09) | 14.1 °C | 9.1 °C | 16.8 °C | n/a |
| Day Maximum (09-21) | 22.5 °C | 17.9 °C | 28.7 °C | n/a |
| Max 10m Temp Rise | 0.6 °C | 0.3 °C | 1.1 °C | 13:18 |
| Max 1hr Temp Rise | 2.0 °C | 0.7 °C | 3.8 °C | 12:39 |
| Max 1hr Hum Rise | 10% | 4% | 24% | 17:53 |
| Max 10m Temp Fall | 0.7 °C | 0.2 °C | 1.3 °C | 16:50 |
| Max 1hr Temp Fall | 1.8 °C | 0.6 °C | 3.3 °C | 16:52 |
| Max 1hr Hum Fall | 10% | 3% | 23% | 12:57 |
| Max 10m Wind Speed | 7.7 mph | 3.3 mph | 12.7 mph | 15:36 |
| Minimum Feels-like | 15.4 °C | 0.0 °C | 20.5 °C | 09:34 |
| Maximum Feels-like | 25.7 °C | 19.3 °C | 33.3 °C | 15:29 |
| Mean Feels-like | 20.6 °C | 14.3 °C | 26.2 °C | n/a |
| Air-frost Hrs | 0 hrs | 0 hrs | 0 hrs | n/a |
| Measure | Mean / Sum (anomaly) | Min | Max | |
| Temperature Range | 8.5 °C (+0.1) | 4.6 °C | 14.6 °C | |
| Humidity Range | 39% | 12% | 62% | |
| Pressure Range | 4 hPa | 2 hPa | 13 hPa | |
| Measure | Sum (anom.) [% of max] | Min | Max | |
| Sun Hours | 157 (85%) [38%] | 0.1 | 10.5 | |
| Wet Hours | 22 (58%) [3%] | 0 | 7.5 | |
NB: Hover over a value to view the date it was recorded.
Sun hrs, Wet hrs, Cloud cover and Events are based on manual equipment/observations (entered with a delay of 1-10 days).
Consequently, their reliablity is questionable and they are provided for interest only.
| Days Of... | |||||||
| Rainfall | Temperature | Sunshine | Other | ||||
| > 0.0 mm | 10 | Min < -5.0 °C | 0 | > 0 hrs | 31 | Falling Snow | 0 |
| > 0.1 mm | 9 | Min < 0.0 °C | 0 | > 1 hrs | 28 | Lying Snow | 0 |
| > 0.3 mm | 7 | Mean < 0.0 °C | 0 | > 3 hrs | 24 | Hail | 0 |
| > 1.0 mm | 5 | Mean > 20.0 °C | 3 | > 5 hrs | 15 | Thunder | 0 |
| > 5.0 mm | 1 | Max > 25.0 °C | 5 | > 10 hrs | 1 | Dense Fog | 0 |
| > 10.0 mm | 1 | Max > 30.0 °C | 0 | > 25% max poss. | 24 | Gusts > 30mph | 0 |
| > 20.0 mm | 1 | Min > 20.0 °C | 0 | > 95% max poss. | 0 | Total Events | 0 |
Misc.
Mean rainfall for days with >0.3mm: 6.0 mmTotal snowfall: 0 cm - 0% of the total precipitation
Total lying snow: 0 cm