Daily Report for 24th October 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.2 °C (+4.1) 23:29 8.5 °C (-0.6) 14.2 °C (+6.1), 2017 3.0 °C (-5.1), 2010
Maximum Temperature 17.0 °C (+3.3) 16:01 15.2 °C (+0.1) 18.4 °C (+4.7), 2017 9.8 °C (-3.9), 2010
Mean Temperature 14.5 °C (+3.7) 11.7 °C (-0.2) 16.1 °C, 2017 6.1 °C, 2010
Minimum Humidity 71% 19:43 64% 84%, 2012 57%, 2011
Maximum Humidity 98% 10:06 92% 98%, 2009 79%, 2016
Mean Humidity 91% 80% 95%, 2012 72%, 2011
Minimum Pressure 1003 hPa 13:38 1012 hPa 1017 hPa, 2012 993 hPa, 2011
Maximum Pressure 1009 hPa 00:32 1019 hPa 1024 hPa, 2010 1002 hPa, 2011
Mean Pressure 1006 hPa 1016 hPa 1020 hPa, 2012 998 hPa, 2011
Mean Wind Speed 5.3 mph (+1.2) 3.5 mph (-0.6) 7.4 mph, 2017 2.6 mph, 2013
Maximum Wind Speed 15.2 mph 9.7 mph 16.8 mph, 2017 10.5 mph, 2013
Maximum Gust 23.8 mph 21:00 14.4 mph 26.5 mph, 2017 13.7 mph, 2013
Mean Wind Direction S
Rainfall 2.5 mm 23.4 mm (47%) 3.7 mm, 2015
Maximum Hourly Rain 0.8 mm 09:22 2.7 mm, 2015
Maximum 10-min Rain n/a 08:09 1.1, 2015
Maximum Rain Rate n/a 08:09 18, 2015
Minimum Dew Point 8.8 °C 23:27 5.7 °C 12.9 °C, 2017 1.6 °C, 2010
Maximum Dew Point 16.2 °C 14:34 11.0 °C 16.2 °C, 2009 5.0 °C, 2010
Mean Dew Point 13.0 °C 8.3 °C 14.2 °C, 2017 3.2 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 13.0 °C * 9.0 °C 14.2 °C, 2017 3.0 °C, 2010
Day Maximum (09-21) 17.0 °C 15.1 °C 18.4 °C, 2017 9.8 °C, 2010
Max 10m Temp Rise 0.5 °C 12:06 0.1 °C 0.9 °C, 2013 0.2 °C, 2012
Max 1hr Temp Rise 1.2 °C 09:06 0.3 °C 3.4 °C, 2013 0.7 °C, 2012
Max 1hr Hum Rise 8% 23:04 1% 11%, 2010 3%, 2014
Max 10m Temp Fall 0.9 °C 19:07 0.1 °C 0.9 °C, 2009 0.2 °C, 2012
Max 1hr Temp Fall 2.3 °C 19:07 0.3 °C 2.7 °C, 2015 0.8 °C, 2012
Max 1hr Hum Fall 19% 18:09 2% 19%, 2009 4%, 2015
Max 10m Wind Speed 11.4 mph 21:13 4.3 mph 12.0 mph, 2017 7.8 mph, 2012
Minimum Feels-like 12.9 °C 23:27 5.5 °C 16.9 °C, 2017 1.2 °C, 2010
Maximum Feels-like 21.5 °C 14:24 10.4 °C 22.6 °C, 2017 9.8 °C, 2010
Mean Feels-like 17.4 °C 8.2 °C 19.7 °C, 2017 5.0 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.8 °C (-0.8) 6.7 °C (+0.7) 11.2 °C (+5.6), 2013 3.1 °C (-2.5), 2012
Humidity Range 27% 28% 31%, 2013 11%, 2016
Pressure Range 6 hPa 7 hPa 17 hPa, 2010 1 hPa, 2017
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.5 [5%]58 hrs (69%) [25%] 7 [77%], 2010 " 6" [0%], 2013
Wet Hours 3
[Mean rain rate: 0.8 mm/h]
26 hrs (68%) [4.5%] 3, 2009 0, 2012
Cloud Cover not available
Events None
Comments 00-01 Light, 08-10 Moderate Rain; 14-15 Light Drizzle
Extra Comments
Issues 22nd - 31st: Rainfall data is approximate and 10-min totals & rain rates are unavailable due to 5-min logging, but monthly sum is correct.
Observer Absent? Yes - observations may be unreliable
Notes
Times of extremes are computed using the midpoint time of the extremum (if the value persisted for >1 minute).
Cumulative anomalies are reported according to the expected value for the month-to-date rather than month-end.
Sun hrs, Wet hrs, Cloud cover and Events are based on manual equipment/observations; their reliablity is questionable and they are provided for interest only.
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Daily Graph of Conditions

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