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 1026 hPa, 2018 993 hPa, 2011
Maximum Pressure 1009 hPa 00:32 1019 hPa 1031 hPa, 2018 1002 hPa, 2011
Mean Pressure 1006 hPa 1016 hPa 1029 hPa, 2018 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 10.0 mph, 2018
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 6.5 mph, 2018
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 of the longest continuous period at that extreme value.
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 (entered with a delay of 1-10 days); their reliablity is questionable and they are provided for interest only.
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Daily Graph of Conditions

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