Daily Report for 20th April 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.2 °C (+2.2) 06:04 6.5 °C (+1.7) 9.1 °C (+4.1), 2011 1.4 °C (-3.6), 2013
Maximum Temperature 16.2 °C (+3.2) 17:06 16.0 °C (+3.7) 24.4 °C (+11.4), 2011 13.0 °C (-0.0), 2012
Mean Temperature 11.5 °C (+2.7) 11.3 °C (+2.7) 16.8 °C, 2011 7.8 °C, 2013
Minimum Humidity 51% 13:56 46% 75%, 2014 33%, 2011
Maximum Humidity 72% 23:50 77% 95%, 2014 72%, 2017
Mean Humidity 56% 60% 90%, 2014 54%, 2011
Minimum Pressure 1032 hPa 19:34 1020 hPa 1032 hPa, 2017 990 hPa, 2012
Maximum Pressure 1037 hPa 05:43 1026 hPa 1037 hPa, 2017 995 hPa, 2012
Mean Pressure 1035 hPa 1023 hPa 1035 hPa, 2017 992 hPa, 2012
Mean Wind Speed 3.8 mph (-1.1) 3.8 mph (-1.1) 4.6 mph, 2012 2.3 mph, 2011
Maximum Wind Speed 11.0 mph 08:14 11.3 mph 15.6 mph, 2012 10.5 mph, 2016
Maximum Gust 14.7 mph 08:14 16.1 mph 25.6 mph, 2012 13.4 mph, 2011
Mean Wind Direction WSW
Rainfall 0.0 mm 0.4 mm (1%) 8.0 mm, 2012
Maximum Hourly Rain n/a 4.9, 2012
Maximum 10-min Rain n/a 2.6, 2012
Maximum Rain Rate n/a 30, 2012
Minimum Dew Point -2.0 °C 06:02 0.4 °C 4.3 °C, 2011 -3.0 °C, 2010
Maximum Dew Point 7.7 °C 17:06 6.6 °C 11.5 °C, 2014 4.2 °C, 2013
Mean Dew Point 2.9 °C 3.5 °C 8.1 °C, 2014 -0.1 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.2 °C 06:04 6.6 °C 9.1 °C, 2011 1.4 °C, 2013
Day Maximum (09-21) 16.2 °C 17:06 16.0 °C 24.4 °C, 2011 13.0 °C, 2012
Max 10m Temp Rise 0.6 °C 08:47 0.6 °C 1.0 °C, 2013 0.4 °C, 2014
Max 1hr Temp Rise 2.1 °C 09:38 2.3 °C 4.2 °C, 2013 1.6 °C, 2014
Max 1hr Hum Rise 4% 16:21 6% 19%, 2012 4%, 2010
Max 10m Temp Fall 0.4 °C 19:30 0.5 °C 1.7 °C, 2012 0.4 °C, 2014
Max 1hr Temp Fall 1.3 °C 19:30 1.6 °C 3.6 °C, 2012 1.3 °C, 2017
Max 1hr Hum Fall 1% 01:01 8% 19%, 2013 1%, 2017
Max 10m Wind Speed 7.6 mph 01:20 8.4 mph 11.2 mph, 2014 7.5 mph, 2013
Minimum Feels-like 4.3 °C 02:34 4.5 °C 8.1 °C, 2011 0.1 °C, 2013
Maximum Feels-like 16.5 °C 16:59 16.1 °C 25.2 °C, 2011 13.0 °C, 2012
Mean Feels-like 10.7 °C 10.9 °C 17.0 °C, 2011 7.2 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.0 °C (+1.0) 9.5 °C (+2.0) 15.3 °C (+7.3), 2011 6.7 °C (-1.3), 2014
Humidity Range 21% 30% 56%, 2013 20%, 2014
Pressure Range 5 hPa 6 hPa 11 hPa, 2014 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.5 [35%]139 hrs (156%) [57%] 12.8 [100%], 2016 0 [0%], 2014
Wet Hours 01 hrs (3%) [0.2%] 5, 2014 0, 2009
Cloud Cover Mostly Cloudy with periods of Partly Cloudy
Events None
Comments -
Extra Comments
Issues None known
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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Webcam Summary of Cloud Conditions

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