Daily Report for 28th April 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.2 °C (+1.4) 23:18 8.4 °C (+3.4) 9.8 °C (+4.0), 2014 0.1 °C (-5.7), 2013
Maximum Temperature 10.4 °C (-3.8) 00:02 15.6 °C (+2.9) 21.6 °C (+7.4), 2010 9.3 °C (-4.9), 2012
Mean Temperature 8.3 °C (-1.2) 11.8 °C (+3.1) 15.1 °C, 2010 7.0 °C, 2009
Minimum Humidity 88% 18:31 61% 88%, 2018 31%, 2015
Maximum Humidity 95% 03:09 89% 97%, 2009 77%, 2015
Mean Humidity 91% 77% 94%, 2012 52%, 2015
Minimum Pressure 1005 hPa 00:06 1008 hPa 1016 hPa, 2011 997 hPa, 2009
Maximum Pressure 1014 hPa 22:18 1015 hPa 1026 hPa, 2010 1005 hPa, 2009
Mean Pressure 1010 hPa 1012 hPa 1020 hPa, 2010 1001 hPa, 2009
Mean Wind Speed 3.4 mph (-1.5) 5.3 mph (+0.4) 7.4 mph, 2015 1.9 mph, 2017
Maximum Wind Speed 9.2 mph 04:35 13.8 mph 19.5 mph, 2016 7.4 mph, 2017
Maximum Gust 13.8 mph 04:53 21.3 mph 29.4 mph, 2016 10.5 mph, 2017
Mean Wind Direction N
Rainfall 2.0 mm 48.5 mm (106%) 10.6 mm, 2012
Maximum Hourly Rain 0.8 mm 03:50 2.2 mm, 2012
Maximum 10-min Rain 0.4 mm 00:35 1.3 mm, 2016
Maximum Rain Rate 4.0 mm/h 00:35 18 mm/h, 2016
Minimum Dew Point 5.6 °C 21:48 5.0 °C 5.6 °C, 2018 -3.8 °C, 2015
Maximum Dew Point 9.4 °C 00:58 9.8 °C 11.0 °C, 2014 1.2 °C, 2015
Mean Dew Point 7.0 °C 7.5 °C 7.8 °C, 2014 -1.0 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 7.7 °C * 07:20 8.5 °C 9.8 °C, 2014 0.1 °C, 2013
Day Maximum (09-21) * 8.5 °C * 17:36 15.5 °C 21.6 °C, 2010 8.5 °C, 2018
Max 10m Temp Rise 0.2 °C 11:52 0.5 °C 1.4 °C, 2009 0.2 °C, 2012
Max 1hr Temp Rise 0.3 °C 15:03 1.8 °C 5.5 °C, 2013 0.3 °C, 2018
Max 1hr Hum Rise 3% 19:51 9% 13%, 2015 3%, 2012
Max 10m Temp Fall 0.5 °C 04:05 0.5 °C 0.9 °C, 2009 0.2 °C, 2012
Max 1hr Temp Fall 1.6 °C 04:40 1.6 °C 2.0 °C, 2009 0.8 °C, 2012
Max 1hr Hum Fall 3% 17:20 9% 18%, 2013 2%, 2012
Max 10m Wind Speed 6.5 mph 04:58 10.3 mph 14.2 mph, 2016 5.1 mph, 2017
Minimum Feels-like 4.2 °C 22:38 6.2 °C 7.5 °C, 2010 -1.4 °C, 2013
Maximum Feels-like 11.4 °C 00:02 16.4 °C 22.2 °C, 2010 9.4 °C, 2012
Mean Feels-like 7.1 °C 11.7 °C 15.3 °C, 2010 5.9 °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 3.2 °C (-5.3) 7.3 °C (-0.5) 13.3 °C (+4.8), 2010 3.2 °C (-5.3), 2018
Humidity Range 7% 28% 53%, 2013 7%, 2018
Pressure Range 9 hPa 7 hPa 11 hPa, 2010 2 hPa, 2017
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]112 hrs (88%) [32%] 11 [83%], 2015 0 [0%], 2012
Wet Hours 6
[Mean rain rate: 0.3 mm/h]
75 hrs (175%) [11%] 15, 2012 0, 2010
Cloud Cover Overcast
Events None
Comments -13 Rain spells
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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