Daily Report for 15th April 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.7 °C (+3.8) 23:54 6.8 °C (+2.1) 10.8 °C (+6.0), 2013 2.6 °C (-2.2), 2012
Maximum Temperature 15.1 °C (+2.6) 14:59 16.7 °C (+4.7) 24.2 °C (+11.7), 2015 9.5 °C (-3.0), 2012
Mean Temperature 11.5 °C (+3.2) 11.7 °C (+3.4) 17.3 °C, 2015 5.8 °C, 2012
Minimum Humidity 39% 17:52 47% 67%, 2016 27%, 2015
Maximum Humidity 78% 04:16 78% 96%, 2009 70%, 2015
Mean Humidity 56% 61% 86%, 2016 48%, 2015
Minimum Pressure 1013 hPa 01:16 1018 hPa 1028 hPa, 2014 996 hPa, 2016
Maximum Pressure 1019 hPa 23:27 1024 hPa 1031 hPa, 2014 1005 hPa, 2016
Mean Pressure 1016 hPa 1021 hPa 1030 hPa, 2014 1000 hPa, 2016
Mean Wind Speed 6.3 mph (+1.4) 3.9 mph (-1.0) 8.2 mph, 2013 1.0 mph, 2016
Maximum Wind Speed 14.6 mph 11:08 11.6 mph 19.4 mph, 2012 8.1 mph, 2011
Maximum Gust 22.0 mph 16:50 16.4 mph 27.0 mph, 2012 10.7 mph, 2011
Mean Wind Direction NW
Rainfall 0.0 mm 0.0 mm (0%) 21.1 mm, 2016
Maximum Hourly Rain n/a 6.9, 2016
Maximum 10-min Rain n/a 2.1, 2016
Maximum Rain Rate n/a 42, 2016
Minimum Dew Point -1.5 °C 22:29 1.2 °C 7.4 °C, 2009 -4.6 °C, 2012
Maximum Dew Point 7.2 °C 03:27 7.1 °C 14.5 °C, 2009 2.4 °C, 2012
Mean Dew Point 2.5 °C 4.2 °C 10.0 °C, 2009 -0.9 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 9.7 °C * 08:39 6.9 °C 11.0 °C, 2013 2.6 °C, 2012
Day Maximum (09-21) 15.1 °C 14:59 16.7 °C 24.2 °C, 2015 9.5 °C, 2012
Max 10m Temp Rise 0.5 °C 14:39 0.6 °C 1.0 °C, 2009 0.4 °C, 2011
Max 1hr Temp Rise 1.5 °C 14:58 2.4 °C 3.1 °C, 2015 1.5 °C, 2017
Max 1hr Hum Rise 3% 03:02 7% 26%, 2012 3%, 2017
Max 10m Temp Fall 0.6 °C 15:12 0.5 °C 1.7 °C, 2012 0.3 °C, 2013
Max 1hr Temp Fall 1.1 °C 21:45 1.6 °C 3.6 °C, 2015 1.1 °C, 2013
Max 1hr Hum Fall 11% 10:00 9% 21%, 2012 6%, 2016
Max 10m Wind Speed 11.1 mph 12:09 8.7 mph 12.3 mph, 2013 5.4 mph, 2011
Minimum Feels-like 6.5 °C 08:19 5.0 °C 10.8 °C, 2013 -1.7 °C, 2012
Maximum Feels-like 15.1 °C 14:58 16.8 °C 24.2 °C, 2015 7.8 °C, 2012
Mean Feels-like 11.3 °C 11.5 °C 17.3 °C, 2015 3.1 °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 6.4 °C (-1.3) 9.9 °C (+2.6) 14.1 °C (+6.4), 2015 3.9 °C (-3.8), 2016
Humidity Range 39% 30% 44%, 2012 24%, 2016
Pressure Range 6 hPa 6 hPa 13 hPa, 2012 3 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3.5 [28%]108 hrs (163%) [59%] 12.2 [98%], 2014 0.1 [1%], 2011
Wet Hours 00 hrs (0%) [0%] 16, 2016 0, 2010
Cloud Cover am: Overcast or Mostly Cloudy
pm: 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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