Daily Report for 18th April 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.6 °C (+2.7) 06:10 3.9 °C (-0.9) 12.3 °C (+7.4), 2018 3.5 °C (-1.4), 2010
Maximum Temperature 20.3 °C (+7.5) 14:29 12.2 °C (-0.0) 24.9 °C (+12.1), 2018 11.4 °C (-1.4), 2012
Mean Temperature 13.8 °C (+5.1) 8.0 °C (-0.5) 18.3 °C, 2018 8.2 °C, 2012
Minimum Humidity 39% 15:44 57% 68%, 2012 28%, 2018
Maximum Humidity 94% 07:23 89% 97%, 2009 70%, 2013
Mean Humidity 69% 76% 81%, 2012 54%, 2017
Minimum Pressure 1023 hPa 04:27 1013 hPa 1026 hPa, 2015 977 hPa, 2012
Maximum Pressure 1027 hPa 23:33 1018 hPa 1032 hPa, 2017 992 hPa, 2012
Mean Pressure 1024 hPa 1015 hPa 1029 hPa, 2017 984 hPa, 2012
Mean Wind Speed 5.3 mph (+0.4) 4.5 mph (-0.4) 10.6 mph, 2013 2.2 mph, 2010
Maximum Wind Speed 14.5 mph 14:30 13.2 mph 20.8 mph, 2013 7.1 mph, 2010
Maximum Gust 20.7 mph 15:02 19.6 mph 30.1 mph, 2013 10.0 mph, 2010
Mean Wind Direction ENE
Rainfall 0.0 mm 9.9 mm (34%) 3.4 mm, 2012
Maximum Hourly Rain n/a 1.2, 2012
Maximum 10-min Rain n/a 0.6, 2012
Maximum Rain Rate n/a 5, 2012
Minimum Dew Point 4.9 °C 17:22 1.2 °C 5.0 °C, 2018 -2.7 °C, 2017
Maximum Dew Point 11.4 °C 11:30 6.0 °C 13.4 °C, 2018 1.3 °C, 2017
Mean Dew Point 7.6 °C 3.7 °C 10.4 °C, 2018 -0.8 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.6 °C 06:26 3.9 °C 12.3 °C, 2018 3.5 °C, 2010
Day Maximum (09-21) 20.3 °C 14:29 12.2 °C 24.9 °C, 2018 11.4 °C, 2012
Max 10m Temp Rise 0.7 °C 09:07 0.6 °C 1.2 °C, 2009 0.5 °C, 2014
Max 1hr Temp Rise 3.4 °C 09:20 2.4 °C 3.4 °C, 2011 1.6 °C, 2012
Max 1hr Hum Rise 7% 18:23 10% 24%, 2013 4%, 2016
Max 10m Temp Fall 0.4 °C 16:53 0.6 °C 2.5 °C, 2013 0.4 °C, 2015
Max 1hr Temp Fall 1.4 °C 20:50 1.7 °C 4.3 °C, 2013 1.4 °C, 2012
Max 1hr Hum Fall 14% 13:44 11% 14%, 2014 8%, 2017
Max 10m Wind Speed 11.6 mph 13:07 9.9 mph 14.9 mph, 2013 8.0 mph, 2016
Minimum Feels-like 4.6 °C 07:13 0.4 °C 13.4 °C, 2018 0.6 °C, 2015
Maximum Feels-like 21.1 °C 12:47 12.2 °C 26.6 °C, 2018 11.7 °C, 2012
Mean Feels-like 13.6 °C 6.6 °C 19.8 °C, 2018 6.3 °C, 2012
Air-frost Hrs 0 hrs 0.1 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 12.7 °C (+4.8) 8.3 °C (+0.9) 16.0 °C (+8.1), 2010 5.4 °C (-2.5), 2012
Humidity Range 55% 33% 56%, 2018 21%, 2012
Pressure Range 4 hPa 5 hPa 15 hPa, 2012 3 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 9 [71%]90 hrs (113%) [41%] 12.7 [100%], 2018 1 [8%], 2012
Wet Hours 020 hrs (71%) [4.5%] 4, 2012 0, 2009
Cloud Cover Hazy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) n/a
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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