Daily Report for 18th April 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.3 °C (+7.4) 05:49 7.5 °C (+2.8) 12.3 °C (+7.4), 2018 3.5 °C (-1.4), 2010
Maximum Temperature 24.9 °C (+12.1) 15:42 13.9 °C (+1.7) 24.9 °C (+12.1), 2018 11.4 °C (-1.4), 2012
Mean Temperature 18.3 °C (+9.7) 10.5 °C (+2.2) 18.3 °C, 2018 8.2 °C, 2012
Minimum Humidity 28% 16:33 66% 68%, 2012 28%, 2018
Maximum Humidity 84% 06:24 90% 97%, 2009 70%, 2013
Mean Humidity 63% 81% 81%, 2012 54%, 2017
Minimum Pressure 1025 hPa 00:07 1005 hPa 1026 hPa, 2015 977 hPa, 2012
Maximum Pressure 1030 hPa 10:30 1013 hPa 1032 hPa, 2017 992 hPa, 2012
Mean Pressure 1027 hPa 1009 hPa 1029 hPa, 2017 984 hPa, 2012
Mean Wind Speed 5.2 mph (+0.3) 5.2 mph (+0.3) 10.6 mph, 2013 2.2 mph, 2010
Maximum Wind Speed 16.2 mph 14:45 13.8 mph 20.8 mph, 2013 7.1 mph, 2010
Maximum Gust 24.2 mph 14:46 21.6 mph 30.1 mph, 2013 10.0 mph, 2010
Mean Wind Direction S
Rainfall 0.0 mm 34.9 mm (119%) 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 5.0 °C 16:33 4.7 °C 5.0 °C, 2018 -2.7 °C, 2017
Maximum Dew Point 13.4 °C 11:59 9.0 °C 13.4 °C, 2018 1.3 °C, 2017
Mean Dew Point 10.4 °C 7.0 °C 10.4 °C, 2018 -0.8 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 12.3 °C 05:49 7.7 °C 12.3 °C, 2018 3.5 °C, 2010
Day Maximum (09-21) 24.9 °C 15:42 13.7 °C 24.9 °C, 2018 11.4 °C, 2012
Max 10m Temp Rise 0.5 °C 08:32 0.5 °C 1.2 °C, 2009 0.5 °C, 2014
Max 1hr Temp Rise 2.1 °C 09:10 1.6 °C 3.4 °C, 2011 1.6 °C, 2012
Max 1hr Hum Rise 16% 20:27 7% 24%, 2013 4%, 2016
Max 10m Temp Fall 0.7 °C 20:04 0.4 °C 2.5 °C, 2013 0.4 °C, 2015
Max 1hr Temp Fall 3.4 °C 20:32 1.4 °C 4.3 °C, 2013 1.4 °C, 2012
Max 1hr Hum Fall 13% 14:08 8% 14%, 2014 8%, 2017
Max 10m Wind Speed 10.8 mph 16:55 10.2 mph 14.9 mph, 2013 8.0 mph, 2016
Minimum Feels-like 13.4 °C 05:16 4.9 °C 13.4 °C, 2018 0.6 °C, 2015
Maximum Feels-like 26.6 °C 14:41 14.5 °C 26.6 °C, 2018 11.7 °C, 2012
Mean Feels-like 19.8 °C 10.0 °C 19.8 °C, 2018 6.3 °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 12.6 °C (+4.7) 6.3 °C (-1.1) 16.0 °C (+8.1), 2010 5.4 °C (-2.5), 2012
Humidity Range 56% 23% 56%, 2018 21%, 2012
Pressure Range 5 hPa 8 hPa 15 hPa, 2012 3 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 12.7 [100%]50 hrs (62%) [23%] 12.7 [100%], 2018 1 [8%], 2012
Wet Hours 055 hrs (197%) [13%] 4, 2012 0, 2009
Cloud Cover Sunny
Events Maximum possible sunshine
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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