Daily Report for 11th April 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.6 °C (+1.8) 09:39 6.8 °C (+2.1) 9.2 °C (+4.4), 2016 4.1 °C (-0.7), 2012
Maximum Temperature 11.1 °C (-1.1) 00:05 12.3 °C (+0.4) 20.0 °C (+7.8), 2011 10.5 °C (-1.7), 2013
Mean Temperature 8.7 °C (+0.4) 9.4 °C (+1.2) 12.5 °C, 2011 7.3 °C, 2013
Minimum Humidity 90% 15:17 71% 93%, 2009 34%, 2015
Maximum Humidity 97% 23:47 91% 98%, 2013 69%, 2017
Mean Humidity 94% 83% 96%, 2009 55%, 2014
Minimum Pressure 1006 hPa 04:42 1001 hPa 1027 hPa, 2010 994 hPa, 2012
Maximum Pressure 1009 hPa 12:21 1010 hPa 1031 hPa, 2010 999 hPa, 2013
Mean Pressure 1008 hPa 1006 hPa 1029 hPa, 2010 997 hPa, 2013
Mean Wind Speed 3.5 mph (-1.4) 5.2 mph (+0.3) 7.7 mph, 2015 2.0 mph, 2014
Maximum Wind Speed 10.3 mph 03:03 13.8 mph 15.4 mph, 2015 7.8 mph, 2014
Maximum Gust 13.8 mph 02:16 21.5 mph 24.2 mph, 2015 13.2 mph, 2014
Mean Wind Direction NE
Rainfall 2.2 mm 34.6 mm (193%) 4.1 mm, 2013
Maximum Hourly Rain 0.8 mm 05:03 2.0 mm, 2016
Maximum 10-min Rain 0.2 mm 05:47 0.5 mm, 2015
Maximum Rain Rate 0.7 mm/h 04:21 18 mm/h, 2015
Minimum Dew Point 5.9 °C 09:39 4.2 °C 8.3 °C, 2009 -4.4 °C, 2015
Maximum Dew Point 10.0 °C 00:05 8.4 °C 10.0 °C, 2011 3.9 °C, 2010
Mean Dew Point 7.7 °C 6.5 °C 9.0 °C, 2009 1.7 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 6.8 °C * 08:58 6.9 °C 10.5 °C, 2015 4.1 °C, 2012
Day Maximum (09-21) * 9.3 °C * 15:34 12.1 °C 20.0 °C, 2011 9.3 °C, 2018
Max 10m Temp Rise 0.3 °C 11:27 0.4 °C 0.9 °C, 2011 0.3 °C, 2009
Max 1hr Temp Rise 0.9 °C 13:52 1.5 °C 3.9 °C, 2011 0.4 °C, 2009
Max 1hr Hum Rise 3% 19:46 6% 14%, 2011 2%, 2009
Max 10m Temp Fall 0.4 °C 05:33 0.4 °C 0.9 °C, 2012 0.3 °C, 2009
Max 1hr Temp Fall 1.1 °C 06:22 1.3 °C 3.0 °C, 2012 0.6 °C, 2009
Max 1hr Hum Fall 3% 13:57 7% 27%, 2015 1%, 2009
Max 10m Wind Speed 6.5 mph 09:38 10.1 mph 12.4 mph, 2015 6.3 mph, 2014
Minimum Feels-like 3.2 °C 09:09 3.4 °C 7.4 °C, 2014 0.8 °C, 2013
Maximum Feels-like 12.4 °C 00:00 12.9 °C 20.8 °C, 2011 10.9 °C, 2013
Mean Feels-like 7.6 °C 8.5 °C 12.7 °C, 2011 5.6 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.5 °C (-2.9) 5.5 °C (-1.8) 13.9 °C (+6.5), 2011 1.7 °C (-5.7), 2009
Humidity Range 7% 19% 47%, 2015 4%, 2009
Pressure Range 3 hPa 9 hPa 16 hPa, 2015 3 hPa, 2014
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]20 hrs (41%) [15%] 11 [90%], 2017 0 [0%], 2009
Wet Hours 6
[Mean rain rate: 0.4 mm/h]
54 hrs (317%) [20%] 8, 2013 0, 2010
Cloud Cover Overcast
Events None
Comments overnight Rain; day sl spells
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
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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Webcam Summary of Cloud Conditions

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