Daily Report for 25th April 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.6 °C (+3.2) 06:26 8.5 °C (+3.6) 11.3 °C (+5.9), 2015 1.4 °C (-4.0), 2017
Maximum Temperature 15.5 °C (+1.8) 15:23 16.0 °C (+3.5) 22.4 °C (+8.7), 2013 11.1 °C (-2.6), 2017
Mean Temperature 11.8 °C (+2.5) 12.1 °C (+3.5) 16.4 °C, 2013 6.0 °C, 2017
Minimum Humidity 48% 15:24 60% 82%, 2014 33%, 2011
Maximum Humidity 89% 00:04 89% 97%, 2014 67%, 2017
Mean Humidity 68% 77% 93%, 2014 48%, 2017
Minimum Pressure 1008 hPa 00:06 1008 hPa 1022 hPa, 2011 982 hPa, 2012
Maximum Pressure 1015 hPa 23:47 1015 hPa 1025 hPa, 2011 998 hPa, 2012
Mean Pressure 1012 hPa 1011 hPa 1024 hPa, 2011 990 hPa, 2012
Mean Wind Speed 8.4 mph (+3.5) 5.3 mph (+0.4) 8.4 mph, 2018 3.8 mph, 2014
Maximum Wind Speed 18.1 mph 14:59 14.0 mph 25.6 mph, 2012 10.2 mph, 2014
Maximum Gust 28.8 mph 19:34 21.6 mph 45.3 mph, 2012 15.2 mph, 2014
Mean Wind Direction W
Rainfall 0.4 mm 39.1 mm (96%) 14.2 mm, 2012
Maximum Hourly Rain 0.4 mm 18:58 4.3 mm, 2012
Maximum 10-min Rain 0.2 mm 2.0 mm, 2012
Maximum Rain Rate n/a 40, 2012
Minimum Dew Point 2.5 °C 20:33 5.2 °C 6.9 °C, 2014 -6.7 °C, 2017
Maximum Dew Point 10.4 °C 00:06 9.9 °C 12.5 °C, 2014 -1.2 °C, 2017
Mean Dew Point 5.9 °C 7.7 °C 9.5 °C, 2013 -4.4 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.6 °C 06:26 8.6 °C 11.3 °C, 2015 1.4 °C, 2017
Day Maximum (09-21) 15.5 °C 15:24 15.9 °C 22.4 °C, 2013 11.1 °C, 2017
Max 10m Temp Rise 0.6 °C 11:02 0.5 °C 0.8 °C, 2009 0.2 °C, 2014
Max 1hr Temp Rise 2.5 °C 11:22 1.9 °C 2.7 °C, 2009 0.8 °C, 2014
Max 1hr Hum Rise 11% 18:15 8% 17%, 2017 4%, 2014
Max 10m Temp Fall 1.1 °C 12:41 0.5 °C 1.1 °C, 2016 0.4 °C, 2015
Max 1hr Temp Fall 1.5 °C 20:15 1.6 °C 3.8 °C, 2013 1.5 °C, 2009
Max 1hr Hum Fall 18% 19:15 9% 18%, 2018 2%, 2014
Max 10m Wind Speed 13.9 mph 20:33 10.4 mph 13.9 mph, 2018 7.8 mph, 2014
Minimum Feels-like 5.3 °C 23:44 6.4 °C 12.5 °C, 2015 -2.9 °C, 2017
Maximum Feels-like 15.5 °C 15:22 16.9 °C 23.5 °C, 2013 11.1 °C, 2017
Mean Feels-like 11.3 °C 12.0 °C 17.5 °C, 2013 3.6 °C, 2017
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.9 °C (-1.4) 7.5 °C (-0.2) 11.6 °C (+3.3), 2013 4.5 °C (-3.8), 2014
Humidity Range 41% 28% 55%, 2013 15%, 2014
Pressure Range 7 hPa 7 hPa 16 hPa, 2012 3 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 7 [54%]103 hrs (91%) [33%] 13 [100%], 2011 0 [0%], 2014
Wet Hours 2
[Mean rain rate: 0.2 mm/h]
61 hrs (158%) [10%] 9, 2012 0, 2011
Cloud Cover Partly Cloudy
Events None
Comments pm Showers
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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