Daily Report for 4th May 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 9.2 °C (+2.7) 05:08 7.9 °C (+1.5) 11.8 °C (+5.3), 2015 2.8 °C (-3.7), 2010
Maximum Temperature 13.3 °C (-1.8) 12:38 13.6 °C (-1.4) 20.2 °C (+5.1), 2018 8.9 °C (-6.2), 2012
Mean Temperature 10.8 °C (+0.5) 10.6 °C (+0.0) 15.3 °C, 2018 7.1 °C, 2010
Minimum Humidity 62% 13:06 61% 80%, 2012 33%, 2016
Maximum Humidity 87% 07:23 85% 96%, 2012 73%, 2013
Mean Humidity 75% 75% 89%, 2012 50%, 2016
Minimum Pressure 1022 hPa 10:02 1014 hPa 1025 hPa, 2010 992 hPa, 2015
Maximum Pressure 1025 hPa 22:35 1022 hPa 1028 hPa, 2009 1005 hPa, 2015
Mean Pressure 1023 hPa 1017 hPa 1026 hPa, 2010 1002 hPa, 2015
Mean Wind Speed 6.3 mph (+1.6) 5.0 mph (+0.2) 7.1 mph, 2013 2.5 mph, 2018
Maximum Wind Speed 11.7 mph 10:24 11.4 mph 16.8 mph, 2013 8.7 mph, 2012
Maximum Gust 19.9 mph 12:57 18.6 mph 24.4 mph, 2015 10.9 mph, 2014
Mean Wind Direction NE
Rainfall 0.0 mm 7.4 mm (112%) 4.5 mm, 2015
Maximum Hourly Rain n/a 2.6, 2015
Maximum 10-min Rain n/a 0.8, 2015
Maximum Rain Rate n/a 5.4, 2015
Minimum Dew Point 4.6 °C 22:33 4.2 °C 5.5 °C, 2018 -3.9 °C, 2016
Maximum Dew Point 8.2 °C 10:34 8.4 °C 11.2 °C, 2018 3.4 °C, 2010
Mean Dew Point 6.5 °C 6.1 °C 7.9 °C, 2018 1.0 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 9.2 °C 05:08 8.1 °C 11.8 °C, 2015 2.8 °C, 2010
Day Maximum (09-21) 13.3 °C 12:38 13.6 °C 20.2 °C, 2018 8.9 °C, 2012
Max 10m Temp Rise 0.4 °C 12:22 0.6 °C 1.0 °C, 2016 0.4 °C, 2010
Max 1hr Temp Rise 1.0 °C 12:30 1.6 °C 4.9 °C, 2016 1.0 °C, 2017
Max 1hr Hum Rise 6% 20:26 8% 14%, 2015 3%, 2012
Max 10m Temp Fall 0.3 °C 13:28 0.3 °C 0.7 °C, 2018 0.2 °C, 2012
Max 1hr Temp Fall 1.0 °C 19:06 1.0 °C 1.8 °C, 2016 0.5 °C, 2012
Max 1hr Hum Fall 13% 12:03 11% 26%, 2013 8%, 2010
Max 10m Wind Speed 9.9 mph 11:27 8.8 mph 13.9 mph, 2013 6.1 mph, 2012
Minimum Feels-like 5.9 °C 05:34 5.1 °C 12.0 °C, 2015 0.2 °C, 2010
Maximum Feels-like 13.3 °C 12:30 13.7 °C 21.6 °C, 2018 8.9 °C, 2012
Mean Feels-like 10.0 °C 9.8 °C 15.8 °C, 2018 5.7 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.1 °C (-4.5) 5.7 °C (-2.9) 14.4 °C (+5.8), 2016 2.2 °C (-6.4), 2012
Humidity Range 25% 24% 51%, 2015 16%, 2012
Pressure Range 3 hPa 8 hPa 13 hPa, 2015 1 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]7.6 hrs (33%) [14%] 13.5 [100%], 2011 0 [0%], 2012
Wet Hours 05 hrs (97%) [5.2%] 4, 2015 0, 2010
Cloud Cover Overcast
Events None
Comments -
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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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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