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) 18.5 °C (+3.4), 2015 8.9 °C (-6.2), 2012
Mean Temperature 10.8 °C (+0.5) 10.6 °C (+0.0) 14.4 °C, 2015 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 3.0 mph, 2016
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 5.1 °C, 2012 -3.9 °C, 2016
Maximum Dew Point 8.2 °C 10:34 8.4 °C 11.1 °C, 2015 3.4 °C, 2010
Mean Dew Point 6.5 °C 6.1 °C 7.6 °C, 2015 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 18.5 °C, 2015 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 0.5 °C, 2013 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 18.5 °C, 2015 8.9 °C, 2012
Mean Feels-like 10.0 °C 9.8 °C 14.9 °C, 2015 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 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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Webcam Summary of Cloud Conditions

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