Daily Report for 25th May 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.7 °C (+3.4) 05:37 7.4 °C (-0.5) 15.6 °C (+6.3), 2012 4.9 °C (-4.4), 2013
Maximum Temperature 23.1 °C (+5.4) 16:21 17.2 °C (+0.9) 25.9 °C (+8.2), 2017 12.2 °C (-5.5), 2016
Mean Temperature 17.8 °C (+4.4) 12.4 °C (+0.2) 20.1 °C, 2017 10.0 °C, 2013
Minimum Humidity 40% 16:49 48% 73%, 2018 27%, 2011
Maximum Humidity 89% 00:07 89% 97%, 2013 72%, 2011
Mean Humidity 67% 70% 82%, 2018 46%, 2011
Minimum Pressure 1017 hPa 19:31 1015 hPa 1022 hPa, 2017 1010 hPa, 2009
Maximum Pressure 1020 hPa 09:31 1022 hPa 1028 hPa, 2011 1015 hPa, 2010
Mean Pressure 1019 hPa 1018 hPa 1024 hPa, 2017 1012 hPa, 2010
Mean Wind Speed 3.4 mph (-1.3) 3.1 mph (-1.6) 6.8 mph, 2012 1.7 mph, 2018
Maximum Wind Speed 12.4 mph 12:16 11.6 mph 16.3 mph, 2012 8.6 mph, 2017
Maximum Gust 17.3 mph 12:16 18.1 mph 27.9 mph, 2012 12.8 mph, 2015
Mean Wind Direction NW
Rainfall 0.0 mm 27.0 mm (66%) 0.1 mm, 2009
Maximum Hourly Rain n/a n/a
Maximum 10-min Rain n/a n/a
Maximum Rain Rate n/a n/a
Minimum Dew Point 8.5 °C 16:49 3.6 °C 11.1 °C, 2018 -0.4 °C, 2011
Maximum Dew Point 12.9 °C 11:20 9.0 °C 15.7 °C, 2017 6.6 °C, 2011
Mean Dew Point 11.1 °C 6.6 °C 12.7 °C, 2018 3.0 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 12.7 °C 05:41 7.5 °C 15.6 °C, 2012 4.9 °C, 2013
Day Maximum (09-21) 23.1 °C 16:22 17.2 °C 25.9 °C, 2017 12.2 °C, 2016
Max 10m Temp Rise 0.7 °C 09:57 0.7 °C 1.1 °C, 2011 0.4 °C, 2010
Max 1hr Temp Rise 2.7 °C 10:33 2.5 °C 5.3 °C, 2011 1.3 °C, 2016
Max 1hr Hum Rise 9% 17:46 13% 11%, 2009 4%, 2015
Max 10m Temp Fall 0.5 °C 12:23 0.7 °C 0.7 °C, 2013 0.2 °C, 2016
Max 1hr Temp Fall 1.5 °C 17:58 2.1 °C 3.3 °C, 2013 0.5 °C, 2016
Max 1hr Hum Fall 11% 10:40 13% 18%, 2014 5%, 2016
Max 10m Wind Speed 7.2 mph 10:19 8.2 mph 11.9 mph, 2012 6.4 mph, 2015
Minimum Feels-like 14.1 °C 05:33 5.9 °C 18.6 °C, 2012 0.8 °C, 2013
Maximum Feels-like 25.3 °C 14:17 17.9 °C 29.1 °C, 2017 12.3 °C, 2016
Mean Feels-like 19.6 °C 12.5 °C 22.5 °C, 2017 9.0 °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 10.4 °C (+2.1) 9.9 °C (+1.4) 14.5 °C (+6.2), 2011 3.4 °C (-4.9), 2016
Humidity Range 49% 41% 57%, 2013 18%, 2018
Pressure Range 3 hPa 7 hPa 16 hPa, 2011 3 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 5 [34%]159 hrs (105%) [45%] 14.3 [98%], 2017 0 [0%], 2016
Wet Hours 026 hrs (81%) [4.3%] 0.3, 2009 0, 2010
Cloud Cover am: Partly Cloudy
pm: Mostly Sunny transitioned to Overcast
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 15.5 °C
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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