Daily Report for 27th April 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.3 °C (+2.5) 05:47 6.2 °C (+1.2) 9.3 °C (+3.5), 2012 1.5 °C (-4.3), 2017
Maximum Temperature 18.2 °C (+4.0) 16:03 18.0 °C (+5.3) 20.8 °C (+6.6), 2010 9.9 °C (-4.3), 2009
Mean Temperature 13.3 °C (+3.3) 12.1 °C (+3.2) 14.1 °C, 2010 6.4 °C, 2016
Minimum Humidity 57% 13:57 44% 78%, 2018 32%, 2016
Maximum Humidity 79% 05:51 85% 93%, 2018 77%, 2017
Mean Humidity 68% 65% 86%, 2018 53%, 2015
Minimum Pressure 1007 hPa 17:55 1018 hPa 1025 hPa, 2010 994 hPa, 2009
Maximum Pressure 1011 hPa 00:03 1023 hPa 1028 hPa, 2010 1004 hPa, 2009
Mean Pressure 1008 hPa 1020 hPa 1026 hPa, 2010 999 hPa, 2009
Mean Wind Speed 3.7 mph (-1.2) 4.6 mph (-0.3) 11.5 mph, 2019 3.4 mph, 2010
Maximum Wind Speed 11.4 mph 23:08 12.8 mph 22.3 mph, 2019 9.2 mph, 2010
Maximum Gust 17.3 mph 20:54 19.2 mph 34.6 mph, 2019 13.4 mph, 2010
Mean Wind Direction NNW
Rainfall 0.0 mm 2.5 mm (6%) 7.7 mm, 2018
Maximum Hourly Rain n/a 2.4, 2018
Maximum 10-min Rain n/a 1.2, 2012
Maximum Rain Rate n/a 20, 2012
Minimum Dew Point 4.6 °C 05:32 2.7 °C 5.3 °C, 2012 -4.2 °C, 2016
Maximum Dew Point 10.6 °C 15:53 8.0 °C 10.6 °C, 2020 1.7 °C, 2016
Mean Dew Point 7.5 °C 5.3 °C 7.5 °C, 2020 -1.6 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 8.3 °C 05:48 6.5 °C 9.5 °C, 2012 1.5 °C, 2017
Day Maximum (09-21) 18.2 °C 16:03 18.0 °C 20.8 °C, 2010 9.9 °C, 2009
Max 10m Temp Rise 0.6 °C 12:04 0.7 °C 0.8 °C, 2011 0.4 °C, 2019
Max 1hr Temp Rise 1.8 °C 12:13 2.9 °C 2.7 °C, 2017 1.2 °C, 2009
Max 1hr Hum Rise 6% 05:45 10% 15%, 2019 6%, 2010
Max 10m Temp Fall 0.9 °C 20:57 0.6 °C 0.9 °C, 2020 0.3 °C, 2010
Max 1hr Temp Fall 2.7 °C 21:35 2.1 °C 2.7 °C, 2020 0.8 °C, 2018
Max 1hr Hum Fall 7% 12:50 12% 30%, 2015 4%, 2009
Max 10m Wind Speed 9.3 mph 20:55 9.6 mph 18.0 mph, 2019 8.2 mph, 2011
Minimum Feels-like 5.8 °C 05:57 4.2 °C 6.7 °C, 2012 -2.6 °C, 2016
Maximum Feels-like 19.8 °C 15:59 18.4 °C 21.5 °C, 2010 10.7 °C, 2013
Mean Feels-like 13.7 °C 11.8 °C 14.4 °C, 2010 4.5 °C, 2016
Air-frost Hrs 0 hrs 0.1 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.9 °C (+1.4) 11.8 °C (+4.0) 13.8 °C (+5.3), 2010 3.9 °C (-4.6), 2018
Humidity Range 22% 41% 51%, 2016 15%, 2018
Pressure Range 4 hPa 5 hPa 12 hPa, 2012 1 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [15%]232 hrs (189%) [69%] 11 [83%], 2011 0 [0%], 2018
Wet Hours 03.5 hrs (8%) [0.5%] 8, 2018 0, 2010
Cloud Cover Mostly Cloudy or Hazy
Events None
Comments -
Extra Comments
Issues no pond temp due to covid
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 5.0 °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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