Daily Report for 21st May 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 9.9 °C (+1.1) 05:36 6.6 °C (-0.9) 13.5 °C (+4.7), 2016 5.5 °C (-3.3), 2015
Maximum Temperature 21.3 °C (+4.1) 16:33 16.2 °C (+0.1) 24.3 °C (+7.1), 2010 15.9 °C (-1.3), 2013
Mean Temperature 15.6 °C (+2.6) 11.5 °C (-0.4) 18.2 °C, 2010 12.1 °C, 2012
Minimum Humidity 41% 16:54 50% 71%, 2012 30%, 2015
Maximum Humidity 83% 00:19 90% 93%, 2012 81%, 2015
Mean Humidity 61% 72% 83%, 2012 55%, 2011
Minimum Pressure 1016 hPa 00:12 1014 hPa 1029 hPa, 2010 1001 hPa, 2014
Maximum Pressure 1020 hPa 23:52 1022 hPa 1032 hPa, 2010 1010 hPa, 2012
Mean Pressure 1018 hPa 1018 hPa 1030 hPa, 2010 1008 hPa, 2014
Mean Wind Speed 3.0 mph (-1.7) 3.1 mph (-1.6) 5.4 mph, 2011 2.2 mph, 2018
Maximum Wind Speed 11.3 mph 13:53 11.5 mph 14.5 mph, 2011 8.4 mph, 2010
Maximum Gust 17.3 mph 13:54 18.1 mph 25.8 mph, 2016 12.0 mph, 2010
Mean Wind Direction NNW
Rainfall 0.0 mm 24.6 mm (71%) 0.4 mm, 2014
Maximum Hourly Rain n/a 0.4, 2014
Maximum 10-min Rain n/a 0.4, 2014
Maximum Rain Rate n/a 1.5, 2014
Minimum Dew Point 4.5 °C 23:59 3.2 °C 9.5 °C, 2010 1.2 °C, 2015
Maximum Dew Point 9.4 °C 16:15 8.5 °C 15.1 °C, 2010 7.6 °C, 2015
Mean Dew Point 7.8 °C 6.2 °C 12.2 °C, 2010 3.8 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 9.9 °C 05:37 6.8 °C 13.5 °C, 2016 5.5 °C, 2015
Day Maximum (09-21) 21.3 °C 16:40 16.2 °C 24.3 °C, 2010 14.1 °C, 2013
Max 10m Temp Rise 0.6 °C 07:38 0.7 °C 1.7 °C, 2010 0.4 °C, 2012
Max 1hr Temp Rise 2.4 °C 08:26 2.6 °C 5.7 °C, 2011 1.0 °C, 2016
Max 1hr Hum Rise 9% 21:35 13% 14%, 2018 4%, 2012
Max 10m Temp Fall 0.6 °C 18:18 0.7 °C 1.0 °C, 2010 0.2 °C, 2012
Max 1hr Temp Fall 2.2 °C 21:34 2.2 °C 2.2 °C, 2019 0.7 °C, 2012
Max 1hr Hum Fall 12% 09:59 14% 25%, 2010 5%, 2012
Max 10m Wind Speed 7.4 mph 13:40 8.2 mph 9.4 mph, 2011 6.6 mph, 2018
Minimum Feels-like 9.5 °C 05:38 4.8 °C 14.8 °C, 2010 3.0 °C, 2015
Maximum Feels-like 22.1 °C 16:28 16.7 °C 26.9 °C, 2010 17.9 °C, 2012
Mean Feels-like 16.0 °C 11.4 °C 20.5 °C, 2010 12.5 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 11.4 °C (+3.0) 9.5 °C (+1.1) 14.6 °C (+6.2), 2015 4.2 °C (-4.2), 2016
Humidity Range 42% 40% 53%, 2009 17%, 2013
Pressure Range 5 hPa 8 hPa 10 hPa, 2014 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 12.5 [87%]127 hrs (101%) [43%] 13.5 [94%], 2011 0.4 [3%], 2016
Wet Hours 025 hrs (92%) [5%] 0.5, 2014 0, 2009
Cloud Cover am: Sunny
pm: Mostly Sunny
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 14.5 °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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