Daily Report for 11th May 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.8 °C (-0.7) 23:58 6.1 °C (-0.8) 14.7 °C (+7.2), 2016 3.1 °C (-4.3), 2010
Maximum Temperature 15.0 °C (-0.9) 15:05 14.6 °C (-0.8) 21.7 °C (+5.8), 2015 9.2 °C (-6.7), 2010
Mean Temperature 10.9 °C (-0.8) 10.3 °C (-0.8) 16.8 °C, 2015 6.8 °C, 2010
Minimum Humidity 56% 18:00 53% 80%, 2016 37%, 2012
Maximum Humidity 94% 06:35 90% 94%, 2016 75%, 2010
Mean Humidity 77% 74% 88%, 2016 60%, 2009
Minimum Pressure 1011 hPa 00:00 1010 hPa 1021 hPa, 2009 993 hPa, 2017
Maximum Pressure 1031 hPa 23:56 1019 hPa 1033 hPa, 2012 1001 hPa, 2017
Mean Pressure 1020 hPa 1014 hPa 1023 hPa, 2012 995 hPa, 2017
Mean Wind Speed 2.0 mph (-2.7) 3.1 mph (-1.6) 9.9 mph, 2014 2.0 mph, 2019
Maximum Wind Speed 10.3 mph 15:12 11.9 mph 18.5 mph, 2013 8.6 mph, 2016
Maximum Gust 17.3 mph 15:58 19.4 mph 28.6 mph, 2014 11.5 mph, 2016
Mean Wind Direction NNE
Rainfall 0.4 mm 22.0 mm (122%) 17.7 mm, 2016
Maximum Hourly Rain 0.2 mm 8.1 mm, 2016
Maximum 10-min Rain 0.2 mm 4.1 mm, 2016
Maximum Rain Rate n/a 54, 2016
Minimum Dew Point 4.1 °C 23:58 2.8 °C 8.3 °C, 2016 -1.2 °C, 2010
Maximum Dew Point 8.6 °C 11:39 7.6 °C 18.8 °C, 2016 1.4 °C, 2010
Mean Dew Point 6.8 °C 5.6 °C 14.4 °C, 2016 -0.2 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 7.5 °C * 06:08 6.4 °C 14.7 °C, 2016 3.1 °C, 2010
Day Maximum (09-21) 15.0 °C 15:05 14.6 °C 21.7 °C, 2015 9.2 °C, 2010
Max 10m Temp Rise 0.9 °C 12:53 0.8 °C 1.0 °C, 2011 0.4 °C, 2010
Max 1hr Temp Rise 2.3 °C 11:39 2.5 °C 4.4 °C, 2018 1.2 °C, 2016
Max 1hr Hum Rise 9% 21:03 13% 24%, 2013 3%, 2016
Max 10m Temp Fall 0.8 °C 16:21 0.9 °C 1.3 °C, 2013 0.3 °C, 2010
Max 1hr Temp Fall 2.2 °C 21:32 2.3 °C 4.0 °C, 2013 1.2 °C, 2010
Max 1hr Hum Fall 14% 11:49 13% 20%, 2018 9%, 2015
Max 10m Wind Speed 8.2 mph 15:36 8.5 mph 13.4 mph, 2014 5.5 mph, 2010
Minimum Feels-like 6.8 °C 23:58 3.6 °C 14.9 °C, 2016 0.9 °C, 2010
Maximum Feels-like 15.2 °C 15:05 14.9 °C 24.6 °C, 2016 7.9 °C, 2010
Mean Feels-like 10.8 °C 9.9 °C 20.2 °C, 2016 4.9 °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 8.2 °C (-0.3) 8.5 °C (-0.1) 14.5 °C (+6.0), 2017 4.9 °C (-3.6), 2016
Humidity Range 38% 37% 53%, 2012 14%, 2016
Pressure Range 20 hPa 9 hPa 20 hPa, 2019 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 5 [36%]38 hrs (58%) [25%] 11.6 [83%], 2009 0.5 [4%], 2016
Wet Hours 2
[Mean rain rate: 0.2 mm/h]
24 hrs (169%) [9.1%] 8, 2016 0, 2009
Cloud Cover unknown
Events None
Comments blr
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 12.0 °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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