Daily Report for 9th May 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.9 °C (-0.3) 04:11 6.2 °C (-0.6) 14.2 °C (+7.0), 2016 6.3 °C (-0.9), 2010
Maximum Temperature 15.3 °C (-0.4) 11:21 14.3 °C (-1.1) 24.8 °C (+9.1), 2016 11.5 °C (-4.2), 2010
Mean Temperature 10.8 °C (-0.3) 10.1 °C (-0.8) 18.5 °C, 2016 8.4 °C, 2010
Minimum Humidity 70% 12:21 54% 72%, 2012 33%, 2016
Maximum Humidity 96% 06:56 89% 96%, 2019 74%, 2017
Mean Humidity 84% 74% 90%, 2012 56%, 2016
Minimum Pressure 993 hPa 00:43 1010 hPa 1019 hPa, 2011 993 hPa, 2019
Maximum Pressure 1006 hPa 23:55 1018 hPa 1029 hPa, 2017 1006 hPa, 2019
Mean Pressure 998 hPa 1014 hPa 1022 hPa, 2017 998 hPa, 2019
Mean Wind Speed 2.4 mph (-2.3) 3.4 mph (-1.3) 10.0 mph, 2013 2.4 mph, 2019
Maximum Wind Speed 8.8 mph 13:42 12.4 mph 24.6 mph, 2013 8.3 mph, 2017
Maximum Gust 13.8 mph 12:27 20.2 mph 38.4 mph, 2013 12.6 mph, 2017
Mean Wind Direction W
Rainfall 0.4 mm 21.2 mm (143%) 4.9 mm, 2012
Maximum Hourly Rain 0.2 mm 1.5 mm, 2012
Maximum 10-min Rain 0.2 mm 0.9 mm, 2012
Maximum Rain Rate n/a 10, 2016
Minimum Dew Point 5.5 °C 04:00 2.6 °C 8.5 °C, 2012 1.1 °C, 2017
Maximum Dew Point 10.8 °C 13:20 7.4 °C 14.0 °C, 2012 4.3 °C, 2017
Mean Dew Point 8.3 °C 5.3 °C 11.6 °C, 2012 2.6 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 6.9 °C 04:12 6.4 °C 14.2 °C, 2016 6.3 °C, 2010
Day Maximum (09-21) 15.3 °C 11:22 14.3 °C 24.8 °C, 2016 11.5 °C, 2010
Max 10m Temp Rise 0.8 °C 08:41 0.8 °C 0.9 °C, 2009 0.5 °C, 2010
Max 1hr Temp Rise 2.4 °C 09:19 2.5 °C 3.4 °C, 2018 1.7 °C, 2010
Max 1hr Hum Rise 10% 14:10 14% 28%, 2013 5%, 2015
Max 10m Temp Fall 0.8 °C 13:49 0.9 °C 1.2 °C, 2013 0.3 °C, 2010
Max 1hr Temp Fall 1.9 °C 14:12 2.2 °C 3.0 °C, 2013 1.1 °C, 2012
Max 1hr Hum Fall 11% 09:36 13% 24%, 2013 6%, 2012
Max 10m Wind Speed 6.1 mph 12:51 8.8 mph 18.7 mph, 2013 6.1 mph, 2019
Minimum Feels-like 5.5 °C 04:20 3.3 °C 14.2 °C, 2016 3.1 °C, 2017
Maximum Feels-like 16.8 °C 11:20 14.7 °C 25.7 °C, 2016 11.5 °C, 2010
Mean Feels-like 11.2 °C 9.6 °C 19.5 °C, 2016 7.1 °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 8.4 °C (-0.1) 8.1 °C (-0.5) 12.8 °C (+4.3), 2018 4.5 °C (-4.0), 2012
Humidity Range 26% 35% 54%, 2018 23%, 2012
Pressure Range 13 hPa 8 hPa 14 hPa, 2017 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [14%]33 hrs (62%) [27%] 12.5 [90%], 2011 0 [0%], 2012
Wet Hours 2
[Mean rain rate: 0.2 mm/h]
21 hrs (181%) [9.7%] 6, 2012 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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