Daily Report for 30th July 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 16.9 °C (+3.0) 23:52 15.1 °C (+1.7) 17.7 °C (+3.8), 2018 9.1 °C (-4.8), 2011
Maximum Temperature 20.4 °C (-2.3) 00:02 24.5 °C (+2.1) 25.6 °C (+2.9), 2014 18.7 °C (-4.0), 2015
Mean Temperature 18.4 °C (+0.4) 19.9 °C (+1.9) 20.0 °C, 2014 15.2 °C, 2015
Minimum Humidity 63% 00:06 50% 72%, 2013 34%, 2012
Maximum Humidity 90% 13:02 86% 95%, 2009 73%, 2014
Mean Humidity 80% 69% 85%, 2013 55%, 2014
Minimum Pressure 1004 hPa 14:46 1015 hPa 1018 hPa, 2011 1004 hPa, 2017
Maximum Pressure 1008 hPa 23:58 1019 hPa 1025 hPa, 2011 1008 hPa, 2019
Mean Pressure 1006 hPa 1017 hPa 1022 hPa, 2011 1006 hPa, 2019
Mean Wind Speed 7.6 mph (+3.3) 4.1 mph (-0.2) 7.6 mph, 2019 2.7 mph, 2011
Maximum Wind Speed 19.9 mph 14:41 11.9 mph 19.9 mph, 2019 7.4 mph, 2011
Maximum Gust 36.9 mph 14:42 18.9 mph 36.9 mph, 2019 10.7 mph, 2011
Mean Wind Direction S
Rainfall 5.0 mm 39.6 mm (97%) 17.8 mm, 2017
Maximum Hourly Rain 1.4 mm 10:36 16.0 mm, 2017
Maximum 10-min Rain 0.8 mm 10:36 5.1 mm, 2017
Maximum Rain Rate 12 mm/h 10:31 50 mm/h, 2017
Minimum Dew Point 12.9 °C 00:12 11.1 °C 13.1 °C, 2013 2.5 °C, 2012
Maximum Dew Point 16.3 °C 16:00 15.7 °C 18.6 °C, 2013 8.9 °C, 2015
Mean Dew Point 14.8 °C 13.6 °C 15.4 °C, 2018 6.2 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 18.2 °C * 05:57 15.1 °C 18.2 °C, 2019 9.1 °C, 2011
Day Maximum (09-21) * 20.2 °C * 09:02 24.4 °C 25.6 °C, 2014 18.7 °C, 2015
Max 10m Temp Rise 0.5 °C 14:24 0.6 °C 1.0 °C, 2011 0.4 °C, 2016
Max 1hr Temp Rise 1.7 °C 14:27 2.2 °C 4.5 °C, 2011 1.4 °C, 2013
Max 1hr Hum Rise 14% 10:34 10% 14%, 2019 5%, 2013
Max 10m Temp Fall 0.7 °C 09:52 0.5 °C 0.7 °C, 2019 0.3 °C, 2010
Max 1hr Temp Fall 2.1 °C 10:32 1.8 °C 2.5 °C, 2014 1.2 °C, 2010
Max 1hr Hum Fall 8% 14:36 10% 17%, 2018 8%, 2013
Max 10m Wind Speed 12.9 mph 15:08 8.5 mph 13.1 mph, 2018 4.6 mph, 2009
Minimum Feels-like 20.5 °C 23:22 17.6 °C 20.7 °C, 2018 8.2 °C, 2011
Maximum Feels-like 24.0 °C 08:39 28.4 °C 27.4 °C, 2014 18.8 °C, 2015
Mean Feels-like 22.3 °C 23.1 °C 24.2 °C, 2018 15.4 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 3.5 °C (-5.3) 9.4 °C (+0.4) 12.7 °C (+3.9), 2011 3.5 °C (-5.3), 2019
Humidity Range 27% 36% 50%, 2012 23%, 2013
Pressure Range 4 hPa 5 hPa 12 hPa, 2009 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3 [21%]188 hrs (105%) [43%] 11 [78%], 2011 0.4 [3%], 2016
Wet Hours 8
[Mean rain rate: 0.6 mm/h]
43 hrs (131%) [6%] 8, 2019 0, 2011
Cloud Cover am: Mostly Sunny transitioned to Overcast
pm: Overcast with periods of Mostly Cloudy
Events None
Comments 09-21 persistent Rain spells
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 23.0 °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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