Daily Report for 4th July 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 15.0 °C (+2.5) 00:02 13.7 °C (+1.3) 17.6 °C (+5.1), 2015 10.6 °C (-1.9), 2019
Maximum Temperature 20.0 °C (-1.9) 16:02 20.7 °C (-1.2) 26.7 °C (+4.8), 2014 20.0 °C (-1.9), 2020
Mean Temperature 17.5 °C (+0.3) 16.9 °C (+0.0) 21.8 °C, 2015 17.3 °C, 2016
Minimum Humidity 79% 12:06 66% 79%, 2020 33%, 2014
Maximum Humidity 93% 05:19 90% 96%, 2012 66%, 2011
Mean Humidity 86% 80% 86%, 2020 47%, 2011
Minimum Pressure 1011 hPa 23:31 1010 hPa 1022 hPa, 2019 1003 hPa, 2014
Maximum Pressure 1015 hPa 00:04 1015 hPa 1029 hPa, 2019 1012 hPa, 2012
Mean Pressure 1012 hPa 1012 hPa 1026 hPa, 2019 1008 hPa, 2014
Mean Wind Speed 9.3 mph (+5.0) 7.3 mph (+3.0) 9.3 mph, 2020 1.5 mph, 2019
Maximum Wind Speed 16.9 mph 12:54 17.2 mph 17.6 mph, 2016 7.1 mph, 2019
Maximum Gust 30.0 mph 17:08 26.8 mph 30.0 mph, 2020 10.4 mph, 2019
Mean Wind Direction SW
Rainfall 1.2 mm 8.1 mm (149%) 9.5 mm, 2012
Maximum Hourly Rain 1.0 mm 03:49 2.8 mm, 2012
Maximum 10-min Rain 0.3 mm 03:49 2.3 mm, 2015
Maximum Rain Rate 1.0 mm/h 03:49 72 mm/h, 2015
Minimum Dew Point 12.9 °C 00:02 11.4 °C 14.5 °C, 2012 5.9 °C, 2014
Maximum Dew Point 16.4 °C 16:02 15.2 °C 18.4 °C, 2015 9.8 °C, 2011
Mean Dew Point 15.1 °C 13.3 °C 15.7 °C, 2012 8.1 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 14.7 °C * 22:30 13.6 °C 17.6 °C, 2015 10.6 °C, 2019
Day Maximum (09-21) 20.0 °C 16:02 20.7 °C 26.7 °C, 2014 20.0 °C, 2020
Max 10m Temp Rise 0.6 °C 09:40 0.7 °C 1.0 °C, 2009 0.4 °C, 2015
Max 1hr Temp Rise 1.7 °C 09:55 2.2 °C 3.2 °C, 2011 1.7 °C, 2012
Max 1hr Hum Rise 6% 20:49 14% 19%, 2018 5%, 2012
Max 10m Temp Fall 0.3 °C 17:32 0.9 °C 0.8 °C, 2009 0.3 °C, 2012
Max 1hr Temp Fall 1.0 °C 20:56 2.2 °C 2.5 °C, 2014 0.8 °C, 2012
Max 1hr Hum Fall 6% 09:55 10% 20%, 2015 6%, 2020
Max 10m Wind Speed 13.2 mph 12:58 12.5 mph 14.5 mph, 2016 4.8 mph, 2019
Minimum Feels-like 17.7 °C 00:00 15.7 °C 19.9 °C, 2012 11.3 °C, 2019
Maximum Feels-like 24.9 °C 15:55 24.3 °C 30.1 °C, 2015 22.8 °C, 2016
Mean Feels-like 21.5 °C 19.9 °C 25.4 °C, 2015 19.4 °C, 2016
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.0 °C (-4.5) 6.9 °C (-2.5) 16.0 °C (+6.5), 2019 5.0 °C (-4.5), 2020
Humidity Range 14% 25% 55%, 2019 14%, 2020
Pressure Range 4 hPa 5 hPa 11 hPa, 2014 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]11 hrs (45%) [18%] 14 [93%], 2019 0 [0%], 2020
Wet Hours 2
[Mean rain rate: 0.6 mm/h]
8 hrs (182%) [8.3%] 7, 2012 0, 2009
Cloud Cover Overcast
Events None
Comments o.night Rain
Extra Comments
Issues tip reassigned
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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