Daily Report for 1st July 2010

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.4 °C (+2.3) 05:47 14.4 °C (+2.2) 19.5 °C (+7.4), 2015 10.3 °C (-1.8), 2011
Maximum Temperature 26.9 °C (+5.3) 15:44 26.9 °C (+5.2) 34.2 °C (+12.6), 2015 19.0 °C (-2.6), 2012
Mean Temperature 20.3 °C (+3.8) 20.3 °C (+3.7) 27.2 °C, 2015 15.7 °C, 2012
Minimum Humidity 44% 16:57 44% 64%, 2020 28%, 2015
Maximum Humidity 82% 06:55 82% 86%, 2009 65%, 2015
Mean Humidity 63% 63% 77%, 2020 44%, 2015
Minimum Pressure 1009 hPa 22:36 1009 hPa 1023 hPa, 2011 1005 hPa, 2020
Maximum Pressure 1016 hPa 04:22 1016 hPa 1027 hPa, 2011 1009 hPa, 2020
Mean Pressure 1012 hPa 1012 hPa 1025 hPa, 2011 1007 hPa, 2020
Mean Wind Speed 5.3 mph (+1.0) 5.3 mph (+1.0) 10.6 mph, 2016 2.4 mph, 2014
Maximum Wind Speed 12.6 mph 12.6 mph 20.5 mph, 2016 8.5 mph, 2011
Maximum Gust 18.6 mph 16:32 18.6 mph 35.5 mph, 2016 12.1 mph, 2011
Mean Wind Direction SSW
Rainfall 0.0 mm 0.0 mm (0%) 1.1 mm, 2020
Maximum Hourly Rain n/a 0.5, 2016
Maximum 10-min Rain n/a 0.3, 2020
Maximum Rain Rate n/a 0.4, 2016
Minimum Dew Point 10.5 °C 05:19 10.5 °C 12.2 °C, 2009 4.3 °C, 2011
Maximum Dew Point 15.4 °C 12:27 15.4 °C 17.1 °C, 2009 8.4 °C, 2011
Mean Dew Point 12.6 °C 12.6 °C 14.3 °C, 2009 5.8 °C, 2011
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.4 °C 14.4 °C 19.5 °C, 2015 10.3 °C, 2011
Day Maximum (09-21) 26.9 °C 26.9 °C 34.2 °C, 2015 19.0 °C, 2012
Max 10m Temp Rise 0.6 °C 10:12 0.6 °C 1.0 °C, 2009 0.5 °C, 2011
Max 1hr Temp Rise 2.7 °C 10:23 2.7 °C 4.4 °C, 2009 1.5 °C, 2013
Max 1hr Hum Rise 5% 04:53 5% 12%, 2014 5%, 2010
Max 10m Temp Fall 0.4 °C 17:16 0.4 °C 0.8 °C, 2012 0.4 °C, 2010
Max 1hr Temp Fall 1.4 °C 17:31 1.4 °C 2.5 °C, 2009 1.2 °C, 2012
Max 1hr Hum Fall 7% 10:49 7% 16%, 2016 7%, 2010
Max 10m Wind Speed n/a 15:50 0.0 mph 16.6, 2016 5.3, 2011
Minimum Feels-like 15.3 °C 05:19 15.3 °C 21.9 °C, 2015 10.3 °C, 2011
Maximum Feels-like 30.9 °C 15:32 30.9 °C 37.3 °C, 2015 19.2 °C, 2012
Mean Feels-like 22.9 °C 22.9 °C 30.2 °C, 2015 16.1 °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 12.5 °C (+2.9) 12.5 °C (+3.0) 14.7 °C (+5.2), 2015 5.4 °C (-4.2), 2020
Humidity Range 38% 38% 49%, 2014 22%, 2020
Pressure Range 7 hPa 7 hPa 8 hPa, 2012 2 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [40%]6 hrs (98%) [40%] 12 [80%], 2018 2.3 [15%], 2016
Wet Hours 00 hrs (0%) [0%] 2, 2016 0, 2009
Cloud Cover am: Partly Cloudy
pm: Mostly Cloudy
Events None
Comments
Extra Comments
Issues No wind data due to house move - Mean values based on Heathrow; Speed and Gust regressionaly derived from the Mean
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 0.0 °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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