Daily Report for 4th April 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 0.3 °C (-4.3) 01:10 1.7 °C (-2.9) 11.1 °C (+6.5), 2014 0.1 °C (-4.5), 2013
Maximum Temperature 9.6 °C (-2.1) 16:32 9.8 °C (-1.9) 17.3 °C (+5.6), 2009 2.7 °C (-9.0), 2013
Mean Temperature 6.0 °C (-3.2) 6.0 °C (-2.4) 12.9 °C, 2014 1.6 °C, 2013
Minimum Humidity 64% 13:30 60% 71%, 2015 38%, 2009
Maximum Humidity 93% 02:06 92% 95%, 2015 80%, 2017
Mean Humidity 78% 79% 83%, 2018 67%, 2009
Minimum Pressure 994 hPa 05:44 1001 hPa 1021 hPa, 2017 993 hPa, 2018
Maximum Pressure 1000 hPa 23:18 1010 hPa 1030 hPa, 2017 1000 hPa, 2019
Mean Pressure 996 hPa 1005 hPa 1025 hPa, 2017 995 hPa, 2018
Mean Wind Speed 6.8 mph (+1.9) 4.2 mph (-0.7) 9.4 mph, 2013 3.0 mph, 2017
Maximum Wind Speed 19.5 mph 14:42 14.9 mph 20.9 mph, 2018 8.2 mph, 2017
Maximum Gust 31.1 mph 14:42 22.5 mph 35.6 mph, 2018 12.6 mph, 2017
Mean Wind Direction SSE
Rainfall 0.4 mm 4.8 mm (73%) 0.8 mm, 2010
Maximum Hourly Rain 0.2 mm 0.8 mm, 2010
Maximum 10-min Rain 0.2 mm 0.3 mm, 2012
Maximum Rain Rate n/a 1.1, 2012
Minimum Dew Point -1.1 °C 01:04 0.1 °C 5.8 °C, 2016 -6.7 °C, 2013
Maximum Dew Point 4.5 °C 17:52 4.6 °C 9.8 °C, 2014 0.9 °C, 2013
Mean Dew Point 2.3 °C 2.5 °C 7.7 °C, 2014 -3.2 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 0.3 °C 01:11 1.8 °C 11.5 °C, 2014 0.1 °C, 2013
Day Maximum (09-21) 9.6 °C 15:02 9.8 °C 17.3 °C, 2009 2.7 °C, 2013
Max 10m Temp Rise 0.9 °C 11:04 0.8 °C 0.9 °C, 2012 0.3 °C, 2014
Max 1hr Temp Rise 3.2 °C 11:43 2.5 °C 3.6 °C, 2012 0.5 °C, 2015
Max 1hr Hum Rise 15% 17:41 14% 15%, 2019 3%, 2015
Max 10m Temp Fall 0.9 °C 10:25 0.8 °C 0.9 °C, 2019 0.3 °C, 2015
Max 1hr Temp Fall 2.1 °C 17:38 2.1 °C 2.1 °C, 2019 0.7 °C, 2013
Max 1hr Hum Fall 16% 11:50 12% 16%, 2013 4%, 2017
Max 10m Wind Speed 15.0 mph 12:29 10.4 mph 15.2 mph, 2018 6.1 mph, 2017
Minimum Feels-like -4.9 °C 02:03 -2.1 °C 11.1 °C, 2014 -5.3 °C, 2013
Maximum Feels-like 7.4 °C 22:54 9.2 °C 16.2 °C, 2017 0.1 °C, 2013
Mean Feels-like 3.1 °C 4.3 °C 13.4 °C, 2014 -3.1 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.3 °C (+2.1) 8.1 °C (+1.0) 9.9 °C (+2.8), 2009 2.6 °C (-4.6), 2013
Humidity Range 29% 32% 53%, 2009 13%, 2017
Pressure Range 6 hPa 9 hPa 21 hPa, 2010 3 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2.5 [21%]18 hrs (102%) [37%] 8.8 [75%], 2009 0 [0%], 2013
Wet Hours 1.5
[Mean rain rate: 0.3 mm/h]
7.5 hrs (122%) [7.8%] 3, 2013 0, 2011
Cloud Cover Mostly Cloudy or Partly Cloudy
Events None
Comments day Showers
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) n/a
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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