Daily Report for 17th March 2019

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 4.2 °C (+0.5) 06:35 5.9 °C (+2.8) 7.2 °C (+3.5), 2012 -1.7 °C (-5.4), 2018
Maximum Temperature 9.4 °C (-1.0) 13:47 11.5 °C (+1.7) 15.4 °C (+5.0), 2009 7.1 °C (-3.3), 2018
Mean Temperature 6.5 °C (-0.3) 8.7 °C (+2.3) 10.6 °C, 2014 0.5 °C, 2018
Minimum Humidity 50% 13:49 61% 78%, 2013 43%, 2016
Maximum Humidity 87% 05:42 90% 98%, 2011 78%, 2017
Mean Humidity 77% 79% 89%, 2011 65%, 2010
Minimum Pressure 997 hPa 00:10 1000 hPa 1032 hPa, 2009 987 hPa, 2013
Maximum Pressure 1015 hPa 23:52 1012 hPa 1037 hPa, 2009 993 hPa, 2013
Mean Pressure 1006 hPa 1006 hPa 1034 hPa, 2009 990 hPa, 2013
Mean Wind Speed 7.0 mph (+1.8) 8.9 mph (+3.7) 10.9 mph, 2018 2.3 mph, 2011
Maximum Wind Speed 19.5 mph 13:31 21.7 mph 21.2 mph, 2018 7.8 mph, 2011
Maximum Gust 32.3 mph 13:56 35.8 mph 32.3 mph, 2018 10.7 mph, 2011
Mean Wind Direction W
Rainfall 1.4 mm 43.2 mm (179%) 4.8 mm, 2012
Maximum Hourly Rain 1.4 mm 15:27 2.6 mm, 2012
Maximum 10-min Rain 1.0 mm 15:07 1.5 mm, 2012
Maximum Rain Rate 12 mm/h 15:03 15 mm/h, 2012
Minimum Dew Point -0.6 °C 13:31 2.6 °C 4.7 °C, 2012 -4.1 °C, 2018
Maximum Dew Point 5.8 °C 00:01 7.8 °C 8.6 °C, 2012 5.0 °C, 2013
Mean Dew Point 2.6 °C 5.2 °C 6.6 °C, 2012 -1.5 °C, 2018
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 4.2 °C 06:36 6.4 °C 7.9 °C, 2012 -0.3 °C, 2018
Day Maximum (09-21) 9.4 °C 13:48 11.5 °C 15.4 °C, 2009 0.1 °C, 2018
Max 10m Temp Rise 0.5 °C 09:08 0.5 °C 1.2 °C, 2009 0.1 °C, 2018
Max 1hr Temp Rise 1.4 °C 07:52 1.6 °C 3.1 °C, 2009 0.4 °C, 2018
Max 1hr Hum Rise 28% 15:49 12% 28%, 2019 4%, 2014
Max 10m Temp Fall 2.3 °C 15:06 0.8 °C 2.3 °C, 2019 0.3 °C, 2015
Max 1hr Temp Fall 4.2 °C 15:39 1.8 °C 4.2 °C, 2019 1.0 °C, 2015
Max 1hr Hum Fall 9% 09:42 10% 22%, 2016 4%, 2012
Max 10m Wind Speed 15.6 mph 15:05 16.2 mph 16.7 mph, 2018 5.2 mph, 2011
Minimum Feels-like -0.5 °C 06:52 1.5 °C 5.1 °C, 2012 -9.2 °C, 2018
Maximum Feels-like 7.1 °C 12:13 11.4 °C 14.5 °C, 2010 4.0 °C, 2018
Mean Feels-like 3.3 °C 6.8 °C 10.1 °C, 2014 -5.5 °C, 2018
Air-frost Hrs 0 hrs 0 hrs 15 hrs, 2018 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.2 °C (-1.5) 5.5 °C (-1.0) 10.1 °C (+3.4), 2009 3.6 °C (-3.1), 2012
Humidity Range 37% 29% 49%, 2016 13%, 2012
Pressure Range 18 hPa 13 hPa 18 hPa, 2019 2 hPa, 2018
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4 [37%]40 hrs (72%) [23%] 9.2 [86%], 2009 0 [0%], 2012
Wet Hours 1
[Mean rain rate: 1.4 mm/h]
62 hrs (213%) [15%] 12, 2018 , 2009
Cloud Cover am: Sunny transitioned to Partly Cloudy
pm: Partly Cloudy
Events None
Comments 14, 15 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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