Daily Report for 29th December 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.8 °C (+4.0) 22:12 5.1 °C (+1.9) 9.7 °C (+6.9), 2015 -2.3 °C (-5.1), 2017
Maximum Temperature 12.3 °C (+5.2) 15:41 9.9 °C (+2.0) 12.4 °C (+5.2), 2015 3.8 °C (-3.4), 2009
Mean Temperature 9.8 °C (+4.6) 7.7 °C (+2.0) 10.9 °C, 2015 1.1 °C, 2014
Minimum Humidity 85% 15:49 79% 98%, 2010 69%, 2011
Maximum Humidity 94% 22:29 93% 98%, 2009 83%, 2011
Mean Humidity 89% 87% 98%, 2010 73%, 2011
Minimum Pressure 1030 hPa 12:23 1011 hPa 1037 hPa, 2014 990 hPa, 2017
Maximum Pressure 1035 hPa 23:55 1021 hPa 1042 hPa, 2014 1001 hPa, 2009
Mean Pressure 1033 hPa 1016 hPa 1040 hPa, 2014 996 hPa, 2009
Mean Wind Speed 5.0 mph (-0.1) 5.1 mph (-0.0) 10.8 mph, 2012 0.3 mph, 2016
Maximum Wind Speed 16.1 mph 12:21 13.5 mph 18.4 mph, 2017 4.4 mph, 2016
Maximum Gust 24.2 mph 11:37 21.7 mph 28.8 mph, 2012 6.3 mph, 2016
Mean Wind Direction WSW
Rainfall 0.0 mm 55.8 mm (107%) 11.5 mm, 2009
Maximum Hourly Rain n/a 4, 2017
Maximum 10-min Rain n/a 1.9, 2011
Maximum Rain Rate n/a 72, 2015
Minimum Dew Point 5.5 °C 21:40 3.2 °C 6.6 °C, 2010 -3.3 °C, 2017
Maximum Dew Point 10.1 °C 14:36 7.9 °C 10.1 °C, 2018 1.1 °C, 2014
Mean Dew Point 8.0 °C 5.7 °C 8.0 °C, 2018 -1.1 °C, 2014
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 8.8 °C * 02:11 5.9 °C 11.2 °C, 2012 -2.3 °C, 2017
Day Maximum (09-21) 12.3 °C 15:39 9.8 °C 12.3 °C, 2018 3.8 °C, 2009
Max 10m Temp Rise 0.4 °C 22:32 0.3 °C 0.6 °C, 2016 0.1 °C, 2010
Max 1hr Temp Rise 0.7 °C 10:14 1.1 °C 2.3 °C, 2017 0.4 °C, 2010
Max 1hr Hum Rise 4% 22:00 5% 8%, 2015 0%, 2010
Max 10m Temp Fall 0.5 °C 21:07 0.4 °C 0.5 °C, 2012 0.1 °C, 2009
Max 1hr Temp Fall 1.9 °C 21:40 1.2 °C 2.3 °C, 2016 0.3 °C, 2009
Max 1hr Hum Fall 3% 06:04 6% 10%, 2012 0%, 2010
Max 10m Wind Speed 11.7 mph 12:21 10.1 mph 14.6 mph, 2012 3.4 mph, 2016
Minimum Feels-like 4.3 °C 21:54 2.4 °C 6.5 °C, 2015 -5.1 °C, 2014
Maximum Feels-like 13.6 °C 15:25 10.4 °C 13.6 °C, 2018 3.1 °C, 2009
Mean Feels-like 9.2 °C 6.7 °C 11.1 °C, 2015 -1.0 °C, 2014
Air-frost Hrs 0 hrs 0.0 hrs 7 hrs, 2014 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.5 °C (+1.1) 4.8 °C (+0.1) 10.2 °C (+5.8), 2017 1.7 °C (-2.7), 2010
Humidity Range 9% 15% 24%, 2017 0%, 2010
Pressure Range 6 hPa 9 hPa 17 hPa, 2017 5 hPa, 2014
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]56 hrs (124%) [27%] 7 [100%], 2013 0 [0%], 2009
Wet Hours 063 hrs (109%) [9.1%] 11, 2009 0, 2013
Cloud Cover am: Overcast
pm: Overcast transitioned to Partly Cloudy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? No
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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