Daily Report for 22nd January 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.6 °C (+5.3) 09:42 3.6 °C (+1.2) 7.6 °C (+5.3), 2018 -4.8 °C (-7.1), 2013
Maximum Temperature 10.1 °C (+3.1) 14:08 8.1 °C (+1.1) 11.6 °C (+4.6), 2012 2.5 °C (-4.5), 2013
Mean Temperature 8.8 °C (+4.2) 5.7 °C (+1.1) 8.8 °C, 2018 -0.5 °C, 2017
Minimum Humidity 69% 14:19 75% 89%, 2010 47%, 2012
Maximum Humidity 96% 00:04 93% 98%, 2010 79%, 2012
Mean Humidity 84% 84% 97%, 2010 63%, 2012
Minimum Pressure 1006 hPa 00:00 1002 hPa 1035 hPa, 2011 983 hPa, 2009
Maximum Pressure 1019 hPa 22:30 1013 hPa 1040 hPa, 2011 999 hPa, 2009
Mean Pressure 1012 hPa 1008 hPa 1038 hPa, 2011 991 hPa, 2009
Mean Wind Speed 4.5 mph (-0.7) 6.4 mph (+1.2) 7.1 mph, 2012 0.3 mph, 2017
Maximum Wind Speed 14.2 mph 13:27 17.0 mph 19.0 mph, 2012 5.2 mph, 2017
Maximum Gust 19.6 mph 16:01 27.2 mph 24.6 mph, 2012 7.3 mph, 2017
Mean Wind Direction W
Rainfall 0.0 mm 51.0 mm (131%) 9.0 mm, 2010
Maximum Hourly Rain n/a 4.3, 2014
Maximum 10-min Rain n/a 0.9, 2014
Maximum Rain Rate n/a 9, 2014
Minimum Dew Point 3.9 °C 18:37 1.1 °C 4.1 °C, 2014 -7.6 °C, 2017
Maximum Dew Point 9.2 °C 00:04 6.0 °C 9.2 °C, 2018 0.4 °C, 2015
Mean Dew Point 6.1 °C 3.2 °C 6.4 °C, 2010 -4.4 °C, 2017
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 7.7 °C * 08:56 4.2 °C 7.7 °C, 2018 -4.8 °C, 2013
Day Maximum (09-21) 10.1 °C 14:08 7.7 °C 11.6 °C, 2012 2.5 °C, 2013
Max 10m Temp Rise 0.3 °C 12:25 0.4 °C 0.5 °C, 2012 0.1 °C, 2010
Max 1hr Temp Rise 0.9 °C 12:41 1.0 °C 1.7 °C, 2017 0.6 °C, 2010
Max 1hr Hum Rise 5% 19:36 5% 7%, 2012 3%, 2011
Max 10m Temp Fall 0.2 °C 20:24 0.4 °C 0.5 °C, 2013 0.1 °C, 2010
Max 1hr Temp Fall 0.8 °C 20:59 1.0 °C 2.2 °C, 2017 0.2 °C, 2010
Max 1hr Hum Fall 10% 13:38 7% 12%, 2012 0%, 2010
Max 10m Wind Speed 8.7 mph 13:36 13.0 mph 12.5 mph, 2012 4.5 mph, 2017
Minimum Feels-like 4.6 °C 22:58 -0.7 °C 4.6 °C, 2018 -8.8 °C, 2013
Maximum Feels-like 10.9 °C 00:58 7.5 °C 11.6 °C, 2012 1.1 °C, 2013
Mean Feels-like 7.1 °C 3.0 °C 7.1 °C, 2018 -2.6 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 16 hrs, 2017 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.5 °C (-2.2) 4.5 °C (-0.1) 8.6 °C (+3.9), 2017 2.5 °C (-2.2), 2018
Humidity Range 27% 18% 35%, 2009 9%, 2010
Pressure Range 13 hPa 11 hPa 16 hPa, 2009 2 hPa, 2017
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [26%]38 hrs (118%) [23%] 7 [91%], 2017 0 [0%], 2010
Wet Hours 047 hrs (99%) [8.9%] 12, 2010 , 2009
Cloud Cover Partly Cloudy with periods of Mostly Cloudy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Notes
Times of extremes are computed using the midpoint time of the extremum (if the value persisted for >1 minute).
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; their reliablity is questionable and they are provided for interest only.
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Daily Graph of Conditions

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