Daily Report for 15th March 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 7.9 °C (+4.4) 03:16 3.5 °C (+0.4) 7.9 °C (+4.4), 2017 1.7 °C (-1.8), 2012
Maximum Temperature 12.3 °C (+2.1) 17:11 8.9 °C (-0.7) 17.2 °C (+7.0), 2014 6.8 °C (-3.4), 2015
Mean Temperature 9.6 °C (+3.2) 6.1 °C (-0.2) 11.9 °C, 2014 5.6 °C, 2015
Minimum Humidity 68% 17:11 71% 77%, 2011 32%, 2014
Maximum Humidity 93% 07:20 94% 98%, 2011 79%, 2014
Mean Humidity 85% 84% 91%, 2011 58%, 2014
Minimum Pressure 988 hPa 04:19 991 hPa 1028 hPa, 2016 988 hPa, 2018
Maximum Pressure 993 hPa 23:58 999 hPa 1036 hPa, 2017 993 hPa, 2018
Mean Pressure 991 hPa 995 hPa 1033 hPa, 2017 991 hPa, 2018
Mean Wind Speed 5.4 mph (+0.2) 6.1 mph (+0.9) 8.4 mph, 2013 1.8 mph, 2017
Maximum Wind Speed 15.4 mph 02:18 15.2 mph 19.4 mph, 2013 7.7 mph, 2017
Maximum Gust 23.0 mph 03:53 23.4 mph 28.4 mph, 2013 10.5 mph, 2017
Mean Wind Direction SE
Rainfall 4.4 mm 27.4 mm (129%) 4.4 mm, 2018
Maximum Hourly Rain 1.4 mm 05:40 1.4 mm, 2018
Maximum 10-min Rain 0.4 mm 02:57 0.6 mm, 2013
Maximum Rain Rate 1.7 mm/h 03:21 2.1 mm/h, 2013
Minimum Dew Point 4.5 °C 00:21 1.2 °C 5.3 °C, 2011 -5.4 °C, 2013
Maximum Dew Point 8.6 °C 12:00 5.8 °C 10.0 °C, 2017 3.9 °C, 2015
Mean Dew Point 7.1 °C 3.6 °C 7.2 °C, 2011 0.7 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 7.9 °C 03:16 3.8 °C 7.9 °C, 2017 1.7 °C, 2012
Day Maximum (09-21) 12.3 °C 17:11 8.8 °C 17.2 °C, 2014 6.8 °C, 2015
Max 10m Temp Rise 0.4 °C 01:45 0.4 °C 0.9 °C, 2012 0.2 °C, 2015
Max 1hr Temp Rise 0.9 °C 11:47 1.5 °C 4.0 °C, 2012 0.6 °C, 2015
Max 1hr Hum Rise 9% 03:08 7% 11%, 2012 4%, 2011
Max 10m Temp Fall 0.4 °C 18:06 0.3 °C 0.6 °C, 2009 0.2 °C, 2015
Max 1hr Temp Fall 1.4 °C 18:34 1.2 °C 2.2 °C, 2009 0.6 °C, 2015
Max 1hr Hum Fall 10% 17:05 9% 20%, 2012 2%, 2016
Max 10m Wind Speed 12.1 mph 02:33 11.8 mph 14.5 mph, 2013 6.0 mph, 2017
Minimum Feels-like 3.6 °C 03:53 -0.6 °C 6.5 °C, 2017 -1.1 °C, 2013
Maximum Feels-like 12.6 °C 16:14 8.2 °C 17.5 °C, 2017 5.5 °C, 2015
Mean Feels-like 8.3 °C 3.7 °C 11.9 °C, 2017 2.7 °C, 2013
Air-frost Hrs 0 hrs 3 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.4 °C (-2.3) 5.4 °C (-1.2) 14.2 °C (+7.5), 2012 2.2 °C (-4.5), 2015
Humidity Range 25% 23% 47%, 2010 18%, 2016
Pressure Range 5 hPa 8 hPa 16 hPa, 2017 3 hPa, 2014
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.8 [8%]21 hrs (44%) [14%] 10.4 [98%], 2009 0 [0%], 2013
Wet Hours 6
[Mean rain rate: 0.7 mm/h]
43 hrs (168%) [12%] 8, 2013 , 2009
Cloud Cover am: Overcast
pm: Overcast transitioned to Mostly Cloudy
Events None
Comments 02-08 Rain
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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Webcam Summary of Cloud Conditions

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