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 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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