Daily Report for 13th September 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.8 °C (-4.6) 06:55 11.4 °C (-0.3) 17.7 °C (+6.3), 2016 6.8 °C (-4.6), 2018
Maximum Temperature 19.6 °C (+0.4) 14:43 21.0 °C (+0.8) 32.0 °C (+12.8), 2016 16.3 °C (-2.9), 2009
Mean Temperature 13.2 °C (-2.1) 16.1 °C (+0.2) 24.8 °C, 2016 13.2 °C, 2009
Minimum Humidity 41% 13:51 53% 91%, 2013 36%, 2016
Maximum Humidity 97% 08:12 91% 98%, 2013 78%, 2011
Mean Humidity 72% 74% 96%, 2013 62%, 2016
Minimum Pressure 1022 hPa 18:53 1019 hPa 1027 hPa, 2009 993 hPa, 2017
Maximum Pressure 1025 hPa 00:00 1023 hPa 1029 hPa, 2009 1002 hPa, 2017
Mean Pressure 1023 hPa 1021 hPa 1028 hPa, 2009 999 hPa, 2017
Mean Wind Speed 2.1 mph (-1.8) 3.7 mph (-0.2) 10.2 mph, 2017 2.1 mph, 2018
Maximum Wind Speed 9.9 mph 12:22 11.6 mph 24.2 mph, 2017 7.8 mph, 2013
Maximum Gust 13.8 mph 12:21 18.2 mph 41.5 mph, 2017 12.7 mph, 2013
Mean Wind Direction W
Rainfall 0.0 mm 4.0 mm (16%) 32.0 mm, 2013
Maximum Hourly Rain n/a 9, 2013
Maximum 10-min Rain n/a 2.2, 2013
Maximum Rain Rate n/a 42, 2013
Minimum Dew Point 5.3 °C 13:51 8.9 °C 14.7 °C, 2016 4.4 °C, 2012
Maximum Dew Point 10.4 °C 09:52 13.5 °C 17.7 °C, 2016 9.0 °C, 2012
Mean Dew Point 7.6 °C 11.0 °C 16.3 °C, 2016 6.3 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 6.8 °C 06:56 11.6 °C 17.7 °C, 2016 6.8 °C, 2018
Day Maximum (09-21) 19.6 °C 15:00 20.8 °C 32.2 °C, 2016 16.3 °C, 2009
Max 10m Temp Rise 0.8 °C 08:20 0.6 °C 1.1 °C, 2016 0.2 °C, 2013
Max 1hr Temp Rise 3.9 °C 09:06 2.5 °C 3.9 °C, 2018 0.8 °C, 2013
Max 1hr Hum Rise 11% 20:26 9% 21%, 2017 3%, 2013
Max 10m Temp Fall 0.4 °C 17:28 0.4 °C 1.6 °C, 2017 0.3 °C, 2010
Max 1hr Temp Fall 2.0 °C 20:28 1.7 °C 2.8 °C, 2017 0.9 °C, 2010
Max 1hr Hum Fall 18% 09:29 12% 22%, 2017 1%, 2013
Max 10m Wind Speed 6.9 mph 12:27 8.3 mph 18.4 mph, 2017 6.4 mph, 2013
Minimum Feels-like 6.1 °C 06:35 12.1 °C 23.4 °C, 2016 5.5 °C, 2012
Maximum Feels-like 19.7 °C 14:44 23.3 °C 36.9 °C, 2016 17.6 °C, 2009
Mean Feels-like 13.5 °C 17.9 °C 29.6 °C, 2016 13.1 °C, 2012
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 12.8 °C (+4.9) 9.5 °C (+1.2) 14.3 °C (+6.4), 2016 4.8 °C (-3.1), 2013
Humidity Range 56% 38% 56%, 2018 7%, 2013
Pressure Range 3 hPa 4 hPa 10 hPa, 2015 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 10.8 [93%]80 hrs (128%) [52%] 10.8 [93%], 2018 0 [0%], 2013
Wet Hours 08 hrs (45%) [2.6%] 15, 2013 0, 2009
Cloud Cover am: Sunny
pm: Sunny transitioned to Mostly Sunny
Events None
Comments -
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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