Daily Report for 4th April 2017

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 9.2 °C (+4.6) 23:58 8.2 °C (+3.6) 11.1 °C (+6.5), 2014 0.1 °C (-4.5), 2013
Maximum Temperature 15.2 °C (+3.5) 15:59 16.1 °C (+4.4) 17.3 °C (+5.6), 2009 2.7 °C (-9.0), 2013
Mean Temperature 11.6 °C (+4.0) 11.8 °C (+4.0) 12.9 °C, 2014 1.6 °C, 2013
Minimum Humidity 67% 16:02 54% 71%, 2015 38%, 2009
Maximum Humidity 80% 08:01 81% 95%, 2015 80%, 2017
Mean Humidity 76% 68% 82%, 2015 67%, 2009
Minimum Pressure 1021 hPa 03:38 1015 hPa 1021 hPa, 2017 999 hPa, 2010
Maximum Pressure 1030 hPa 22:51 1024 hPa 1030 hPa, 2017 1004 hPa, 2016
Mean Pressure 1025 hPa 1019 hPa 1025 hPa, 2017 1002 hPa, 2016
Mean Wind Speed 3.0 mph (-1.9) 3.4 mph (-1.5) 9.4 mph, 2013 3.0 mph, 2017
Maximum Wind Speed 8.2 mph 10:17 10.3 mph 20.1 mph, 2013 8.2 mph, 2017
Maximum Gust 12.6 mph 15:21 14.4 mph 29.1 mph, 2013 12.6 mph, 2017
Mean Wind Direction NW
Rainfall 0.0 mm 0.0 mm (0%) 0.8 mm, 2010
Maximum Hourly Rain n/a 0.8, 2010
Maximum 10-min Rain n/a 0.3, 2012
Maximum Rain Rate n/a 1.1, 2012
Minimum Dew Point 4.5 °C 00:00 3.1 °C 5.8 °C, 2016 -6.7 °C, 2013
Maximum Dew Point 9.5 °C 15:27 8.2 °C 9.8 °C, 2014 0.9 °C, 2013
Mean Dew Point 7.5 °C 5.8 °C 7.7 °C, 2014 -3.2 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 9.6 °C * 01:21 8.3 °C 11.5 °C, 2014 0.1 °C, 2013
Day Maximum (09-21) 15.2 °C 15:59 16.1 °C 17.3 °C, 2009 2.7 °C, 2013
Max 10m Temp Rise 0.4 °C 15:16 0.6 °C 0.9 °C, 2012 0.3 °C, 2014
Max 1hr Temp Rise 1.2 °C 15:53 2.0 °C 3.6 °C, 2012 0.5 °C, 2015
Max 1hr Hum Rise 7% 16:59 6% 12%, 2012 3%, 2015
Max 10m Temp Fall 0.6 °C 16:15 0.4 °C 0.8 °C, 2013 0.3 °C, 2015
Max 1hr Temp Fall 1.6 °C 21:22 1.6 °C 1.6 °C, 2016 0.7 °C, 2013
Max 1hr Hum Fall 4% 13:52 9% 16%, 2013 4%, 2017
Max 10m Wind Speed 6.1 mph 00:13 8.0 mph 14.8 mph, 2013 6.1 mph, 2017
Minimum Feels-like 7.2 °C 01:13 6.9 °C 11.1 °C, 2014 -5.3 °C, 2013
Maximum Feels-like 16.2 °C 15:53 16.4 °C 16.2 °C, 2017 0.1 °C, 2013
Mean Feels-like 11.8 °C 11.7 °C 13.4 °C, 2014 -3.1 °C, 2013
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.0 °C (-1.2) 7.9 °C (+0.8) 9.9 °C (+2.8), 2009 2.6 °C (-4.6), 2013
Humidity Range 13% 27% 53%, 2009 13%, 2017
Pressure Range 9 hPa 8 hPa 21 hPa, 2010 3 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.2 [2%]21 hrs (124%) [45%] 8.8 [75%], 2009 0 [0%], 2013
Wet Hours 00 hrs (0%) [0%] 3, 2013 0, 2011
Cloud Cover am: Overcast
pm: Mostly Cloudy transitioned to Overcast
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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Webcam Summary of Cloud Conditions

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