Daily Report for 27th April 2015

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 3.6 °C (-2.1) 06:18 5.8 °C (+0.8) 9.3 °C (+3.6), 2012 3.6 °C (-2.1), 2015
Maximum Temperature 12.6 °C (-1.5) 17:51 15.6 °C (+3.0) 20.8 °C (+6.7), 2010 9.9 °C (-4.2), 2009
Mean Temperature 8.5 °C (-1.8) 10.7 °C (+1.9) 14.1 °C, 2010 6.7 °C, 2013
Minimum Humidity 37% 19:00 45% 63%, 2009 36%, 2011
Maximum Humidity 86% 00:21 86% 89%, 2009 78%, 2011
Mean Humidity 53% 65% 81%, 2009 53%, 2015
Minimum Pressure 1010 hPa 10:04 1019 hPa 1025 hPa, 2010 994 hPa, 2009
Maximum Pressure 1011 hPa 16:00 1026 hPa 1028 hPa, 2010 1004 hPa, 2009
Mean Pressure 1010 hPa 1022 hPa 1026 hPa, 2010 999 hPa, 2009
Mean Wind Speed 4.9 mph (+0.0) 4.9 mph (+0.0) 5.7 mph, 2012 3.4 mph, 2010
Maximum Wind Speed 12.5 mph 20:56 12.5 mph 18.7 mph, 2013 9.2 mph, 2010
Maximum Gust 17.6 mph 04:17 17.5 mph 25.3 mph, 2013 13.4 mph, 2010
Mean Wind Direction NNW
Rainfall 0.0 mm 16.9 mm (38%) 4.6 mm, 2009
Maximum Hourly Rain n/a 2.3, 2012
Maximum 10-min Rain n/a 1.2, 2012
Maximum Rain Rate n/a 20, 2012
Minimum Dew Point -3.0 °C 19:47 0.6 °C 5.3 °C, 2012 -3.4 °C, 2013
Maximum Dew Point 4.3 °C 00:25 7.3 °C 10.4 °C, 2010 2.1 °C, 2013
Mean Dew Point -0.9 °C 3.8 °C 6.9 °C, 2010 -0.9 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 3.6 °C 06:18 6.0 °C 9.5 °C, 2012 3.6 °C, 2015
Day Maximum (09-21) 12.6 °C 17:51 15.5 °C 20.8 °C, 2010 9.9 °C, 2009
Max 10m Temp Rise 0.6 °C 12:41 0.6 °C 0.8 °C, 2011 0.6 °C, 2010
Max 1hr Temp Rise 2.2 °C 08:10 2.3 °C 2.6 °C, 2010 1.2 °C, 2009
Max 1hr Hum Rise 9% 21:47 9% 12%, 2011 6%, 2010
Max 10m Temp Fall 0.4 °C 21:07 0.6 °C 0.8 °C, 2012 0.3 °C, 2010
Max 1hr Temp Fall 1.3 °C 21:29 2.0 °C 1.9 °C, 2012 1.3 °C, 2010
Max 1hr Hum Fall 30% 01:21 14% 30%, 2015 4%, 2009
Max 10m Wind Speed 9.5 mph 04:30 9.5 mph 14.4 mph, 2013 8.2 mph, 2011
Minimum Feels-like -0.9 °C 05:11 3.4 °C 6.7 °C, 2012 -0.9 °C, 2015
Maximum Feels-like 12.6 °C 17:49 15.7 °C 21.5 °C, 2010 10.7 °C, 2013
Mean Feels-like 7.1 °C 10.1 °C 14.4 °C, 2010 4.6 °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 9.0 °C (+0.6) 9.8 °C (+2.1) 13.8 °C (+5.4), 2010 4.6 °C (-3.8), 2009
Humidity Range 49% 41% 49%, 2015 26%, 2009
Pressure Range 1 hPa 7 hPa 12 hPa, 2012 1 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 6 [46%]180 hrs (147%) [54%] 11 [84%], 2011 0.1 [1%], 2009
Wet Hours 026 hrs (62%) [4%] 6, 2009 0, 2010
Cloud Cover am: Sunny transitioned to Mostly Sunny
pm: Mostly Cloudy
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? No
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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