Daily Report for 29th April 2009

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 2.9 °C (-3.0) 06:33 6.5 °C (+1.5) 11.4 °C (+5.5), 2010 2.9 °C (-3.0), 2009
Maximum Temperature 18.1 °C (+3.7) 17:00 16.0 °C (+3.3) 19.5 °C (+5.1), 2011 7.6 °C (-6.8), 2018
Mean Temperature 10.0 °C (+0.4) 10.8 °C (+2.4) 14.9 °C, 2010 6.7 °C, 2018
Minimum Humidity 41% 17:23 54% 81%, 2018 36%, 2013
Maximum Humidity 96% 08:33 91% 98%, 2012 78%, 2017
Mean Humidity 70% 75% 88%, 2012 52%, 2013
Minimum Pressure 1005 hPa 03:02 1010 hPa 1025 hPa, 2019 998 hPa, 2020
Maximum Pressure 1014 hPa 23:49 1016 hPa 1028 hPa, 2019 1006 hPa, 2020
Mean Pressure 1010 hPa 1013 hPa 1027 hPa, 2019 1003 hPa, 2020
Mean Wind Speed n/a (-4.9) 0.0 mph (-4.9) 9.8, 2012 2.1, 2014
Maximum Wind Speed n/a 0.0 mph 20.4, 2012 7.8, 2019
Maximum Gust n/a 0.0 mph 34.6, 2012 11.5, 2019
Mean Wind Direction n/a
Rainfall 0.0 mm 33.0 mm (70%) 16.9 mm, 2012
Maximum Hourly Rain n/a 2.7, 2010
Maximum 10-min Rain n/a 1.4, 2010
Maximum Rain Rate n/a 18, 2015
Minimum Dew Point 0.5 °C 22:00 3.1 °C 6.7 °C, 2014 -3.5 °C, 2015
Maximum Dew Point 8.2 °C 13:01 9.0 °C 13.1 °C, 2012 4.0 °C, 2016
Mean Dew Point 4.2 °C 6.0 °C 8.9 °C, 2010 0.2 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 2.9 °C 6.8 °C 11.4 °C, 2010 2.9 °C, 2009
Day Maximum (09-21) 18.1 °C 16.0 °C 19.5 °C, 2011 7.6 °C, 2018
Max 10m Temp Rise 0.8 °C 12:57 0.6 °C 1.0 °C, 2017 0.2 °C, 2018
Max 1hr Temp Rise 2.9 °C 13:02 1.7 °C 4.1 °C, 2017 0.4 °C, 2018
Max 1hr Hum Rise 13% 23:15 5% 16%, 2016 3%, 2018
Max 10m Temp Fall 0.5 °C 18:29 0.4 °C 2.0 °C, 2016 0.3 °C, 2012
Max 1hr Temp Fall 2.2 °C 19:04 1.2 °C 3.0 °C, 2016 0.6 °C, 2018
Max 1hr Hum Fall 15% 11:23 7% 25%, 2012 4%, 2018
Max 10m Wind Speed n/a 0.0 mph 14.6, 2012 5.7, 2019
Minimum Feels-like n/a 0.0 °C 11.4, 2010 -0.4, 2012
Maximum Feels-like n/a 0.0 °C 21.5, 2011 6.7, 2018
Mean Feels-like n/a 0.0 °C 15.8, 2010 3.8, 2018
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 15.2 °C (+6.7) 9.5 °C (+1.8) 15.2 °C (+6.7), 2009 1.7 °C (-6.8), 2018
Humidity Range 55% 36% 55%, 2009 11%, 2018
Pressure Range 9 hPa 6 hPa 10 hPa, 2012 3 hPa, 2019
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 10 [75%]179 hrs (135%) [49%] 10 [75%], 2009 0 [0%], 2018
Wet Hours 041 hrs (91%) [5.8%] 13, 2012 0, 2009
Cloud Cover not available
Events None
Comments -
Extra Comments
Issues TMax DATA CORRECTION: -0.5C from initial
Observer Absent? No
Pond Temperature (Heath) 0.0 °C
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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Daily Graph of Conditions

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Wind rose