Daily Report for 30th April 2020

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 6.6 °C (+0.5) 05:53 6.3 °C (+1.2) 10.9 °C (+4.8), 2011 2.4 °C (-3.7), 2016
Maximum Temperature 13.3 °C (-1.4) 11:56 17.5 °C (+4.5) 20.4 °C (+5.7), 2014 8.7 °C (-6.0), 2018
Mean Temperature 9.4 °C (-0.5) 11.8 °C (+2.8) 15.1 °C, 2011 6.4 °C, 2018
Minimum Humidity 62% 11:56 46% 62%, 2018 36%, 2013
Maximum Humidity 91% 15:57 86% 97%, 2014 71%, 2017
Mean Humidity 83% 67% 83%, 2020 52%, 2017
Minimum Pressure 993 hPa 14:12 1016 hPa 1022 hPa, 2019 993 hPa, 2020
Maximum Pressure 998 hPa 00:00 1021 hPa 1027 hPa, 2019 998 hPa, 2020
Mean Pressure 996 hPa 1018 hPa 1025 hPa, 2019 996 hPa, 2020
Mean Wind Speed 7.1 mph (+2.2) 4.7 mph (-0.2) 7.9 mph, 2018 2.0 mph, 2019
Maximum Wind Speed 18.0 mph 12:44 13.1 mph 18.1 mph, 2011 8.6 mph, 2019
Maximum Gust 30.0 mph 13:22 19.7 mph 30.0 mph, 2020 11.5 mph, 2019
Mean Wind Direction SW
Rainfall 9.5 mm 24.7 mm (50%) 9.5 mm, 2020
Maximum Hourly Rain 4.6 mm 15:19 4.6 mm, 2020
Maximum 10-min Rain 1.5 mm 14:55 1.5 mm, 2020
Maximum Rain Rate 30 mm/h 16:50 30 mm/h, 2010
Minimum Dew Point 4.8 °C 05:49 3.0 °C 5.9 °C, 2010 -3.1 °C, 2016
Maximum Dew Point 8.3 °C 13:16 8.1 °C 12.5 °C, 2014 2.9 °C, 2013
Mean Dew Point 6.6 °C 5.4 °C 8.0 °C, 2010 -0.9 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 6.6 °C 05:53 6.5 °C 10.9 °C, 2011 2.4 °C, 2016
Day Maximum (09-21) 13.3 °C 11:56 17.3 °C 20.4 °C, 2014 8.7 °C, 2018
Max 10m Temp Rise 0.7 °C 16:04 0.7 °C 0.8 °C, 2013 0.4 °C, 2011
Max 1hr Temp Rise 2.0 °C 07:51 2.8 °C 3.5 °C, 2013 0.9 °C, 2018
Max 1hr Hum Rise 17% 15:19 10% 17%, 2020 5%, 2009
Max 10m Temp Fall 1.2 °C 14:52 0.6 °C 1.2 °C, 2020 0.3 °C, 2018
Max 1hr Temp Fall 4.1 °C 15:19 2.1 °C 4.1 °C, 2020 0.9 °C, 2018
Max 1hr Hum Fall 11% 16:57 12% 20%, 2014 6%, 2017
Max 10m Wind Speed 14.1 mph 12:08 9.8 mph 14.1 mph, 2020 6.7 mph, 2019
Minimum Feels-like 3.3 °C 04:16 4.1 °C 11.3 °C, 2011 -1.2 °C, 2018
Maximum Feels-like 13.3 °C 11:51 17.8 °C 20.4 °C, 2014 8.0 °C, 2018
Mean Feels-like 7.7 °C 11.4 °C 15.4 °C, 2011 2.8 °C, 2018
Air-frost Hrs 0 hrs 0.1 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.7 °C (-1.9) 11.2 °C (+3.3) 13.6 °C (+5.0), 2014 4.0 °C (-4.6), 2018
Humidity Range 29% 40% 60%, 2014 24%, 2009
Pressure Range 5 hPa 5 hPa 13 hPa, 2016 3 hPa, 2010
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3 [22%]237 hrs (172%) [63%] 13.4 [100%], 2011 0 [0%], 2018
Wet Hours 6
[Mean rain rate: 1.6 mm/h]
27 hrs (58%) [3.7%] 12, 2018 0, 2011
Cloud Cover am: Mostly Sunny transitioned to Overcast
pm: Partly Cloudy
Events Thunder
Comments Heavy Showers, eve with Thunder and rainbows
Extra Comments
Issues no pond temp due to covid
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 5.0 °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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