Daily Report for 1st February 2009


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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -2.5 °C (-4.8) 22:00 -2.5 °C (-4.8) 9.5 °C (+7.2), 2016 -2.5 °C (-4.8), 2009
Maximum Temperature 2.6 °C (-4.5) 13:10 2.6 °C (-4.5) 13.9 °C (+6.8), 2016 1.9 °C (-5.2), 2019
Mean Temperature 0.1 °C (-4.7) 0.1 °C (-4.7) 12.2 °C, 2016 0.1 °C, 2009
Minimum Humidity 45% 15:17 45% 88%, 2019 43%, 2012
Maximum Humidity 82% 23:39 82% 98%, 2014 79%, 2012
Mean Humidity 64% 64% 93%, 2019 64%, 2009
Minimum Pressure 1007 hPa 23:16 1007 hPa 1029 hPa, 2012 982 hPa, 2014
Maximum Pressure 1013 hPa 00:23 1013 hPa 1035 hPa, 2012 996 hPa, 2014
Mean Pressure 1010 hPa 1010 hPa 1032 hPa, 2012 989 hPa, 2019
Mean Wind Speed n/a (-5.1) 0.0 mph (-5.1) 12.3, 2016 3.48, 2013
Maximum Wind Speed n/a 0.0 mph 25.3, 2016 10.9, 2010
Maximum Gust n/a 0.0 mph 38, 2020 14.5, 2010
Mean Wind Direction n/a
Rainfall / Snow-melt approx. 0.5 mm 0.5 mm (35%) 13.2 mm, 2019
Maximum Hourly Rain 0.3 mm 3.7 mm, 2014
Maximum 10-min Rain n/a 2.4, 2014
Maximum Rain Rate n/a 48, 2014
Minimum Dew Point -9.5 °C 15:17 -9.5 °C 6.5 °C, 2017 -9.5 °C, 2009
Maximum Dew Point -2.5 °C 00:21 -2.5 °C 10.0 °C, 2016 -3.0 °C, 2012
Mean Dew Point -5.1 °C -5.1 °C 8.2 °C, 2017 -6.0 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * -0.2 °C * -0.2 °C 11.6 °C, 2016 -1.7 °C, 2011
Day Maximum (09-21) 2.6 °C 2.6 °C 13.9 °C, 2016 1.9 °C, 2019
Max 10m Temp Rise n/a 12:59 0.0 °C 0.3, 2010 0.2, 2016
Max 1hr Temp Rise n/a 13:05 0.0 °C 1.3, 2012 0.6, 2016
Max 1hr Hum Rise n/a 18:31 0% 20, 2015 1, 2017
Max 10m Temp Fall n/a 16:51 0.0 °C 1, 2018 0.1, 2017
Max 1hr Temp Fall n/a 18:31 0.0 °C 2.2, 2014 0.4, 2017
Max 1hr Hum Fall n/a 13:26 0% 15, 2012 1, 2017
Max 10m Wind Speed n/a 0.0 mph 18.8, 2016 7.2, 2010
Minimum Feels-like n/a 0.0 °C 6.3, 2017 -8, 2011
Maximum Feels-like n/a 0.0 °C 14.7, 2016 -0.5, 2012
Mean Feels-like n/a 0.0 °C 12.6, 2016 -4.5, 2012
Air-frost Hrs 7 hrs 7 hrs 10 hrs, 2012 0 hrs, 2013
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.1 °C (+0.4) 5.1 °C (+0.4) 8.6 °C (+3.9), 2011 1.7 °C (-3.0), 2019
Humidity Range 37% 37% 41%, 2014 4%, 2017
Pressure Range 6 hPa 6 hPa 14 hPa, 2013 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.8 [59%]4.8 hrs (194%) [58%] 7 [86%], 2010 0 [0%], 2017
Wet Hours 0 hrs (0%) [0%] 20, 2019 , 2009
Cloud Cover not available
Events Snowfall: ~0.5 cm
Air Frost
Comments 12-2100 Lying Snow Showers (1cm)
Extra Comments
Issues None known
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

daygraph daygraph 2 daygraph-wdir

Webcam Summary of Cloud Conditions


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Wind rose