Daily Report for 2nd November 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 1.1 °C (-5.8) 06:34 2.8 °C (-4.1) 11.3 °C (+4.4), 2010 1.1 °C (-5.8), 2018
Maximum Temperature 10.0 °C (-2.4) 13:44 10.7 °C (-1.6) 16.9 °C (+4.5), 2020 9.5 °C (-2.9), 2016
Mean Temperature 4.9 °C (-4.1) 7.1 °C (-2.9) 13.9 °C, 2014 4.9 °C, 2018
Minimum Humidity 65% 15:36 77% 95%, 2015 52%, 2012
Maximum Humidity 95% 07:22 96% 97%, 2010 82%, 2016
Mean Humidity 85% 89% 96%, 2015 73%, 2016
Minimum Pressure 1015 hPa 00:03 1009 hPa 1023 hPa, 2016 956 hPa, 2023
Maximum Pressure 1029 hPa 21:55 1022 hPa 1029 hPa, 2018 978 hPa, 2023
Mean Pressure 1024 hPa 1016 hPa 1025 hPa, 2016 968 hPa, 2023
Mean Wind Speed 2.4 mph (-2.2) 2.3 mph (-2.3) 10.1 mph, 2019 0.5 mph, 2021
Maximum Wind Speed 9.6 mph 09:41 9.5 mph 24.3 mph, 2023 4.0 mph, 2017
Maximum Gust 11.5 mph 08:51 12.1 mph 39.2 mph, 2023 8.1 mph, 2017
Mean Wind Direction W
Rainfall 0.0 mm 11.2 mm (251%) 23.5 mm, 2022
Maximum Hourly Rain n/a 18.5, 2022
Maximum 10-min Rain n/a 8.2, 2022
Maximum Rain Rate n/a 114, 2022
Minimum Dew Point 0.1 °C 06:32 1.7 °C 8.9 °C, 2010 -1.1 °C, 2016
Maximum Dew Point 5.4 °C 12:51 8.0 °C 15.0 °C, 2020 3.6 °C, 2016
Mean Dew Point 2.5 °C 5.4 °C 11.5 °C, 2014 1.1 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 1.1 °C 06:35 5.0 °C 16.3 °C, 2020 1.1 °C, 2018
Day Maximum (09-21) 10.0 °C 13:44 10.7 °C 16.9 °C, 2020 9.5 °C, 2016
Max 10m Temp Rise 0.5 °C 09:55 0.3 °C 0.5 °C, 2012 0.1 °C, 2014
Max 1hr Temp Rise 2.4 °C 10:42 1.4 °C 2.4 °C, 2018 0.4 °C, 2014
Max 1hr Hum Rise 12% 17:22 8% 12%, 2013 1%, 2015
Max 10m Temp Fall 0.8 °C 16:56 0.6 °C 1.6 °C, 2020 0.2 °C, 2010
Max 1hr Temp Fall 3.2 °C 17:44 2.5 °C 3.5 °C, 2020 0.7 °C, 2010
Max 1hr Hum Fall 8% 10:20 6% 14%, 2013 1%, 2015
Max 10m Wind Speed 6.2 mph 08:59 6.2 mph 17.8 mph, 2023 3.2 mph, 2017
Minimum Feels-like -2.7 °C 07:02 -0.9 °C 12.6 °C, 2010 -2.7 °C, 2018
Maximum Feels-like 10.0 °C 13:36 11.4 °C 20.8 °C, 2020 8.9 °C, 2016
Mean Feels-like 3.5 °C 6.5 °C 16.0 °C, 2014 3.5 °C, 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 8.9 °C (+3.4) 7.9 °C (+2.5) 9.1 °C (+3.6), 2020 2.7 °C (-2.8), 2023
Humidity Range 30% 19% 36%, 2013 2%, 2015
Pressure Range 14 hPa 13 hPa 22 hPa, 2023 3 hPa, 2017
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 8.6 [100%]8.8 hrs (145%) [51%] 8.6 [100%], 2018 0 [0%], 2023
Wet Hours 111 hrs (262%) [23%] 14, 2023 0, 2009
Cloud Cover Sunny
Events Maximum possible sunshine
Comments -
Extra Comments delayed tip removed
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 0.0 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 2nd November 2018.
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 are derived based on analysis of webcam observations, but may use data from our closest site, Heathrow, when needed.
Wet hrs are dervied algorithmically from rainfall data, though may be adjusted manually.
Rainfall totals may be manually adjusted after the fact to correct delayed or erroneous data.
Cloud cover and Events are manually reported, often with multi-week delays.
Data is generally reliable and accurate but should always be viewed with some quantity of salt to hand.
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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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