Daily Report for 2nd November 2023

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 8.6 °C (+1.7) 18:24 9.1 °C (+2.3) 11.3 °C (+4.4), 2010 1.1 °C (-5.8), 2018
Maximum Temperature 11.3 °C (-1.1) 02:54 12.4 °C (+0.0) 16.9 °C (+4.5), 2020 9.5 °C (-2.9), 2016
Mean Temperature 9.9 °C (+0.3) 10.9 °C (+1.2) 13.9 °C, 2014 4.9 °C, 2018
Minimum Humidity 84% 20:35 82% 95%, 2015 52%, 2012
Maximum Humidity 97% 08:51 97% 97%, 2010 82%, 2016
Mean Humidity 92% 91% 96%, 2015 73%, 2016
Minimum Pressure 956 hPa 08:02 966 hPa 1030 hPa, 2024 956 hPa, 2023
Maximum Pressure 978 hPa 23:54 989 hPa 1032 hPa, 2024 978 hPa, 2023
Mean Pressure 968 hPa 979 hPa 1031 hPa, 2024 968 hPa, 2023
Mean Wind Speed 8.7 mph (+4.1) 7.6 mph (+3.0) 10.1 mph, 2019 0.5 mph, 2021
Maximum Wind Speed 24.3 mph 03:00 19.2 mph 24.3 mph, 2023 4.0 mph, 2017
Maximum Gust 39.2 mph 03:03 31.1 mph 39.2 mph, 2023 8.1 mph, 2017
Mean Wind Direction WSW
Rainfall 12.5 mm 21.4 mm (479%) 23.5 mm, 2022
Maximum Hourly Rain 2.7 mm 08:09 18.5 mm, 2022
Maximum 10-min Rain 0.8 mm 03:18 8.2 mm, 2022
Maximum Rain Rate 7 mm/h 03:00 114 mm/h, 2022
Minimum Dew Point 6.5 °C 18:26 6.8 °C 9.6 °C, 2024 -1.1 °C, 2016
Maximum Dew Point 10.4 °C 02:54 11.4 °C 15.0 °C, 2020 3.6 °C, 2016
Mean Dew Point 8.7 °C 9.5 °C 11.5 °C, 2014 1.1 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 9.4 °C * 03:57 10.5 °C 16.3 °C, 2020 1.1 °C, 2018
Day Maximum (09-21) * 10.7 °C * 09:52 11.9 °C 16.9 °C, 2020 9.5 °C, 2016
Max 10m Temp Rise 0.3 °C 00:26 0.2 °C 0.5 °C, 2012 0.1 °C, 2014
Max 1hr Temp Rise 1.0 °C 01:07 0.9 °C 2.4 °C, 2018 0.4 °C, 2014
Max 1hr Hum Rise 5% 21:35 4% 12%, 2013 1%, 2015
Max 10m Temp Fall 0.8 °C 03:08 0.6 °C 1.6 °C, 2020 0.2 °C, 2010
Max 1hr Temp Fall 1.9 °C 03:51 1.4 °C 3.5 °C, 2020 0.3 °C, 2024
Max 1hr Hum Fall 6% 18:26 6% 14%, 2013 1%, 2015
Max 10m Wind Speed 17.8 mph 03:07 14.4 mph 17.8 mph, 2023 3.2 mph, 2017
Minimum Feels-like 3.9 °C 18:25 4.9 °C 12.7 °C, 2024 -2.7 °C, 2018
Maximum Feels-like 12.8 °C 02:48 14.3 °C 20.8 °C, 2020 8.9 °C, 2016
Mean Feels-like 8.8 °C 10.9 °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 2.7 °C (-2.8) 3.2 °C (-2.3) 9.1 °C (+3.6), 2020 2.6 °C (-2.9), 2024
Humidity Range 13% 15% 36%, 2013 2%, 2015
Pressure Range 22 hPa 24 hPa 22 hPa, 2023 3 hPa, 2024
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]2 hrs (33%) [12%] 8.6 [100%], 2018 0 [0%], 2023
Wet Hours 14
[Mean rain rate: 0.9 mm/h]
23 hrs (548%) [48%] 14, 2023 0, 2009
Cloud Cover Overcast
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 11.6 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 2nd November 2023.
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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