Daily Report for 6th July 2024

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.1 °C (-2.6) 11:41 12.5 °C (-1.1) 18.1 °C (+4.4), 2017 10.5 °C (-3.2), 2016
Maximum Temperature 16.4 °C (-6.4) 17:16 19.2 °C (-3.4) 31.2 °C (+8.4), 2017 16.4 °C (-6.4), 2024
Mean Temperature 13.9 °C (-4.5) 15.7 °C (-2.2) 23.9 °C, 2017 13.9 °C, 2024
Minimum Humidity 67% 17:18 63% 68%, 2021 33%, 2018
Maximum Humidity 97% 04:24 91% 97%, 2024 68%, 2010
Mean Humidity 86% 78% 86%, 2021 52%, 2010
Minimum Pressure 997 hPa 06:09 1008 hPa 1028 hPa, 2013 994 hPa, 2021
Maximum Pressure 1010 hPa 23:50 1015 hPa 1031 hPa, 2013 1007 hPa, 2011
Mean Pressure 1003 hPa 1012 hPa 1029 hPa, 2013 1001 hPa, 2021
Mean Wind Speed 3.8 mph (-0.5) 3.8 mph (-0.5) 8.3 mph, 2011 1.7 mph, 2018
Maximum Wind Speed 15.7 mph 17:20 11.4 mph 19.4 mph, 2011 7.4 mph, 2013
Maximum Gust 23.8 mph 15:05 17.6 mph 27.0 mph, 2011 11.6 mph, 2019
Mean Wind Direction WNW
Rainfall 27.8 mm 57.8 mm (649%) 27.8 mm, 2024
Maximum Hourly Rain 10.8 mm 03:05 10.8 mm, 2024
Maximum 10-min Rain 6.5 mm 03:02 6.5 mm, 2024
Maximum Rain Rate 72 mm/h 02:54 72 mm/h, 2024
Minimum Dew Point 8.2 °C 23:24 9.0 °C 11.8 °C, 2018 5.0 °C, 2010
Maximum Dew Point 15.5 °C 00:34 14.8 °C 17.3 °C, 2018 9.3 °C, 2010
Mean Dew Point 11.5 °C 11.7 °C 14.6 °C, 2018 7.3 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 12.6 °C * 08:56 12.8 °C 18.1 °C, 2017 10.5 °C, 2016
Day Maximum (09-21) 16.4 °C 17:17 19.2 °C 31.2 °C, 2017 16.4 °C, 2024
Max 10m Temp Rise 0.6 °C 14:09 0.6 °C 0.8 °C, 2009 0.5 °C, 2010
Max 1hr Temp Rise 2.0 °C 14:25 2.1 °C 3.1 °C, 2013 1.7 °C, 2009
Max 1hr Hum Rise 9% 18:35 10% 20%, 2018 5%, 2010
Max 10m Temp Fall 1.0 °C 01:22 0.6 °C 1.2 °C, 2009 0.4 °C, 2010
Max 1hr Temp Fall 2.2 °C 02:02 1.7 °C 3.2 °C, 2017 1.3 °C, 2010
Max 1hr Hum Fall 14% 17:27 12% 15%, 2021 7%, 2022
Max 10m Wind Speed 9.8 mph 15:08 8.4 mph 12.4 mph, 2011 5.0 mph, 2019
Minimum Feels-like 12.3 °C 11:33 13.9 °C 20.4 °C, 2017 10.5 °C, 2016
Maximum Feels-like 20.6 °C 00:02 22.3 °C 36.3 °C, 2017 20.6 °C, 2024
Mean Feels-like 15.9 °C 17.9 °C 27.7 °C, 2017 15.9 °C, 2024
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.3 °C (-3.8) 6.7 °C (-2.4) 15.3 °C (+6.2), 2013 4.9 °C (-4.2), 2021
Humidity Range 30% 28% 57%, 2018 19%, 2022
Pressure Range 13 hPa 8 hPa 14 hPa, 2021 2 hPa, 2023
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3 [20%]19 hrs (49%) [21%] 14 [93%], 2018 2 [13%], 2021
Wet Hours 10
[Mean rain rate: 2.8 mm/h]
25 hrs (380%) [17%] 10, 2012 0, 2010
Cloud Cover unknown
Events None
Comments Heavy Rain
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 19.3 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 6th July 2024.
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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Webcam Summary of Cloud Conditions

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