Daily Report for 9th June 2024

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 5.7 °C (-5.9) 04:54 9.4 °C (-1.9) 14.7 °C (+3.1), 2014 5.7 °C (-5.9), 2024
Maximum Temperature 16.4 °C (-4.0) 12:26 19.0 °C (-1.1) 26.8 °C (+6.4), 2021 14.1 °C (-6.3), 2013
Mean Temperature 13.1 °C (-4.9) 14.8 °C (-1.5) 20.6 °C, 2021 11.2 °C, 2015
Minimum Humidity 57% 12:26 56% 72%, 2009 20%, 2021
Maximum Humidity 87% 05:04 88% 96%, 2009 75%, 2012
Mean Humidity 70% 73% 86%, 2009 55%, 2012
Minimum Pressure 1011 hPa 23:57 1017 hPa 1031 hPa, 2015 1002 hPa, 2010
Maximum Pressure 1017 hPa 00:03 1022 hPa 1033 hPa, 2015 1007 hPa, 2010
Mean Pressure 1014 hPa 1019 hPa 1032 hPa, 2015 1004 hPa, 2010
Mean Wind Speed 4.1 mph (-0.3) 4.4 mph (-0.0) 8.7 mph, 2012 1.8 mph, 2016
Maximum Wind Speed 12.4 mph 10:51 12.3 mph 18.1 mph, 2012 6.2 mph, 2016
Maximum Gust 17.3 mph 10:32 19.3 mph 27.0 mph, 2012 9.4 mph, 2016
Mean Wind Direction NW
Rainfall 0.0 mm 0.5 mm (4%) 3.9 mm, 2014
Maximum Hourly Rain n/a 3, 2010
Maximum 10-min Rain n/a 2.2, 2010
Maximum Rain Rate n/a 30, 2010
Minimum Dew Point 3.3 °C 04:43 6.8 °C 10.6 °C, 2010 1.3 °C, 2021
Maximum Dew Point 10.4 °C 23:52 12.2 °C 17.3 °C, 2023 6.0 °C, 2015
Mean Dew Point 7.6 °C 9.8 °C 13.3 °C, 2023 3.4 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 5.7 °C 04:54 9.8 °C 14.7 °C, 2014 5.7 °C, 2024
Day Maximum (09-21) 16.4 °C 12:27 19.0 °C 26.8 °C, 2021 14.1 °C, 2013
Max 10m Temp Rise 0.7 °C 05:13 0.7 °C 0.8 °C, 2011 0.3 °C, 2013
Max 1hr Temp Rise 3.0 °C 06:50 2.3 °C 3.0 °C, 2011 0.8 °C, 2013
Max 1hr Hum Rise 7% 03:17 9% 18%, 2014 3%, 2013
Max 10m Temp Fall 0.5 °C 02:51 0.7 °C 0.7 °C, 2014 0.3 °C, 2013
Max 1hr Temp Fall 2.2 °C 03:13 2.1 °C 2.5 °C, 2019 1.0 °C, 2010
Max 1hr Hum Fall 9% 06:08 10% 18%, 2021 5%, 2013
Max 10m Wind Speed 9.5 mph 10:59 8.8 mph 14.4 mph, 2012 4.1 mph, 2016
Minimum Feels-like 3.1 °C 05:06 8.7 °C 15.9 °C, 2014 3.1 °C, 2024
Maximum Feels-like 17.4 °C 09:51 20.9 °C 31.1 °C, 2023 14.3 °C, 2013
Mean Feels-like 13.5 °C 16.1 °C 23.0 °C, 2021 10.5 °C, 2015
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 10.7 °C (+1.8) 9.6 °C (+0.8) 14.9 °C (+6.0), 2023 4.0 °C (-4.9), 2013
Humidity Range 30% 32% 64%, 2021 19%, 2013
Pressure Range 6 hPa 5 hPa 9 hPa, 2016 2 hPa, 2015
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 5 [33%]54 hrs (94%) [40%] 13.5 [90%], 2021 0.2 [1%], 2009
Wet Hours 01 hrs (9%) [0.5%] 9, 2009 0, 2012
Cloud Cover unknown
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 16.8 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 9th June 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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Daily Graph of Conditions

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Webcam Summary of Cloud Conditions

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