Daily Report for 16th June 2024

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.4 °C (-0.7) 05:06 9.3 °C (-2.3) 14.4 °C (+2.3), 2018 8.1 °C (-4.0), 2015
Maximum Temperature 20.7 °C (-0.4) 16:18 18.4 °C (-2.1) 29.1 °C (+8.0), 2022 17.3 °C (-3.8), 2011
Mean Temperature 15.8 °C (-0.6) 14.2 °C (-2.2) 22.1 °C, 2021 13.9 °C, 2010
Minimum Humidity 49% 16:10 57% 61%, 2019 33%, 2022
Maximum Humidity 88% 05:10 90% 92%, 2019 73%, 2018
Mean Humidity 73% 75% 78%, 2011 56%, 2023
Minimum Pressure 1002 hPa 05:51 1012 hPa 1027 hPa, 2014 999 hPa, 2016
Maximum Pressure 1008 hPa 23:57 1019 hPa 1029 hPa, 2014 1002 hPa, 2016
Mean Pressure 1004 hPa 1015 hPa 1028 hPa, 2014 1000 hPa, 2016
Mean Wind Speed 6.7 mph (+2.3) 4.9 mph (+0.5) 10.3 mph, 2012 1.7 mph, 2022
Maximum Wind Speed 13.5 mph 19:25 13.1 mph 23.0 mph, 2012 7.7 mph, 2016
Maximum Gust 21.9 mph 11:27 20.7 mph 35.1 mph, 2012 11.5 mph, 2016
Mean Wind Direction W
Rainfall 0.0 mm 11.6 mm (46%) 14.7 mm, 2011
Maximum Hourly Rain n/a 8.5, 2011
Maximum 10-min Rain n/a 1, 2021
Maximum Rain Rate n/a 7.2, 2021
Minimum Dew Point 9.3 °C 04:54 6.9 °C 11.5 °C, 2020 4.1 °C, 2010
Maximum Dew Point 12.1 °C 11:34 11.8 °C 19.7 °C, 2021 7.8 °C, 2010
Mean Dew Point 10.6 °C 9.6 °C 15.6 °C, 2021 6.1 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 11.4 °C 05:07 9.6 °C 14.6 °C, 2018 8.1 °C, 2015
Day Maximum (09-21) 20.7 °C 16:19 18.4 °C 29.1 °C, 2022 17.3 °C, 2011
Max 10m Temp Rise 0.8 °C 10:00 0.7 °C 1.2 °C, 2009 0.5 °C, 2010
Max 1hr Temp Rise 2.7 °C 11:34 2.5 °C 3.9 °C, 2009 1.5 °C, 2014
Max 1hr Hum Rise 13% 18:30 10% 21%, 2021 5%, 2017
Max 10m Temp Fall 0.5 °C 12:01 0.7 °C 1.1 °C, 2020 0.4 °C, 2014
Max 1hr Temp Fall 1.6 °C 20:15 2.2 °C 3.3 °C, 2021 1.0 °C, 2014
Max 1hr Hum Fall 13% 11:00 12% 18%, 2023 8%, 2010
Max 10m Wind Speed 10.6 mph 11:40 9.5 mph 16.2 mph, 2012 5.7 mph, 2015
Minimum Feels-like 12.4 °C 04:49 8.6 °C 16.0 °C, 2020 6.9 °C, 2010
Maximum Feels-like 22.4 °C 15:04 20.0 °C 34.6 °C, 2021 18.7 °C, 2012
Mean Feels-like 17.4 °C 15.3 °C 26.5 °C, 2021 13.6 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 9.3 °C (+0.3) 9.0 °C (+0.1) 17.2 °C (+8.2), 2022 5.1 °C (-3.9), 2014
Humidity Range 39% 33% 58%, 2022 23%, 2018
Pressure Range 6 hPa 6 hPa 9 hPa, 2017 2 hPa, 2014
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 5 [33%]79 hrs (77%) [33%] 13.5 [89%], 2023 0 [0%], 2014
Wet Hours 015 hrs (76%) [3.9%] 4, 2011 0, 2010
Cloud Cover unknown
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 16.0 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 16th 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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