Daily Report for 2nd June 2023

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.1 °C (-0.8) 07:27 9.8 °C (-1.2) 15.1 °C (+4.2), 2019 8.1 °C (-2.8), 2022
Maximum Temperature 18.3 °C (-1.2) 16:26 18.6 °C (-1.0) 27.1 °C (+7.6), 2019 12.4 °C (-7.1), 2016
Mean Temperature 13.3 °C (-1.0) 13.1 °C (-1.1) 21.1 °C, 2019 10.8 °C, 2016
Minimum Humidity 55% 14:13 60% 79%, 2016 31%, 2009
Maximum Humidity 82% 23:50 84% 97%, 2010 73%, 2009
Mean Humidity 71% 75% 86%, 2016 50%, 2009
Minimum Pressure 1024 hPa 17:49 1024 hPa 1031 hPa, 2011 1001 hPa, 2015
Maximum Pressure 1027 hPa 00:54 1027 hPa 1034 hPa, 2011 1011 hPa, 2015
Mean Pressure 1026 hPa 1026 hPa 1033 hPa, 2011 1004 hPa, 2015
Mean Wind Speed 6.9 mph (+2.5) 6.4 mph (+2.0) 11.5 mph, 2015 1.5 mph, 2017
Maximum Wind Speed 14.3 mph 08:28 13.4 mph 22.1 mph, 2015 7.6 mph, 2022
Maximum Gust 20.7 mph 22:20 20.1 mph 34.2 mph, 2015 10.5 mph, 2017
Mean Wind Direction E
Rainfall 0.0 mm 0.0 mm (0%) 5.3 mm, 2017
Maximum Hourly Rain n/a 4.3, 2017
Maximum 10-min Rain n/a 4.1, 2017
Maximum Rain Rate n/a 60, 2017
Minimum Dew Point 6.1 °C 07:29 6.7 °C 12.0 °C, 2018 3.0 °C, 2013
Maximum Dew Point 10.1 °C 16:41 11.3 °C 16.6 °C, 2017 7.8 °C, 2013
Mean Dew Point 7.9 °C 8.6 °C 14.0 °C, 2018 4.9 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.1 °C 06:15 9.8 °C 15.8 °C, 2019 8.1 °C, 2022
Day Maximum (09-21) 18.3 °C 16:34 18.6 °C 27.1 °C, 2019 12.4 °C, 2016
Max 10m Temp Rise 0.9 °C 10:51 0.9 °C 1.0 °C, 2009 0.2 °C, 2016
Max 1hr Temp Rise 2.6 °C 11:36 2.4 °C 3.7 °C, 2009 0.7 °C, 2016
Max 1hr Hum Rise 8% 21:03 8% 17%, 2015 2%, 2016
Max 10m Temp Fall 0.4 °C 19:24 0.5 °C 0.7 °C, 2013 0.2 °C, 2016
Max 1hr Temp Fall 1.6 °C 20:16 2.2 °C 3.4 °C, 2020 0.7 °C, 2016
Max 1hr Hum Fall 8% 13:07 8% 16%, 2012 3%, 2016
Max 10m Wind Speed 10.8 mph 15:02 9.8 mph 16.5 mph, 2015 5.1 mph, 2020
Minimum Feels-like 10.1 °C 04:56 8.2 °C 17.9 °C, 2018 6.4 °C, 2016
Maximum Feels-like 19.6 °C 16:42 20.5 °C 30.2 °C, 2019 13.3 °C, 2016
Mean Feels-like 13.7 °C 13.6 °C 24.3 °C, 2019 11.3 °C, 2016
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 8.2 °C (-0.4) 8.8 °C (+0.2) 14.7 °C (+6.1), 2009 2.9 °C (-5.7), 2016
Humidity Range 27% 25% 54%, 2010 12%, 2016
Pressure Range 2 hPa 3 hPa 10 hPa, 2015 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 9 [61%]16 hrs (126%) [54%] 15 [101%], 2009 0 [0%], 2016
Wet Hours 00 hrs (0%) [0%] 5, 2012 0, 2009
Cloud Cover unknown
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 17.2 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 2nd June 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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Webcam Summary of Cloud Conditions

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