Daily Report for 6th June 2023

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 10.9 °C (-0.3) 04:54 9.4 °C (-1.7) 15.8 °C (+4.6), 2010 6.6 °C (-4.6), 2014
Maximum Temperature 15.9 °C (-4.1) 15:47 19.0 °C (-0.8) 23.3 °C (+3.3), 2016 13.3 °C (-6.7), 2020
Mean Temperature 12.9 °C (-2.2) 13.7 °C (-1.2) 18.7 °C, 2021 10.5 °C, 2020
Minimum Humidity 69% 15:42 59% 73%, 2022 32%, 2016
Maximum Humidity 82% 06:01 86% 96%, 2009 73%, 2015
Mean Humidity 77% 74% 86%, 2022 49%, 2015
Minimum Pressure 1024 hPa 18:15 1024 hPa 1024 hPa, 2021 987 hPa, 2017
Maximum Pressure 1026 hPa 00:14 1027 hPa 1029 hPa, 2015 1004 hPa, 2020
Mean Pressure 1025 hPa 1025 hPa 1026 hPa, 2021 996 hPa, 2017
Mean Wind Speed 6.4 mph (+2.0) 5.9 mph (+1.5) 9.8 mph, 2017 0.9 mph, 2021
Maximum Wind Speed 13.6 mph 12:37 13.3 mph 21.8 mph, 2017 7.2 mph, 2021
Maximum Gust 19.6 mph 10:23 19.6 mph 37.7 mph, 2017 10.3 mph, 2021
Mean Wind Direction E
Rainfall 0.0 mm 0.0 mm (0%) 17.5 mm, 2017
Maximum Hourly Rain n/a 8.2, 2020
Maximum 10-min Rain n/a 6.6, 2020
Maximum Rain Rate n/a 102, 2020
Minimum Dew Point 7.6 °C 01:09 6.9 °C 11.3 °C, 2021 0.0 °C, 2015
Maximum Dew Point 10.8 °C 16:06 11.8 °C 15.9 °C, 2021 6.9 °C, 2015
Mean Dew Point 8.9 °C 9.0 °C 13.4 °C, 2021 3.5 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 10.9 °C 04:39 9.4 °C 15.8 °C, 2010 6.6 °C, 2014
Day Maximum (09-21) 15.9 °C 15:47 19.0 °C 23.3 °C, 2016 13.3 °C, 2020
Max 10m Temp Rise 0.6 °C 12:16 0.7 °C 0.9 °C, 2014 0.4 °C, 2009
Max 1hr Temp Rise 1.1 °C 14:38 2.2 °C 3.5 °C, 2014 1.1 °C, 2023
Max 1hr Hum Rise 3% 02:07 7% 19%, 2017 3%, 2023
Max 10m Temp Fall 0.3 °C 19:37 0.4 °C 2.2 °C, 2020 0.2 °C, 2009
Max 1hr Temp Fall 1.3 °C 20:27 1.9 °C 3.7 °C, 2020 0.7 °C, 2009
Max 1hr Hum Fall 4% 12:21 7% 19%, 2017 4%, 2023
Max 10m Wind Speed 10.7 mph 12:43 9.9 mph 15.5 mph, 2017 4.6 mph, 2021
Minimum Feels-like 11.2 °C 03:59 7.6 °C 17.5 °C, 2010 3.6 °C, 2020
Maximum Feels-like 17.5 °C 15:56 21.0 °C 27.0 °C, 2021 14.4 °C, 2020
Mean Feels-like 13.7 °C 14.3 °C 21.8 °C, 2021 9.9 °C, 2020
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.0 °C (-3.7) 9.6 °C (+0.9) 16.2 °C (+7.5), 2014 5.0 °C (-3.7), 2023
Humidity Range 13% 28% 57%, 2016 13%, 2023
Pressure Range 2 hPa 3 hPa 18 hPa, 2017 2 hPa, 2023
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 3 [20%]48 hrs (125%) [54%] 13 [87%], 2016 0.2 [1%], 2009
Wet Hours 00 hrs (0%) [0%] 11, 2017 0, 2010
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 6th 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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