Daily Report for 3rd June 2011

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 12.5 °C (+1.5) 05:33 10.2 °C (-0.8) 16.5 °C (+5.5), 2021 6.9 °C (-4.1), 2013
Maximum Temperature 24.1 °C (+4.5) 16:00 22.6 °C (+3.0) 26.9 °C (+7.3), 2018 11.5 °C (-8.1), 2012
Mean Temperature 18.7 °C (+3.0) 17.0 °C (+1.1) 20.7 °C, 2018 10.8 °C, 2012
Minimum Humidity 39% 17:30 41% 88%, 2012 33%, 2010
Maximum Humidity 84% 06:05 83% 98%, 2012 70%, 2009
Mean Humidity 60% 61% 96%, 2012 54%, 2015
Minimum Pressure 1027 hPa 21:03 1028 hPa 1030 hPa, 2013 1005 hPa, 2012
Maximum Pressure 1034 hPa 03:58 1033 hPa 1034 hPa, 2011 1008 hPa, 2012
Mean Pressure 1030 hPa 1031 hPa 1031 hPa, 2013 1006 hPa, 2012
Mean Wind Speed 6.6 mph (+2.2) 4.5 mph (+0.1) 8.5 mph, 2025 2.2 mph, 2024
Maximum Wind Speed 16.1 mph 12.7 mph 18.0 mph, 2025 8.6 mph, 2024
Maximum Gust 23.7 mph 16:53 18.6 mph 30.0 mph, 2025 11.5 mph, 2024
Mean Wind Direction NE
Rainfall 0.0 mm 0.0 mm (0%) 18.8 mm, 2012
Maximum Hourly Rain n/a 4.8, 2012
Maximum 10-min Rain n/a 2.3, 2012
Maximum Rain Rate n/a 30, 2012
Minimum Dew Point 8.2 °C 21:30 6.0 °C 12.1 °C, 2021 2.0 °C, 2010
Maximum Dew Point 13.3 °C 10:53 11.5 °C 16.3 °C, 2021 7.7 °C, 2013
Mean Dew Point 10.4 °C 9.0 °C 14.8 °C, 2021 5.0 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 12.5 °C 05:30 10.2 °C 18.1 °C, 2021 6.9 °C, 2013
Day Maximum (09-21) 24.1 °C 15:50 22.6 °C 26.9 °C, 2018 11.2 °C, 2012
Max 10m Temp Rise 0.6 °C 06:40 0.8 °C 1.7 °C, 2010 0.2 °C, 2012
Max 1hr Temp Rise 2.3 °C 07:17 3.4 °C 3.0 °C, 2014 0.3 °C, 2012
Max 1hr Hum Rise 8% 23:07 7% 18%, 2017 3%, 2016
Max 10m Temp Fall 1.7 °C 19:47 0.8 °C 1.7 °C, 2010 0.2 °C, 2012
Max 1hr Temp Fall 3.0 °C 20:38 2.0 °C 3.0 °C, 2010 0.4 °C, 2012
Max 1hr Hum Fall 11% 12:07 8% 18%, 2013 1%, 2012
Max 10m Wind Speed 10.5 mph 20:15 8.5 mph 13.1 mph, 2025 4.7 mph, 2024
Minimum Feels-like 13.6 °C 05:32 10.3 °C 18.8 °C, 2021 5.1 °C, 2023
Maximum Feels-like 25.8 °C 14:56 23.9 °C 29.6 °C, 2018 13.2 °C, 2012
Mean Feels-like 20.2 °C 18.0 °C 24.5 °C, 2021 10.7 °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 11.6 °C (+3.0) 12.4 °C (+3.8) 14.7 °C (+6.1), 2010 1.9 °C (-6.7), 2012
Humidity Range 45% 42% 54%, 2018 10%, 2012
Pressure Range 7 hPa 5 hPa 15 hPa, 2015 2 hPa, 2009
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 14.7 [99%]35 hrs (181%) [78%] 14.9 [100%], 2010 0 [0%], 2012
Wet Hours 00 hrs (0%) [0%] 20, 2012 0, 2009
Cloud Cover am: Sunny transitioned to Mostly Sunny
pm: Sunny
Events Maximum possible sunshine
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature @ Hampstead Heath 0.0 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 3rd June 2011.
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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Wind rose