Daily Report for 7th June 2013

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 9.6 °C (-1.7) 04:11 8.5 °C (-2.7) 15.1 °C (+3.8), 2014 7.8 °C (-3.5), 2009
Maximum Temperature 19.5 °C (-0.6) 17:05 19.5 °C (-0.3) 25.1 °C (+5.0), 2016 16.7 °C (-3.4), 2009
Mean Temperature 14.6 °C (-1.1) 14.1 °C (-1.5) 19.8 °C, 2021 11.5 °C, 2009
Minimum Humidity 44% 13:38 42% 71%, 2012 33%, 2015
Maximum Humidity 76% 06:22 80% 96%, 2009 74%, 2015
Mean Humidity 61% 60% 83%, 2012 51%, 2015
Minimum Pressure 1022 hPa 18:05 1023 hPa 1029 hPa, 2015 993 hPa, 2012
Maximum Pressure 1024 hPa 23:30 1027 hPa 1032 hPa, 2015 1003 hPa, 2012
Mean Pressure 1023 hPa 1025 hPa 1031 hPa, 2015 998 hPa, 2012
Mean Wind Speed 5.7 mph (+1.3) 4.6 mph (+0.2) 9.0 mph, 2017 0.8 mph, 2016
Maximum Wind Speed 13.5 mph 17:46 12.3 mph 19.0 mph, 2012 8.7 mph, 2015
Maximum Gust 19.7 mph 17:47 17.9 mph 26.8 mph, 2012 12.1 mph, 2015
Mean Wind Direction ENE
Rainfall trace 0.1 mm (1%) 19.2, 2009
Maximum Hourly Rain n/a 8.3, 2009
Maximum 10-min Rain n/a 2.8, 2009
Maximum Rain Rate n/a 66, 2009
Minimum Dew Point 5.1 °C 02:39 4.0 °C 11.3 °C, 2021 1.0 °C, 2015
Maximum Dew Point 10.0 °C 11:24 8.7 °C 17.0 °C, 2014 7.6 °C, 2015
Mean Dew Point 6.8 °C 6.2 °C 13.7 °C, 2021 4.2 °C, 2015
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 9.6 °C 04:11 8.5 °C 15.1 °C, 2014 7.8 °C, 2009
Day Maximum (09-21) 19.5 °C 17:05 19.5 °C 25.1 °C, 2016 16.7 °C, 2009
Max 10m Temp Rise 0.9 °C 11:14 0.7 °C 1.8 °C, 2010 0.5 °C, 2016
Max 1hr Temp Rise 3.2 °C 11:39 2.8 °C 3.8 °C, 2009 1.6 °C, 2012
Max 1hr Hum Rise 8% 23:45 9% 20%, 2015 5%, 2018
Max 10m Temp Fall 0.4 °C 23:08 0.5 °C 1.7 °C, 2010 0.3 °C, 2012
Max 1hr Temp Fall 1.8 °C 23:53 1.9 °C 3.1 °C, 2016 1.2 °C, 2012
Max 1hr Hum Fall 15% 09:48 12% 18%, 2009 6%, 2017
Max 10m Wind Speed 9.8 mph 17:56 8.4 mph 13.4 mph, 2017 5.6 mph, 2015
Minimum Feels-like 6.9 °C 06:10 6.5 °C 17.5 °C, 2021 5.3 °C, 2020
Maximum Feels-like 20.1 °C 16:48 19.9 °C 28.1 °C, 2016 19.4 °C, 2011
Mean Feels-like 14.6 °C 14.1 °C 23.0 °C, 2021 12.9 °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 9.9 °C (+1.1) 11.0 °C (+2.3) 13.2 °C (+4.4), 2016 4.9 °C (-3.9), 2012
Humidity Range 32% 38% 44%, 2014 17%, 2018
Pressure Range 2 hPa 5 hPa 13 hPa, 2019 2 hPa, 2013
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [13%]66 hrs (148%) [63%] 12 [80%], 2015 0.4 [3%], 2018
Wet Hours 11 hrs (12%) [0.6%] 6, 2009 0, 2011
Cloud Cover Mostly Cloudy
Events None
Comments 07, 13-17 occasional brief Slight Showers
Extra Comments
Issues None known
Observer Absent? No
Pond Temperature (Heath) 0.0 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 7th June 2013.
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

daycamsumLarge resolution version

Wind rose