Daily Report for 6th November 2015

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 14.1 °C (+7.6) 06:33 10.4 °C (+3.8) 14.1 °C (+7.6), 2015 0.3 °C (-6.2), 2014
Maximum Temperature 17.3 °C (+5.6) 15:45 14.4 °C (+2.4) 17.3 °C (+5.6), 2015 6.7 °C (-5.0), 2016
Mean Temperature 15.5 °C (+6.6) 12.5 °C (+3.1) 15.5 °C, 2015 4.2 °C, 2016
Minimum Humidity 89% 16:25 90% 93%, 2024 61%, 2016
Maximum Humidity 91% 05:49 94% 98%, 2013 81%, 2016
Mean Humidity 90% 93% 95%, 2024 71%, 2016
Minimum Pressure 1012 hPa 08:30 1016 hPa 1027 hPa, 2024 993 hPa, 2009
Maximum Pressure 1018 hPa 23:58 1021 hPa 1036 hPa, 2020 1001 hPa, 2013
Mean Pressure 1014 hPa 1018 hPa 1032 hPa, 2024 998 hPa, 2009
Mean Wind Speed 6.9 mph (+2.3) 3.2 mph (-1.3) 10.1 mph, 2016 1.1 mph, 2020
Maximum Wind Speed 14.5 mph 09:29 9.1 mph 18.5 mph, 2016 5.0 mph, 2020
Maximum Gust 22.3 mph 14:25 12.7 mph 33.9 mph, 2016 8.0 mph, 2020
Mean Wind Direction SW
Rainfall 2.0 mm 13.5 mm (101%) 27.4 mm, 2022
Maximum Hourly Rain 1.5 mm 10:53 14.9 mm, 2022
Maximum 10-min Rain 0.4 mm 10:24 4.1 mm, 2022
Maximum Rain Rate 3.6 mm/h 10:24 48 mm/h, 2022
Minimum Dew Point 12.5 °C 06:33 9.4 °C 12.5 °C, 2015 -3.2 °C, 2016
Maximum Dew Point 15.5 °C 15:45 13.1 °C 15.5 °C, 2015 2.3 °C, 2016
Mean Dew Point 13.8 °C 11.3 °C 13.8 °C, 2015 -0.7 °C, 2016
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 14.1 °C 06:33 10.4 °C 14.1 °C, 2015 0.3 °C, 2014
Day Maximum (09-21) 17.3 °C 15:45 14.4 °C 17.3 °C, 2015 6.7 °C, 2016
Max 10m Temp Rise 0.2 °C 13:31 0.3 °C 0.8 °C, 2014 0.2 °C, 2010
Max 1hr Temp Rise 1.0 °C 13:11 1.0 °C 3.6 °C, 2014 0.4 °C, 2022
Max 1hr Hum Rise 1% 10:12 2% 12%, 2009 1%, 2015
Max 10m Temp Fall 0.2 °C 22:36 0.3 °C 1.0 °C, 2009 0.1 °C, 2013
Max 1hr Temp Fall 0.7 °C 22:59 1.1 °C 2.2 °C, 2016 0.2 °C, 2013
Max 1hr Hum Fall 1% 04:21 1% 15%, 2014 1%, 2015
Max 10m Wind Speed 11.2 mph 09:31 7.0 mph 15.6 mph, 2016 0.0 mph, 2020
Minimum Feels-like 16.6 °C 05:31 11.4 °C 16.6 °C, 2015 -4.2 °C, 2016
Maximum Feels-like 21.6 °C 15:13 17.3 °C 21.6 °C, 2015 4.2 °C, 2016
Mean Feels-like 18.7 °C 14.4 °C 18.7 °C, 2015 -0.5 °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 3.2 °C (-2.0) 4.0 °C (-1.4) 11.4 °C (+6.2), 2014 1.2 °C (-4.0), 2024
Humidity Range 2% 4% 32%, 2014 2%, 2015
Pressure Range 6 hPa 6 hPa 14 hPa, 2020 2 hPa, 2016
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]7.6 hrs (42%) [15%] 8.3 [99%], 2017 0 [0%], 2009
Wet Hours 2
[Mean rain rate: 1.0 mm/h]		16 hrs (127%) [11%] 10, 2022 0, 2011
Cloud Cover Overcast
Events None
Comments am Rain
Extra Comments Rain gauge batteries replaced; webcams moved to clearer window; radiation shield cleaned
Issues 16 tips removed: false due to maintenance work
Observer Absent? No
Pond Temperature @ Hampstead Heath 0.0 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 6th November 2015.
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.
View monthly summary

Daily Graph of Conditions

day graph

Webcam Summary of Cloud Conditions

daycamsumLarge resolution version

Wind rose