Daily Report for 16th November 2015

<<Previous Day
Reset 		Next Day>>
Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.8 °C (+6.5) 19:25 10.6 °C (+4.5) 11.8 °C (+6.5), 2015 0.1 °C (-5.2), 2010
Maximum Temperature 14.0 °C (+3.5) 06:14 15.0 °C (+3.7) 14.0 °C (+3.5), 2015 6.8 °C (-3.7), 2019
Mean Temperature 13.0 °C (+5.0) 12.9 °C (+4.1) 13.0 °C, 2015 3.8 °C, 2010
Minimum Humidity 63% 16:01 80% 96%, 2014 61%, 2009
Maximum Humidity 88% 14:51 91% 98%, 2009 81%, 2016
Mean Humidity 76% 86% 97%, 2010 76%, 2015
Minimum Pressure 1005 hPa 23:49 1015 hPa 1028 hPa, 2013 976 hPa, 2022
Maximum Pressure 1010 hPa 09:45 1021 hPa 1033 hPa, 2013 995 hPa, 2022
Mean Pressure 1009 hPa 1018 hPa 1031 hPa, 2013 989 hPa, 2022
Mean Wind Speed 8.0 mph (+3.4) 6.2 mph (+1.6) 9.0 mph, 2016 1.3 mph, 2010
Maximum Wind Speed 19.0 mph 00:36 15.1 mph 23.5 mph, 2016 7.1 mph, 2013
Maximum Gust 29.3 mph 02:02 21.8 mph 35.5 mph, 2016 9.8 mph, 2013
Mean Wind Direction SW
Rainfall 1.1 mm 31.1 mm (87%) 13.9 mm, 2022
Maximum Hourly Rain 1.1 mm 22:57 5.1 mm, 2022
Maximum 10-min Rain 0.4 mm 22:44 1.9 mm, 2022
Maximum Rain Rate 3.6 mm/h 22:35 30 mm/h, 2022
Minimum Dew Point 5.3 °C 16:24 8.2 °C 8.1 °C, 2014 -0.2 °C, 2010
Maximum Dew Point 12.0 °C 06:13 13.1 °C 12.0 °C, 2015 4.5 °C, 2019
Mean Dew Point 8.8 °C 10.6 °C 9.1 °C, 2018 3.3 °C, 2010
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) * 12.9 °C * 08:39 11.1 °C 12.9 °C, 2015 0.1 °C, 2010
Day Maximum (09-21) * 13.7 °C * 13:09 14.7 °C 13.9 °C, 2016 6.8 °C, 2019
Max 10m Temp Rise 0.2 °C 10:08 0.3 °C 0.8 °C, 2009 0.2 °C, 2011
Max 1hr Temp Rise 0.5 °C 10:24 1.0 °C 2.2 °C, 2021 0.2 °C, 2018
Max 1hr Hum Rise 7% 21:23 3% 9%, 2017 1%, 2014
Max 10m Temp Fall 0.2 °C 06:48 0.4 °C 1.0 °C, 2017 0.1 °C, 2012
Max 1hr Temp Fall 0.8 °C 15:51 1.0 °C 2.3 °C, 2017 0.2 °C, 2012
Max 1hr Hum Fall 5% 08:03 3% 16%, 2009 1%, 2012
Max 10m Wind Speed 13.3 mph 13:01 11.2 mph 17.2 mph, 2016 5.3 mph, 2021
Minimum Feels-like 11.8 °C 19:20 10.7 °C 11.8 °C, 2015 -1.5 °C, 2013
Maximum Feels-like 16.3 °C 06:00 17.7 °C 16.3 °C, 2015 6.8 °C, 2019
Mean Feels-like 13.8 °C 14.4 °C 13.8 °C, 2015 3.4 °C, 2010
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.2 °C (-2.9) 4.3 °C (-0.8) 8.9 °C (+3.8), 2017 2.2 °C (-2.9), 2015
Humidity Range 25% 11% 37%, 2009 1%, 2014
Pressure Range 5 hPa 7 hPa 19 hPa, 2022 2 hPa, 2011
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 1 [13%]16 hrs (35%) [12%] 5.5 [70%], 2013 0 [0%], 2012
Wet Hours 2
[Mean rain rate: 0.6 mm/h]		37 hrs (111%) [9.7%] 9, 2022 0, 2010
Cloud Cover Mostly Cloudy
Events None
Comments 20- broken Rain
Extra Comments
Issues WD glitch at 1730. PC Reset at 22z. Some data loss/glitch in that time
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 16th 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