Daily Report for 15th November 2014

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 5.8 °C (+0.3) 00:49 7.5 °C (+1.3) 13.6 °C (+8.1), 2015 0.8 °C (-4.7), 2010
Maximum Temperature 12.4 °C (+1.9) 14:49 12.7 °C (+1.4) 16.5 °C (+6.0), 2016 7.2 °C (-3.3), 2010
Mean Temperature 9.1 °C (+1.1) 10.4 °C (+1.4) 14.9 °C, 2015 3.2 °C, 2010
Minimum Humidity 92% 16:05 72% 92%, 2014 66%, 2013
Maximum Humidity 98% 05:53 95% 98%, 2010 81%, 2016
Mean Humidity 96% 86% 96%, 2014 75%, 2013
Minimum Pressure 997 hPa 16:05 997 hPa 1030 hPa, 2013 993 hPa, 2022
Maximum Pressure 1001 hPa 00:30 1004 hPa 1033 hPa, 2013 1001 hPa, 2014
Mean Pressure 999 hPa 1000 hPa 1032 hPa, 2013 997 hPa, 2022
Mean Wind Speed 0.6 mph (-4.0) 4.8 mph (+0.2) 11.7 mph, 2015 0.0 mph, 2021
Maximum Wind Speed 5.9 mph 18:06 12.9 mph 25.9 mph, 2015 2.9 mph, 2021
Maximum Gust 7.1 mph 17:59 19.1 mph 34.2 mph, 2020 4.6 mph, 2021
Mean Wind Direction ESE
Rainfall 1.1 mm 56.8 mm (170%) 10.6 mm, 2020
Maximum Hourly Rain 0.9 mm 05:01 6.8 mm, 2009
Maximum 10-min Rain 0.9 mm 05:01 1.6 mm, 2020
Maximum Rain Rate 36 mm/h 04:57 36 mm/h, 2014
Minimum Dew Point 5.4 °C 00:46 5.2 °C 9.7 °C, 2016 -0.4 °C, 2013
Maximum Dew Point 11.6 °C 14:24 10.6 °C 13.1 °C, 2015 3.6 °C, 2013
Mean Dew Point 8.6 °C 8.1 °C 11.1 °C, 2015 1.1 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 5.8 °C 00:49 8.8 °C 13.9 °C, 2015 0.8 °C, 2010
Day Maximum (09-21) 12.4 °C 14:49 12.7 °C 16.5 °C, 2016 7.2 °C, 2010
Max 10m Temp Rise 0.3 °C 18:05 0.3 °C 1.2 °C, 2009 0.2 °C, 2015
Max 1hr Temp Rise 0.9 °C 08:14 1.2 °C 2.0 °C, 2009 0.6 °C, 2015
Max 1hr Hum Rise 3% 17:16 6% 14%, 2020 1%, 2016
Max 10m Temp Fall 0.4 °C 16:12 0.4 °C 1.2 °C, 2020 0.2 °C, 2015
Max 1hr Temp Fall 1.8 °C 16:54 1.2 °C 2.9 °C, 2020 0.5 °C, 2015
Max 1hr Hum Fall 3% 15:42 9% 14%, 2020 1%, 2016
Max 10m Wind Speed 4.3 mph 18:08 9.8 mph 19.2 mph, 2020 0.7 mph, 2021
Minimum Feels-like 4.7 °C 00:45 6.2 °C 14.4 °C, 2015 -1.0 °C, 2010
Maximum Feels-like 14.5 °C 14:10 14.0 °C 19.2 °C, 2016 7.2 °C, 2010
Mean Feels-like 9.8 °C 10.8 °C 16.7 °C, 2015 2.8 °C, 2019
Air-frost Hrs 0 hrs 0 hrs 0 hrs, 2009 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 6.6 °C (+1.6) 5.3 °C (+0.1) 6.7 °C (+1.7), 2013 2.5 °C (-2.5), 2015
Humidity Range 6% 23% 28%, 2020 2%, 2016
Pressure Range 4 hPa 8 hPa 14 hPa, 2010 2 hPa, 2021
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0.1 [1%]38 hrs (86%) [30%] 7.4 [93%], 2013 0 [0%], 2016
Wet Hours 1
[Mean rain rate: 1.1 mm/h]
39 hrs (124%) [11%] 7, 2020 0, 2010
Cloud Cover am: Overcast
pm: Mostly Cloudy
Events None
Comments 05 Shower
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 15th November 2014.
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