Daily Report for 8th February 2013

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature -0.1 °C (-3.1) 07:38 1.9 °C (-1.1) 9.9 °C (+6.9), 2022 -3.2 °C (-6.2), 2012
Maximum Temperature 4.9 °C (-3.0) 14:01 6.8 °C (-1.1) 12.3 °C (+4.4), 2022 -1.2 °C (-9.1), 2021
Mean Temperature 2.5 °C (-3.0) 4.5 °C (-1.1) 11.0 °C, 2022 -1.8 °C, 2021
Minimum Humidity 64% 13:39 58% 88%, 2024 51%, 2023
Maximum Humidity 95% 03:27 90% 99%, 2024 82%, 2012
Mean Humidity 83% 74% 94%, 2024 72%, 2016
Minimum Pressure 1017 hPa 00:33 1005 hPa 1039 hPa, 2012 976 hPa, 2014
Maximum Pressure 1021 hPa 23:07 1018 hPa 1042 hPa, 2012 987 hPa, 2014
Mean Pressure 1019 hPa 1011 hPa 1040 hPa, 2012 978 hPa, 2014
Mean Wind Speed 4.1 mph (-1.0) 6.1 mph (+1.0) 13.2 mph, 2016 2.3 mph, 2017
Maximum Wind Speed 11.2 mph 22:47 15.6 mph 32.1 mph, 2019 7.9 mph, 2017
Maximum Gust 17.5 mph 22:37 22.2 mph 45.1 mph, 2014 10.5 mph, 2011
Mean Wind Direction NNW
Rainfall 0.5 mm 12.0 mm (93%) 17.3 mm, 2024
Maximum Hourly Rain n/a 2.7, 2024
Maximum 10-min Rain n/a 1.2, 2014
Maximum Rain Rate n/a 36, 2014
Minimum Dew Point -1.7 °C 12:55 -3.5 °C 6.2 °C, 2022 -8.3 °C, 2012
Maximum Dew Point 1.7 °C 18:52 3.9 °C 10.8 °C, 2024 -3.2 °C, 2012
Mean Dew Point -0.3 °C 0.1 °C 7.2 °C, 2022 -4.7 °C, 2012
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) -0.1 °C 07:38 2.6 °C 9.9 °C, 2022 -3.9 °C, 2012
Day Maximum (09-21) 4.9 °C 14:01 6.5 °C 12.3 °C, 2022 -1.2 °C, 2021
Max 10m Temp Rise 0.5 °C 10:54 0.4 °C 0.9 °C, 2024 0.2 °C, 2012
Max 1hr Temp Rise 1.7 °C 11:31 1.1 °C 2.6 °C, 2023 0.2 °C, 2010
Max 1hr Hum Rise 8% 16:40 9% 15%, 2023 2%, 2010
Max 10m Temp Fall 0.2 °C 14:17 0.5 °C 0.6 °C, 2009 0.2 °C, 2012
Max 1hr Temp Fall 0.8 °C 22:45 1.2 °C 1.7 °C, 2015 0.4 °C, 2012
Max 1hr Hum Fall 11% 11:41 11% 20%, 2014 2%, 2012
Max 10m Wind Speed 10.6 mph 23:59 11.3 mph 21.9 mph, 2016 6.0 mph, 2011
Minimum Feels-like -4.0 °C 08:11 -2.7 °C 6.6 °C, 2022 -10.6 °C, 2021
Maximum Feels-like 4.4 °C 16:07 6.1 °C 12.8 °C, 2024 -3.4 °C, 2021
Mean Feels-like 0.0 °C 1.6 °C 11.0 °C, 2022 -7.6 °C, 2021
Air-frost Hrs 0.4 hrs 0.1 hrs 24 hrs, 2021 0 hrs, 2011
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 5.0 °C (+0.1) 4.9 °C (-0.0) 10.2 °C (+5.3), 2023 1.4 °C (-3.5), 2021
Humidity Range 31% 32% 46%, 2023 9%, 2019
Pressure Range 4 hPa 12 hPa 25 hPa, 2024 2 hPa, 2022
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 4.5 [53%]24 hrs (115%) [36%] 8 [94%], 2023 0 [0%], 2010
Wet Hours 1
[Mean rain rate: 0.5 mm/h]
16 hrs (108%) [8.3%] 15, 2024 , 2009
Cloud Cover am: Mostly Sunny
pm: Mostly Sunny transitioned to Overcast
Events Air Frost
Comments 16-19 Light Showers
Extra Comments 09z tip was delayed from yesterday
Issues None known
Observer Absent? No
Pond Temperature (Heath) 0.0 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 8th February 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

day graph

Webcam Summary of Cloud Conditions

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Wind rose