Daily Report for 14th February 2024

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 11.3 °C (+8.6) 00:19 6.9 °C (+4.0) 11.3 °C (+8.6), 2024 -1.5 °C (-4.2), 2009
Maximum Temperature 13.3 °C (+5.2) 14:09 11.4 °C (+3.5) 13.3 °C (+5.2), 2024 4.3 °C (-3.8), 2010
Mean Temperature 12.3 °C (+6.9) 9.3 °C (+3.7) 12.3 °C, 2024 2.2 °C, 2010
Minimum Humidity 91% 15:17 80% 91%, 2024 48%, 2009
Maximum Humidity 94% 08:37 94% 98%, 2013 78%, 2017
Mean Humidity 92% 88% 92%, 2024 68%, 2021
Minimum Pressure 1012 hPa 01:40 1006 hPa 1030 hPa, 2019 975 hPa, 2014
Maximum Pressure 1015 hPa 18:38 1014 hPa 1034 hPa, 2019 1000 hPa, 2014
Mean Pressure 1014 hPa 1010 hPa 1032 hPa, 2019 989 hPa, 2014
Mean Wind Speed 7.6 mph (+2.5) 6.9 mph (+1.8) 10.6 mph, 2014 1.0 mph, 2023
Maximum Wind Speed 16.7 mph 17:40 15.6 mph 35.5 mph, 2014 6.0 mph, 2023
Maximum Gust 24.2 mph 16:33 23.6 mph 49.7 mph, 2014 9.2 mph, 2023
Mean Wind Direction WSW
Rainfall 0.5 mm 33.7 mm (155%) 8.5 mm, 2014
Maximum Hourly Rain 0.5 mm 10:18 4.6 mm, 2014
Maximum 10-min Rain 0.3 mm 10:18 1.5 mm, 2014
Maximum Rain Rate 1.2 mm/h 10:18 18 mm/h, 2014
Minimum Dew Point 10.0 °C 00:19 5.2 °C 10.0 °C, 2024 -5.9 °C, 2016
Maximum Dew Point 11.9 °C 14:10 9.3 °C 11.9 °C, 2024 2.1 °C, 2009
Mean Dew Point 11.1 °C 7.3 °C 11.1 °C, 2024 -2.6 °C, 2021
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 11.3 °C 00:23 7.4 °C 11.3 °C, 2024 -1.5 °C, 2009
Day Maximum (09-21) 13.3 °C 14:10 11.3 °C 13.3 °C, 2024 4.3 °C, 2010
Max 10m Temp Rise 0.2 °C 11:23 0.3 °C 0.9 °C, 2019 0.2 °C, 2010
Max 1hr Temp Rise 0.5 °C 12:09 1.1 °C 3.2 °C, 2023 0.5 °C, 2024
Max 1hr Hum Rise 2% 22:39 4% 14%, 2021 2%, 2024
Max 10m Temp Fall 0.1 °C 14:45 0.4 °C 0.9 °C, 2022 0.1 °C, 2024
Max 1hr Temp Fall 0.4 °C 17:55 1.1 °C 3.0 °C, 2023 0.4 °C, 2017
Max 1hr Hum Fall 2% 12:27 6% 19%, 2014 2%, 2024
Max 10m Wind Speed 11.7 mph 14:16 11.5 mph 26.6 mph, 2014 5.0 mph, 2023
Minimum Feels-like 12.6 °C 00:00 4.4 °C 12.6 °C, 2024 -5.3 °C, 2021
Maximum Feels-like 15.5 °C 13:31 12.5 °C 15.5 °C, 2024 2.3 °C, 2021
Mean Feels-like 14.1 °C 8.9 °C 14.1 °C, 2024 -1.8 °C, 2021
Air-frost Hrs 0 hrs 0 hrs 6 hrs, 2009 0 hrs, 2010
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 2.0 °C (-3.3) 4.6 °C (-0.4) 12.7 °C (+7.4), 2019 2.0 °C (-3.3), 2024
Humidity Range 3% 14% 48%, 2009 3%, 2024
Pressure Range 3 hPa 8 hPa 25 hPa, 2014 3 hPa, 2024
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 0 [0%]22 hrs (58%) [18%] 8.9 [100%], 2019 0 [0%], 2014
Wet Hours 1
[Mean rain rate: 0.5 mm/h]
38 hrs (151%) [11%] 8, 2018 , 2009
Cloud Cover Overcast
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Pond Temperature (Heath) 7.4 °C
Notes
Detailed daily weather report for Hampstead nw3 in London on 14th February 2024.
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

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