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Daily Report for 6th August 2012

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MeasureValue (anomaly)TimeMonth cumul.Record HighRecord Low
Minimum Temperature15.1 °C (+0.7)02:4814.3 °C (-0.2)18.6 °C (+4.2), 202010.1 °C (-4.3), 2025
Maximum Temperature22.2 °C (-0.9)15:0121.8 °C (-1.5)31.6 °C (+8.5), 201819.9 °C (-3.2), 2011
Mean Temperature17.6 °C (-0.1)17.8 °C (-0.8)24.2 °C, 201815.2 °C, 2023
Minimum Humidity46%15:3148%65%, 202428%, 2018
Maximum Humidity88%06:3790%97%, 200975%, 2026
Mean Humidity72%71%84%, 200954%, 2026
Minimum Pressure1006 hPa01:481007 hPa1028 hPa, 2022997 hPa, 2021
Maximum Pressure1015 hPa23:481012 hPa1031 hPa, 20221002 hPa, 2021
Mean Pressure1009 hPa1010 hPa1029 hPa, 20221000 hPa, 2021
Mean Wind Speed4.8 mph (+0.8)5.5 mph (+1.5)7.8 mph, 20211.7 mph, 2022
Maximum Wind Speed14.3 mph15:5515.1 mph17.8 mph, 20216.7 mph, 2013
Maximum Gust20.4 mph16:0520.4 mph28.5 mph, 20219.8 mph, 2013
Mean Wind Directionn/aSWNNW, 2023N, 2022
Rainfall0.1 mm17.1 mm (164%)34.3 mm, 20090.0 mm, 2013
Maximum Hourly Rainn/a2.5 mm9.9 mm, 20090.4 mm, 2019
Maximum 10-min Rainn/a1.6 mm4.7 mm, 20090.4 mm, 2019
Maximum Rain Raten/a20 mm/h66 mm/h, 20097 mm/h, 2019
Minimum Dew Point9.6 °C15:519.6 °C14.2 °C, 20096.0 °C, 2026
Maximum Dew Point14.1 °C08:5714.7 °C19.4 °C, 200910.4 °C, 2026
Mean Dew Point12.1 °C12.2 °C16.9 °C, 20208.2 °C, 2026
MeasureValueTimeMonth cumul.Record HighRecord Low
Night Minimum (21-09)15.1 °C02:4914.3 °C18.9 °C, 202010.1 °C, 2025
Day Maximum (09-21)22.2 °C15:0221.8 °C31.6 °C, 201819.9 °C, 2011
Max 10m Temp Rise0.7 °C08:570.7 °C1.0 °C, 20100.4 °C, 2011
Max 1hr Temp Rise2.1 °C14:582.4 °C4.7 °C, 20181.7 °C, 2019
Max 1hr Hum Rise15%16:3111%19%, 20216%, 2017
Max 10m Temp Fall0.6 °C16:150.6 °C1.0 °C, 20210.3 °C, 2010
Max 1hr Temp Fall2.4 °C16:302.0 °C3.6 °C, 20201.3 °C, 2017
Max 1hr Hum Fall9%09:4212%21%, 20188%, 2009
Max 10m Wind Speed10.7 mph16:1210.6 mph14.9 mph, 20214.6 mph, 2022
Minimum Feels-like17.5 °C02:4516.6 °C22.3 °C, 202010.1 °C, 2025
Maximum Feels-like23.8 °C14:5824.3 °C34.4 °C, 201821.6 °C, 2011
Mean Feels-like19.9 °C20.2 °C27.6 °C, 202017.1 °C, 2023
Air-frost Hrs0 hrs0 hrs0 hrs, 20090 hrs, 2009
Minimum PM2.5n/a0.0 µg/m31.3 µg/m3, 20260.0 µg/m3, 2009
Maximum PM2.5n/a0.0 µg/m38.4 µg/m3, 20268.4 µg/m3, 2026
Mean PM2.5n/a0.0 µg/m33.1 µg/m3, 20263.1 µg/m3, 2026
MeasureValue (anomaly)Month cumul.Record HighRecord Low
Temperature Range7.1 °C (-1.6)7.5 °C16.8 °C, 20185.1 °C, 2011
Humidity Range42%42%64%, 201827%, 2011
Pressure Range9 hPa5 hPa9 hPa, 20112 hPa, 2010
ObservationDetail
Sun Hours4.5 hrs [33%]
Wet Hours0.3 hrs
Cloud Coveram: Mostly Cloudy transitioned to Partly Cloudy
pm: Mostly Cloudy
EventsThunder
Comments16-1630 L Sh w thunder (storm to north); 2030 L Sh
Observer Absent?No
Pond Temperature0.0 °C
Notes
Detailed daily weather report for Hampstead, NW3, London on 6th August 2012. Times of extremes use the midpoint of the longest continuous period at that value. Cumulative anomalies are relative to the expected value for the month-to-date. Sun and wet hours are derived from webcam/rainfall analysis and may be adjusted. Data should be viewed with appropriate caution.

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