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Daily Report for 28th July 2010

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MeasureValue (anomaly)TimeMonth cumul.Record HighRecord Low
Minimum Temperature15.4 °C (+0.7)06:1615.3 °C (+1.1)16.9 °C (+2.2), 201811.6 °C (-3.1), 2024
Maximum Temperature23.6 °C (+0.3)14:3424.5 °C (+1.5)29.5 °C (+6.2), 202619.1 °C (-4.2), 2015
Mean Temperature19.5 °C (+0.5)19.6 °C (+1.3)23.8 °C, 202616.1 °C, 2015
Minimum Humidity39%16:5245%65%, 202134%, 2012
Maximum Humidity81%03:4481%93%, 202468%, 2012
Mean Humidity61%63%83%, 202151%, 2012
Minimum Pressure1015 hPa16:031013 hPa1022 hPa, 20241002 hPa, 2013
Maximum Pressure1018 hPa05:201018 hPa1028 hPa, 20241008 hPa, 2013
Mean Pressure1016 hPa1016 hPa1026 hPa, 20241006 hPa, 2015
Mean Wind Speed4.7 mph (+0.4)4.9 mph (+0.6)10.0 mph, 20180.9 mph, 2024
Maximum Wind Speed13.1 mph11.9 mph21.4 mph, 20186.7 mph, 2011
Maximum Gust17.4 mph14:5417.4 mph39.2 mph, 201810.0 mph, 2011
Mean Wind Directionn/aWSWNNW, 2025NNE, 2011
Rainfall0.0 mm12.5 mm (30%)10.8 mm, 20210.0 mm, 2009
Maximum Hourly Rainn/a0.2 mm7.7 mm, 20210.5 mm, 2015
Maximum 10-min Rainn/a0.2 mm2.6 mm, 20210.4 mm, 2015
Maximum Rain Raten/a2.4 mm/h30 mm/h, 20212.2 mm/h, 2015
Minimum Dew Point7.9 °C17:148.8 °C14.5 °C, 20232.3 °C, 2012
Maximum Dew Point15.2 °C00:5214.6 °C17.7 °C, 202610.0 °C, 2012
Mean Dew Point11.3 °C11.9 °C16.3 °C, 20266.9 °C, 2012
MeasureValueTimeMonth cumul.Record HighRecord Low
Night Minimum (21-09)15.4 °C15.5 °C17.2 °C, 201811.6 °C, 2024
Day Maximum (09-21)23.6 °C24.5 °C29.5 °C, 202619.1 °C, 2015
Max 10m Temp Rise0.8 °C07:370.6 °C1.1 °C, 20090.5 °C, 2011
Max 1hr Temp Rise3.4 °C07:462.3 °C4.3 °C, 20241.4 °C, 2015
Max 1hr Hum Rise14%20:538%25%, 20216%, 2009
Max 10m Temp Fall0.5 °C14:530.5 °C2.2 °C, 20210.4 °C, 2009
Max 1hr Temp Fall2.1 °C21:041.8 °C4.7 °C, 20211.4 °C, 2016
Max 1hr Hum Fall13%08:0610%16%, 20187%, 2019
Max 10m Wind Speed7.9 mph12:010.3 mph18.6 mph, 20184.7 mph, 2024
Minimum Feels-like17.3 °C23:5517.0 °C20.1 °C, 202312.9 °C, 2024
Maximum Feels-like25.1 °C12:5627.3 °C34.8 °C, 202619.5 °C, 2015
Mean Feels-like21.5 °C22.0 °C28.6 °C, 202616.8 °C, 2015
Air-frost Hrs0 hrs0 hrs0 hrs, 20090 hrs, 2009
Minimum PM2.5n/a0.0 µg/m33.3 µg/m3, 20260.0 µg/m3, 2009
Maximum PM2.5n/a0.0 µg/m314.0 µg/m3, 202614.0 µg/m3, 2026
Mean PM2.5n/a0.0 µg/m36.5 µg/m3, 20266.5 µg/m3, 2026
MeasureValue (anomaly)Month cumul.Record HighRecord Low
Temperature Range8.2 °C (-0.3)9.2 °C15.0 °C, 20245.4 °C, 2015
Humidity Range42%36%48%, 201825%, 2021
Pressure Range3 hPa5 hPa11 hPa, 20202 hPa, 2011
ObservationDetail
Sun Hours8 hrs [56%]
Wet Hours0 hrs
Cloud Coveram: Sunny transitioned to Partly Cloudy
pm: Partly Cloudy transitioned to Mostly Cloudy
EventsNone
Comments-
Observer Absent?No
Pond Temperature0.0 °C
Notes
Detailed daily weather report for Hampstead, NW3, London on 28th July 2010. 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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