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Daily Report for 2nd February 2025

Measure	Value (anomaly)	Time	Month cumul.	Record High	Record Low
Minimum Temperature	-1.6 °C (-4.6)	08:08	0.2 °C (-2.7)	10.3 °C (+7.3), 2017	-3.1 °C (-6.1), 2009
Maximum Temperature	7.5 °C (-0.4)	14:57	6.8 °C (-1.1)	13.0 °C (+5.1), 2020	0.2 °C (-7.7), 2009
Mean Temperature	2.9 °C (-2.5)		3.9 °C (-1.9)	10.9 °C, 2017	-1.4 °C, 2009
Minimum Humidity	74%	14:41	78%	87%, 2009	41%, 2012
Maximum Humidity	97%	09:44	94%	98%, 2011	65%, 2012
Mean Humidity	88%		87%	93%, 2010	54%, 2012
Minimum Pressure	1022 hPa	15:03	1024 hPa	1035 hPa, 2012	991 hPa, 2009
Maximum Pressure	1027 hPa	21:38	1029 hPa	1038 hPa, 2012	1000 hPa, 2026
Mean Pressure	1024 hPa		1027 hPa	1036 hPa, 2012	996 hPa, 2021
Mean Wind Speed	2.5 mph (-2.6)		3.0 mph (-2.0)	10.1 mph, 2024	2.5 mph, 2025
Maximum Wind Speed	8.8 mph	10:54	9.1 mph	21.5 mph, 2016	8.7 mph, 2015
Maximum Gust	11.5 mph	09:57	12.1 mph	33.4 mph, 2020	10.9 mph, 2015
Mean Wind Direction	n/a		SSW	NNW, 2019	ENE, 2012
Rainfall	0.0 mm		0.0 mm (0%)	10.0 mm, 2009	0.0 mm, 2012
Maximum Hourly Rain	0.0 mm		0.0 mm	2.9 mm, 2021	0.0 mm, 2025
Maximum 10-min Rain	0.0 mm		0.0 mm	0.8 mm, 2021	0.0 mm, 2025
Maximum Rain Rate	n/a		0 mm/h	18 mm/h, 2020	1.4 mm/h, 2010
Minimum Dew Point	-2.4 °C	08:08	-0.9 °C	6.9 °C, 2017	-11.5 °C, 2012
Maximum Dew Point	3.7 °C	13:40	4.2 °C	10.3 °C, 2020	-7.9 °C, 2012
Mean Dew Point	1.0 °C		2.0 °C	7.8 °C, 2017	-9.7 °C, 2012
Measure	Value	Time	Month cumul.	Record High	Record Low
Night Minimum (21-09)	-1.6 °C	08:08	1.7 °C	10.3 °C, 2017	-3.1 °C, 2009
Day Maximum (09-21)	7.5 °C	15:10	6.7 °C	13.0 °C, 2020	0.2 °C, 2009
Max 10m Temp Rise	0.9 °C	09:51	0.6 °C	0.9 °C, 2025	0.2 °C, 2016
Max 1hr Temp Rise	3.0 °C	10:16	1.7 °C	3.0 °C, 2025	0.7 °C, 2016
Max 1hr Hum Rise	5%	19:06	4%	8%, 2012	3%, 2019
Max 10m Temp Fall	0.4 °C	21:26	0.3 °C	0.5 °C, 2010	0.2 °C, 2011
Max 1hr Temp Fall	1.6 °C	01:03	1.2 °C	1.8 °C, 2010	0.6 °C, 2015
Max 1hr Hum Fall	8%	11:01	6%	13%, 2016	3%, 2017
Max 10m Wind Speed	6.4 mph	10:58	6.6 mph	16.0 mph, 2016	6.1 mph, 2015
Minimum Feels-like	-4.8 °C	05:51	-3.1 °C	10.3 °C, 2017	-8.7 °C, 2012
Maximum Feels-like	7.1 °C	16:19	6.6 °C	14.0 °C, 2024	-1.8 °C, 2012
Mean Feels-like	1.6 °C		2.2 °C	11.3 °C, 2017	-5.6 °C, 2012
Air-frost Hrs	6 hrs		3 hrs	18 hrs, 2012	0 hrs, 2010
Minimum PM2.5	n/a		0.0 µg/m³	0.0 µg/m³, 2009	0.0 µg/m³, 2009
Maximum PM2.5	n/a		0.0 µg/m³	n/a	n/a
Mean PM2.5	n/a		0.0 µg/m³	n/a	n/a
Measure	Value (anomaly)		Month cumul.	Record High	Record Low
Temperature Range	9.1 °C (+4.2)		6.5 °C	9.1 °C, 2025	1.3 °C, 2017
Humidity Range	23%		16%	33%, 2013	7%, 2017
Pressure Range	4 hPa		5 hPa	22 hPa, 2013	2 hPa, 2015

Observation	Detail
Sun Hours	8.3 hrs [101%]
Wet Hours	0 hrs
Cloud Cover	Sunny
Events	Air Frost
Comments	-
Observer Absent?	Yes - observations may be unreliable
Pond Temperature	3.0 °C

Notes: Detailed daily weather report for Hampstead, NW3, London on 2nd February 2025. 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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Daily Graph of Conditions

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Air pollution

Wind rose

Webcam Summary of Cloud Conditions

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