Daily Report for 3rd October 2025

Measure	Value (anomaly)	Time	Month cumul.	Record High	Record Low
Minimum Temperature	14.1 °C (+4.2)	07:22	10.6 °C (+0.6)	16.2 °C (+6.3), 2011	3.1 °C (-6.8), 2019
Maximum Temperature	17.8 °C (+1.2)	20:31	18.2 °C (+1.6)	25.3 °C (+8.8), 2011	13.3 °C (-3.2), 2019
Mean Temperature	16.0 °C (+2.7)		14.7 °C (+1.1)	19.9 °C, 2011	8.7 °C, 2019
Minimum Humidity	75%	01:07	67%	89%, 2013	35%, 2011
Maximum Humidity	93%	22:19	93%	98%, 2010	78%, 2011
Mean Humidity	87%		83%	94%, 2013	59%, 2011
Minimum Pressure	997 hPa	23:48	1014 hPa	1030 hPa, 2026	983 hPa, 2020
Maximum Pressure	1018 hPa	00:07	1025 hPa	1032 hPa, 2026	990 hPa, 2020
Mean Pressure	1009 hPa		1020 hPa	1031 hPa, 2026	987 hPa, 2020
Mean Wind Speed	8.3 mph (+4.2)		4.9 mph (+0.8)	8.3 mph, 2025	0.8 mph, 2015
Maximum Wind Speed	20.4 mph	20:09	13.9 mph	20.4 mph, 2025	5.6 mph, 2015
Maximum Gust	34.6 mph	20:10	22.7 mph	34.6 mph, 2025	8.1 mph, 2015
Mean Wind Direction	233° [SW]		WSW	NNW, 2015	ENE, 2024
Rainfall	12.0 mm		12.0 mm (191%)	34.0 mm, 2020	0.0 mm, 2011
Maximum Hourly Rain	2.8 mm	22:14	2.8 mm	7.7 mm, 2012	0.3 mm, 2021
Maximum 10-min Rain	1.2 mm	21:53	1.2 mm	5.4 mm, 2012	0.2 mm, 2019
Maximum Rain Rate	14 mm/h	05:49	14 mm/h	76 mm/h, 2012	0.9 mm/h, 2013
Minimum Dew Point	11.6 °C	04:23	8.6 °C	12.7 °C, 2013	2.1 °C, 2019
Maximum Dew Point	16.2 °C	22:19	14.0 °C	17.3 °C, 2023	8.8 °C, 2017
Mean Dew Point	13.9 °C		11.6 °C	14.7 °C, 2013	5.4 °C, 2016
Measure	Value	Time	Month cumul.	Record High	Record Low
Night Minimum (21-09)	14.1 °C	07:22	10.6 °C	16.2 °C, 2011	3.1 °C, 2019
Day Maximum (09-21)	17.8 °C	20:21	18.2 °C	25.3 °C, 2011	13.3 °C, 2019
Max 10m Temp Rise	0.3 °C	18:14	0.4 °C	1.0 °C, 2022	0.3 °C, 2020
Max 1hr Temp Rise	1.1 °C	18:54	1.6 °C	3.5 °C, 2016	0.9 °C, 2020
Max 1hr Hum Rise	8%	06:30	6%	13%, 2011	2%, 2013
Max 10m Temp Fall	0.4 °C	05:57	0.4 °C	1.4 °C, 2012	0.2 °C, 2010
Max 1hr Temp Fall	1.1 °C	16:56	1.2 °C	3.5 °C, 2023	0.7 °C, 2013
Max 1hr Hum Fall	3%	16:34	6%	19%, 2019	3%, 2025
Max 10m Wind Speed	15.1 mph	19:55	10.3 mph	15.1 mph, 2025	4.2 mph, 2015
Minimum Feels-like	16.4 °C	07:01	11.1 °C	17.9 °C, 2011	0.2 °C, 2019
Maximum Feels-like	22.5 °C	20:38	21.4 °C	27.0 °C, 2011	13.6 °C, 2009
Mean Feels-like	19.4 °C		16.8 °C	21.8 °C, 2011	8.9 °C, 2019
Air-frost Hrs	0 hrs		0 hrs	0 hrs, 2009	0 hrs, 2009
Minimum PM2.5	n/a		n/a	1.8 µg/m³, 2026	1.8 µg/m³, 2026
Maximum PM2.5	n/a		n/a	39.9 µg/m³, 2026	39.9 µg/m³, 2026
Mean PM2.5	n/a		n/a	6.3 µg/m³, 2026	6.3 µg/m³, 2026
Measure	Value (anomaly)		Month cumul.	Record High	Record Low
Temperature Range	3.7 °C (-2.9)		7.7 °C	11.8 °C, 2016	3.5 °C, 2020
Humidity Range	18%		25%	43%, 2011	9%, 2013
Pressure Range	21 hPa		11 hPa	21 hPa, 2025	2 hPa, 2026

Observation	Detail
Sun Hours	0 hrs [0%]
Wet Hours	12 hrs
Cloud Cover	Overcast
Events	None
Comments	rn
Observer Absent?	Yes - observations may be unreliable
Pond Temperature	13.0 °C

Notes: Detailed daily weather report for Hampstead, NW3, London on 3rd October 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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Sunshine Tracker

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