Daily Report for 2nd July 2022

Measure	Value (anomaly)	Time	Month cumul.	Record High	Record Low
Minimum Temperature	12.5 °C (-0.8)	04:46	12.2 °C (-1.0)	19.3 °C (+6.0), 2010	9.8 °C (-3.5), 2014
Maximum Temperature	21.6 °C (-0.7)	14:37	21.4 °C (-0.9)	29.5 °C (+7.2), 2009	18.0 °C (-4.3), 2013
Mean Temperature	17.2 °C (-0.7)		16.7 °C (-0.9)	22.6 °C, 2018	15.3 °C, 2012
Minimum Humidity	54%	14:50	54%	63%, 2020	27%, 2018
Maximum Humidity	88%	04:50	89%	93%, 2012	63%, 2018
Mean Humidity	72%		73%	81%, 2020	43%, 2018
Minimum Pressure	1018 hPa	18:18	1016 hPa	1025 hPa, 2019	1003 hPa, 2013
Maximum Pressure	1021 hPa	00:12	1021 hPa	1029 hPa, 2026	1014 hPa, 2023
Mean Pressure	1020 hPa		1019 hPa	1026 hPa, 2019	1011 hPa, 2013
Mean Wind Speed	6.6 mph (+2.3)		5.2 mph (+1.0)	9.2 mph, 2016	2.1 mph, 2014
Maximum Wind Speed	16.3 mph	08:59	13.8 mph	21.6 mph, 2016	8.1 mph, 2011
Maximum Gust	24.0 mph	09:23	21.7 mph	37.1 mph, 2016	11.4 mph, 2011
Mean Wind Direction	n/a		WSW	N, 2019	NNE, 2025
Rainfall	0.5 mm		1.0 mm (34%)	5.9 mm, 2020	0.0 mm, 2009
Maximum Hourly Rain	0.5 mm	21:54	0.4 mm	1.8 mm, 2020	0.2 mm, 2016
Maximum 10-min Rain	0.3 mm	21:54	0.3 mm	1.4 mm, 2020	0.2 mm, 2016
Maximum Rain Rate	0.7 mm/h	21:54	0.3 mm/h	24 mm/h, 2020	0.2 mm/h, 2025
Minimum Dew Point	10.5 °C	04:13	10.3 °C	12.1 °C, 2009	4.1 °C, 2025
Maximum Dew Point	13.3 °C	20:33	13.4 °C	18.8 °C, 2009	9.9 °C, 2016
Mean Dew Point	11.8 °C		11.6 °C	15.5 °C, 2009	7.2 °C, 2016
Measure	Value	Time	Month cumul.	Record High	Record Low
Night Minimum (21-09)	12.5 °C	04:46	12.2 °C	19.3 °C, 2010	9.8 °C, 2014
Day Maximum (09-21)	21.6 °C	14:38	21.4 °C	29.5 °C, 2009	18.0 °C, 2013
Max 10m Temp Rise	0.5 °C	06:12	0.6 °C	0.9 °C, 2009	0.5 °C, 2010
Max 1hr Temp Rise	2.1 °C	06:57	2.3 °C	3.4 °C, 2009	1.4 °C, 2024
Max 1hr Hum Rise	11%	21:04	12%	22%, 2020	3%, 2010
Max 10m Temp Fall	1.3 °C	20:42	1.1 °C	1.6 °C, 2020	0.3 °C, 2010
Max 1hr Temp Fall	2.9 °C	21:21	2.6 °C	4.0 °C, 2020	1.0 °C, 2013
Max 1hr Hum Fall	10%	08:53	11%	25%, 2025	3%, 2010
Max 10m Wind Speed	12.6 mph	14:56	10.6 mph	16.8 mph, 2016	5.4 mph, 2011
Minimum Feels-like	14.1 °C	04:46	13.8 °C	21.2 °C, 2010	10.0 °C, 2014
Maximum Feels-like	24.1 °C	14:36	23.8 °C	30.7 °C, 2010	18.6 °C, 2013
Mean Feels-like	19.3 °C		18.8 °C	25.8 °C, 2010	15.6 °C, 2016
Air-frost Hrs	0 hrs		0 hrs	0 hrs, 2009	0 hrs, 2009
Minimum PM2.5	n/a		0.0 µg/m³	3.4 µg/m³, 2026	0.0 µg/m³, 2009
Maximum PM2.5	n/a		0.0 µg/m³	3.5 µg/m³, 2026	3.5 µg/m³, 2026
Mean PM2.5	n/a		0.0 µg/m³	3.5 µg/m³, 2026	3.5 µg/m³, 2026
Measure	Value (anomaly)		Month cumul.	Record High	Record Low
Temperature Range	9.1 °C (+0.0)		9.1 °C	14.8 °C, 2014	5.2 °C, 2013
Humidity Range	34%		36%	56%, 2025	10%, 2010
Pressure Range	3 hPa		5 hPa	12 hPa, 2013	2 hPa, 2014

Observation	Detail
Sun Hours	4 hrs [27%]
Wet Hours	1 hrs
Cloud Cover	unknown
Events	None
Comments	"""""""""""""""late sh"""""""""""""""
Observer Absent?	Yes - observations may be unreliable
Pond Temperature	20.0 °C

Notes: Detailed daily weather report for Hampstead, NW3, London on 2nd July 2022. 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

Wind direction

Air pollution

Wind rose

Webcam Summary of Cloud Conditions

Full resolution images at up-to 5 minute intervals