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City of London 1860

[Report of the Medical Officer of Health for London, City of ]

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Table: No. VI.—.Meteorology of the City of London for each Month in the Year ending in September 1861 from Observations made at the Engineer's Office, Guildhall, wider the direction of Mr. Haywood.

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No. VI.—.Meteorology of the City of London for each Month in the Year ending in September 1861 from Observations made at the Engineer's Office, Guildhall, wider the direction of Mr. Haywood.

MONTHS. 1860-61.	Barometer.			Dry Thermometer.				Wet Thermometer or Hygrometer.						Rain Gauges.
	Mean Pressure.	Highest Pressure.	Lowest Treasure.	Mean Temperature.	Highest Temperature.	Lowest Temperature.	Mean Daily Kange.	Mean Temperature.		Dew Point.	Degree of Humidity.	Weight of vapour in cubic foot of air.	Vapour required to saturate ditto.	Total Fall.		Greatest Fall.		Lowest Fall.
	Mean Pressure.	Highest Pressure.	Lowest Treasure.	Mean Temperature.	Highest Temperature.	Lowest Temperature.	Mean Daily Kange.	Wet Bulb.	Dry Bulb.	Dew Point.	Degree of Humidity.	Weight of vapour in cubic foot of air.	Vapour required to saturate ditto.	On Roof.	On Grnd.	On Roof.	On Grnd.	On Eoof.	On Grnd.
	Inches.	Inches.	Inches.	Deg.	Deg.	Deg.	Deg.	Deg.	Deg.	Deg.	Deg.	Grns.	Grns.	Ins.	Ins.	Ins.	Ins.	Ins.	Ins.
October	29.971	30.444	29.476	51.9	61.8	35.8	9.8	49.3	51.9	46.3	080	3.6	0.9	1.40	1.53	0.35	0.38	0.01	0.01
November	29.773	30.498	29.236	42.8	52.3	36.4	7.9	41.5	42.8	40.0	0.90	2.9	0.3	2.08	2.24	0.42	0.44	0.01	0.01
December	29.602	30.326	28.788	38.7	53.5	14.5	6.8	38.2	38.7	36.2	0.88	2.5	0.3	—	2 .14	0.75	0.98	0.01	0.01
January	30.091	30.466	29.122	35.0	52.6	21.8	8.1	34.4	35.0	330	0.91	2.1	0 3	0.40	0.45	0.15	0.16	0.01	o.oi
February	29724	30.692	29.294	43.4	53.0	28.5	7.8	42.3	43.4	40.5	0.87	2.9	0.4	1.53	1.58	0.64	0.64	0.01	0.01
March.	29.705	30.436	29.940	44.1	56.4	35.0	10.7	41.3	44.1	38.4	0.81	2. 7	0.6	1.94	2.07	0.30	0.31	o.oi	0.01
April	30 078	30.584	29.678	45.5	68.1	36.2	14.7	42.4	45.5	39.6	0.90	3.0	0.3	1.21	1.30	0.41	0.45	0.02	0.02
May	29.998	30.424	29.560	52.2	73.4	38.4	12.3	49.4	52.2	46.6	0.81	3.6	1.0	1.13	1.26	0.52	0.56	0.01	0.01
June	29.864	30.266	29.632	58.6	82.0	48.5	11.9	56.0	58.6	53.7	0.83	4.6	0.9	2.32	2.49	0.53	0.56	o.o1	0.01
July	29.679	30.214	29.332	61.3	75.6	53.9	15.2	56.9	61.3	53.1	0 75	4.5	1.6	2.20	2.47	0.29	0.33	0.02	0.03
August	29.719	30.342	29.696	63.2	85.0	50.4	15.0	58.4	63.2	54.4	0.73	4.7	1.7	0.60	0.69	017	0.21	o.oi	0.01
September	29.796	30.216	29.686	58.0	77.0	48.1	8.3	54.6	58.0	51.5	0.79	4.3	1.1	1.44	1.63	0.41	0.46	0 .01	0.01

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Barometer.—The highest readings were on October 4, November 7, December 29, January 21, February 2, March 9, April 9, May 21, June 12,
July 1, August 31, September 18. The lowest readings were on October 11, November 17, December 8, January 1, February 21, March 19,
April 2, May 11, June 26, July 5, August 8, September 21.
Temperature.—The highest were on October 25, November 1, December 6, January 25, February 17, March 8, April 16, May 16, June 15, July 1,
August 12, September 2. The lowest were on October 12, November 19, December 26, January 8, February 12, March 18, April 2, May 6,
June 6, July 27, August 30, September 12.
Rain.—The greatest fall on October 11, November 22, December 31, January 1, February 25, March 21, April 29, May 11, June 21, July 5,
August 9, September 23. The least fall on October 24, November 29, December 22, January 23, February 19, March 20, April 24, May 28,
June 6, July 6, August 23, September 20.
Electricity.—Positive generally throughout the year. WILLIAM HAYWOOD.

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City of London 1860

Table: No. VI.—.Meteorology of the City of London for each Month in the Year ending in September 1861 from Observations made at the Engineer's Office, Guildhall, wider the direction of Mr. Haywood.

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