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City of London 1859

[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 1860, from, Observations made at the Engineer s Office, Guildhall, under 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 1860, from, Observations made at the Engineer s Office, Guildhall, under the direction of Mr. Haywood.

MONTHS. 1859-60.	Barometer.			Dry Thermometer.				Wet Thermometer or Hygrometer.						Rain Gauges.
	Mean Pressure.	Highest Pressure.	Lowest Pressure.	Mean Temperature.	Highest Temperature.	Lowest Temperature.	Mean Daily Range.	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 Pressure.	Mean Temperature.	Highest Temperature.	Lowest Temperature.	Mean Daily Range.	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 Roof.	On Grnd.
	Inches.	Inches.	Inches.	Deg.	Deg.	Deg.	Deg.	Deg.	Deg.	Deg.	Deg.	Grns.	Grns.	Ins.	Ins.	Ins.	Ins.	Ins.	Ins.
October	29.650	30.224	29.210	52.9	75.5	30.8	9.5	51.2	52.9	49.3	0.87	3.9	0.6	2.54	2.78	0.68	0.74	0.03	0.03
November	29.928	30.758	28.842	44.2	58.1	30.3	9.8	42.5	44.2	40.0	0.84	2.8	0.5	2.54	2.73	0.87	0.93	0.03	0.03
December	29.753	30.784	28.784	39.4	56.3	20.9	8.9	38.6	39.4	37.9	0.95	2.3	0.2	1.89	1.98	0.47	0.49	0.01	0.01
January	29.623	30.310	28.720	41.5	56.5	32.3	8.2	40.3	41.5	38.7	0.91	2.7	0.3	1.61	1.74	0.22	0.26	0.01	0.01
February	30.003	30.608	29.222	37.0	51.8	25.8	9.5	35.5	37.0	33.4	0.87	2.2	0.4	0.93	0.95	0.39	0.39	0.01	0.01
March	29.797	30.580	28.954	42.2	58.2	29.2	11.8	40.4	42.2	38.2	0.86	2.7	0.5	1.31	1.34	0.39	0.39	0.01	0.01
April	29.920	30.470	29.110	43.4	60.6	34.4	13.0	40.5	43.4	37.1	0.78	2.5	0.7	1.36	1.46	0.30	0.33	0.01	0.01
May	29.671	30.410	29.400	54.8	72.7	39.9	13.7	52.8	54.8	51.1	0.87	4.2	0.7	2.43	2.58	1.10	1.12	0.01	0.01
June	29.758	30.254	29.244	53.4	69.5	47.5	18.8	51.2	53.4	49.0	0.86	3.9	0.6	5.38	5.84	0.79	0.84	0.02	0.02
July	29.958	30.438	29.710	58.1	72.0	49.4	12.3	56.7	58.1	55.5	0.91	4.9	0.5	1.48	1.67	0.49	0.55	0.03	0.03
August	29.660	30.124	29.372	57.8	68.6	49.9	10.9	56.5	57.8	55.3	0.92	4.7	0.3	4.16	4.56	0.56	0.59	0.03	0.03
September	29.877	30.428	29.484	54.5	66.9	42.9	11.8	51.7	54.5	48.9	0.81	3.9	0.9	2.65	2.86	0.81	0.83	0.01	0.01

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Barometer.—The highest readings were on October 3, November 11, December 10, January 9, February 14, March 6, April 30, May 21, June 30,
July 2, August 1, September 6. The lowest readings were on October 26, November 1, December 26, January 24, February 27, March 31,
April 2, May 26, June 2, July 19, August 30, September 19.
Temperature.—The highest were October 4, November 6, December 31, January 1, February 28, March 29, April 30, May 23, June 23, July 4,
August 4, September 8. The lowest were on October 25, November 15, December 19, January 28, February 14, March 12, April 23, May 7,
June 11, July 5, August 7, September 26.
Rain.—The greatest fall on October 26, November 28, December 26, January 21, February 6, March 5, April 2, May 14, June 18, July 24,
August 11, September 25. The least fall on October 20, November 1, December 20, January 17, February 20, March 19, April 13, May 31,
June 23, July 16, August 8, September 14.
Electricity.—Positive generally throughout the year. WILLIAM HAYWOOD.

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City of London 1859

Table: No. VI.—Meteorology of the City of London for each Month in the Year, ending in September 1860, from, Observations made at the Engineer s Office, Guildhall, under the direction of Mr. Haywood.

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