[Report of the Medical Officer of Health for London, City of ] page 15

City of London 1962

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

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Note: A — Golden Lane. B — Guildhall from 1st June 1958.
(a) average for 7 months. (b) average for 10 months.

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TABLE I —Results obtained in 1962 of the monthly observations of rainfall and deposited matter by means of the deposit gauges.

MONTH	Rainfall collected in deposit gauge				DEPOSITS
	Equivalent to				Insoluble		Soluble		Total
	Millimetres	inches of rain	Millimetres	inches of rain	Tons per square mile
	STATIONS (see note below)
	A		B		A	B	A	B	A	B
January	92	3.61	76	2.98	59.08	17.79	20.38	12.42	79.46	30.20
February	8	0.31	10	0.38	5.74	21.38	4.98	6.28	10.72	27.65
March	39	1.53	39	1.52	6.11	18.36	9.39	9.13	15.50	27.49
April	37	1.48	38	1.52	1.23	14.63	6.37	7.01	7.80	21.65
May	27	1.08	33	1.31	0.46	15.20	8.86	7.28	9.33	22.49
June	6	0.25	7	0.27	12.18	8.42	3.52	4.06	15.70	12.48
July	66	2.60	65	2.57	11.78	12.18	7.33	7.85	19.12	20.03
August	40	1.57	38	1.52	18.65	9.09	7.24	6.41	25.89	15.50
September	84	3.31	73	2.87	25.06	10.37	8.23	7.28	33.29	17.65
October	40	1.56	36	1.40	13.84	12.25	9.03	10.34	22.87	22.59
November	32	1.27	36	1.41	8.41	12.08	11.23	11.75	19.64	23.83
December	42	1.66	32	1.26	15.10	18.76	17.32	12.01	32.42	30.77
Averages: 1962	43	1.69	40	1.58	14.80	14.21	9.51	8.49	24.31	22.69
1961	42(b)	1.66(b)	44	1.71	14.02(b)	15.08	9.05(b)	7.80	23.05(b)	22.88
1960	62	2.46 1	63	2.49	14.58	12.39	7.55	8.15	22.13	20.55
1959	41	1.60	44(b)	1.72(b)	19.81	14.1(b)	8.16	19.00(b)	29.64	23.80(b)
1958	62	2.44	66(a)	2.58(a)	18.88	16.39(a)	7.39	12.06(a)	26.27	28.45(a)
1957	42	1.66	—	—	14.56	—	7.17	—	21.73	—
1957-1961	50	1.96	54	2.13	16.37	14.67	7.86	11.75	24.56	23.92

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(a) Average for 10 months.
15

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TABLE II—Results obtained in1962of the dailyobservations ofthe concentration ofSMOKEby the volumetric method.

MONTH	Rainfall collected in deposit			POLICE STATIONS
	gauge at Golden Lane		Golden Lane	Bishops gate	Cloak Lane	Snow Hill
	Equivalent to		Monthly Average	Monthly Average	Monthly Average	Monthly Average
	Millimetres	inches of rain	Micrograms per cubic metre	Micrograms per cubic metre	Micrograms per cubic metre	Micrograms per cubic metre
January	92	3.61	114	255	122	90
February	8	0.31	99	214	101	83
March	39	1.53	101	303	109	95
April	37	1.48	76	214	79	64
May	27	1.08	55	165	77	49
June	6	0.25	33	139	65	39
July	66	2.60	38	154	67	43
August	40	1.57	30	176	54	34
September	84	3.31	48	258	69	54
October	40	1.56	97	405	124	99
November	32	1.27	145	123	161	113
December	42	1.66	175	192	240	163
Averages: 1962 43 1.69 84 217 106 77
1961	42(a)	1.66(a)	90	200	100	80
I960	62	2.46	100	160	130	60
1959	41	1.60	100	200	180	90
1958	62	2.44	90	200	160	70
1957	42	1:66	90	250	150	70
1957-1961	50	1.96	94	202	144	74