[Report of the Medical Officer of Health for Lewisham Borough] page 22

Lewisham 1964

[Report of the Medical Officer of Health for Lewisham Borough]

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Table: Atmospheric Condition 1964 Table 9

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Atmospheric Condition 1964 Table 9

	January	February	March	April	May	June	July	August	September	October	November	December	Average or actual (as applic.)
Temperature—
Mean maximum1 °C	5.8	7.5	7.4	12.6	19.1	19.4	22.8	21.6	20.3	13.3	11.0	6.7	14.0
Mean minimum1 °C	2.3	3.3	3.1	6.2	10.4	11.4	13.9	12.8	10.7	5.9	6.7	3.0	7.5
Mean1 ºC	4.1	5.4	5.3	9.4	14.7	15.4	18.3	17.2	15.5	9.6	8.9	4.9	10.7
Diff. from average1 ºC	—0.2	+0.8	—1.4	00	+2.2	-0.5	+0.7	-0.1	+ 0.6	—1.5	+ 1.2	—0.5	+ 0.2
Highest maximum2 ºC	90	12.0	13.0	21.0	25.0	27.0	27.0	28.0	26.0	19.0	15.0	13.0	28.0
Lowest minimum2 °C	—3.0	—3.0	—2.0	0.0	8.0	7.0	11.0	9.0	8.0	2.0	—2.0	—5.0	—5.0
Rainfall—
Total2 in.	0.67	0.59	2.75	2.60	3.6	307	0.75	1.54	1 . 54	1 . 57	1.46	1.14	21 . 3
Percent of average1	25	45	225	175	94	225	80	82	21	54	54	65	95
Sunshine1
Daily mean hrs.	1. 20	2.22	2.27	4.31	6.71	5.73	7.24	7.10	7.31	4.26	1 .83	1.61	4 32
Percent of average	81	98	62	81	105	81	113	117	154	135	103	126	105
Wind1
ne/e/se %	30	37	62	20	23	22	10	16	24	24	31	19	27
S/SW/W %	50	39	13	66	47	54	62	45	59	48	41	51	48
NW/N/Calm %	20	24	23	14	30	24	28	39	17	28	28	30	25
Atmospheric pollution—
West Division3
Water insol. matter tpm	13.82	8.04	14.11	13.74	9.95	19.82	15.04	11.54	11.54	9.16	6.70	11.99	12.12
Water sol. matter tpm	4.97	3.94	8.12	4.82	8.84	6.25	4.16	4.07	4.07	4.45	4.75	5.23	5.31
Sulphur †	2.26	1.80	1.68	1.23	1.14	0.62	0.82	0. 66	0.83	1.27	1.44	2.81	1.38
Smoke, daily average *	231	181	90	46	98	23	21	24	38	86	111	175	94
„ maximum *	680	684	248	244	276	66	48	85	109	200	464	592	—
„ minimum *	40	44	40	8	8	8	6	3	10	16	16	24	-
Sulphur, daily average *	355	262	185	126	102	79	87	81	92	194	219	282	172
„ maximum *	1220	753	364	553	376	213	236	197	257	381	1218	873	—
„ minimum *	104	61	73	17	25	31	31	21	25	49	48	43	—
North Division4 :
Smoke, daily average *	195	161	71	51	119	23	25	27	38	88	123	156	90
„ maximum	616	632	140	244	344	68	56	80	109	206	588	604	—
„ minimum *	24	40	16	12	44	9	10	4	10	12	16	24	-
Sulphur, daily average *	96	98	81	62	47	29	94	98	105	189	295	278	123
„ maximum *	238	275	266	196	120	76	320	188	278	301	1582	781	-
„ minimum *	17	17	37	12	6	9	24	30	32	43	50	57	—
South Division5:
Water insol. matter tpm	8.55	8.63	9.05	11.98	10.92	7.98	10.96	9.25	9.25	8.85	8.87	10.11	9.53
Water sol. matter tpm	6.11	4.86	7.86	5.71	7.14	6.58	3.71	4.35	4.35	4.60	5.05	4.90	5.43
Sulphur †	1.90	1.66	1.50	1.11	0.61	0.59	0.60	0.59	0.58	1.23	2.30	1.76	1. 20
Smoke, daily average *	206	186	79	38	108	21	20	23	34	84	114	148	88
„ maximum *	560	736	204	208	332	48	50	66	103	200	452	640	-
„ minimum *	32	28	24	4	104	1	3	7	7	12	20	8	-
Sulphur, daily average *	360	277	196	130	104	92	81	79	115	182	256	299	181
„ maximum *	1174	821	330	548	363	203	222	154	248	397	1039	986	—
„ minimum *	94	70	79	24	13	25	23	13	19	45	57	40
Weather summary	Very dry	Dry and dull	Cold, dull and wet	Cloudy and wet	Changeable warm special	Changeable High Rainfall	Dry and warm	Dry; warm spells	Sunny and dry	Dry and cold	Dry and mild	Cold and mildly stormy
Notes : 1Kew; 2Lewisham; 3Valentine Court for smoke and sulphur, Pool allotments for other Paragon Place for smoke and sulphur; 5Pendragon school for smoke and sulphur, Verdant Lane for otherstpm : tons per square mile per month; †as trioxide in mg per 100 sq. cms. Per day Paicgrammes per cubic metre

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Lewisham 1964

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Table: Atmospheric Condition 1964 Table 9