[Report of the Medical Officer of Health for Lewisham Borough] page 69

Lewisham 1966

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

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Table: Table 50ATMOSPHERIC CONDITIONS IN 1966

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Table 50

ATMOSPHERIC CONDITIONS IN 1966

	January	February	March	April	May	June	July	August	September	October	November	December	Average or actual
Temperature—
Mean maximum	54	9.3	10.9	12.2	17.1	21.9	20.3	20.6	19.3	14.6	8.7	8.8	14.1
Mean minimum	2.4	5.5	4.1	6.2	7.9	12.3	12.8	11.9	11.2	9.0	4.6	4.4	7.7
Mean	3.9	7.4	7.5	9.2	12.5	17.1	16.5	16.3	15.3	11.8	6.7	6.6	10.9
Diff. from average	-0.4	+2.8	+0.8	-0.2	0.0	+1.2	—1.1	—1.0	+0.4	+0.7	—1.0	+1.2	+0.3
Highest maximum	12.0	13.0	14.0	20.0	26.0	27.0	26.0	26.0	23.0	19.0	14.0	12.0	27.0
Lowest minimum	—70	0.0	0.0	0.0	+6.0	+8.0	+10.0	+10.0	+8.0	+6.0	+2.0	—2.0	—7.0
Rainfall
Total	1.48	1.99	0.38	2.87	1.45	2.67	3.72	3.61	0.82	3.76	1.38	2.78	26.91
Per cent, of average	58	174	29	200	105	152	112	136	55	175	53	142	116
Sunshine—
Daily mean	1.30	1.06	4.05	2.97	7.02	6.70	5.18	6.37	5.34	2.49	1.90	1.17	3.80
Per cent. of average	87	47	111	56	110	94	81	105	112	79	107	91	90
Wind—
NE/E/SE	55	27	1	43	25	14	9	25	35	24	12	4	23
s/sw/w	34	61	68	40	62	62	51	51	43	41	46	72	53
NW/N/Calm	11	12	31	17	13	24	40	24	22	35	42	24	24
Atmospheric pollution—
Pool allotments
Water insol. matter	17.65	9.90	9.36	13.26	19.30	21.34	11.38	20.34	8.86	14.56	10.57	9.16	13.81
Water sol. matter	466	5.60	2.68	6.01	3.59	4.09	5.03	4.46	4.26	4.87	5.24	4.33	4.57
Sulphur	1.94	1.83	1.19	1.12	0.65	0.54	0.33	0.53	0.72	0.80	1.40	1.46	1.04
Letvisham Town Hall—
Smoke, daily average	149	80	96	71	49	50	39	49	73	111	95	113	81
,, maximum	348	180	240	142	113	112	62	90	140	193	376	480	—
,, minimum	48	32	24	33	8	11	18	15	14	55	12	28	—
Sulphur, daily average	215	150	169	177	129	102	82	102	164	157	168	166	148
,, maximum	527	273	369	304	305	223	170	179	489	325	264	424	—
,, minimum	43	57	66	84	59	37	50	35	65	58	96	58	—
Valentine Court—
Smoke, daily average	107	47	57	37	26	19	28	23	39	63	73	45	45
,, maximum	324	128	156	82	74	44	135	64	92	135	232	344	—
,, minimum	36	14	12	11	6	6	4	3	4	28	12	6	—
Sulphur, daily average	214	119	167	158	133	92	68	74	152	119	170	137	134
,, maximum	496	244	384	248	270	222	110	124	534	208	399	368	—
,, minimum	60	47	64	74	42	34	33	29	53	29	83	57	—
Deptford Town Hall—
Smoke, daily average	162	82	114	72	50	41	58	50	66	60	120	139	85
,, maximum	448	172	264	139	121	81	110	109	116	123	380	440	—
,, minimum	38	14	24	13	14	10	13	14	10	0	40	88	—
Sulphur, daily average	290	164	203	205	136	98	86	101	180	176	200	198	170
,, maximum	621	397	358	358	370	226	146	207	480	332	266	523	—
,, minimum	102	48	64	104	63	12	47	37	62	55	121	89	—
Weather Summary—	Cold early mild later	Dull and wet	Dry	Dull and wet	Changeable and warm	Wet and warm	Wet	Cool and wet	Dry	Wet	Cold and windy	Wet and mild
Notes— Kew; 1 Lewisham; tpm: Tons per square mile per month; + as trioxide in MG per 100 sq. cms. per day; * microgrammes per cubic metre