[Report of the Medical Officer of Health for Lewisham Borough] page 87

Lewisham 1970

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

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Table 52

ATMOSPHERIC CONDITIONS IN 1970

		January	February	March	April	May	June	July	August	September	October	November December		Average or actual
Temperature—1
Mean	C	4.3	3 .9	4 3	7.3	13 .5	17 .3	16.3	16 6	14.7	11 .4	8 .4	4.3	10.2
Rainfall Total1	in.	2.41	1 .75	1 .84	2 .22	0.64	0.32	1 .82	2.46	2.12	0.21	5 .54	1 .71	23 .04
Per cent, of averages		104	92	117	136	44	70	106	94	113	25	249	74	102
Sunshine—1
Daily mean	hrs.	1. 01	3 .91	3 .42	4.20	7.16	9 .41	6. 14	6 .21	5 .48	3 .35	2.17	1 .20	4 .5
Per cent, of average		68	173	94	79	112	132	96	102	115	106	123	94	108
Wind—1
NE/E/SE	%	36	7	20	9	29	55	1	40	16	18	14	24	22
S/SW/W	%	48	61	47	56	43	33	80	41	62	56	78	44	54
NW/N/Calm	%	16	32	33	35	28	12	19	19	22	26	8	32	24
Atmospheric pollution Creekside Depot
Water insol. matter	tpm	23 .89	53 .62	39 .96	7 .30	96.14	21 .29	19 .71	17.18	7 .51	7.62	24 .10	93 .21	34 .29
Water sol. matter	tpm	13 .39	9 .95	10 .84	11 .81	8 .61	5.16	10.73	9 .68	9 .81	9. 01	12.35	14.50	10 .49
Lewi sham Town Hall—
Smoke, daily average	*	117	77	68	56	59	50	44	57	63	85	108	139	77
Sulphur, daily average	*	163	190	190	168	197	185	118	136	104	163	124	261	167
Valentine Court—
Smoke, daily average	*	62	55	42	33	39	27	13	21	26	38	37	67	38
Sulphur, daily average	♦	135	154	168	136	175	154	101	121	92	137	97	213	140
Deptford Town Hall—
Smoke, daily average	*	99	89	89	63	77	66	44	59	53	100	66	127	86
Sulphur, daily average	•	210	231	246	178	232	219	117	159	121	189	157	290	196
Creekside—
Smoke, daily average	*	85	86	76	60	53	45	17	36	49	67	76	110	63
Sulphur, daily average	*	187	200	215	179	214	220	120	144	111	195	134	277	183
Weather Summary		Very dull	Very sunny and snowy	Cold and snowy	Cold	Drier than average	Warm and sunny	Changeable mostly cool	Warm Changeable spells and stormy		Dry spells	Very changeable heavy rain	Drier than average

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Notes— 1Kew; 'Lewisham; tpm: Tons per square mile per month; * microgrammes per cubic metre