Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for London, City of ]
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TABLE I - Results obtained in 1963 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 | 13 | 0.52 | 6 | 0.24 | 1.49 | 4.90 | 10.63 | 6.10 | 12.12 | 11.01 |
February | 8 | 0.33 | 9 | 0.36 | 2.05 | 12.92 | 5.40 | 7.99 | 7.45 | 20.91 |
March | 49 | 1.94 | 56 | 2.20 | 5.20 | 19.26 | 90.45 | 12.69 | 95.65 | 31.95 |
April | 44 | 1.74 | 43 | 1.68 | 25.94 | 14.56 | 7.95 | 7.05 | 33.89 | 21.61 |
May | 44 | 1.73 | 39 | 1.53 | 41.14 | 11.07 | 8.64 | 6.04 | 49.78 | 17.12 |
June | 36 | 1.42 | 44 | 1.72 | 37.82 | 9.70 | 10.07 | 5.67 | 47.89 | 15.36 |
July | 25 | 0.98 | 55 | 2.17 | 9.84 | 11.61 | 8.35 | 31.65 | 18.18 | 43.26 |
August | 59 | 2.33 | 59 | 2.34 | 17.62 | 11.34 | 19.81 | 8.99 | 37.43 | 20.34 |
September | 40 | 1.56 | 41 | 1.61 | 18.81 | 13.66 | 15.30 | 6.31 | 34.11 | 19.97 |
October | 33 | 1.32 | 31 | 1.24 | 16.36 | 11.31 | 8.78 | 7.28 | 25.14 | 18.59 |
November | 75 | 2.96 | 100 | 3.95 | 9.01 | 16.91 | 12.02 | 13.89 | 21.03 | 30.81 |
December | 14 | 0.55 | 14 | 0.57 | 10.33 | 12.55 | 5.80 | 7.15 | 16.13 | 19.70 |
Averages: | ||||||||||
1963 | 37 | 1.45 | 41 | 1.63 | 16.30 | 12.48 | 16.93 | 10.07 | 33.23 | 22.55 |
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 | 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 | 14.81(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) |
1958-1962 | 50 | 1.97 | 51 | 2.01 | 16.42 | 14.58 | 8.33 | 11.10 | 25.08 | 23.67 |
NOTE : A — Golden Lane.
(a) average for 7 months
B — Guildhall from 1st June 1958.
(b) average for 10 months
TABLE II - Results obtained in 1963 of the daily observations of the concentration of SMOKE by the volumetric method.
MONTH | Rainfall collected in deposit gauge at Golden Lane | Golden Lane | POLICE STATIONS | |||
---|---|---|---|---|---|---|
Bishopsgate | 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 | 13 | 0.52 | 247 | 266 | 265 | 133 |
February | 8 | 0.33 | 223 | 214 | 300 | 242 |
March | 49 | 1.94 | 88 | 216 | 213 | 77 |
April | 44 | 1.74 | 81 | 196 | 108 | 73 |
May | 44 | 1.73 | 47 | 151 | 97 | 53 |
June | 36 | 1.42 | 36 | 121 | 64 | 43 |
July | 25 | 0.98 | 36 | 126 | 50 | 41 |
August | 59 | 2.33 | 49 | 116 | 58 | 40 |
September | 40 | 1.56 | 65 | 129 | 83 | 62 |
October | 33 | 1.32 | 75 | 155 | 84 | 71 |
November | 75 | 2.96 | 102 | 259 | 106 | 94 |
December | 14 | 0.55 | 145 | 252 | 223 | 119 |
Averages: | ||||||
1963 | 37 | 1.45 | 100 | 183 | 138 | 87 |
1962 | 43 | 1.69 | 84 | 217 | 106 | 77 |
1961 | 42(a) | 1.66(a) | 90 | 200 | 100 | 80 |
1960 | 62 | 2.46 | 100 | 160 | 130 | 60 |
1959 | 41 | 1.60 | 100 | 200 | 180 | 90 |
1958 | 62 | 2.44 | 90 | 200 | 160 | 70 |
1958-1962 | 50 | 1.97 | 93 | 195 | 135 | 75 |
(a) Average for 10 months
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