London's Pulse: Medical Officer of Health reports 1848-1972

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City of London 1956

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

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TABLE I. —Results obtained in 1956 of the monthly observations of rainfall and deposited matter by means of the deposit gauge, and the monthly observations of sulphur by the lead peroxide method.

MonthRainfall collected in deposit gaugeDEPOSIT GAUGELEAD PEROXIDE METHOD
Golden LaneGolden LaneFinsbury Circus
Insoluble DepositSoluble DepositTotal Solids
Equivalent toTons per square mileMgs. (S.0.3) per day per 100 sq. cm.
Millimetresinches of rain
January682.6913.479.5623.034.063.83
February50.183.053.856.904.063.22
March220.8523.509.9233.424.173.33
April250.9812.519.7922.303.382.80
May60.2512.154.7116.861.441.35
June562.226.907.9014.801.100.99
July1144.4917.0312.7829.801.401.30
August783.0610.335.8716.100.871.32
September501.9616.838.2325.062.121.69
October421.6412.656.9019.552.492.74
November80.329.325.4814.803.663.23
December562.2221.778.6030.373.483.29
Averages:
195644.1.7413.317.8021.082.692.42
1955431.7113.737.9921.712.852.57
1954471.8012.409.0421.352.542.60
1953361.4011.998.2220.212.302.47
1952401.5011.029.1720.192.262.19
1951542.1011.5015.2526.752.842.56
1951-1955441.7012.139.9322.042.562.48

TABLE 11. —Results obtained in 1956 of the daily observations of the concentrations of SMOKE by the volumetric method.

MonthRainfall collected in deposit gauge at Golden LaneGolden LanePOLICE STATIONS
HishopsgateCloak LaneSno w Hill
Monthly averageHighest dailyMonthly averageHighest dailyMonthly averageHighest dailyMonthly averageHighest daily
Equivalent to
Millimetresinches of rainMilligrams per 100 cubic metresMilligrams per 100 cubic metresMilligrams per 100 cubic metresMilligrams per 100 cubic metres
January682.6932 (a)96502052816028120
February50.18266442115281052264
March220.851540274321431642
April250.981326——17281118
May60.25722——822511
June562.22514——59412
July1144 4961115343548
August783.0659183449612
September501.966141629513617
October421.641438244717441329
November80.321735325123451631
December562.221634298923561532
Averages:
1956441.741421b)1512
1955431.7114—25(b)—10(b)—11(b)
1954471.8014——————
1953361.4013——————
1952401.5012——————
1951542.1010——————
1951-1955441.7013——————

(a) Includes the mean of 27 short period measurements taken between the 4th-ltth January (inclus.) during a
persistent fog warning.
(b) Measurements for 9 months of the year.
21.