London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
City of London 1959
[Report of the Medical Officer of Health for London, City of ]
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TABLE I—Results obtained in 1959 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 | 49 | 1.93 | 39 | 1.55 | 12.31 | 14.90 | 7.10 | 9.36 | 19.42 | 24.26 |
| February | 1 | 0.04 | – | — | 11.72 | — | 6.34 | — | 18.06 | — |
| March | 40 | 1.58 | – | — | 45.64 | — | 16.86 | — | 62.50 | — |
| April | 32 | 1.27 | 39 | 1.54 | 28.51 | 32.72 | 9.69 | 16.41 | 38.20 | 49.13 |
| May | 20 | 0.79 | 21 | 0.82 | 22.60 | 12.32 | 4.98 | 4.93 | 27.58 | 17.25 |
| June | 33 | 1.31 | 32 | 1.28 | 25.46 | 15.00 | 7.47 | 7.22 | 32.92 | 22.22 |
| July | 38 | 1.51 | 36 | 1.41 | 9.16 | 11.34 | 5.71 | 5.30 | 14.87 | 16.65 |
| August | 101 | 3.96 | 98 | 3.84 | 14.34 | 10.24 | 6.97 | 7.85 | 21.31 | 18.09 |
| September | 2 | 0.09 | 2 | 0.08 | 7.27 | 6.91 | 4.78 | 3.15 | 12.05 | 10.07 |
| October | 40 | 1.59 | 40 | 1.57 | 15.57 | 18.99 | 9.33 | 11.14 | 24.89 | 30.14 |
| November | 59 | 2.31 | 59 | 2.31 | 12.38 | 10.20 | 9.79 | 12.72 | 22.17 | 22.92 |
| December | 72 | 2.83 | 71 | 2.82 | 32.76 | 15.44 | 8.93 | 11.88 | 41.69 | 27.32 |
| Averages: | ||||||||||
| 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) |
| 1957 | 42 | 1.66 | — | — | 14.56 | — | 7.17 | — | 21.73 | — |
| 1956 | 44 | 1.74 | — | — | 13.31 | — | 7.80 | — | 21.08 | — |
| 1955 | 43 | 1.71 | — | — | 13.73 | — | 7.99 | — | 21.71 | — |
| 1954 | 47 | 1.80 | – | — | 12.40 | — | 9.04 | — | 21.35 | — |
| 1954-58 | 48 | 1.87 | – | – | 14.57 | – | 7.88 | – | 22.4 | – |
Note: A — Golden Lane. B — Guildhall from 1st June, 1958.
(a) average for 7 months. (b) average for 10 months.
TABLE II— Results obtained in 1959 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 | Milligrams per 100 cubic metres | Milligrams per 100 cubic metres | Milligrams per 100 cubic metres | Milligrams per 100 cubic metres | |
| January | 49 | 1.93 | 24 | 43 | 33 | 28 |
| February | 1 | 0.04 | 22 | 31 | 41 | 16 |
| March | 40 | 1.58 | 11 | 22 | 22 | 8 |
| April | 32 | 1.27 | 7 | 18 | 17 | 8 |
| May | 20 | 0.79 | 6 | 11 | 15 | 4 |
| June | 33 | 1.31 | 4 | 10 | 13 | 3 |
| July | 38 | 1.51 | 2 | 12 | 9 | 2 |
| August | 101 | 3.96 | 3 | 11 | 7 | 3 |
| September | 2 | 0.09 | 4 | 10 | 7 | 5 |
| October | 40 | 1.59 | 7 | 14 | 10 | 6 |
| November | 59 | 2.31 | 17 | 32 | 19 | 13 |
| December | 72 | 2.83 | 11 | 22 | 20 | 8 |
| Averages: | ||||||
| 1959 | 41 | 1.60 | 10 | 20 | 18 | 9 |
| 1958 | 62 | 2.44 | 9 | 20 | 16 | 7 |
| 1957 | 42 | 1.66 | 9 | 25 | 15 | 7 |
| 1956 | 44 | 1.74 | 14 | 15 | 12 | 13 |
| 1955 | 43 | 1.71 | 14 | 13(a) | 10(a) | 12(a) |
| 1954 | 47 | 1.80 | 14 | - | - | - |
| 1954-1958 | 48 | 1.87 | 12 | - | - | - |
(a) Measurement for 9 months of the year.
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