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 1956
[Report of the Medical Officer of Health for London, City of ]
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| Month | Rainfall collected in deposit gauge | DEPOSIT GAUGE | LEAD PEROXIDE METHOD | ||||
|---|---|---|---|---|---|---|---|
| Golden Lane | Golden Lane | Finsbury Circus | |||||
| Insoluble Deposit | Soluble Deposit | Total Solids | |||||
| Equivalent to | Tons per square mile | Mgs. (S.0.3) per day per 100 sq. cm. | |||||
| Millimetres | inches of rain | ||||||
| January | 68 | 2.69 | 13.47 | 9.56 | 23.03 | 4.06 | 3.83 |
| February | 5 | 0.18 | 3.05 | 3.85 | 6.90 | 4.06 | 3.22 |
| March | 22 | 0.85 | 23.50 | 9.92 | 33.42 | 4.17 | 3.33 |
| April | 25 | 0.98 | 12.51 | 9.79 | 22.30 | 3.38 | 2.80 |
| May | 6 | 0.25 | 12.15 | 4.71 | 16.86 | 1.44 | 1.35 |
| June | 56 | 2.22 | 6.90 | 7.90 | 14.80 | 1.10 | 0.99 |
| July | 114 | 4.49 | 17.03 | 12.78 | 29.80 | 1.40 | 1.30 |
| August | 78 | 3.06 | 10.33 | 5.87 | 16.10 | 0.87 | 1.32 |
| September | 50 | 1.96 | 16.83 | 8.23 | 25.06 | 2.12 | 1.69 |
| October | 42 | 1.64 | 12.65 | 6.90 | 19.55 | 2.49 | 2.74 |
| November | 8 | 0.32 | 9.32 | 5.48 | 14.80 | 3.66 | 3.23 |
| December | 56 | 2.22 | 21.77 | 8.60 | 30.37 | 3.48 | 3.29 |
| Averages: | |||||||
| 1956 | 44. | 1.74 | 13.31 | 7.80 | 21.08 | 2.69 | 2.42 |
| 1955 | 43 | 1.71 | 13.73 | 7.99 | 21.71 | 2.85 | 2.57 |
| 1954 | 47 | 1.80 | 12.40 | 9.04 | 21.35 | 2.54 | 2.60 |
| 1953 | 36 | 1.40 | 11.99 | 8.22 | 20.21 | 2.30 | 2.47 |
| 1952 | 40 | 1.50 | 11.02 | 9.17 | 20.19 | 2.26 | 2.19 |
| 1951 | 54 | 2.10 | 11.50 | 15.25 | 26.75 | 2.84 | 2.56 |
| 1951-1955 | 44 | 1.70 | 12.13 | 9.93 | 22.04 | 2.56 | 2.48 |
| Month | Rainfall collected in deposit gauge at Golden Lane | Golden Lane | POLICE STATIONS | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Hishopsgate | Cloak Lane | Sno w Hill | ||||||||
| Monthly average | Highest daily | Monthly average | Highest daily | Monthly average | Highest daily | Monthly average | Highest daily | |||
| Equivalent to | ||||||||||
| 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 | 68 | 2.69 | 32 (a) | 96 | 50 | 205 | 28 | 160 | 28 | 120 |
| February | 5 | 0.18 | 26 | 64 | 42 | 115 | 28 | 105 | 22 | 64 |
| March | 22 | 0.85 | 15 | 40 | 27 | 43 | 21 | 43 | 16 | 42 |
| April | 25 | 0.98 | 13 | 26 | — | — | 17 | 28 | 11 | 18 |
| May | 6 | 0.25 | 7 | 22 | — | — | 8 | 22 | 5 | 11 |
| June | 56 | 2.22 | 5 | 14 | — | — | 5 | 9 | 4 | 12 |
| July | 114 | 4 49 | 6 | 11 | 15 | 34 | 3 | 5 | 4 | 8 |
| August | 78 | 3.06 | 5 | 9 | 18 | 34 | 4 | 9 | 6 | 12 |
| September | 50 | 1.96 | 6 | 14 | 16 | 29 | 5 | 13 | 6 | 17 |
| October | 42 | 1.64 | 14 | 38 | 24 | 47 | 17 | 44 | 13 | 29 |
| November | 8 | 0.32 | 17 | 35 | 32 | 51 | 23 | 45 | 16 | 31 |
| December | 56 | 2.22 | 16 | 34 | 29 | 89 | 23 | 56 | 15 | 32 |
| Averages: | ||||||||||
| 1956 | 44 | 1.74 | 14 | 21b) | 15 | 12 | ||||
| 1955 | 43 | 1.71 | 14 | — | 25(b) | — | 10(b) | — | 11(b) | |
| 1954 | 47 | 1.80 | 14 | — | — | — | — | — | — | |
| 1953 | 36 | 1.40 | 13 | — | — | — | — | — | — | |
| 1952 | 40 | 1.50 | 12 | — | — | — | — | — | — | |
| 1951 | 54 | 2.10 | 10 | — | — | — | — | — | — | |
| 1951-1955 | 44 | 1.70 | 13 | — | — | — | — | — | — | |
(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.