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 1961
[Report of the Medical Officer of Health for London, City of ]
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TABLE D—Results obtained in 1961 or the daily observations of the concentration of SMOKE by
the volumetric method.
| Month | Rainfall collected in deposit | POLICE STATIONS | ||||
|---|---|---|---|---|---|---|
| gauge at Golden Lane | Golden Lane | 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 | 45 | 1.76 | 11 | 25 | 12 | 11 |
| February | 49 | 1.94 | 9 | 24 | 11 | 9 |
| March | 2 | 0.07 | 12 | 24 | 13 | 11 |
| April | 45 | 1.77 | 7 | 26 | 8 | 6 |
| May * | — | _ | 5 | 11 | 7 | 4 |
| June * | — | _ | 5 | 8 | 7 | 5 |
| July | 31 | 1.21 | 4 | 11 | 6 | 5 |
| August | 40 | 1.57 | 4 | 11 | 6 | 4 |
| September | 54 | 2.12 | 7 | 14 | 7 | 6 |
| October | 47 | 1.86 | 8 | 20 | 8 | 8 |
| November | 58 | 2.28 | 13 | 30 | 14 | 12 |
| December | 51 | 2.02 | 17 | 40 | 19 | 16 |
| Averages: | ||||||
| 1961 | 42(a) | 1.66(a) | 9 | 20 | 10 | 8 |
| 1960 | 62 | 2.46 | 10 | 16 | 13 | 6 |
| 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 |
| 1956-60 | 50 | 1.98 | 10 | 19 | 15 | 8 |
| * No recorded rainfalls owing to defective apparatus, (a) Average for 10 months. | ||||||
TABLE in.— Results obtained in 1961 of the measurement of SULPHUR DIOXIDE by the volumetric and lead peroxide methods.
| Month | Rainfall collected in deposit gauge at Golden Lane | Police Stations | LEAD PEROXIDE METHOD | |||||
|---|---|---|---|---|---|---|---|---|
| Golden Lane | Bishops-gate | Cloak Lane | Snow Hill | Golden Lane | Finsbury Circus | |||
| Equivalent to | ||||||||
| Millimetres | inches of rain | Monthly Average | Monthly Average | Monthly Average | Monthly Average | Mgs. (S,O.3) per day per 100 sq. cm. | ||
| Parts per 100 m. parts of air | ||||||||
| January | 45 | 1.76 | 15 | 19 | 15 | 16 | 4.60 | 3.73 |
| F ebruary | 49 | 1.94 | 12 | 19 | 12 | 14 | 4.32 | 3.17 |
| March April | 2 45 | 0.07 1.77 | 13 9 | 22 18 | 16 10 | 15 9 | 4.12 3.39 | 2.03 2.05 |
| May * | — | — | 5 | 10 | 3 | 5 | 1.93 | 1.38 |
| J une * | — | — | 5 | 11 | 6 | 5 | 1.76 | 1.06 |
| July | 31 | 1.21 | 3 | 8 | 4 | 4 | 1.31 | 0.87 |
| August | 40 | 1.57 | 4 | 10 | 5 | 4 | 1.46 | 1.04 |
| September | 54 | 2.12 | 7 | 13 | 8 | 7 | 1.87 | 1.30 |
| October | 47 | 1.86 | 10 | 15 | 9 | 9 | 2.89 | 2.10 |
| November | 58 | 2.28 | 13 | 20 | 15 | 16 | 3.87 | 2.96 |
| December | 51 | 2.02 | 16 | 25 | 19 | 18 | 4.61 | 3.45 |
| Averages: | ||||||||
| 1961 | 42(a) | 1.66(a) | 9 | 16 | 10 | 10 | 3.01 | 2.10 |
| 1960 | 62 | 2.46 | 9 | 14 | 13 | 9 | 3.22 | 2.19 |
| 1959 | 41 | 1.60 | 11 | 17 | 14 | 12 | 3.46 | 2.57 |
| 1958 | 62 | 2.44 | 10 | 14 | 12 | 10 | 3.10 | 2.66 |
| 1957 | 42 | 1.66 | 9 | 12 | 11 | 11 | 2.71 | 2.47 |
| 1956 | 44 | 1.74 | 10 | 15 | 12 | 13 | 2.69 | 2.42 |
| 1956-60 | 50 | 1.98 | 10 | 14 | 12 | 11 | 3.03 | 2.46 |
| * No recorded rainfalls owing to defective apparatus, (a) Average for 10 months. | ||||||||