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 1872
[Report of the Medical Officer of Health for London, City of]
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31
million gallons in February to rather more than
126 millions in August—the average for the whole
year being 111,298,027 gallons per diem. This
quantity has been supplied to 502,460 houses, and
it averages 221 gallons per house per diem, or
334 gallons per head for the entire population of
London. The particulars of the average daily supply
in each month of the year are as follows:—
| Quarters Ending | Entire Year. | ||||
|---|---|---|---|---|---|
| Dec. 1872. | March, 1873. | June, 1873. | Sept.. 1873. | ||
| Total Rainfall (inches) | 12.35 | 5.85 | 4.15 | 7.80 | 30.15 |
| Average in City tor 10 years | 6.26 | 5.59 | 523 | 6.17 | 23.25 |
| Number of Days | 63 | 47 | 32 | 30 | 181 |
| Average in City for 10 years | 89 | 43 | 36 | 34 | 152 |
| Degree of Humidity (Sat. 100) | 80 | 82 | 72 | 70 | 80 |
| Average in City tor 10 years | 82 | 84 | 71 | 70 | 77 |
| Dew-point (Fahrenhrit) | 42.7 | 41.1 | 48.4 | 53.7 | 44.5 |
| Average in City for 10 years | 42.6 | 37.8 | 46.0 | 52.7 | 44.7 |
| Temperature (Fahrenhrit) | 48.1 | 42.4 | 61.8 | 63.1 | 50.6 |
| Average in City for 10 years | 47.3 | 42.3 | 64.4 | 62.7 | 51.7 |
About 60 million gallons of each day's supply were
derived from the Thames, about 47 million gallons
from the New River and the River Lea, and the rest
from the chalk wells of the Kent Company.