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 1870
[Report of the Medical Officer of Health for London, City of]
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| Quarter ending December, 1870 | Quarter ending March, 1871 | Quarter ending June, 1871. | Quart. ending September, 1871 | Entire Year. | |
|---|---|---|---|---|---|
| Total Rainfall (inches) | 7.78 | 3.79 | 6.59 | 4.99 | 23.15 |
| Average in City for 10 years. | 6.27 | 5.70 | 5.19 | 6.14 | 23.30 |
| Number of Wet Days | 39 | 34 | 36 | 32 | 141 |
| Average in City for 10 years | 41 | 43 | 37 | 37 | 158 |
| Degree of humidity (Sat= 100) | 78 | 79 | 69 | 68 | 73 |
| Average in City for 10 years | 83 | 85 | 74 | 72 | 78 |
| Dew-point (Faht.) | 38.8 | 30.1 | 44.3 | 52.9 | 43.0 |
| Average in City for 10 years | 43.0 | 37.9 | 46.1 | 52.7 | 44.9 |
| Temperature (Faht.) | 47.0 | 41.5 | 52.8 | 63.9 | 51.3 |
| Average in City for 10 years | 47.6 | 41.7 | 54.0 | 61.7 | 51.2 |
Quality of the Water Supply.
This, as heretofore, has been the subject of regular
investigation, not only in respect of the quality of
the water supplied to the City, but also of that supplied
to the whole of the Metropolis ; and the principal
facts of the inquiry are classified in the
following table:—