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
Islington 1869
[Report of the Medical Officer of Health for Islington, Metropolitan Borough of]
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METEOROLOGY OF APRIL.
| Thermometers 4 feet from ground. | Degree of Atmospheric Humidity, Saturation being represented by 100. | Rain in inches, read at 9 a.m., Collected on the ground. | Number of days on which Rain fell in appreciable quantity. | ||||
|---|---|---|---|---|---|---|---|
| Mean of Daily Values. | Mean of Highest Temperatures. | Mean of Lowest Temperatures. | Mean Daily Range of Temp. | ||||
| Week ending Ap. 10th | 47.3° | 42.4° | 13.4° | 87 | 0.20 | 2 | |
| „ „ 17th | 55.3° | 67.4° | 47.2° | 20.2° | 86 | 0.39 | 3 |
| „ „ 24th | 50.6° | 59.9° | 44.0° | 15.9° | 82 | 0.54 | 2 |
| „ „ May 1st | 54.3° | 68.4° | 43.0° | 25.4° | 72 | 0.00 | 0 |
| Means. | 51.9° | 62.8° | 44.1° | 18.7° | 82 | Sum. 1.13 | Sum. 7 |
The highest day temperature, observed on April 14th, was 78.7°
The lowest night temperature, observed on April 4th, was 35.0°.
Range of temperature during the month, 43.7°.
EDWARD BALLARD, M.D.,
Medical Officer of Health.
Vestry Offices,
May 8th, 1869.