Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Islington, Metropolitan Borough of]
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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. Sum. | Number [???]on which Rain tell in appreciable quantity. Sum. | ||||
---|---|---|---|---|---|---|---|
Mean of Daily Values. | Mean of Highest Temperatures. | Mean of Lowest Temperatures. | Mean Daily Range of Temp. | ||||
53.4° | 65.7° | 45.9° | 19.8° | 76 | |||
„ 12th | 60.1° | 74.0° | 49.4° | 24.6° | 66 | ||
„ 19 th | 52.4° | 61.7° | 46.3° | 15.4° | 76 | 4 | |
„ 26th | 56.1° | 67.5° | 48.2° | 19.3° | 74 | ||
57.6° | 71.8° | 50.0° | 21.8° | 74 | |||
Means. | 55.9° | 68.1° | 47.9° | 20.2° | 73 | Sum. 1.04 | Sum. 6 |
The highest day temperature, observed on June 7th, was 88.0°
The lowest night temperature, observed on May 30th, was 36.0°.
EDWARD BALLARD, M.D.,
Medical Officer of Health.
Vestry Offices,
July 10th, 1869.