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 St. Pancras, London, Borough of]
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Deduced from Observations at Greenwich, under the Superintendence of the Astronomer Royal.
January. | February. | March. | April. | May. | June. | July. | August. | September. | October. | November. | December. | Year 1906. | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Barometer. | Mean Pressure at 32° F. at Station Level1 (Bar. 159 ft. above M.S.L.) | 29.793 | 29.601 | 29.833 | 29.904 | 29.696 | 29.951 | 29.865 | 29.831 | 30.026 | 29.684 | 29.711 | 29.787 | 29.807 | |
Air Temperature. | Mean of | Minimum A. | 37.4 | 33.5 | 35.6 | 35.2 | 44.4 | 47.9 | 53.3 | 54.4 | 49.3 | 46.9 | 40.4 | 32.0 | 42.5 |
Maximum B. | 46.9 | 44.3 | 48.8 | 57.3 | 62.4 | 69.8 | 75.4 | 77.0 | 69.8 | 61.8 | 51.5 | 42.3 | 58.9 | ||
Mean of A. and B | 42.2 | 38.9 | 42.2 | 46.2 | 53.4 | 58.8 | 64.4 | 65.7 | 59.5 | 54.4 | 45.9 | 37.2 | 50.7 | ||
Difference from Average † | + 3.7 | – 0.6 | + 0.5 | – 1.0 | + 0.3 | – 0.6 | + 2.0 | + 4.1 | + 2.3 | + 4.4 | + 2.7 | – 2.5 | + 1.2 | ||
Humidity | 85 | 85 | 79 | 71 | 77 | 74 | 70 | 71 | 77 | 86 | 90 | 85 | 79 | ||
Earth Temperature at 3 ft. 2 in. depth | 43.2 | 41.4 | 42.3 | 44.8 | 43.4 | 56.1 | 61.0 | 63.4 | 61.6 | 57.2 | 51.0 | 46.0 | 51.5 | ||
Bright Sunshine. | Total Possible Hours | 259 | 277 | 365 | 413 | 481 | 495 | 498 | 451 | 379 | 331 | 266 | 244 | 4459 | |
Total Observed | 54.9 | 62.8 | 101.4 | 218.5 | 153.0 | 241.2 | 262.6 | 248.7 | 185.7 | 128.0 | 45.1 | 32.6 | 1734.5 | ||
Difference from Average † | + 22.9 | + 9.0 | + 9.1 | + 72.2 | – 27.6 | + 52.6 | + 66.3 | + 60.9 | + 41.6 | + 37.5 | + 4.8 | + 5.0 | + 354.3 | ||
Rain and other forms of Precipita tion. | Number of Days | 18 | 18 | 18 | 9 | 12 | _ 7 | 7 | 8 | 11 | 17 | 17 | 19 | 161 | |
Total Fall Inches | 3.71 | 1.80 | 1.09 | 0.67 | 1.57 | 2.80 | 0.41 | 1.39 | 1.97 | 3.04 | 4.11 | 2.16 | 24.72 | ||
Difference from Average † | + 1.72 | + 0.32 | – 0.37 | – 0.99 | – 0.44 | + 0.78 | – 2.06 | – 0.96 | – 0.28 | + 0.23 | + 1.84 | + 0.39 | + 0.18 |
* The hours of observation are 9 a.m. and 9 p.m.
† The averages used are obtained from observation extending over 50 years for Rain and Temperature, and 16 years for Sunshine.