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 Camden Square, n.w., under the Superintendence of H. Robert Mill, d.sc., l.l.d.
January. | February. | March. | April. | May. | June. | July. | August. | September. | October. | November. | December. | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Barometer. | Mean Pressure at 32° F. at Station Level1 (Bar. 159 ft. above M.S.L.) | 29.828 | 29.645 | 29.870 | 29.959 | 29.742 | 30.002 | 29.914 | 29.875 | 30.078 | 29.728 | 29.756 | 29.837 | |
Air Temperature. | Mean of | Minimum A | 36.4 | 33.3 | 35.8 | 36.8 | 45.9 | 49.5 | 54.6 | 55.3 | 50.6 | 47.6 | 41.6 | 32.9 |
Maximum B | 47.3 | 45.0 | 49.9 | 58.4 | 63.8 | 71.7 | 76.0 | 77.1 | 70.5 | 61.5 | 52.0 | 41.8 | ||
Mean of A. and B | 41.9 | 39.2 | 42.9 | 47.0 | 54.9 | 60.6 | 65.3 | 66.2 | 60.6 | 54.0 | 46.1 | 37.3 | ||
Difference from Average † | + 3.3 | – 0.8 | – 0. | – 0.9 | + 0.6 | – 0.3 | + 0.9 | + 2.9 | + 2.1 | + 5.6 | + 3.3 | 0.0 | ||
Humidity | 90 | 88 | 84 | 73 | 79 | 75 | 72 | 74 | 79 | 89 | 89 | 87 | ||
Earth Temperature at 4 ft. depth | 43.1 | 41.5 | 41.7 | 43.9 | 48.1 | 53.8 | 58.3 | 60.7 | 60.0 | 56.0 | 51.3 | 46.9 | ||
Bright Sunshine. | Total Possible Hours | 254 | 274 | 365 | 412 | 479 | 489 | 492 | 445 | 374 | 324 | 260 | 238 | |
Total Observed | 43.3 | 67.9 | 99.4 | 192.9 | 124.7 | 216.1 | 235.9 | 196.9 | 154.1 | 79.8 | 29.9 | 37.2 | ||
Difference from Average † | – | – | – | – | – | – | – | – | – | – | – | – | ||
Rain and other forms of Precipitation. | Number of Days | 18 | 21 | 14 | 10 | 14 | 8 | 7 | 8 | 8 | 17 | 17 | 19 | |
Total Fall Inches | 34.3 | 1.65 | 0.87 | 0.51 | 1.09 | 2.89 | 0.61 | 0.07 | 1.75 | 3.15 | 4.20 | 2.21 | ||
Difference from Average † | – | – | – | – 1.17 | – 0.66 | + 0.60 | – 1.96 | – 1.52 | – 0.42 | + 0.41 | + 1.84 | + 0.16 |
* The hours of observation are 9 a.m. and 9 p.m. local time.
† The averages used are obtained from observations extending over 35 years for Rainfall; 30 years for Temperature; and 20 years for Sunshine.