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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METEOROLOGICAL TABLE FOR LONDON, 1910.
January. | February. | March. | April. | May. | J une. | July. | August. | September. | October. | November. | December. | Year 1910. | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Barometer. | Mean Pressure at 323 F. at Station Level* (Bar. 159 ft. above M.S.L.) | 29.681 | 29 500 | 29 991 | 29.672 | 29.713 | 29.720 | 29.709 | 29741 | 30 046 | 29. 841 | 29.476 | 29 .545 | 29.720 | ||
Air Temperature. | Mean of | Minimum A. | 35.4 | 35.7 | 34.7 | 33.8 | 45.2 | 51.6 | 519 | 52.7 | 48.5 | 47.6 | 32.4 | 400 | 42.9 | |
. Maximum B | 441 | 47.9 | 51.3 | 55.4 | 63 3 | 710 | 670 | 70.8 | 64.6 | 59.8 | 45.4 | 48.3 | 574 | |||
Mean of A. and B | 39.7 | 41.8 | 43.0 | 47.1 | 543 | 61.3 | 59.4 | 61.8 | 56.6 | 53.7 | 38.9 | 44.2 | 50.2 | |||
\ Difference from Average † | +13 | + 20 | +0.5 | —1.0 | +0.5 | + 10 | .43 | —1.1 | —1.6 | + 33 | .45 | +4.6 | +01 | |||
Humidity | 87 | 87 | 85 | 80 | 79 | 79 | 82 | 80 | 82 | 88 | 87 | 88 | 84 | |||
Earth Temperature at 3 ft. 2 in. depth | 43.5 | 41.8 | 43 0 | 45.4 | 49.9 | 57.5 | 58.6 | 60.8 | 58.7 | 56.1 | 48.2 | 458 | 50.8 | |||
Bright Sunshine. | Total Observed Hours | 54 | 70 | 150 | 130 | 219 | 185 | 113 | 177 | 142 | 70 | 50 | 20 | 1380 | ||
Difference from Average † | + 13 | + 13 | + 51 | —17 | +33 | —12 | —123 | —34 | —13 | .25 | +2 | —13 | —123 | |||
Per cent. of Possible | 21 | 25 | 41 | 31 | 46 | 37 | 23 | 39 | 38 | 21 | 19 | 8 | 31 | |||
Rain and other forms of Precipitation. | Number of Days | 15 | 24 | 10 | 16 | 19 | 13 | 18 | 17 | 3 | 14 | 17 | 19 | 185 | ||
Total Fall Inches | 1.72 | 2.69 | 1 10 | 2.62 | 2.24 | 208 | 3.52 | 2.43 | 0.74 | 1.81 | 3.57 | 3.54 | 28.06 | |||
Difference from Average † | —0.16 | +1.21 | —0.42 | + 1.05 | —0.32 | +004 | +112 | +009 | —1.41 | —0.97 | +1.35 | +1.71 | +3.93 |
# The hours of observation are 9 a.m. and 9 p.m.
f The averages used are obtained from observations extending over 65 years for Rain and Temperature and 10 years for Sunshine.