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 Holborn Borough]
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TABLE VI. METEOROLOGY OF LONDON, 1932. (Deduced from observations at Greenwich under the superintendence of the Astronomer Royal)
1930. | Air Temperature. | Bright Sunshine. | Rain and other forms of Precipitation. | ||||||
---|---|---|---|---|---|---|---|---|---|
Mean of— | Mean of A.& B. | Difference from Average.* | Daily Mean. | Difference from Average. * | Per cent. of possible. | Total Fall. | Difference from Average.* | ||
Maximum. A | | Minimum.. B | ||||||||
°F | °F | °F | °F | hrs. | hrs. | % | m.m. | m.m. | |
January | 49.0 | 38.4 | 43.7 | + 5.2 | 1.19 | -0.05 | 14 | 40 | - 3 |
February | 42.6 | 33.1 | 37.9 | -1.9 | 1.46 | -0.58 | 15 | 8 | -32 |
March | 49.7 | 32.7 | 41.2 | -1.3 | 3.79 | + 0.39 | 32 | 37 | -7 |
April | 54.6 | 38.4 | 46.5 | -1.1 | 3.71 | -1.31 | 27 | 62 | + 25 |
May | 61.9 | 44.8 | 53.3 | -0.7 | 3.46 | -3.01 | 22 | 103 | +59 |
June | 69.7 | 49.1 | 59.4 | -0.5 | 0.18 | -0.52 | 37 | 17 | - 34 |
July | 73.5 | 53.7 | 63.6 | + 0.1 | 4.36 | -2.14 | 27 | 75 | + 18 |
August | 78.1 | 56.6 | 67.3 | + 4.7 | 6.12 | -0 .08 | 42 | 57 | + 1 |
September | 66.7 | 50.4 | 58.5 | + 0.5 | 3.34 | - 1.61 | 27 | 53 | + 8 |
October | 56.3 | 42.5 | 49.4 | - 0.8 | 2.74 | - 0.38 | 26 | 137 | + 73 |
November | 49.2 | 39.9 | 44.5 | + 0.5 | 0.60 | - 1.12 | 7 | 26 | - 32 |
December | 46.8 | 37.9 | 42.3 | + 2.1 | 1.35 | + 0.29 | 17 | 13 | - 44 |
Year | 58.2 | 43.1 | 50 .7 | +0.6 | 3.19 | -0.84 | 24 | 628 or 24.72 ins. | + 32 or + l.26in. |
*The averages used are obtained from observations extending over 35 years (1881-1915).