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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1908. | Air Temperature. | Bright Sunshine. | Rain and other forms of Precipitation. | ||||||
---|---|---|---|---|---|---|---|---|---|
Mean of— | Mean of A. and B. | Difference from Average. | Total observed. | Difference from Average. | Per cent, of possible. | Total fall. | Difference from Average. * | ||
Minimum. A. | Maximum- B. | ||||||||
Q | Q | Q | hrs. | hrs. | ins | ins. | |||
January | 30.9 | 41.7 | 36.3 | - 2.1 | 57 | + 16 | 22 | 1.51 | - 0.37 |
February | 35.7 | 47.5 | 41.6 | + 1.8 | 63 | + 6 | 22 | 1046 | - 0.02 |
March | 33.9 | 47.6 | 40.7 | - 1.8 | 102 | + 3 | 28 | 2.22 | + 0.70 |
April | 36.8 | 51.7 | 44.3 | - 3.8 | 137 | - 10 | 33 | 2.10 | + 0.53 |
May | 47.2 | 66.2 | 56.7 | + 2.9 | 200 | + 14 | 41 | 1.53 | - 0.39 |
June | 49.7 | 71.0 | 60.4 | + 0.1 | 262 | + 65 | 53 | 2.07 | + 0.03 |
July | 53.2 | 73.0 | 63.1 | - 0.6 | 202 | - 34 | 41 | 3.66 | + 1.26 |
August | 51.4 | 70.1 | 60.7 | - 2.2 | 214 | + 4 | 48 | 3.28 | + 0.94 |
September | 47.7 | 66.4 | 67.0 | - 1.2 | 165 | + 10 | 44 | 1.22 | - 0.93 |
October | 46.0 | 62.9 | 54.5 | + 4.1 | 133 | + 38 | 40 | 1.97 | - 0.81 |
November | 39.8 | 52.1 | 45.9 | + 2.5 | 77 | + 29 | 29 | 0.76 | - 1.46 |
December | 35.3 | 43.5 | 39.4 | - 0.2 | 22 | - 11 | 9 | 2.00 | + 0.17 |
Year | 42.3 | 57.8 | 50.1 | 0.0 | 1634 | + 132 | 37 | 23.78 | - 0.34 |
* The averages used are obtained from observations extending over 50 years for Rain and Temperature.
and 15 years for Sunshine.