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 Wandsworth District, The Board of Works (Clapham, Putney, Streatham, Tooting & Wandsworth)]
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TABLE VII.
Winter Jan., Feb., March. Sprint: April, May, June. Summer July, Aug., Sept. Autumn Oct., Not., Dec. | Temperature of | Elastic Force of Vapour. | Weight of Vapour in a Cubic Foot of Air. | Degree of Humidity. | Reading of Barometer. | Weight of a Cubic Foot of Air. | Rain. | Reading of Thermometer on Grass. | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Air. | Evaporation. | Dew Point. | Air-Daily Range. | Number of Nights it was | Lowest Reading at Night. | Highest Reading at Night. | ||||||||||||||||||||
Mean. | Diff. from Average of 110 years. | Diff. from Average of 40 years. | Mean. | Diff. from Average of 40 years. | Mean. | Diff. from Average of 40 years. | Mean. | Diff. from Average of 40 years. | Mean. | Diff. from Average of 40 years. | Mean. | Diff. from Average of 40 years. | Mean (sat.=100). | . Diff. from Average of 40 years. | Mean. | Diff. from Average of 40 years. | Mean. | Diff. from Average of 40 years. | Mean. | Diff. from Average of 40 years. | At or below 30°. | Between 30° and 40°. | Above 40°. | |||
1882. | ° | ° | ° | ° | ° | ° | ° | ° | ° | in. | in. | grs. | grs. | in. | in. | grs. | grs. | Sum in. | in. | Sums. | ° | ° | ||||
YEAR. | 49.7 | + 1.1 | + 0.3 | 47.2 | +0.7 | 44.7 | + 1.0 | 15.2 | -0.7 | •803 | +0.008 | 3.5 | 0.0 | 84 | +3 | 29.758 | —0.015 | 541 | —1 | 25.16 | + 0.07 | 91 | 136 | 138 | 16.3 | 55.8 |
First Quarter | 42.7 | + 4.0 | + 2.9 | 41.0 | + 3.1 | 38.9 | + 3.4 | 12.7 | +0.9 | .239 | +0.032 | 2.8 | +0.4 | 87 | + 3 | 30.026 | +0.261 | 554 | + 1 | 3.63 | -1.41 | 42 | 40 | 8 | 16.3 | 46.6 |
Second do. | 53.0 | +0.7 | +0.1 | 49.7 | +0.6 | 46.5 | + 1.1 | 19.1 | —0.9 | .318 | +0.014 | 3.6 | +0.1 | 79 | + 4 | 29.737 | —0.046 | 537 | —2 | 6.13 | + 0.30 | 18 | 33 | 40 | 23.7 | 53.2 |
Third do. | 58.1 | —1.6 | —2.2 | 55.0 | —1.5 | 52.1 | —0.9 | 18.3 | —1.4 | .391 | —0.019 | 4.4 | —0.3 | 81 | +3 | 29.709 | —0.086 | 530 | + 1 | 6.01 | —1.41 | 1 | 29 | 62 | 290 | 55.8 |
Fourth do. | 44.8 | +1.2 | +0.3 | 43.1 | +0.5 | 41.2 | +0.5 | 10.5 | —1.3 | .263 | +0.004 | 3.0 | 0.0. | 88 | + 1 | 29.560 | —0.191 | 543 | —4 | 9.39 | + 2.25 | 30 | 34 | 28 | 18.2 | 64.2 |
In this Table, + and — respectively signify that the numbers in the preceding column are above or below the average to the extent of the quantities to which these signs are prefixed. |