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 III. METEOROLOGICAL TABLE TOR LONDON, 1876.
Winter Jan., Feb., March. Spring April, May, June. Summer July, Aug., Sept. Autumn Oct., Nov., 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 105 Years. | Diff. from Average of 35 Years. | Mean. | Diff. from Average of 85 Years. | Mean. | Diff. from Average of 35 Years. | Mean. | Diff. from Average of 35 Years. | Mean. | Diff. from Average of 35 Years. | Mean. | Diff. from Average of 35 Years. | Mean (Sat" = 100). | Diff. from Average of 35 Years. | Mean. | Diff. from Average of 35 Years. | Mean. | Diff. from Average of 35 Years. | Amount. | Diff. from Average of 61 Years. | At or below 30°. | Between 30° and 40e. | Above 40°. | |||
1876. | o | o | o | o | o | o | o | o | o | in. | in. | grs. | gr. | in. | in. | grs. | grs. | in. | in. | Sums. | o | o | ||||
YEAR | 50.1 | +1.3 | +0.6 | 46.9 | +0.3 | 43.7 | 0 0 | 16.3 | + 0.3 | 0295 | —o.ooo | 3.4 | 0.0 | 80 | —2 | 29.719 | —0.057 | 540 | —2 | 24.2 | — 1.1 | 75 | 130 | 161 | 14.0 | 59.7 |
First Quarter | 39.8 | +1.0 | —0.1 | 37'7 | —0.2 | 34.9 | — 0.5 | 120 | +0.2 | 0.203 | — 0.004 | 2.4 | — 0.1 | 83 | —2 | 29.705 | —0.058 | 552 | 0 | 4.9 | 00 | 44 | 38 | 9 | 14.0 | 44.8 |
Second do | 51.7 | + 1.3 | —1.3 | 47.6 | —1.6 | 43.5 | — 20 | 21.0 | + 09 | 0.287 | — 0.022 | . | —0.2 | 74 | —2 | 29.817 | +0028 | 540 | +1 | 3.5 | — 2.3 | 17 | 40 | 34 | •1 | 55.8 |
Third do. | 61.8 | +2.1 | +1.5 | 57.1 | +0.7 | 53.1 | +0.1 | 21.8 | + 2.0 | 0.406 | + 0.002 | 45 | + 0.1 | 74 | —4 | 29.763 | —0.038 | 528 | —2 | 5.3 | —2.2 | 0 | 11 | 81 | 34.1 | 59.7 |
Fourth do | 47.0 | — 3.3 | +2.4 | 45.1 | +2.4 | 43.1 | +2.3 | 10.3 | —1.7 | 0.282 | + 0.022 | 3.2 | + 02 | 87 | —1 | 29.590 | —0.161 | 541 | —6 | 10.5 | + 3.4 | 14 | 41 | 37 | 20.3 | 53.9 |
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.