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)]
This page requires JavaScript
TABLE III.
METEOROLOGICAL TABLE FOR LONDON, 1878.
(Deduced from Observations, at Greenwich, under the Superintendence of the Astronomer Royal, and compiled from Quarterly Tables, furnished to the Registrar General by James Glashier, Esq., F.R.S.)
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 Heading at Night. | ||||||||||||||||||||
Mean. | Diff. from Average of 107 Years. | Diff. from Average of 37 Years. | Mean. | Diff. from Average of 86 Years. | Mean. | Diff. from Average of 37 Years. | Mean. | Diff. from Average of 37 Years. | Mean. | Diff. from Average of 37 Years. | Mean. | Diff. from Average of 37 Years. | Mean (Satn = 100). | Diff. from Average of 37 Years. | Mean. | Diff. from Average of 37 Years. | Mean. | Diff. from Average of 37 Years. | Amount. | Diff. from Average of 63 Years. | At or below 30°. | Between 30° and 40p. | Above 40°. | |||
1878. | ° | ° | ° | ° | ° | ° | ° | ° | ° | in. | in. | grs. | gr. | in. | in. | grs. | grs. | in. | in. | Sums. | ° | ° | ||||
YEAR | 49.6 | +1.0 | +0.3 | 46.8 | +0.2 | 43.8 | +0.2 | 14.6 | —1.3 | 0.299 | + 0.004 | 3.4 | — 0.0 | 81 | 0 | 29.751 | —0.086 | 541 | —1 | 29.2 | + 3.8 | 81 | 114 | 170 | 12.2 | 60. 2 |
First Quarter | 41.5 | +2.8 | +1.7 | 39.1 | +1.1 | 36.8 | + 0.8 | 10.8 | —1.1 | 0.214 | + 0.006 | 2.5 | + 0.0 | 82 | —2 | 29.990 | —0.023 | 555 | +3 | 3.1 | -2.0 | 39 | 34 | 17 | 13.5 | 48.0 |
Second do. | 54.6 | +2.3 | +1.7 | 50.9 | +1.7 | 47.3 | +1.9 | 18.7 | — 1.4 | 0.328 | + 0.021 | 3.7 | —0.2 | 77 | +1 | 29.684 | —0.104 | 534 | -4 | 13.2 | + 76 | 8 | 25 | 58 | 23.0 | 54.5 |
Third do. | 60.8 | +0.9 | +0.6 | 57. 1 | +0.8 | 53.9 | +1.0 | 18.5 | — 1.4 | 0.418 | + 0.014 | 4.7 | -0.2 | 78 | +1 | 29.756 | —0.044 | 528 | —2 | 6.5 | -0.9 | 0 | 12 | 80 | 31.6 | 60.1 |
Fourth do. | 41.6 | — 2.0 | —3.0 | 40.0 | —2.7 | 37.9 | —2.9 | 10.6 | —1.4 | 0.235 | — 0.025 | 2.7 | — 0.3 | 87 | —1 | 29.573 | —0.178 | 547 | 0 | 6.4 | — 0.9 | 34 | 43 | 15 | 12.2 | 52.1 |
In thiB 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.