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 Hornsey, Borough of]
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(a) Roof of Town Hall. (6) Church of Christ— Wightman Road, (c) Highgate Depot, North Hill. | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1956 | Deposit in Tons per Square Mile | ||||||||||||||
Rainfall in inches | Total water-insoluble matter | Ash | Total water-soluble matter | Total solids | |||||||||||
(a) | (b) | (c) | (a) | (b) | (c) | (a) | (b) | (c) | (a) | (b) | (c) | (a) | (b) | (c) | |
January | 3.54 | 3.64 | 3.65 | 9.73 | 23.37 | 6.00 | 6.40 | 17.68 | 3.74 | 7.66 | 9.59 | 7.22 | 17.39 | 32.96 | 13.22 |
February | 0.20 | 0.17 | 0.14 | 6.69 | 13.97 | 3.48 | 4.60 | 11.29 | 2.42 | 2.94 | 3.47 | 2.52 | 9.63 | 17.44 | 6.00 |
March | 0.77 | 0.82 | 0.92 | 16.52 | 12.35 | 9.00 | 12.42 | 8.36 | 6.03 | 5.81 | 6.58 | 5.12 | 22.33 | 18.93 | 14.12 |
April | 1.22 | 1.17 | 1.19 | 8.62 | 20.91 | 6.69 | 5.68 | 15.77 | 4.46 | 4.78 | 5.94 | 4.54 | 13.40 | 26.85 | 11.23 |
May | 0.485 | 0.52 | 0.49 | 8.00 | 20.22 | 6.68 | 5.46 | 14.27 | 4.16 | 2.16 | 3.47 | 2.87 | 10.16 | 23.69 | 9.55 |
June | 2.57 | 2.62 | 2.56 | 5.19 | 18.27 | 11.62 | 3.08 | 5.48 | 8.92 | 4.91 | 7.07 | 4.90 | 10.09 | 25.34 | 16.52 |
July | 4.36 | 4.14 | 5.36 | 5.76 | 21.11 | 3.35 | 3.63 | 16.11 | 1.84 | 11.14 | 11.21 | 7.64 | 16.90 | 32.32 | 10.99 |
August | 5.46 | 5.83 | 5.40 | 3.30 | 13.87 | 2.85 | 2.34 | 10.38 | 2.25 | 7.59 | 14.36 | 7.52 | 10.89 | 28.23 | 10.37 |
September | 2.08 | 2.12 | 2.08 | 3.27 | 11.78 | 3.11 | 2.65 | 7.08 | 2.15 | 5.60 | 7.86 | 6.22 | 8.87 | 19.64 | 9.33 |
October | 2.47 | 2.27 | 2.40 | 5.06 | 9.82 | 4.13 | 3.23 | 5.96 | 2.89 | 3.66 | 5.72 | 4.76 | 8.72 | 15.54 | 8.89 |
November. | 0.33 | 0.31 | 0.34 | 4.41 | 10.35 | 5.12 | 3.27 | 6.17 | 2.95 | 3.96 | 4.94 | 4.23 | 8.37 | 15.29 | 9.35 |
December | 2.34 | 2.67 | 2.63 | 5.56 | 13.78 | 5.47 | 3.89 | 8.55 | 3.87 | 8.08 | 11.45 | 7.49 | 13.64 | 25.23 | 12.96 |