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 Harrow-on-the-Hill]
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9
METEOROLOGICAL OBSERVATIONS
TAKEN AT HARROW DURING THE YEAR ENDING DECEMBER 31ST, 1898.
By T. CHARLES, Surveyor to the Council.
Month. | Hygrometer. | Temperature. | Rainfall. | Wind. | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Dry Bulb. | Wet Bulb. | Max. | Min. | Earth. | Total Depth | Greatest fall in 24 hours. | No of Days on which .01 or more fell. | Total Mileage of Wind. | Prevailing Winds. | |||
1ft. | 4ft. | Depth | Date | |||||||||
January. | ||||||||||||
Means | 41.7 | 40.6 | 46.9 | 37.03 | 43.1 | 46.03 | 0.84 | 0.27 | 5th | 11 | 5255 | s.w. |
Highest | 51 | 50 | 54 | 50 | 45 | 47 | .. | .. | .. | .. | .. | .. |
Lowest | 31 | 31 | 40 | 25 | 42 | 46 | .. | .. | .. | .. | .. | .. |
February. | ||||||||||||
Means | 38.32 | 37.10 | 45.75 | 34.14 | 41.82 | 45.53 | 1.17 | 0.20 | 5 th | 12 | 7395 | N.W. |
Highest | 51 | 50 | 55 | 43 | 45 | 46 | .. | .. | .. | .. | .. | W. |
Lowest | 31 | 29 | 41 | 22 | 39 | 45 | .. | .. | .. | .. | .. | .. |
March. | ||||||||||||
Means | 38.54 | 36.45 | 46.93 | 33.29 | 40.51 | 42.12 | 1.24 | 0.25 | 26th | 13 | 6400 | N.E. |
Highest | 51 | 49 | 58 | 48 | 44 | 45 | .. | .. | .. | .. | .. | .. |
Lowest | 33 | 31 | 38 | 26 | 39 | 44 | .. | .. | .. | .. | .. | .. |
April. | ||||||||||||
Means | 47.13 | 44.5 | 52.9 | 38.56 | 45.3 | 44.9 | 1.27 | 0.20 | 9th | 12 | 4280 | N.E. |
Highest | 53 | 51 | 66 | 48 | 48. | 46 | .. | .. | .. | .. | .. | S.E. |
Lowest | 34 | 32 | 48 | 27 | 41 | 44 | .. | .. | .. | .. | .. | S.W. |
May. | ||||||||||||
Means | 52.12 | 48.61 | 59.38 | 44.38 | 50.48 | 47.93 | 2.42 | 0.40 | 19th | 25 | 4570 | N.E. |
Highest | 66 | 59 | 72 | 52 | 54 | 49 | .. | .. | .. | .. | .. | .. |
Lowest | 46 | 43 | 51 | 33 | 48 | 47 | .. | .. | .. | .. | .. | .. |
June. | ||||||||||||
Means | 54.4 | 55.36 | 66.53 | 49.16 | 56.3 | 51.73 | 1.55 | 0.45 | 27th | 13 | 4985 | S.W. |
Highest | 69 | 68 | 76 | 60 | 59 | 54 | .. | .. | .. | .. | .. | .. |
Lowest | 49 | 45 | 55 | 38 | 53 | 49 | .. | .. | .. | .. | .. | .. |
July. | ||||||||||||
Means | 60.70 | 58.74 | 71.25 | 52.0 | 59.67 | 55 | 0.57 | 0.21 | 1st | 7 | 4270 | N.W. |
Highest | 71 | 69 | 81 | 60 | 61 | 54 | .. | .. | .. | .. | .. | .. |
Lowest | 54 | 52 | 59 | 41 | 58 | 56 | .. | .. | .. | .. | .. | .. |
August. | ||||||||||||
Means | 63.45 | 61.38 | 70.16 | 54.38 | 61.70 | 56.45 | 1.21 | 0.50 | 7th | 10 | 4765 | N.W. |
Highest | 75 | 74 | 87 | 65 | 65 | 59 | .. | .. | .. | .. | .. | .. |
Lowest | 53 | 51 | 63 | 47 | 58 | 56 | .. | .. | .. | .. | .. | .. |