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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METEOROLOGICAL OBSERVATIONS
TAKEN AT HARROW DURING THE YEAR ENDING DECEMBER 31st, 1897.
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 011 which .01 or more fell. | Prevailing Wind. | |||
Depth | Date. | ||||||||||
1ft. | 4ft. | ||||||||||
January. | |||||||||||
Means | 34.09 | 34.2 | 39.2 | 30.4 | 31.6 | 44.5 | 2.06 | .. | .. | .. | N.E. |
Highest | 44 | 43 | 46 | 42 | 43 | 45 | .. | 0.62 | 8th | 19 | .. |
Lowest | 23 | 22 | 30 | 22 | 36 | 43 | .. | .. | .. | .. | .. |
February. | |||||||||||
Means | 42.07 | 40.07 | 47.3 | 37.6 | 40.5 | 42.9 | 2.82 | .. | .. | .. | S.W. |
Highest | 49 | 47 | 58 | 48 | 45 | 44 | .. | 0.64 | 4 th | 14 | .. |
Lowest | 32 | 31 | 37 | 28 | 36 | 42 | .. | .. | .. | .. | |
March. | |||||||||||
Means | 44 | 42.1 | 51.3 | 38.1 | 43.3 | 44.1 | 3.84 | .. | .. | .. | S.W. |
Highest | 54 | 57 | 61 | 49 | 47 | 45 | .. | 0.63 | 17th | 21 | .. |
Lowest | 35 | 34 | 43 | 27 | 40 | 44 | .. | .. | .. | .. | |
April. | |||||||||||
Means | 47.1 | 43.6 | 49.5 | 38.7 | 451 | 45.9 | 1.92 | .. | .. | .. | N.E. |
Highest | 54 | 51 | 68 | 46 | 49 | 46 | .. | 0.24 | 30th | 19 | .. |
Lowest | 34 | 33 | 42 | 28 | 42 | 45 | .. | .. | .. | .. | .. |
May. | |||||||||||
Means | 51.83 | 47.74 | 60.38 | 42.09 | 50.77 | 48.96 | 1.56 | .. | .. | .. | N.W. |
Highest | 63 | 57 | 71 | 53 | 55 | 50 | .. | 0.38 | 31st | 10 | .. |
Lowest | 43 | 37 | 47 | 33 | 48 | 46 | .. | .. | .. | .. | .. |
June | |||||||||||
Means | 6106 | 601 | 36.6 | 51.2 | 57.8 | 52.3 | 4.13 | .. | .. | .. | W. |
Highest | 75 | 68 | 84 | 61 | 61 | 54 | .. | 2.24 | 24th | 13 | .. |
Lowest | 52 | 47 | 55 | 43 | 56 | 50 | .. | .. | .. | .. | .. |
July. | |||||||||||
Means | 64.2 | 61.4 | 75.3 | 52.9 | 63.06 | 56.2 | 0.42 | .. | .. | .. | N.E. &W. |
Highest | 76 | 67 | 81 | 59 | 63 | 58 | .. | 0.17 | 19th | .. | |
Lowest | 49 | 48 | 64 | 42 | 60 | 54 | .. | .. | .. | .. | .. |
August. | |||||||||||
Means | 62.1 | 58.5 | 65.2 | 52.6 | 62.4 | 58.8 | 3.13 | .. | .. | .. | S.W. |
Highest | 75 | 67 | 87 | 60 | 64 | 60 | .. | 0.82 | 25th | 16 | .. |
Lowest | 58 | 54 | 64 | 46 | 60 | 58 | .. | .. | .. | .. | .. |