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
Months | 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. | Prevailing Wind. | |||
1ft. | 4ft. | Depth | Date. | ||||||||
September. | |||||||||||
Means | 64.1 | 57.5 | 76.1 | 50.1 | 59.3 | 57.9 | 1.09 | .. | .. | .. | S.E. |
Highest | 70 | 65 | 83 | 60 | 61 | 58 | .. | 0.96 | 6th | 3 | .. |
Lowest | 53 | 48 | 60 | 41 | 57 | 57 | .. | .. | .. | .. | .. |
October. | |||||||||||
Means | 44.8 | 42.8 | 52.2 | 38.3 | 51.9 | 55.9 | 2.97 | .. | .. | .. | W.&N.W. |
Highest | 64 | 61 | 73 | 54 | 59 | 57 | .. | 1.01 | 5th | 13 | .. |
Lowest | 30 | 29 | 39 | 21 | 44 | 54 | .. | .. | .. | .. | .. |
November. | |||||||||||
Means | 45.3 | 44.1 | 65.0 | 35.5 | 30.9 | 51.6 | 4.39 | .. | .. | .. | .. |
Highest | 60 | 52 | 63 | 50 | 50 | 54 | .. | 065 | 5th | 19 | .. |
Lowest | 29 | 29 | 42 | 27 | 45 | 50 | .. | .. | .. | .. | .. |
December. | |||||||||||
Means | 38.2 | 36.8 | 44.0 | 32.2 | 42.2 | 48.06 | 2.29 | .. | .. | .. | w. |
Highest | 52 | 50 | 55 | 46 | 46 | 50 | .. | 0.40 | 14th | 17 | .. |
Lowest | 25 | 25 | 34 | 21 | 39 | 46 | .. | .. | .. | .. | .. |