London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Harrow 1919
[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, 1919.
By J PERCY BENNETTS, Engineer and Surveyor.
| Month | Hygrometer. | Temperature. | Rainfall | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dry Bulb | Wet Bulb | | Max. | Min. | Earth | Total Depth | Greatest Fall in 24 Hours | No. of Days on which .01 or more fell | |||
| 1 ft. | 4 ft. | Depth | Date | |||||||
| January. | ||||||||||
| Means | 35.70 | 35.22 | 41.99 | 31.96 | 39.83 | 45.96 | ... | ... | ... | ... |
| Highest | 50.00 | 50.00 | 52.00 | 45.00 | 43.00 | 47.00 | 4.03 | .90 | 27 | 22 |
| Lowest | 27.00 | 26.00 | 34.00 | 36.00 | 43.00 | ... | ... | ... | ... | |
| February. | ||||||||||
| Means | 33.92 | 33.71 | 41.64 | 30.32 | 36.00 | 41.64 | ... | ... | ... | ... |
| Highest | 48.00 | 48.00 | 50.00 | 47.00 | 41.00 | 43.00 | 2.87 | .70 | 16 | 15 |
| Lowest | 21.00 | 21.00 | 34.00 | 15.00 | 32.00 | 41.00 | ... | ... | ... | ... |
| March | ||||||||||
| Means | 38.90 | 37.70 | 46.00 | 34.29 | 40.45 | 42.64 | ... | ... | ... | ... |
| Highest | 51.00 | 53.00 | 56.00 | 48.00 | 43.00 | 43.00 | 3.54 | .8 | 5 | 19 |
| Lowest | 32.00 | 31.00 | 39.00 | 26.00 | 38.00 | 41.00 | ... | ... | ... | ... |
| April. | ||||||||||
| Means | 42.23 | 40.93 | 52.66 | 37.36 | 44.26 | 13.43 | ... | ... | ... | ... |
| Highest | 53.00 | 51.00 | 68.00 | 51.00 | 49.00 | 45.00 | 3.27 | 1.28 | 27 | 16 |
| Lowest | 29.00 | 29.00 | 44.00 | 27.00 | 39.00 | 42.00 | ... | ... | ... | ... |
| May. | ||||||||||
| Means | 55.58 | 51.83 | 67.19 | 46.74 | 51.87 | 47.16 | ... | ... | ... | ... |
| Highest | 68.00 | 65.00 | 79.00 | 52.00 | 56.00 | 50.00 | .36 | .25 | 6 | |
| Lowest | 47.00 | 45.00 | 55.00 | 41.00 | 44.00 | 45.00 | ... | ... | ... | ... |
| June. | ||||||||||
| Means | 58.13 | 55.40 | 69.26 | 49.36 | 45.70 | 50.70 | ... | ... | ... | ... |
| Highest | 73.00 | 68.00 | 81.00 | 60.00 | 60.00 | 54.00 | 1.45 | •76 | 20 | 7 |
| Lowest | 48.00 | 46.00 | 56.00 | 39.00 | 55.00 | 50.00 | ... | ... | ... | ... |
| July. | ||||||||||
| Means | 55.12 | 53.45 | 65.45 | 50.35 | 57.87 | 25.32 | ... | ... | ... | ... |
| Highest | 63.00 | 61.00 | 78.00 | 57.00 | 61.00 | 56.00 | 1.99 | .41 | 19 | 15 |
| Lowest | 49.00 | 48.00 | 55.00 | 44.00 | 55.00 | 54.00 | ... | ... | ... | ... |
| August. | ||||||||||
| Means | 59.67 | 57.80 | 73.20 | 53.64 | 60.48 | 56.74 | ... | ... | ... | ... |
| Highest | 67.00 | 65.00 | 86.00 | 63.00 | 64.00 | 58.00 | 2.68 | .86 | 28 | 12 |
| Lowest | 49.00 | 48.00 | 61.00 | 44.00 | 57.00 | 56.00 | ... | ... | ... | ... |