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 the year 1909
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Meteorological Observations made at the Royal Botanic Society's Gardens, Regent's Park, London.
Months. 1909. | Means at 9 a.m. | Extreme Temperatures. | Rainfall. | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Barometer reduced to Sea-level. | Thermometer. | Shade. | Maximum, Sun. | Minimum on Grass. | Total Depth. | Number of Days. | Sunshine (bright). | Sunshine. Number of Days. | |||||
Dry bulb. | Wet bulb. | Maximum. | Minimum. | ||||||||||
January | Ins. 30.16 | Deg. 37.6 | Deg. 36.0 | Deg. 50.8 | Date. 15th | Deg. 25.8 | Date. 29th | Deg. 72.0 | Deg. 19.5 | Ins. 0.81 | 14 | Hr. Min. 38.19 | 17 |
February | 30.14 | 36.1 | 34.7 | 54.8 | 4th | 23.0 | 23rd | 76.0 | l6.0 | 0.49 | 8 | 55.54 | 21 |
March | 29.65 | 37.2 | 38.2 | 59.0 | 29th | 19.0 | 5th | 92.0 | 14.0 | 2.80 | 26 | 56.15 | 18 |
April | 30.00 | 50.4 | 45.2 | 71.5 | 9th | 30.0 | 2nd | 108.0 | 24.0 | 1.55 | 12 | 215.28 | 29 |
May | 30.11 | 55.8 | 50.7 | 80.8 | 22nd | 34.5 | 2nd | 124.0 | 28.5 | 1.91 | 10 | 313.49 | 3° |
June | 29.97 | 54.2 | 53.5 | 70.2 | 17 th | 39.5 | 11th | 114. 0 | 35.0 | 3.95 | 19 | 11.54 | 23 |
July | 29.94 | 61.0 | 56.3 | 76.0 | 18th | 44.0 | 1st | 120.0 | 40.0 | 3.50 | 19 | 182.37 | 30 |
August | 30.01 | 63.3 | 58.4 | 85.5 | 12th | 45.0 | 3rd | 123.0 | 42.0 | 1.74 | 11 | 225.30 | 29 |
September | 30.03 | 55.4 | 52.8 | 69.5 | 6th | 40.8 | 2nd | 111.0 | 36.0 | 2.46 | 21 | 112.18 | 23 |
October | 29.83 | 53.3 | 50.8 | 65.0 | 5th | 34.0 | 29th | 103.0 | 27.5 | 4.27 | 18 | 68.52 | 20 |
November | 30.05 | 40.5 | 38.8 | 53.8 | 6th | 29.8 | 9th | 67.0 | 23.0 | 0.74 | 12 | 53.57 | 20 |
December | 29.70 | 39.6 | 37.8 | 52.5 | 28th | 24.0 | 21st | 72.0 | 15.0 | 2.86 | 22 | 25.14 | 13 |
Totals for Year | - | - | — | - | — | — | - | — | - | 27.08 | 192 | 1,460.07 | 273 |
Means | 29.96 | 48.7 | 46.1 | — | — | — | — | — | — | — | — | — | — |
Highest | — | — | — | 85.5 | Aug. | — | — | 124.0 | — | — | — | — | — |
Lowest | — | — | — | — | — | 19.0 | Mar. | — | 14.0 | — | — | — | — |