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
City of London 1869
[Report of the Medical Officer of Health for London, City of]
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VII._Meteorology of the City of London for each Month in the Year ending in September 1870 from Observations at the Engineer's Office, Guildhall, under the direction of Mr. Haywood.
| 1869.70. MONTHS. | Barometer. | Dry Thermometer. | Wet Thermometer or Hygrometer. | Rain Gauges. | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean Pressure. | Highest Pressure | Lowest Pressure. | Mean Temperature. | Highest Temperature. | Lowest Temperature. | Mean Daily Range. | Mean Temperature. | Dew Point. | Degree of Humidity. | Weight of vapour in cubic foot of air. | Vapour required to saturate foot of air. | Total Fall. | Greatest Fall. | Lowest Fall. | |||||
| Dry Bulb. | Wet Bulb. | On Grnd. | 51 ft. above Grnd. | On Grnd. | 51 ft. above Grnd. | On Grnd. | 51 ft. above Grnd. | ||||||||||||
| Inches. | Inches | Degrees. | Deg. | Deg. | Deg. | Deg. | Deg. | Deg. | Deg. | Grns. | Grns | Ins. | Ins. | Ins. | Ins. | Ins. | Ins. | ||
| October | 29.978 | 30.508 | 29.398 | 51.4 | 70.5 | 33.1 | 9.5 | 51.4 | 48.0 | 44.5 | 78 | 3.4 | 0.9 | 1.93 | 1.97 | 0.71 | 0.75 | o.oi | o.oi |
| November | 29.858 | 30.536 | 29.592 | 45.3 | 57.5 | 33.9 | 8.3 | 45.3 | 42.6 | 39.5 | 80 | 2.8 | 0.7 | 2 35 | 2.23 | 1.00 | 0.94 | o.oi | o.oi |
| December | 29741 | 30.570 | 29.350 | 41.5 | 56.5 | 26.9 | 7.9 | 41.5 | 39.3 | 36.5 | 84 | 2.5 | 0*5 | 2.27 | 2.38 | 0.61 | 0'64 | 0.03 | 0.03 |
| January | 29.929 | 30.628 | 29.126 | 40.6 | 52.3 | 27.9 | 6.8 | 40.6 | 38.5 | 35.8 | 83 | 2.4 | 0*5 | 1.44 | 1.42 | 0.27 | 0.27 | 0.03 | 0*02 |
| February | 29.776 | 30.370 | 29.366 | 37.4 | 54.5 | 22.9 | 8.6 | 37.4 | 36.2 | 34.6 | 89 | 2.3 | 0.3 | 0.70 | 0 70 | 0.20 | 0.20 | 0*02 | 0.02 |
| March | 29.930 | 30.442 | 29.562 | 41.8 | 58.4 | 31.5 | 7.8 | 41.8 | 40.3 | 39.0 | 89 | 2.9 | 0.4 | 1'94 | 1.80 | 0.87 | 0.84 | o.oi | o.oi |
| April | 30.058 | 30.500 | 29.500 | 50.1 | 70.0 | 34.4 | 14.3 | 50.1 | 49.0 | 47.8 | 93 | 3.8 | 0.3 | 0.34 | 0.32 | 0"16 | 0.14 | o.oi | o.oi |
| May | 30.007 | 30.420 | 29.474 | 54.4 | 78.0 | 38.9 | 15.3 | 54.5 | 50.4 | 46.5 | 74 | 3.6 | 1.2 | 0.70 | 0*70 | 0.23 | 0.23 | o.oi | o.oi |
| June | 30.004 | 30.488 | 29.724 | 62.1 | 82.0 | 47.4 | 14.8 | 62.2 | 55.7 | 50.2 | 65 | 4.0 | 2.2 | 0.56 | 0.56 | 0.29 | 0.29 | 0.02 | 0.02 |
| July | 29.933 | 30.324 | 29.688 | 65.8 | 83.0 | 51.9 | 14.8 | 65.8 | 59.9 | 55.0 | 69 | 4.8 | 2.2 | 1.43 | 1.47 | 0.58 | 0.63 | o.oi | o.oi |
| August | 29.961 | 30.320 | 29.766 | 62.2 | 76.5 | 50.9 | 11.7 | 62.2 | 55.9 | 50.4 | 66 | 4.0 | 2.2 | 2.09 | 2.09 | 0.84 | 0.84 | o.oi | o.oi |
| September. | 29.992 | 30.542 | 29.392 | 57.5 | 69.5 | 47.5 | 11.7 | 57.4 | 53.3 | 49.5 | 74 | 3.9 | 1.2 | 1.97 | 1.97 | 0.67 | 0.67 | 0.03 | 0.03 |
Besides which, there were 3542 lbs of Eels and 30 lbs. of Salmon.
Note.—Of the 808242 Fish condemned in the year, 637780 were brought
by railway, and 170462 by water.