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
Greenwich 1937
[Report of the Medical Officer of Health for Greenwich Borough]
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METEOROLOGICAL TABLE. (From Obeservations at Greenwich, under the Superintendence of the Astronomer Royal).
| 1937 | Air Temperature | Bright Sunshine | Rain & Other Forms of Precipitation | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean of | Mean of A and B | Difference from Average† | Daily Mean | Percentage of Average† | Per cent of Possible | Total fall | Percentage of Average† | Most in a day | |||
| A | B | Amount | Day of month | ||||||||
| Maximum | Minimum | ||||||||||
| °F | °F | °F | °F | Hr. | Hr. | % | mm. | mm. | mm. | ||
| January | 46.8 | 36.3 | 41.5 | + 1.4 | 1.18 | 96 | 14 | 86 | 201 | 13 | 1 |
| February | 48.6 | 37.8 | 43.2 | + 2.8 | 1.49 | 72 | 15 | 100 | 251 | 18 | 7 |
| March | 46.9 | 33.4 | 40.1 | —3.1 | 2.96 | 87 | 25 | 74 | 168 | 17 | 6 |
| April | 57.5 | 42.0 | 49.7 | + 2.2 | 2.73 | 59 | 20 | 62 | 167 | 12 | 2 |
| May | 65.1 | 46.7 | 55.9 | + 1.1 | 5.08 | 81 | 33 | 87 | 197 | 18 | 20 |
| June | 71.1 | 50.2 | 60.7 | + 1.0 | 5.72 | 85 | 35 | 48 | 93 | 20 | 18 |
| July | 73.7 | 55.3 | 64.5 | + 1.0 | 3.80 | 60 | 24 | 18 | 32 | 9 | 15 |
| August | 77.1 | 55.9 | 66.5 | + 3.5 | 5.54 | 92 | 38 | 43 | 77 | 26 | 30 |
| September | 68.0 | 48.9 | 58.8 | + 0.4 | 4.82 | 96 | 38 | 32 | 72 | 6 | 9 |
| October | 59.1 | 45.6 | 52.3 | + 1.0 | 2.61 | 81 | 24 | 59 | 92 | 15 | 23 |
| November | 47.1 | 36.1 | 41.6 | —1.9 | 1.04 | 66 | 12 | 35 | 59 | 12 | 1 |
| December | 42.3 | 34.2 | 38.3 | —2.8 | 0.44 | 45 | 6 | 37 | 152 | 17 | 2 |
| Year | 58.6 | 43.5 | 51.1 | + 0.6 | 3.12 | 79 | 26 | 731 | 122 | 26 | Aug. 30 |
† The averages of temperature and sunshine used are obtained from observations extending over 30 years
(1901-1930), those of rainfall are for the 35 years (1881-1915).