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 Richmond]
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54
30 years. The lowest point was reached on the nth, when 28
degrees were registered.
Rainfall. Rain fell on 19 days during the month, the total
fall being 2.12 inches, as compared with 1.49 the
mean for the preceding 35 years.
Wind. Chiefly S.W. throughout the month.
APRIL.
Barometer. The mean pressure for the month was 297 inches,
as compared with 29.9 the mean for the preceding
30 years.
Thermometers. The mean maximum temperature was 53.4
degrees, as compared with 56.6 the mean for .
the preceding 30 years. The mean minimum temperature was 37
degrees, as compared with 39.9 degrees the mean for the preceding
30 years. The lowest was 28 degrees on the 16th and 17th.
Rainfall. Rain fell 10 days in the month, the total being 1.82
inches, as compared with 1.65 the mean for the
preceding 35 years.
Wind. Chiefly from the N. and N.W.
MAY.
Barometer. The mean barometric pressure for the month was
29.7 inches, as compared with 29.98 the mean for
30 years. There was a gradual rise to 30.3 on the 24th.
Thermometers. The mean maximum temperature was 63
degrees, as compared with 62.6 degrees the
mean for the preceeding 30 years. There was a sharp rise of nearly
3 degrees from the 16th to the 27th of the month. Previous to the