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METEOROLOGY.
The mean temperature of the air at Greenwich, in 1884, was50°.7
Fahrenheit, or 1.3 above the average of 43 years; the
means in the four quarters respectively being 43.4, 52.5, 62.7,
and 44.1. The highest reading by day (94.2) was registered in
the week ending August 16th, and the lowest reading by night
(24.5) in the week ending November 29th, the means of the
highest weekly readings by day, in the four quarters respectively,
being 55.0, 69.2, 83.1, and 55.0, and of the lowest readings by
night 32.2, 39.1, 48.5, and 32.3. The hottest week in the year
was that which ended on August 16th (mean temperature, 68.9),
and the coldest week that which ended January 3rd, 1885 (meau
temperature, 33.2). August was the hottest month (mean temperature,
65.3), and December the coldest (mean temperature,
41.0). August exhibited the greatest range in temperature, viz.,
48.4—from 94.2 to 45.8, and January the smallest range, viz.,
24.1—from 55.3 to 31.2. The dryness of the atmosphere, i.e.,
the difference between dew-point temperature and air temperature
was 6.3, or 0.7 above the average of 43 years. Rain fell on 150
days, the total amount registered in the year being 18'05 inches ;
the average of 70 years behing 22.38 inches. Most rain fell in
December (2.54 inches), and least in August (0.67). The means
of the readings of the barometer were 29.813 inches. The
means of November, 29.978, and of April, 29.645, being
respectively highest and lowest. The relative proportion of
wind was : north, 76; east, 82; south, 85; and west, 123.
VACCINATION.
Table X. (Appendix) is a return respecting the vaccination of
children, whose births were registered in 1884, compiled by
Mr. Shattock, the Vaccination Officer, whose energetic discharge
of the duties of his appointment it is again my pleasing duty to