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Sanitary Circumstances.
23
THE WEATHER IN 1914.
The Rainfall was below the average for nine months, and
above the average for the three months February, March, and
December. The exceptionally heavy rainfall during December was
phenomenal, rain falling on 24 days. In March rain fell on 26 days.
The driest month was January, with a total of .42in. January was
also remarkable for gloominess, only 23 2 hours of bright sunshine
being recorded during the whole of the month. This was, however,
eclipsed by December with only 20 hours' bright sunshine. The
brightest months of the year were April, May, and June with
220.8 hours, 204.6 hours, and 260.2 hours of bright sunshine
respectively.
The prevailing w inds were chiefly of a westerly type. The
wind blew from N.W. on 59 days, W. 51 days, S.W. 85 days.
Calm was registered on 11 days.
«
The winter temperatures have been several degrees above the
average. The shaded thermometer has fallen below 32° on seven
times during November and December, 1914.
SEWERAGE AND DRAINAGE.
The water carriage system prevails throughout the district,
with separate channels for storm water.
For the following account of the Sewage Works I am indebted
to W. Fairley, Esq., Engineer to the Richmond Main Sewerage
Board, run conjointly by Barnes and Richmond.
SEWAGE DISPOSAL WORKS.
The main sewers discharge into a pump well at the Purification
Works, which are on the riverside, at the extreme northern
corner of Mortlake Parish. The area of the site is eleven acres,
and a portion of the land is available for future extensions ; the
surface was formerly below the level of high tides, and had to be