P.W R. Hongkong,
A comparative statement of the local rainfall for the year at various points is given in the following table :-
Month. Royal Observatory. Kowloon Reservoir. Public Gardens. Taitam January, 0.345 0.51 0.46 0.12 0.23 0.40 0.61 February, 0.405 0.69 0.48 0.41 0.45 0.70 0.95 March, 2.670 2.21 3.13 2.13 2.19 2.77 3.07 April, 6.230 5.25 5.93 5.78 6.94 5.92 8.64 May, 9.685 16.25 9.31 10.06 11.92 8.74 12.52 June, 11.540 12.04 10.17 12.15 10.58 14.43 19.36 July, 30.075 29.20 32.66 26.92 24.68 27.32 25.17 August.... 11.950 9.13 12.12 10.87 9.80 12.87 13.26 September, 4.880 6.10 5.11 3.96 3.50 6.08 4.82 October, 3.470 1.37 3.05 7.13 2.39 1.27 2.53 November, 0.095 0.12 ... ... ... ... ... December, 1.140 1.10 1.24 0.84 0.74 1.08 2.16 Total 1917, 81.485 83.85 83.78 79.855 72.42 ... 93.09 1916.. 83.78 93.87 83.84 86.19 79.51 77.34 103.26 Increase, or Decrease, -1.630 -10.02 -0.06 -5.32 -7.09 +4.24 -10.17The total quantity of water supplied during the year amounted to 1,773.00 million gallons filtered and 29.53 million gallons unfiltered, making a grand total of 1,802.53 million gallons or 91.88 million gallons less than during 1916.
The average consumption of filtered water per head per day for all purposes throughout the whole year amounted to 1.86 gallons whilst, during constant supply in all districts, it was 2.17 and, during the time that the supply in the Rural Main Districts was derived from public street fountains, it amounted to 1.35. In arriving at the above figures, the population has been estimated at 268,519.
Full details of consumption, &c., will be found in Annexes C and D.
The analyses made by the Government Analyst show that the water was of good quality throughout the year, and the results obtained by the bacteriological examinations were likewise satisfactory.
The quantity of water pumped to the High Level District during the year amounted to 100.63 million gallons, equal to an average daily consumption of about 276,000 gallons, whilst 36.95 million gallons were pumped to the Hill District, giving an average daily consumption of about 101,000 gallons. As compared with 1916, there was an increase of 7.33 million gallons pumped to the High Level District and also an increase of 5.40 million gallons pumped to the Hill District.