The rainfall for the year amounted to 91.47 inches being 11.08 inches more than last year and 5.85 inches above the average for the last forty-nine years. Practically the whole of the useful rainfall occurred during June, July and August when 71.89 inches fell. During these three months only 11 dry days were recorded. The rainfall for the first five months of the year amounted to only 10.95 inches. For the second year in succession beneficial rain fell in December.
The maximum quantity of water impounded in all reservoirs (exclusive of the Lower Aberdeen Reservoir) amounted to 2291.67 million gallons on 6 days between 5th and 31st August.
The total quantity of water pumped from Tai Tam Tuk Reservoir during the year amounted to 1383.67 million gallons of which 1354.14 million gallons were pumped by the Simpson Engines and 29.53 million gallons by the Tangye Engines. This total was less than that of last year by 22.53 million gallons.
The total quantity of water supplied during the year amounted to 3517.00 million gallons (which includes 651.28 million gallons from the mainland) filtered and 53.41 million gallons unfiltered, making a grand total of 3570.41 million gallons or 415.80 million gallons less than during 1931.
The average consumption of filtered water per head per day for all purposes throughout the year was about 25.1 gallons. In arriving at this figure the population has been estimated at 384,000. Full details of consumption etc. will be found in Tables V and VI.
The Analyses made by the Government Analyst show that the water was of good quality throughout the year, whilst the results obtained by bacteriological examination were satisfactory.
The quantity of water pumped to the High Level District of the City was 181.66 million gallons, equal to an average daily consumption of about 498,000 gallons whilst 66.38 million gallons were pumped to the Peak District giving an average daily consumption of 181,000 gallons.
As compared with 1931 there was a decrease of 13.09 million gallons pumped to the High Level District and an increase of 0.53 million gallons pumped to the Peak District.
The grand total pumped during the year to the High Levels and Peak District amounted to 248.04 million gallons as compared with 260.60 million gallons in 1931, shewing a decrease of 12.56 million gallons. Tabulated statements containing particulars of the quantities of water pumped to the High Levels of the City and to the Peak District respectively will be found in Table VII.