The reservoirs were at or over their permanent overflow levels for the following periods:
Reservoirs Capacity to permanent overflow level (million gallons) Overflow periods Tytam 361.79 32 days from 26th June-22nd September Tytam Byewash 22.40 21 days from 28th June-22nd September Tytam Intermediate 195.90 155 days from 5th July-6th December Tytam Tuk 1,406.00 98 days from 6th July-11th October Wongneichong 13 days from 5th July-4th September Pokfulam 173.23 27 days from 5th July-28th September Aberdeen Upper 106.89 83 days from 10th June-28th September Aberdeen Lower 30.3466.00 97 days from 5th July-9th October Total 2,362.55
The reservoirs contained their combined maximum storage on seven days between 6th July and 4th September.
The rainfall (Table XI) amounted to 82.50 inches, being 12.73 inches more than last year and 2.29 inches lower than the average for the last fifty-four years.
The total quantity of water pumped from Tytam Tuk Reservoir during the year amounted to 1,397.36 million gallons of which 1,370.15 million gallons were pumped by the Simpson Engines, and 27.21 million gallons by the Tangye Engines. This total was less than that of last year by 387.40 million gallons.