P.W.R. Hong Kong.
Q 30
The reservoirs were at or over their permanent overflow levels for the following periods
Reservoirs. Capacity to permanent overflow level, (Million gallons) Period. Tai Tam, 384.80 22.36 44 days between 23rd May and 2nd September. Tai Tam Bywash, 35 days between 23rd May and 1st September. Tai Tam Intermediate,.. 195.90 262 days between 1st January and 31st December. Tai Tam Tuk, 141 days between 26th May and 14th October. Wong Nei Chong, 1,419.00 14 days between 23rd May and 22nd August. Pokfulam, 30.34 66.00 37 days between 23rd May and 2nd September.The rainfall for the year amounted to 107.87 inches (Observatory) or 7.09 inches more than last year and was 21.81 inches above the average for the last forty-four years. Although there was considerable rainfall during February, March and April, the wet season did not set in until May. The first heavy rains fell at the end of March when the reservoirs commenced to rise, and the dry season set in late, the last considerable rain falling on the 12th October.
The maximum quantity of water impounded in all the reservoirs during the year reached 2,118.41 million gallons on the 2nd and 3rd July. The total quantity of water remaining in the reservoirs at the end of the year was 1,457.57 million gallons.
The total quantity of water pumped from Tai Tam Tuk Reservoir during the year amounted to 1,304.61 million gallons, of which 1,128.22 million gallons were pumped by the new Simpson Engine and 176.39 million gallons by the Tangye Engines. This total exceeds that of last year by 27.85 million gallons.
No. Engine Days Hours 1 (Tangye) 30 days. 2 123 11 3 (Simpson) 134 11 4 121 19 5 151