THE RAINFALL IN 1896 DOANE. 283 



water, and the rain falling on the 19fch flowed off rapidly. Long 

 Lake was raised 20 inches by the heavy storm ot the 19th in 

 about 24* hours. The water level was 25 inches above the spill- 

 way of the dam, while at Lower Chain Lake it overflowed the 

 screen chambers and ran over the floor of the old gate house. 

 Drains and culverts were destroyed, roads washed out and 

 bridges carried away. Jubilee Road was excavated by the rush 

 of water for a length of 100 yards, the road metal being carried 

 away for a width of half the roadway and a depth of 6 ft. 

 Heavy stones were deposited at the foot of the hill, while the 

 lighter material went to sea. The main trunk sewer on the 

 common was not only full to overflowing, but a torrent of wate r 

 followed its course on the surface, sweeping through the gardens 

 and down South Park Street, until it found an outlet at South 

 Street. 



The Meteorological Agent at Truro reports about 30 hours 

 rain on the 18th and 19th October, the greatest on record with 

 regard to duration. At Yarmouth and Sydney the rain fall was 

 light. 



September 10th-13th, Sydney reports no rain ; Yarmouth 

 and Truro comparatively light rains. July 31st, moderate rain- 

 fall at Sydney, Truro and Yarmouth. 



Comparing the Halifax records by months we find : 

 July, 1896, 8.729 ins. next July, 1884, 8.294* ins. 

 Sept., 1896, 12.092 " " Sept. 187G, 6.094 ' 

 Oct., 1896, 15.039 " " Oct., 1875, 9.98 " 



Mr. E. H. Keating, City Engineer, says in making his report 

 on a design for the Halifax sewer system : 



" The heaviest rainfall in a short time, of which I have any 

 information, occurred on the 19th June, 1872, when 0.183 of an 

 inch fell in half an hour." 



He also reports a rainfall of 4.406 inches in 18 hours on the 

 10th October, 1875. 



Our sewer system was designed to discharge a rainfall of 

 0.38 ins. per hour, together with the house sewage when running 



