THE CENTRAL BASIN OF TENNESSEE. 



101 



Average depths of Cumberland River at Nashville from 1871 to 

 1887. 



Month. 



Average 

 Feet. 



January . . 

 February , 

 March . . . 



April 



May 



June 



July 



August . . . 

 September 

 October , . . 

 November 

 December. 



17.7 



21.. S 



19.2 



18.8 



10.3 



6.4 



6.0 



4.3 



3. 



2.3 



6.3 



11.6 



Highest and Year. 



10.6 



Feet. 

 54.6 



46.9 



49.3 



49.6 



34.2 



27.7 



30.7 



17.6 



17.5 



10.3 



27. 



35.4 



Year. 



in 1882 



" 1884 



" 1884 



" 1874 



" 1875 



" 1885 



" 1880 



" 1874 



" 1874 



" 1875 



" 1885 



" 1879 



33.5 



Lowest and year. 



Feet. Year. 

 2.0 in 1877 



3.5 



3.5 



5.1 



2.8 



0.8 



0.1 



0.1 



*0.3 



■^0.4 



•^0.2 



0.7 



1877 

 1877 

 1878 

 1879 

 1879 

 1879 

 1887 

 1887 

 1878 

 1887 

 1884 



1.5 



The months of January, February, March and April shew the 

 heaviest averages. During these months of 1888 the average mean 

 velocity of the stream was for 



January 6,019 miles. Mean of 51 observations 



February 4,194 " " 65 " 



March 5,907 " " 116 " . 



April 5,208 " " 82 " 



The average discharge per second was for 



January" 49,224 cubic feet 



February 32,299 



March 105,474 



April 70,528 



