282 



THE HYDROGRAPHY OF CECIL COUNTY 



Estimated Monthly Discharge of Susquehanna River at Harrisburg, 



Pennsylvania. 

 (Drainage area, 24,030 square miles.) 





DISCHARGE IN SECOND-FEET. 



TOTAL IN 

 ACRE-FEET. 



RUN-OFF. 



MONTH. 



Maximum. 



Minimum. 



Mean. 



Depth in 

 inches. 



Second-feet 



per square 



mile. 



1891 



January . • 



February 



March 



April 



138,555 



302,300 



159,110 



123,390 



30,400 



72,675 



40,400 



80,680 



45,150 



45,150 



77,150 



132,290 



21,800 

 62,880 

 45,150 

 33,450 

 13,900 

 13,100 

 12,700 

 13,900 

 11,900 

 10,750 

 13,900 

 29,100 



73,052 

 140,790 

 99,105 

 81,044 

 19,384 

 25,630 

 21,752 

 30,900 

 23,649 

 18,810 

 34,024 

 63,289 



4,491,792 

 7,819,080 

 6,093,728 

 4,822,453 

 1,191,875 

 1,525,091 

 1,337,479 

 1,899,967 

 1,407,214 

 1,156,582 

 2,024,568 

 3,891,489 



3.51 

 6.10 

 4.76 

 3.76 

 0.93 

 1.19 

 1.05 

 1.49 

 1.09 

 0.90 

 1.58 

 3.03 



3.04 

 5.86 

 4.12 

 3 37 



May 



81 



June 



1 07 



Julv 



91 



August 



September 



October 



November 



December 



1.29 

 0.98 

 0.78 

 1.42 

 2.63 



The year . . 



302,300 



10,750 



52,619 



37,661,318 



29.39 



2.19 



1892 



January 



February 



March 



April 



197,625 



48,600 



194,940 



224,475 



120,755 



185,990 



45,150 



37,450 



22,300 



9,450 



30,400 



38,900 



14,600 



7,500 



18,300 



25,025 



21,800 



26,100 



9,450 



12,700 



7,510 



4,000 



4,000 



6,300 



80,041 

 22,244 

 51,578 

 80,250 

 67,999 

 65,704 

 19,469 

 18,886 

 11,713 

 6,255 

 11,123 

 16,436 



4,921,529 



1,279,489 



3,171,408 



4,775,206 



4,181,095 



3,909,659 



1,197,101 



1,161,255 



696,972 



384,604 



661,865 



1,010,611 



3.84 

 1.00 

 2.48 

 3.73 

 3.26 

 3.04 

 0.93 

 0.91 

 0.54 

 0.30 

 0.52 

 0.78 



3.33 

 0.93 

 2.15 

 3.34 



May 



2.83 



June 



2 73 



July 



0.81 



August 



September 



October 



November 



December 



0.79 

 0.49 

 0.26 

 0.46 

 0.68 



The year. . 



224,475 



4,000 



37,641 



27,350,794 



21.33 



1.57 



1893 



January 



February. . . . 



March 



April 



May 



June 



July 



August 



September. . . 



October 



November.. . 



December . . . 



The year 



21,800 



169,8-80 



223,580 



157,350 



257,590 



31,000 



16,775 



24,500 



41,150 



58,313 



31,000 



120,755 



257,590 



13,900 



19,800 



18,300 



54,363 



31,000 



10,750 



6,300 



3,400 



10,100 



8,475 



10,750 



13,900 



3,400 



15,960 

 56,053 

 94,556 

 105,555 

 91,246 

 18,852 

 10,750 

 5,690 

 18,948 

 18,972 

 15,789 

 40,509 



41,07^ 



981,342 

 3,113,026 

 5,814,021 

 6,280,959 

 5,610,498 

 1,121,771 



660,992 



349,865 

 1,127,484 

 1,166,543 



939,511 

 2,490,801 



29,656,813 



0.76 

 2.43 

 4.53 

 4.90 

 4.39 

 0.87 

 0.52 

 0.28 

 0.88 

 0.91 

 0.73 

 1.95 



23.15 



0.66 

 2.33 

 3.93 

 4.39 

 3.80 

 0.78 

 0.45 

 0.24 

 0.79 

 0.79 

 0.66 

 1.69 

 T77T 



