420 



NEW YORK STATE MUSEUM 



Discharge measurements of Eaton and Madison Irooks in 1835. 

 Eaton and Madison brooks are in the central-eastern part of 

 Madison county and tributary to Chenango river. The catch- 

 ment area of Eaton* brook is given at 6800 acres, or 10.6 

 square miles, and that of Madison brook at 6000 acres, or 9.4 

 square miles. 



Table No. 78— Rainfall and runoff of Eaton brook 



MONTH 



Rain- 

 fall 



Rainfall for 

 6,800 acres. 



Runoff from 

 6,800 acres 



Percent- 

 age of 

 runoff to 

 rainfall 



(1) 

 1835 



June 



(2) 



(3) 



(4) 



(5) 



Inches 

 6.72 

 2.74 

 2.86 

 1.34 

 3.0 

 2.20 

 0.96 



Cubic feet 

 165, 876, 480 

 67, 634, 160 

 70, 596, 240 

 33, 076, 560 

 74, 052, 000 

 54, 304, 800 

 23, 696, 640 



Cubic feet 

 59, 407, 394 

 27, 994, 240 

 13, 547, 058 

 9, 586, 513 

 20, 694, 651 

 23, 772, 620 

 36, 525, 544 



35.8 

 41.4 

 19.2 

 29.0 

 27.2 

 43.8 

 54.1 



July 



September 



October 



June to December, inclusive . . . 

 June to October, inclusive 



19.82 



489, 236, 880 

 411,235,440 



191,528,020 

 131,229,856 



39.2 

 31.9 



Table No. 79— Rainfall and runoff of Madison brook 



MONTH 



Rain 

 fall 



Rainfall for 

 6,000 acres 



Rnnoff from 

 6,000 acres 



Percent- 

 age of 

 runoff to 

 rainfall 



(1) 

 1835 



Snow of November-December, 



(2) 



(3) 



(4) 



(5) 



Inches 



Cubic feet 



87, 120, 000 

 47, 262, 600 

 54, 450, 000 

 22,443,400 



108,900,000 

 43, 124, 400 



175, 329, 000 

 84,288,600 

 66, 646, 800 

 19,166,400 

 84, 070, 800 

 45, 738, 000 

 16,552,800 



Cubic feet 





February 



2.17 



2.50 



1.03 



5.0 



1.98 



8.05 



3.87 



3.06 



0.88 



3.86 



2.10 



0.76 



23,192,079 

 35, 377, 594 

 43, 284, 656 

 80, 776, 974 

 58,013,176 

 20, 138, 006 

 23,141,302 

 23, 725, 060 

 19,158,957 

 19, 544, 880 

 18, 232, 372 

 19,401,364 



49.1 

 64.9 



192.8 

 74.1 



134.5 

 11.5 

 27.4 

 35.6 

 99.9 

 23.2 

 39.9 



117.2 





June 



July 



September 



October 



January to December, inclusive. 



January to May, inclusive 



June to October, inclusive 



35.26 



855,092,800 

 363, 300, 400 

 429,501,600 



383,986,420 

 240, 644, 479 

 105,708,205 



44.9 

 66.2 

 24.6 



