HYDROLOGY OF NEW YORK 



195 



50 



30 



20 § 



10 10 



UPPER HUDSON 



P 2 =84.5R 



50 



7 



to 



30 



20 



2 



to 



50 



20 



30 



Precipitation in inches 

 20 30 40 



50 



6 



Fig. 9 Diagram showing the relation between the precipitation and runoff, 

 in inches, on the Upper Hudson river. 



50 



40 



30 £ 



20 | 



10 10 



UPPER HUDSON 



P 1 - 7 l=34.3R 



10 



to 



50 



20 



20 



SO 



40 



Precipitation in inches 

 20 30 40 



50 



40 50 



50 



60 



60 



Fig. 10 Diagram showing the relation between the precipitation and runoff, 

 in inches, on the Upper Hudson river, expressed by exponential formula. 



