HYDROLOGY OF NEW YORK 93 



, Inches » 



Rainfall Runoff 



Comparing the storage periods, we have : 



Average of storage period 19.40 10.50 



Storage period of 1895 (minimum) 13.20 5.63 



Difference 6.20 4.87 



Storage period of 1894 (maximum) 27.71 15.73 



Average of storage period 19.40 10.50 



Difference 8.31 5.23 



Comparing any two years, we have : 



1892 : 41.69 15.42 



1896 40.68 12.80 



Difference 1.01 2.62 



Comparing storage periods : 



Storage period of 1892 19 . 84 9.38 



Storage period of 1896 17 . 84 9 . 25 



Difference 2.00 0.13 



Comparing growing periods : 



Growing period of 1892 15 . 30 4 . 90 



Growing period of 1896 10 . 28 . 83 



Difference 5.02 4.07 



Comparing replenishing period : 



Replenishing period of 1896 12.56 2.72 



Replenishing period of 1892 6.55 1.14 



Difference 6.01 1.58 



Hudson river. 



Yearly average 44.21 23.27 



1895 (minimum year) 36.67 17.46 



Difference 7.54 5.81 



1892 (maximum year) 53.87 33.08 



Yearly average 44.21 23.27 



Difference 9.66 9.81 



Comparing the maximum year with the minimum, we have : 



1892 53.87 33.08 



1895 36.67 17.46 



Difference 17.20 15.62 



