TABLE B-6 



ELEVATION - FREQUENCI DATA 



HURRICANES OR SEVERE STORMS 



PROVIDENCE, RHODE ISLAND 



Hurricane 

 or Storm 



Estimated MaZi 

 Tidal Elevation 



August 



August 



September 



August 



September 



September 



September 



October 



Noveoiber 



November 



February 



January 



October 



December 



September 



February 



October 



October 



November 



October 



October 



J^ril 



March 



September 



November 



ATlgUSt 



December 



Noveniber 



October 



March 



March 



August 



September 



3, 1638 

 15, 1635 



21, 1938 

 31, 195U 

 23, 1815 

 Hi, 19kh 



8, 1869 



30, 1866 



7, 1953 



19U7 



7, 1951 

 27, 1933 

 23, 1878 

 10, 1878 



10, 1889 

 1953 

 19U7 



22, 19li9 

 25, 1950 



1953 

 1, 1936 



1953 

 3, 19li2 



11, 1950 

 19lUi 



29, 191+9 



8, 1950 

 19U5 



15, I951i 



3, 19U7 



19li3 



15, 1953 



11, 195U 



18+ 



17+ 



1577(2) 



lii.7(2) 



li4.2(2) 



9.9(2) 



8.6 



8+ 



779 



7.3 



7.2 



7.1 



71 



7+ 



7" 



679 



6.8 



6.8 



6.8(3) 



6.8 



6.6 



6.6 



6.1;(3) 



6.1i 



6.2(3) 



6.2 



6.2(3) 



6.1(3) 



5.9(3) 



5.7(3) 



5.5(3) 



5.5(3) 



Percent Chance of Occurrence 

 In Any One Year (1) 



1635-1955 1815-1955 1931-1955 



Incl. Incl. Incl. 



(321 yrs.) (lU yrs.) (25 yrs.) 



0.31 

 0,62 



0.71 

 1.U2 

 2.13 



U.OO 

 8.00 



12.00 



16.00 

 20.00 



aU.oo 



28.00 



32.00 

 36.00 

 liO.OO 



Uii.oo 



1+8.00 

 52.00 

 56.00 

 60.00 

 6i+.00 

 68.00 

 72.00 

 76.00 

 80.00 

 8U.00 

 88.00 

 92.00 

 96.00 

 100.00 



(1) Calculated plotting positions 



(2) Based on high water mark 



(3) Based on tide gage reading 



B-19 



