Table 7 

 Tide Height Statistics* 



Month 



Mean 



Mean 



or 



High 



Tide 



Year 



Water 



Level 



Mean Mean 

 Sea Low 

 Level Water 



Mean 

 Range 



Extreme 

 High 



Extreme 

 Low 



Jan 



36 



-4 



-4 



-46 



82 



76 



9 



-75 



Feb 



41 







1 



-41 



82 



94 



5 



-78 



Mar 



43 



2 



2 



-40 



83 



81 



29 



-64 



Apr 



43 



3 



3 



-38 



81 



82 



26 



-66 



May 



52 



11 



11 



-29 



81 



109 



22 



-47 



Jun 



49 



9 



9 



-32 



81 



86 



22 



-53 



Jul 



49 



10 



10 



-30 



79 



74 



22 



-54 



Aug 



56 



17 



17 



-22 



78 



92 



21 



-46 



Sep 



59 



20 



20 



-20 



79 



87 



4 



-44 



Oct 



57 



16 



16 



-25 



82 



99 



26 



-65 



Nov 



54 



13 



13 



-28 



82 



94 



18 



-53 



Dec 



47 



5 



6 



-36 



83 



89 



3 



-74 



May 



1989 



49 



9 



1988 



46 



6 



1987 



55 



15 



1986 



60 



13 



1985 



59 



10 



1984 



64 



16 



1983 



68 



19 



1982 



58 



8 



1981 



59 



8 



1980 



59 



8 



1979 



60 



9 



1979- 







1990 



57 



11 





Prior Years 











-31 



80 



199 



Mar 



-77 



Apr 



-33 



79 



129 



Apr 



-72 



Dec 



-24 



79 



113 



Jan 



-63 



Nov 



-35 



95 



123 



Dec 



-108 



Jan 



-37 



96 



136 



Dec 



-93 



Apr 



-32 



97 



147 



Oct 



-77 



Jul 



-30 



98 



143 



Jan 



-73 



Mar 



-42 



99 



127 



Oct 



-108 



Feb 



-42 



101 



149 



Nov 



-110 



Apr 



-43 



102 



118 



Mar 



-119 



Mar 



-43 



103 



121 



Feb 



-95 



Sep 



199 Mar 1989 



-119 Mar 1980 



Measurements are in centimeters. 



43 



