Table 9 

 1985 Tide Height Statistics* 























Month 



Mean 



Mean 



Mean 



Mean 













or 



High 



Tide 



Sea 



Low 



Mean 



Extreme 





Extreme 





Year 



Water 

 54 



Level 

 8 



Level 

 9 



Water 

 -38 



Range 

 92 



High 

 98 



Date 

 19 



Low 



Date 



Jan 



91 



22 



Feb 



51 



1 



2 



-49 



100 



100 



7 



-78 



23 



Mar 



48 







1 



-47 



95 



70 



24 



-81 



8 



Apr 



52 



3 



4 



-45 



97 



97 



7 



-93 



6 



May 



60 



11 



11 



-38 



98 



126 



3 



-88 



1 



Jun 



57 



8 



8 



-41 



98 



100 



28 



-60 



27 



Jul 



59 



10 



11 



-38 



97 



111 



1 



-69 



16 



Aug 



63 



15 



16 



-32 



95 



101 



1 



-61 



28 



Sep 



65 



18 



18 



-30 



95 



103 



13 



-64 



28 



Oct 



67 



20 



20 



-28 



95 



106 



31 



-61 



28 



Nov 



72 



25 



25 



-22 



94 



124 



2 



-77 



12 



Dec 



55 



7 



8 



-41 



96 



136 



14 



-82 



27,28 



1985 



59 



10 



11 



-37 



96 



136 



Dec 



-93 



Apr 



1979- 



61 



11 



12 



-39 



100 



149 



Nov 



-119 



Mar 



1984 















1981 





1981 



1984 



64 



16 



16 



-32 



97 



147 



Oct 



-77 



Jul 



1983 



68 



19 



19 



-30 



98 



143 



Jan 



-73 



Mar 



1982 



58 



8 



9 



-42 



99 



127 



Oct 



-108 



Feb 



1981 



59 



8 



9 



-42 



101 



149 



Nov 



-110 



Apr 



1980 



59 



8 



8 



-43 



102 



118 



Mar 



-119 



Mar 



1979 



60 



9 



9 



-43 



103 



121 



Feb 



-95 



Sep 



* Measurements are in centimetres. 



55 



