Table 9 

 1984 Mean Tide Height Statistics* 























Month 



Mean 



Mean 



Mean 



Mean 













or 



High 



Tide 



Sea 



Low 



Mean 



Extreme 





Extreme 





Year 



Water 

 64 



Level 

 16 



Level 

 16 



Water 

 -32 



Range 

 96 



High 

 119 



Date 



Low 



Date 



Jan 



19 



-69 



22 



Feb 



56 



7 



8 



-41 



98 



108 



18 



-66 



17 



Mar 



64 



15 



16 



-33 



97 



105 



29 



-66 



2 



Apr 



71 



23 



24 



-25 



96 



123 



15 



-43 



19 



May 



55 



6 



6 



-43 



98 



102 



31 



-69 



12 



Jun 



57 



9 



9 



-39 



96 



100 



1 



-68 



14 



Jul 



53 



4 



4 



-45 



98 



100 



29 



-77 



6 



Aug 



70 



21 



21 



-28 



98 



107 



25 



-66 



29 



Sep 



77 



28 



29 



-21 



98 



129 



27 



-73 



25 



Oct 



78 



30 



30 



-18 



96 



147 



14 



-66 



22 



Nov 



72 



24 



24 



-23 



95 



110 



23 



-54 



22 



Dec 



56 



9 



9 



-38 



94 



99 



23 



-73 



9 



1984 



64 



16 



16 



-32 



97 



147 



Oct 



-77 



Jul 



1979- 



61 



10 



11 



-40 



101 



149 



Nov 1981 



-119 



Mar 1981 



1983 





















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, 



59 



