TIDAL OBSERVATIONS 



595 



RECAPITULATION 

 The various results which have been obtained are collected together in the following 



tables : 



TIME RELATIONS 



Establishment of the port 



Mean of all high-water lunitidal intervals . . 

 Mean of all low- water lunitidal intervals . . 

 Mean of tropic higher high-water intervals . . 

 Mean of tropic lower high-water intervals . 

 Mean of tropic higher low-water intervals . . 

 Mean of tropic lower low-water intervals . . 

 Mean tropic high-water interval of diurnal wave. 



Prime high-water interval 



L,ag high-water interval 



Prime low-water interval 



L,ag low-water interval 



Cotidal hour . 



HEIGHT RELATIONS 



Mean of all high waters on tide staff .... 

 Mean of all low waters on tide staff . . 

 Mean of all higher high waters on tide staff 

 Mean of all lower low waters on tide staff 

 Mean of tropic higher high water on tide staff . 

 Mean of tropic lower high water on tide staff . 

 Mean of tropic higher low water on tide staff . 

 Mean of tropic lower low water on tide staff 

 Mean of all spring high waters on tide staff 

 Mean of all spring low waters on tide staff . 

 Mean of all neap high waters on tide staff . 

 Mean of all neap low waters on tide staff 

 Mean perigean high water on tide staff . 

 Mean perigean low water on tide staff 

 Mean apogean high water on tide staff . . . 

 Mean apogean low water on tide staff 



Mean sea level on tide staff 



Mean half-tide level on tide staff 



Highest tide observed on tide staff .... 

 tide observed on tide staff 



RANGES, INEQUALITIES, ETC. 



Mean range or rise and fall of all tides. . 

 Mean range or rise and fall of spring tides 

 Mean range or rise and fall of neap tides 

 Mean range of the great tropic tides . . 

 Mean range of the small tropic tides . . 



. . . . 1.282 1.269 



. . . . 0.563 0.865 



