RECORD AND REDUCTION OF THE TIDES. 



2!) 



Series III.— Tidal Observations from April 20 to August 3, 1854. 



Hourly observations on the pulley-gauge. Adopted reading of mean level 7.0, expressed in units 

 of the scale. Increasing numbers indicate rise of water. 



May, 1854. 



Mean 

 solar 

 hour. 



1 

 2 



3 



4 



5 



6 



7 



8 



9 



10 



It 



Noon 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 

 Midn't 



2d. 



15.1 



16.7 

 10.8 

 16.5 



14.2 



12.5 



11.0 



8.4 



6.7 

 6.4 

 6.4 



7.4 



9.5 



11.3 



13.1 



14.9 

 15.0 

 14.5 



13.6 



12.6 



10.1 



9.5 



9.d 

 9.0 

 9.(1 



9.1 

 9.5 



Icl 



11.1 



Red. 



to 

 level. 



Ref. 

 obs. 



.4 10.7 



12.3 

 12.4 

 12.1 



:.5 | 9.7 



3.0 



6.5 



3.9 



2.2 

 1.9 



1.8 



-4.6 



-4.7 



2.8 



4.9 



6.6 



8.4 



10.2 



10.3 



9.8 



8.9 



7.9 



5.4 



4.8 



4.3 

 4.3 



4.3 

 4.4 

 4.8 



5.4 



6.4 



Sd. 



13.2 



14.0 



14.2 

 14.3 

 14.3 

 14.2 

 14.1 



13.1 



12.0 



10.9 

 10.2 

 10.0 

 10.3 

 10.5 

 10.8 

 11.0 



11.4 



12.8 



13.4 

 13.8 

 13.8 

 13.S 

 13.8 

 13.8 

 13.1 

 12.7 



12.1 



11.8 



11.6 

 11.6 

 11.4 

 11.6 

 12.0 



12.7 



13.3 



Red. 



to 

 level. 



4.7 



-4.8 



—4.9 



-5.0 



—5.1 



Ref. 

 obs. 



8.5 



9.3 



9.5 

 9.6 

 9.6 

 9.5 

 9.4 



8.4 



7.3 



6.2 

 5.5 

 5.3 

 5.6 

 5.8 

 6.1 

 6.3 



6.7 



8.1 

 8.7 

 9.1 

 9.1 

 9.1 

 9.1 

 9.1 

 8.4 

 8.0 



7.3 



7.0 



6.7 



6.7 

 6.5 

 6.7 

 7.0 



7.7 



8.2 



13.6 



14.0 



14.8 



16.1 



16.2 



16.2 

 15.7 

 15.3 



lih 



Red. 



to 

 level. 



—5.2 

 —5.3 

 —5.4 



—5.6 



—5.8 



—6.0 

 —6.1 

 —6.3 



Ref. 

 obs. 



8.4 



8.7 



9.4 



10.5 



10.4 



10.2 

 9.6 

 9.0 



7th. 



Red. 

 to 



level. 



10.2 

 10.2 

 10.5 

 10.8 



11.3 



11.8 



12.4 



13.2 



13.2 



13.0 



12.2 



11.0 



10.2 



9.0 



8.1 

 8.0 

 8.0 

 8.0 

 8.4 



9.0 



9.8 



10.3 



ll.ii 



11.3 



12.0 

 12.5 

 12.. r . 

 L2.5 

 12.0 



10.5 



1.3 



-4.4 



-4.5 



-4.6 



-4.7 



-4.^ 



Ref. 

 obs. 



6.0 

 6.0 

 6.3 

 6.6 



7.1 



7.6 

 8.2 

 8.9 



8.9 



8.7 



7.9 



6.7 



5.9 



4.6 



3.7 

 3.6 

 3.6 

 3.6 

 4.0 



4.5 



5.3 



5.8 



6.4 



6.7 



7.4 

 7.9 

 7.8 

 7.8 

 7.3 



5.7 



8th. 



Red. 



to 

 level. 



10.5 

 10.0 

 11.5 

 11.5 



11.8 



12.4 



13.0 



14.1 



16.2 



16.0 

 16.5 

 L6.5 

 16.3 



16.0 



15.1 



14.1 

 13.0 

 10.6 



9.0 



8.4 

 8.0 

 8.7 

 9.0 



10.2 



11.6 



12.3 



12.9 

 13.3 

 13.5 

 13.5 

 13.3 



12.7 



-4.8 



tt 



it 



-4.9 



—5.0 



—5.1 



-5.2 



—5.3 



-5.4 



-5.5 



Ref. 



I, lis 



5.7 

 5.2 

 6.7 

 6.6 



6.9 



7.5 



8.1 



9.1 



11.2 



11.0 



11.5 

 11.4 



11.2 

 10.9 



10.0 



8.9 



7.8 



5.7 



3.7 

 3.1 



2.7 

 3.4 

 3.6 



4.8 



6.2 



6.9 



7.9 

 8.1 

 8.1 

 7.9 



9th. 



Red. 



to 

 level. 





10.7 

 10.0 

 10.0 

 10.5 

 11.3 



12.6 



14.3 



15.6 



16.4 

 16.9 

 17.2 

 17.2 

 17.2 

 16.6 

 16.0 



14.9 



13.8 



? 

 11.2 



10.0 

 9.3 

 8.0 

 8.0 

 8.9 



11.2 



13.0 



14.2 



15.5 



14.6 



14.0 



13.5 



—5.5 



U 



—5.6 



If 



it 



—5.7 



—5.8 



U 



—5.9 



U 



—6.0 



a 

 —6.1 



—6.2 



— 6.3 



-6.2 



—6.1 



Ref. 

 obs. 



—6.0 



5.2 

 4.5 

 4.4 

 4.9 

 5.7 



6.9 



8.6 



9.9 



10.6 

 11.1 

 11.3 

 11.3 

 11.2 

 10.6 

 9.9 



8.7 



4.9 



3.S 

 3.1 

 1.8 

 1.8 



2.7 



5.1 

 6.9 

 8.1 

 9.4 

 8.5 

 7.9 



Correction derived from sounding and curves. 

 II a a ll « 



From this day there is but one reading at each half hour. 

 Correction from sounding and curves. 



