RECORD AND REDUCTION OE THE TIDES. 



31 



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



Hourly observations on the pulley-gauge. Adopted readiug of mean level t.0, expressed in units 

 of the scale. Increasing numbers indicate rise of water. 



May, 1854. 



Ali':i!l 



solar 

 hour. 



6th. Ref. 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



Noon 



1 



2 



3 



4 



5 



6 



7 



8 





 10 



11 



Midn't 



19.1) 

 19.6 



19.0 

 L8.6 



17.0 



16.0 



14.4 



12.5 



10.0 

 9.5 

 :ui 

 9.7 



10.0 



12.4 

 12.4 

 11.8 

 11.3 



9.8 



8.8 



7.2 



5.3 



2.8 

 2.3 

 1.8 



2.5 

 2.8 



17th. 



10.9 3.7 



i 



12.4 I 5.2 



14.3 7.1 



16.2 



17.0 

 17.6 



17.6 

 17.6 



16.3 



14.4 



12.0 



10.8 

 9.5 

 9.5 

 9.8 



9.0 



9.8 



10.4 



10.4 



10.4 



9.1 



7.2 



4.8 

 3.6 

 2.3 

 2.3 

 2.6 



11.7 j 4.5 



13.5 6.3 



15.3 B.I 



n;.7 9.5 



Ref. 

 obs. 



18.0 



19.4 

 20.0 

 20.0 



18.9 

 18.0 



16.2 



14.3 



12.6 



11.3 



10.2 



9.0 



10.2 



11.1 



13.4 



14.6 



15.9 



17.6 



17.8 

 17.8 

 16.7 

 16.0 



14.0 



12.8 



10.6 



10.0 



9.2 



9.2 



10.4 



12.0 



13.6 



14.8 



10.8 



11.2 



12.8 

 12.8 

 11.7 

 10.8 



9.0 



7.1 



5.4 



4.1 

 3.0 

 1.8 

 3.0 

 3.9 



6.2 



7.4 



8.7 



10.4 



10.6 



10.6 



9.5 



8.8 



5.6 



3.4 



2.8 

 2.0 

 2.0 

 3.2 



4.8 



6.4 



7.6 



18th. 



17.6 



19.0 

 19.7 

 19.7 

 19.7 

 19.7 

 19.7 

 19.7 

 18.6 

 17.8 



15.8 



14.3 



13.0 



10.0 



9.0 



9.0 



10.3 



11.6 



14.0 



15.2 



16.3 

 10.* 

 16.8 

 15.8 

 15.6 



14.0 



13.3 



12.4 

 12.0 

 11.3 

 11.3 

 11.5 

 11.8 

 12.4 



12.8 



Rcf. 



obs. 



10.4 



11.8 

 L2.5 

 12.5 

 12.5 

 12.5 

 12.5 

 12.5 

 11.4 

 10.6 



8.6 



7.1 



5.8 



2.8 

 1.8 

 1.8 

 3.1 

 4.4 



6.8 



8.0 



9.1 



9.6 

 9.6 



8.6 

 8.4 



6.8 



6.1 



5.2 

 4.9 

 4.2 

 4.2 

 4.4 

 4.7 

 5.3 



5.7 



l'.lth. 



Ref. 

 obs. 



14.0 

 15.0 

 16.4 



17.7 



18.8 

 1-.* 

 18.8 

 18.8 

 18.0 

 17.4 



16.0 



14.4 



12.4 



11.7 

 10.6 

 10.0 

 10.5 

 10.8 



11.8 



12.8 



14.2 



6.9 



7.9 



9.3 



10.6 

 11.7 

 11.7 

 11.7 

 11.7 

 11.0 

 10.4 



9.0 



7.4 



5.4 



4.7 

 3.6 

 3.0 

 3.5 

 3.8 



4.8 



6.8 



7.2 



20th. 



Ref. 

 obs. 



12.11 

 12.3 



13.2 



14.1 



15.2 



15.5 



15.5 

 16.5 

 16.5 

 16.5 

 16.5 

 15.8 

 14.9 



13.6 



12.8 



12.1 



11.5 



11.0 

 10.5 

 10.5 

 10.5 



5.2 

 5.5 



6.4 



7.3 



8.5 



8.8 



8.8 

 9.8 

 9.8 

 9.8 

 9.8 

 9.1 

 8.2 



6.9 



6.1 



5.4 



4.8 



4.3 



3.8 

 3.8 

 3. 



15.7 8.7 

 16.5 i 9.5 

 17.2 10.2 

 17.2 10.2 

 10.5 9.5 



15.7' 8.7 



15.0 8.1 



14.0 7.1 



13.0 6.1 



12.5 5.7 



10.8 4.1 



21st. 



12.7 



14.3 



14.9 

 15.2 

 15.4 

 15.4 

 15.4 

 14.6 

 14.2 



13.3 



12.4 



6.0 



7.6 



8.2 

 8.5 

 8.7 

 8.7 

 8.7 

 7.9 

 7.4 



6.5 



5.6 



12.0 

 11.6 

 11.2 

 11.2 

 12.5 



14.2 



15.6 



16.8 

 17.4 

 17.9 

 17.9 

 17.9 

 17.6 



Ref. 

 obs. 



5.2 

 4.8 

 4.4 

 4.4 

 5.7 



7.4 



8.8 



10.0 

 10.6 

 11.1 

 11.1 

 11.1 

 10.8 



17.0 10.2 



15.7 



14.6 



12.8 



11.2 

 10.8 

 10.5 

 10.5 

 10.5 

 11.0 

 11.7 



12.6 



13.7 



14.5 

 15.0 



15.4 j 



15.4' 



15.4 



15.2 



14.7 



14.0 



8.9 



7.8 



6.0 



4.4 

 4.0 

 3.7 

 3.7 

 3.7 

 4.2 

 4.9 



5.8 



6.9 



7.7 

 8.2 

 8.6 

 8.6 

 8.6 

 8.4 

 7.9 



22*. Ref. 

 , obs. 



10.3 

 10.3 

 10.3 

 10.3 

 10.3 

 10.8 



11.5 



13.8 



3.4 

 3.4 

 3.4 

 3.4 

 3.4 

 3.9 



4.6 



5.9 



15.2 8.2 



16.5 9.5 



17.6 10.6 

 17.0 10.6 

 17.6 10.6 

 17.6 10.6 

 17.0 10.6 



16.5 9.5 



12.6 5.8 



15.1 



13.7 



12.0 



11.0 



10.4 



9.5 



9.5 



11.0 



11.7 



13.1 



14.1 



16.4 

 16.5 

 16.5 



16.5 

 16.5 

 16.5 

 16.3 



15.0 



8.1 



6.7 



5.0 



4.0 

 3.4 



2.5 

 2.5 

 4.0 



4.7 



23<1. 



13.0 



12.2 

 11.3 

 11.0 

 11.5 

 12.0 



13.7 



15.2 



17.2 

 18.2 

 19.1 

 19.1 

 18.7 



17.5 



16.0 



15.3 



14.2 



13.0 



12.0 

 11.5 

 11.5 

 11.5 



12.4 



Bef. 



nlis. 



5.6 



4.8 

 3.8 

 3.5 

 4.0 

 4.4 



6.1 



9.5 

 10.4 

 11.3 

 11.2 

 10.8 



9.5 



8.0 



7.3 



6.2 



5.0 



3.9 

 3.4 

 3.3 

 3.3 

 4.0 



5.6 



9.7 

 10.8 

 11.4 

 11.4 



10.6 



9.3 



21th 



16.2 



15.1 



14.2 

 13.8 

 13.0 

 13.0 

 13.0 

 13.5 

 14.2 



16.6 



17.8 

 18.6 

 18.1 



17.8 



10.7 



15.1 



14.5 



13.8 



13.1 



12.1 

 12.1 

 11.3 

 11.3 



12.5 



14.2 

 16.5 

 18.4 

 19.4 



20.1 



21.4 

 22.1 

 22. 1 



R, f 

 obs. 



7.5 



6.3 



5.4 

 4.9 

 4.1 

 4.0 

 4.0 

 4.5 

 5.1 



7.5 

 8.6 

 9.4 

 9.9 

 8.5 



7.4 



5.8 



5.2 



4.5 



3.8 



2.8 

 2.8 

 2.0 

 2.0 

 3.2 



4.9 



7.3 



9.2 



10.2 



10.9 



12.2 



12.9 

 12.9 



From about the middle of May to the end of the series the corrections change very little from day to day, 



and are given below: — 



May 21. Correction —6.8 



" 22. " —7.0 



" 2:'.. " —S.ii 



" 24. " —9.3 



