14 



RECORD AND REDUCTION OF THE TIDES. 



Series I.— Tidal Observations from October 10, 1853, to December 28, 1853. 



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. 



December, 1853. 



Mean 

 .<olar 

 hour. 



11th. 



Red. 



to 

 level. 



Ref. 

 obs. 



12th. 



1 



2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 



11 



Noon 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



Mi.ln't 



8.2 



7.4 



6.8 

 6.3 

 6.5 



7.5 

 8.7 



11.8 



12.4 



13.7 

 14.2 

 14.7 

 15.0 

 15.0 

 14.7 

 14.3 



13.4 



11.2 



9.4 

 -.7 

 8.3 

 S.3 



—4.3 



—4.4 



—4.5 



—1.6 



—4! 8 



—4.9 



—5.0 



—5.1 



—5.2 

 —5.3 

 —5.4 

 —5.5 



u 



—5.6 



—5.7 



—5.9 



—6.1 

 —6.2 

 —6.4 



—6.5 



3.9 



3.0 



2.3 

 1.7 

 1.8 



2.7 

 3.8 



Red. 



to 

 level. 



Ref. 

 obs. 



13th. 



7.3 



8.5 

 8.9 

 9.3 

 9.5 

 9.5 

 9.1 

 8.7 



7.7 



5.3 



3.3 

 2.5 

 1.9 

 1.8 

 2.0 



2.8 



4.1 



5.0 



6.1 



7.4 



7.8 

 7.7 

 7.5 

 6.9 



5.1 



12.2 



11.1 



10.2 

 10.0 

 10.0 

 10.2 

 10.4 



12.9 



15.5 



18.0 



19.7 



20.4 

 2d... 

 21.2 

 20.2 

 20.2 



20.2 



18.5 

 16.S 



15.9 



15.2 

 15.6 



17.7 



19.7 



21.0 



21.9 



22.8 

 23.2 

 23.3 

 23.4 

 23.4 



—8.8 



—9.1 



—9.3 

 —9.5 

 —9.7 

 —9.8 

 -10.0 



-10.2 



-10.4 

 —10.7 

 —10.9 



3.4 



2.0 



0.9 

 0.5 

 0.3 

 0.4 

 0.4 



2.7 



5.1 



7.3 



11.1 9.3 

 —11.2 9.6 

 11.3 9.9 

 11.4 

 11.5 



Red. 



to 

 level. 



-11.7 

 -11.9 

 -12.1 



8.7 

 8.5 



6.6 



4.7 



12.3 3.6 



—12.4 2.8 



12.5 3.1 



12.7 



•12.9 

 —13.1 

 —13.3 



—13.5 9.3 



—13.6 9.6 



—13.7 9.6 



—13.8 9.6 



—13.9 9.5 



5.0 



6.8 

 7.9 



21.4 

 20.7 



20.3 



19.8 

 18.9 

 is. 2 

 18.7 

 19.4 



20.8 



22.5 



24.7 



25.7 



26.7 

 7.0 

 27.0 

 27.1 

 26.8 

 12.0 

 11.9 



10.9 



10.8 



10.2 

 10.0 

 10.3 

 10.3 

 10.7 



12.2 



13.0 



15.1 

 15.7 

 16.0 

 16.0 

 16.0 

 15.7 

 15.2 



-14.0 

 -14.1 



—14.3 



—14.5 

 —14.6 

 —14.7 

 —14.8 

 —14.9 



—15.1 



Ref. 

 obs. 



7.4 

 6.6 



6.0 



5.3 



4.3 

 3.5 

 3.9 

 4.5 



5.7 



15.3 7.2 



-15.5 



-15.7 



-15.9 

 -16.0 



-16.1 



-16.2 



-16.3 



? 



? 

 —7.1 

 —7.2 



14th. 



Red. 



to 

 level. 



13.9 

 12.9 



11.2 



1H.2 

 10.0 

 10.0 

 10.0 

 10.2 

 10.6 



-7.4 



—7.5 



9.2 



10.0 



10.8 

 ll.o 

 10.9 



in.'.i 

 10.5 



3.7 



3.0 

 2.8 

 3.1 

 3.1 

 3.4 



4.9 



5.7 



7.7 

 8.3 

 8.6 

 8.6 

 8.5 



12.1 

 15.1 



17.2 



19.4 

 20.2 

 20.5 

 20.2 

 19.6 



18.2 



16.2 



13.8 



11.5 



11.1 

 10.8 

 10.8 

 10.7 

 10.9 

 11.2 



13.7 



15.6 



16.9 

 17.2 

 17.3 

 8.2|17.2 

 7.7117.1 



—7.6 



—7.7 



— 7.f 



—7.9 



— S.O 



—8.1 



—8.2 



—8.3 



Ref. 

 obs. 



15th. 



Red. 



to 

 level. 



—8.4 



6.3 



5.3 



3.5 



2.5 

 2.3 

 2.3 

 2.3 

 2.5 

 2.8 



4.3 



7.2 



9.3 



11.4 

 12.2 

 12.5 

 12.2 

 11.5 



10.1 



8.1 



5.6 



3.3 

 2.9 

 2.6 

 2.6 

 2.4 

 2.6 

 2.9 



5.4 



7.3 



8.5 



8.9 



s.s 



15.4 

 13.7 



12.2 



11.5 

 11.3 

 11.1 



11.4 

 11.7 



12.2 

 12.9 



15.2 



17.8 



19.6 



20.5 



21.0 

 22.0 

 22.3 

 21.2 

 20.1 



17.6 



16.2 



15.6 

 15.4 

 15.1 

 15.2 

 15.7 



16.8 



18.8 



21.2 



22.4 

 22.9 



—8.5 



it 



—8.6 



U 

 (( 



—8.7 



(( 

 M 



—8.8 



Ref. 

 obs. 



—9.0 



5.2 



3.6 



2.9 

 2.7 

 2.4 

 2.7 

 3.0 

 3.4 

 4.1 



6.4 



8.9 



10.7 



11.6 



16th. 



Red. 



to 

 level. 



Ref. 

 obs. 



8.7 23.0 



12.0 

 " 13.0 



—9.1 13.2 

 " J12.1 



—9.2 10.9 



— 9.3 I 8.3 



—9.41 6.8 



—9.5 6.1 



" I 5.9 



—9.6, 5.5 



5.6 



—9.7 6.0 



— 0.8 1 7.0 



—9.9 1 8.9 



—10.1 11.1 



I 

 —10.3 12.1 

 —10.4 12.5 

 —10.5 12.5 



23.0 



22.7 



20.4 



18.5 



16.0 

 15.3 

 15.4 

 15.9 

 16.1 



17.2 



19.1 



21.2 



24.0 



26.0 



27.3 



27.5 

 27.3 

 26.8 

 26.0 



23.1 



21.0 



18.3 



17.6 

 17.5 

 17.5 

 17.5 



17.7 



19.7 

 21.5 

 23.1 



2::.- 



—10.6 12.4 

 —10.8 11.9 



-11.1 9.3 



—11.4 



—11.7 

 —11.8 

 —12.0 



—12.2 

 —12.3 



—12.6 



—12.9 



—13.4 



—13.7 



—14.1 



—14.5 

 —14.7 

 —14.8 

 —15.0 

 —15.1 



—15.3 



15.5 



15.6 



—15.8 



ft 



15.9 



(i 



16.0 

 —16.1 

 —16.2 

 —16.3 

 —16.4 



7.1 



4.3 

 3.5 

 3.4 

 3.7 

 3.8 



4.6 



6.2 



7.8 



10.3 



11.9 



12.8 

 12.8 

 12.5 

 11.8 

 10.9 



7.8 



5.5 



2.7 



1.8 



1.7 

 1.6 

 1.6 

 1.7 



3.6 



5.3 



5.8 



7.4 



