RECORD AND REDUCTION OF THE TIDES. 



17 



Series II Tidal Observations from January 28 to At-ril 7, 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. 



January, 1854. 



Mean 



solar 

 hour. 



28th 



3 

 4 

 5 

 6 



7 



8 



9 



10 



11 



Noon 



1 



2 



3 



4 



L3.2 



12.8 



12.0 



11.0 

 8.8 



6.3 



5.9 

 0.2 

 6.7 



8.2 



11.0 



15.6 



17.7 



19.9 



21.0 

 21.2 

 20.4 



18.8 



17.1 



15.6 



13.7 



Bed. 



to 

 level. 



Ref. 



obs. 



29th. 



6 

 7 



S 



9 



10 



11 

 Midn't 



12.2 

 12.0 

 12.2 



14.2 



17.1 



19.9 



21.1 



21.6 



—2.6 



—2.8 



—3.3 

 —3.8 

 —4.2 



—4.7 



—5.1 

 —5.3 



—5.4 



—5.9 

 —6.4 

 —7.2 

 —8.0 

 —8.8 



U 



— S.9 

 —9.0 

 —9.1 

 —9.2 

 —9.3 

 —9.4 



ft 



—9.5 

 —9.6 

 —9.7 

 —9.8 

 —9.9 

 —10.0 



10.6 



10.0 



S.7 

 7.2 

 4.6 



1.6 



1.0 



1.1 

 1.4 



2.8 



5.1 



9.2 



10.5 



11.9 



12.2 

 12.4 

 11.5 



9.8 



8.0 



6.4 



4.4 



2.8 

 2.6 

 2.7 



4.6 



7.4 



10.1 



11.2 



11.6 



Red. 



1.. 

 level. 



Ref. 

 obs. 



30th. Red. 

 I to 

 level. 



21.9 

 21.5 



19.6 



17.7 



16.1 



15.0 



12.2 



11.9* 



12.1 



L3.4 



14.6 



18.6 



20.7 



23.4 



24.5 

 20.7 

 19.7 

 19.2 

 18.7 



15.6 



12.0 



10.8 



10.0 

 9.7 

 9.2 

 8.6 

 7.8 

 7.7 

 8.7 



10.8 



13.4 



14.8 



-10.0 

 -10.1 



-10.2 



—10.3 



—10.4 



—10.5 



—10.6 

 (i 



—10.7 



—10.8 



—10.9 



—11.0 



•11.1 



■11.2 

 ■11.1 

 ■11.0 

 -10.9 

 —10.8 



—10.6 



■10.4 



■10.2 



—10.0 

 —9.9 

 —9.8 

 —9.7 

 —9.6 

 —9.5 

 —9.4 



—9 2 



—9.0 



—S.7 



11.9 



11.4 



9.4 

 7.4 



5.7 



4.5 



1.6 

 1.3 



1.4 



2.7 

 3.8 



7.7 



9.7 



12.3 



13.3 



9.6 

 8.7 

 8.3 

 7.9 



5.0 



1.6 



0.6 



0.0 



—0.2 



■0.6 



■1.1 



—1.8 



—1.8 



-0.7 



0.6 



4.4 



6.1 



15.6 

 12.8 

 10.5 



9.2 



7.4 

 7.4 

 7.5 

 7.8 

 8.2 



10.3 



12.2 



16.5 —7.5 

 16.2 —7.4 



7.3 



■7.2 

 7.1 

 ■7.0 

 ■6.9 

 —6.8 



tf 



■6.7 



—6.6 



■6.5 



Ref. 



obs. 



14.3 —6.4 



::i,i 



18.3 



20.1 

 20.2 

 19.7 



17.7 



14.6 



8.2 



6.3 

 6.1 



5.7 

 5.6 



5.5 

 5.7 

 6.7 



9.3 



12.1 



14.0 



-6.3 



(t 

 M 



—6.2 

 —6.1 



-6.0 



—5.9 



—5.8 



9.0 



8.8 



S.3 



5.6 



3.4 



2.2 



0.5 

 0.5 

 0.7 

 1.0 

 1.5 



3.7 



5.7 



7.9 



12.0 



13.8 

 13.9 

 13.5 



11.6 



8.5 



2.2 



0.3 



0.1 



—0.3 



■0.3 



I— 0.4 



!— 0.2 



0.8 



3.4 



6.2 



8.2 



14.9 



15.5 

 15.2 

 14.7 



14.3 



11.7 



9.2 



6.9 

 5.9 

 5.3 

 5.3 

 5.3 

 5.3 

 6.9 



10.0 



13.0 



16.2 

 17.3 

 18.3 

 19.0 

 18.2 



16.8 



15.7 



13.0 



9.7 



7.3 

 7.2 

 7.2 

 7.2 

 7.4 

 8.0 

 9.0 



12.0 



14.6 



—5.8 



Red. 



to 

 level. 



Ref. 

 obs. 



-5.7 



-5.6 



(( 

 (( 



a 

 -5.5 



U 



a 



-5.4 

 —5.3 



ti 



u 



It 



—5.4 



Cf 



—5.5 



ti 



-5.6 



February, 1854. 



1st. I Red. ! Ref. 

 to obs. 

 level. 



9.1 

 9.7 

 9.4 

 8.9 



6.0 

 3.5 



1.2 



0.3 

 — 0.3 

 —0.3 



■0.3 

 —0.2 



1.4 



4.5 



7.C 



10.9 

 12.0 

 13.0 

 13.7 

 12.8 



11.4 



10.2 



7.5 



4.1 



1.7 

 1.6 

 1.6 

 1.5 



1.7 



2.:; 

 3.3 



6.3 



—5.8 



16.2 



16.8 

 17.0 

 17.0 

 17.0 

 L6.9 



12.6 



10.6 



8.5 

 7.9 

 7.7 

 7.7 

 7.5 

 S.3 

 10.0 



13.0 



16.3 



17.7 



18.4 

 19.0 

 19.2 

 18.9 

 18.2 



15.8 



12.4 



10.0 



8.7 

 S.5 

 8.4 

 8.4 

 8.6 



10.0 



12.1 



-5.8 

 -5.9 



10.4 



10.9 

 11.1 

 11.1 

 11.1 

 6.0 10.9 



—6.1 



-6.2 



-6.3 



6.6 



4.5 



2.4 

 1.8 

 1.6 

 1.6 

 1.3 

 2.1 



2d. 



13.2 

 13.5 



14.3 



15.6 

 1G.0 

 16.2 

 16.2 

 15.7 



14.0 



10.6 



8.9 

 9.1 

 8.2 

 8.2 

 8.7 



Red. 



to 

 level. 



-6.2 



Ref. 

 obs. 



—6.2 



7.0 

 7.3 



8.1 



9.4 



9.8 



10.0 



10.0 



9.5 



7.8 



4.4 



2.7 

 2.9 

 2.0 

 2.0 

 2.5 



5.0 



6.9 



S.5 



9.9 



10.1 



10.6 



9.9 



9.9 



8.7 



7.7 



4.6 



1.9 



0.4 

 0.4 

 0.3 

 0.3 



0.9 



3.0 



Jan. 28. Sounding at noon 8 

 " 29. " " 8 



Jan. 27. At 11 P. M., 13.7 ; at IP 30">, 13.8 ; at 28th, 0\ 13.9, high water; corrected high water 11.3. 



Filth. Feel. luch. 



Corrected reading by sounding 11.4, by curves 13.1, mean 1 ...... 



1 6 Index changed to 19.6. Corrected reading by sounding 12.9, by 



curves 13.7, mean 13.3. 



« 30 _ « 8 6 Corrected reading by sounding 11.9, by curves 12.1, mean 12.0. 



ii 3|_ « " Corrected reading by curves In. 9. 



Feb. 1. " " 7 4 6 Ebb tide at 7] A. M. 



„ ' o « <i 7 10 Ebb tide at 4 P.M. (probably means ebb commences). Index 13.0. 



Note to Feb. 1 and 2. The correction is derived from the soundings and curves. 



