160 



RKPORT— 1839. 



Table XIV. 



Showing the four Semi- Oscillations in Summer and Winter in 

 periods of Six Months each, with the Differences of each from 

 the Mean of the Whole Year, together with the Differences of 

 the two Ascending and the two Descending Oscillations. 



Seasons. 



=1 



Morning Tide. 



Evening Tide. 1 



Ascending. 



Descending. 



Ascending. 



Descending. 1 



4tolOA.M. 



Differ- 

 ence. 



10 A.M. to 4 P.M. 



Differ- 

 ence. 



4 P.M. to 10 P.M. 



Differ- 

 ence. 



10 P.M. to 4 A.M. 



Differ 

 ence. 



Summer . 



•015 



•Oil 



•006- 



•014 



•003- 



•019 



•002+ 



•016 



•0008 



Winter. . 



•020 



4 to 10 A.M. 

 •015 



•002- 



lOA.M.toSP.M. 

 •020 



•003 -i- 



3 P.M. to 9 P.M. 

 •025 



•008 



9 P.M. to 4 A.M. 

 •020 



•003 







Seasons. 



Ascending -f 



Descending - 



1 









DifFerence of a.m. and p.m. 



J Summer "1 

 \ Winter J 



•008 

 •010 



•002 

 •000 







Table XV. 



Showing the four Semi-Oscillations of Spring, Summer, Autumn 

 and Winter, in Periods of Three Months each, with the 

 DifFerence of each from the Mean of the Whole Year, toge- 

 ther with the Differences of the two Ascending and the two 

 Descending Oscillations. 



Seasons. 



6 



Morning Tides. 



Evening Tides. 1 



Ascending 

 + 



Differ- 

 ence. 



Descending - 



Differ, 

 ence. 



Ascending + 



Differ, 

 ence. 



Descending — 



enc 



Spring . 



•017 



4 to 10 A.M. 



•012 



•005- 



lOA.M. to 4 P.M. 

 •012 



•005- 



4 to 10 P.M. 

 •022 



•005+ 



10 P.M. to 4 A.M. 

 •022 



•005 



Summer 



•013 



5tolOA.M, 

 •010 



•007- 



10 A.M. to 5 P.M. 

 •009 



•008- 



5 to 10 P.M. 

 •016 



•008- 



10 P.M. to 5 A.M. 



•017 



•000 



Autumn 



•0185 



4 to 9 A.M. 



•015 



•002- 



9 A.M. to 4 P.M. 

 •020 



•003 + 



4 P.M. to 9 P.M. 

 •022 



•005 + 



9 P.M. to 4 A.M. 



•017 



•000- 



Winter . 



•023 



StolOA.M 



•019 



•002-f 



10 A.M. to 3 P.M. 



•030 



•013 + 



3 to 11 P.M. 

 •027 



•010+ 



11 P.M. to 5 A.M. 



•016 



■ ■ ■■ -J 



•000 







Seasons. 



Ascending + 



Descending- 



. 



DifFerence of a.m. and p.m. 



r Spring "1 

 1 Summer 1 

 1 Autumn [ 

 [Winter 



•010 

 •006 

 •007 

 •008 



•010 

 •008 

 •003 

 •014 































.i 



