RECORD AND REDUCTION OF THE TIDES. 



(il 



Table for the Reduction of Tides No. 2. 



Showing the Interval between the App. Time of the Moon's Superior Transit and the Time of Low 

 Water, and also the Heights of Low Water, at Van Rensselaer Harbor, from Four Series of 

 Observations made between October 10, 1853, and October 22, 1854. 



6" to 1\ 



Moon's 

 transit. 



App. time. 



H. M 



Lunitidal 



nili i\ al. Height of 

 L. water. 



L. water. 



16 



17 

 17 

 L8 



17 

 18 

 17 

 18 



M. Ft. Dec 



45 



59 



55 



32 



55 



00 



29 i 



28 



17 18 

 20 01 



45 

 34 

 04 

 49 

 17 

 53 

 32 



li 28 



17 46 



18 I 00 



16 



[j 



J3 T3 



II 



II. 



III. 



7" to 8". 



Moon's 

 transit. 



App. time, 



II. M 



IV. 



Lunitidal 



interval. 



L. water. 



H. M. 



47 

 24 



02 

 38 

 45 

 10 



Height of 

 L. water. 



Ft. Dec. 



43 

 23 



° a 



H 



8" to 9" 



Moon's Lunitidal 

 transit. interval. 



App. time. 

 H. I M. 



III. 



IV. 



22 

 11 



59 

 02 

 48 

 20 

 04 

 46 

 23 



L. water. 

 H. 



34 

 01 



57 



M. 



Height of 

 L. water. 



Ft. Dec. 



27 j 

 39 | 

 24 J 

 09 

 32 

 28 

 59 

 25 



32 

 14 

 18 



MEANS. 



17 

 18 



The high value 20 h 01"' is reject- 

 ed, hence new mean — 



2s 



17 42 



16 



29 

 29 



is 



17 



21 

 21 



The low value 15 b 51"' i3 rejected, 

 hence new mean — 



7 29 18 24 



20 



|S£ 



II. 



III. 



IV. 



25 

 25 



