488 



Part I. — Eleventh Annual Report 



TABLE XIV. — Specific Gravity and Calculated Salinity at 

 Bell Rock Lighthouse. 



Ten-day periods. 









9 A.M. 



3 P.M. 





9 A.M. 



3 P.M. 







Period. 





Surface. 



Surface. 



Period. 



Surface. 



Surface. 





























Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 





Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 





1892. 













1892. 













Jan. 1-10 



20 -0t 



3*34 



25-9* 



3-32 



July 1-10§ 



256 



3-27 



25-6 







„ 11-20 



25-8J 



3-30 







t, Ii-205 



25 -5f 



326 



25-3J 



3 23 





,, 21-31 



25-6J 



3-27 



25 : 6f 



3-27 



21-31§ 



25-2 



321 



25-2 



321 





Feb. 1-10 



25-9 



332 



25 -at 



332 



Aug. 1-10§ 



25 -0J 



3-18 



-lo-oX 



323 





„ 11-20 



2c 



■n 



3-29 



25 -Sf 



3-30 



11-20 



24-8 



3-14 



24-9 



3-16 





,, 21 2!) 



25-9* 



3-32 



25-7 



3*29 



„ 21-31 



25-8 



3-30 



25-61 



3"$ 



7 





Mar. 1-10 



25-7 



3-29 



25-7 



3-29 



Sept. 1-10 



26 1 



3-36 



26-0J 



3-34 



,, 11-20 



25-8t 



3-30 



25 -8f 



3'30 



„ 11-20 



25-9 



332 



25-9J 



3-32 





„ 21-31 

 Apr. 1-10 



257 



'3-29 



25-8J 



3-30 



„ 21-30 



25 -8J 



3-30 



25-6J 



3 27 





21 



•8 



3-30 



25-8 



3-30 



Oct. 1-10 



25*7 



3-29 



25 -6J 



3 27 





„ H-20 



25-7 



329 



25 -8f 



3*30 



„ 11-20 



25 -9t 



3-32 



25 -8f 



3-30 





„ 21-30 

 May 1-10 



257 



3-29 



25-8J 



3-30 



,, 21-31 

 Nov. 1-10 



25-6 



3-27 



25 6 



327 





25-8J 



3-30 



25-9 



3-32 



25-6 



3-27 



25-6 



327 





„ 11-20 



25-8J 



3-30 



25-9 



3-32 



„ 11-20 



25-6 



3-27 



25 -6J 



3-27 



21 31 



25-9J 



3-32 



25 -9J 



3-32 



,, 21-30 



as -6} 



3-27 







June 1 1I0§ 



25 - 5 



3*26 



25 -4J 



3-24 



Dec. 1-10 



25-8 



3 30 



25 : 6t 



3-27 





25 ■£>% 



3-26 



25 -7f 



3*29 



„ 11-20 



25-4 



3-24 











,; 21-30§ 



21 



n 



326 



25-5 



3-26 



„ 21-31 



25 7 



3 29 



25 G 



327 



TABLE XV. — Specific Gravity and Calculated Salinity at 

 Bell Rock Lighthouse. 



Monthly Mean. 



Month. 



Surface. 



Sp. Gr. 



Sal. 



Surface. 



Sp. Gr. 



Sal. 



1892. 

 January 

 February 

 March 

 April 

 May 



^[June 



TJuly 



^August 

 September 

 October 

 November 

 December 



25-8 

 25-9 

 25-7 

 25-7 

 25-8 

 25-5 

 25-4 

 252 

 25 9 

 25-7 

 25 6 

 25-6 



3-30 

 3-32 

 3 29 

 3-29 

 3-30 

 3-26 

 3-24 

 321 

 3-32 

 3-29 

 3-27 

 3-27 



25-5 

 25-8 

 25-8 

 25-8 

 25-9 

 25-5 

 25-4 

 25-3 

 25-8 

 25-7 

 25-6 

 25-6 



3-26 

 3-30 



332 

 3-26 

 3-24 

 3-23 

 3 30 

 3 29 

 3-27 

 3-27 



Mean 



25-6 



3-27 



25- 



* One Observation. t Mean of not more than 3 observations, 



t Mean of not more than 6 observations. 



§ Spec. Gr. not accurate during June and July and first week of August, as the Hydrometer was 

 damaged. 



f Sp. Gr. not accurate, as the Hydrometer was damaged. 



