316 



Part III. — Thirteenth Annual Report 



TABLE XIII. — Specific Gravity and Calculated Salinity at 

 North Carr Light Ship. 



Ten-day Periods. 



Period. 





9 A.M. 



3 P.M. 



Surface 





Bottom. 



Surface. 



Bottom. 



Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



1893. 





















Jan. 1-10 



24 9 



3 



16 



24-8 



3*14 



251 



3*20 



25*0 



318 



ll- 20 



25-2 



3 



•21 



25-3 



3 23 



25*3 



3 23 



25-4 



3"24 



21-31 



24-9 



3-16 



25-2 



321 



25-1 



320 



25-4 



324 



Feb. 1-10 



24 - 8 



314 



24-8 



3 "14 



24-8 



3-14 



24 9 



3 16 



„ 11-20 



251 



3 



•20 



25-2 



321 



24-8 



3*14 



25-0 



318 



,, 21-28 



23*9 



2 



•98 



24-5 



3-08 



24-3 



3 05 



24 7 



312 



Mar. 1-10 



24-8 



3-14 



25-0 



3 18 



24-8 



314 



25 3 



323 



„ 11-20 



25 4 



324 



25-5 



3-26 



25-6 



3-28 



25 6 



3-28 



„ 21-31 



25 2 





•21 



25-6 



3-28 



25-7 



3-29 



25-8 



3-31 



Apr. 1-10 



25-2 



t 



•21 



252 



3 21 



25-2 



321 



25-4 



3-24 



,, 11-20 



252 



3-21 



25-0 



3*18 



253 



3"23 



25-3 



3-23 



„ 21-30 



249 



3 



•16 



25-0 



3 - 18 



24 9 



3*16 



251 



3-20 



May 1-10 



25-4 



3-24 



25-4 



3-24 



25 4 



3-24 



25-5 



3-26 



ii H-20 



25-4 



3-24 



25 6 



3-28 



25-8 



3 31 



25 9 



3-32 



.» 21-31 



25-4 



3 



•24 



25-7 



3-29 



25 5 



326 



25-8 



3-31 



June 1-10 



25-4 



3-24 



25-6 



3-28 



25-4 



324 



25 6 



3 28 



„ 11-20 



25 6 



3-28 



25 7 



3-29 



25-5 



326 



25-7 



329 



„ 21-30 



25 5 



3 



•26 



25-5 



3-26 



25-3 



3-23 



25 5 



3-26 



July 1-10 



25 5 



3 



•26 



25-6 



3-28 



25-7 



3-29 



259 



3-32 



„ 11-20 



25-6 



3 



•28 



25-7 



3-29 



25 7 



3-29 



25-7 



3-29 



21-31 



25-6 



3-28 



CO 



331 



25-9 



3-32 



26-0 



3 34 



Aug. 1-10 



25 4 



324 



25-5 



3-26 



25 5 



3-26 



256 



3-28 



„ 11-20 



25-8 



2 



•31 



25 9 



3-32 



259 



332 



259 



3 32 



„ 21-31 



25-7 



a 



•29 



25-7 



329 



25-8 



331 



25-9 



3 32 



Sept. 1-10 



25-2 



3 



•21 



253 



323 



25-4 



324 



25-6 



3-28 



,, 11-20 



24-9 



3 



•16 



251 



3-20 



25 2 



321 



25-4 



3 24 



„ 21-30 



25-1 



3 



•20 



251 



3-20 



25-2 



321 



253 



3 23 



Oct. 1-10 



24-8 



3 



•14 



24-9 



316 



24-9 . 



3-16 



24-8 



314 



,, H-20 



24-5 



3-08 



24 6 



3 10 



247 



312 



247 



312 



,, 21-31 



252 



321 



25-0 



3-18 



250 



3-18 



25-0 



3-18 



Nov. 1-10 



25 1 



3-20 



25-2 



321 



25-2 



3 21 



25-1 



3 20 



„ 11-20 



25 2 





■21 



24 -7 



312 



251 



3 20 



25-2 



3 21 



„ 21-30 

 Dec. 1-10 





















,, 11-20 





















m 21-31 





















TABLE XIV. — Specific Gravity and Calculated Salinity at 

 North Carr Light Ship. 



Monthly Means. 



Month. 



9 A.M. 



3 P.M. 



Surface. 



Bottom. 



Surface. 



Bottom. 



Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



Sp. Gr. 



Sal. 



1893. 



















January 



25-0 



318 



25 1 



3-19 



25-2 



3-21 



253 



3 22 



February 



24 6 



3-11 



24-8 



3-14 



24-6 



311 



24-9 



315 



March 



251 



3-20 



25-4 



3-24 



25-4 



3 24 



256 



327 



April 



25 1 



319 



251 



3-19 



25-1 



3-20 



25 3 



3-22 



May 



25-4 



3-24 



25-6 



3-27 



25-6 



3-27 



25 7 



3-30 



June 



25 5 



3-26 



25-6 



3-28 



25-4 



324 



25-6 



3-28 



July 



25 6 



3-27 



25-7 



3-29 



25-8 



3-30 



259 



3 32 



August 



25 6 



3'28 



25-7 



3-29 



25-7 



3-30 



25 8 



331 



September 



25 1 



3-19 



25-2 



321 



25-3 



322 



25 4 



3 25 



October 



24-8 



3 14 



24-8 



315 



24-9 



3-15 



24-8 



315 



November 



25-1* 



3-20 



25-0* 



317 



251* 



3 20 



251* 



3 20 



December 



















* Twenty observations only 



