of the Fishery Board for Scotland. 



469 



TABLE XVI. — Specific Gravity and Calculated Salinity at 

 Abertay Light Vessel. 



Ten-day periods. 











9 A.M. 







3 P.M. 



Period. 



Surface. 



3 fathoms. 



Bottom. 



Surface. 



3 fathoms. 



Bottom. 







Sp.Gr. 



Sal. 



Sp.Gr. 



Sal. 



i 



Sp.Gr. 



Sal. 



Sp.Gr. 



Sal. 



Sp.Gr. 



Sal. 



Sp.Gr. 



Sal. 



1892. 



























Jan. 



1 10 



Ba "1 



O OA 



•v20 



2-) '1 



3 '20 



25'1 



3 '20 



21'7 



2'58 



oo 



23 '4 



2 '89 



oo 



23 '9 



2'99 



„ 



11-28 



221 



2 '66 



22 '9 



2'79 



23 - 3 



2 '87 



24 '■> 



3 '08 



24 '7 



3'12 



24'9 



3 "16 



Feb. 



21-31 



21 '7 



2 '-58 



23" 1 



2'82 



23 '9 



2 '99 



23'7 



2'96 



24 '8 



3'14 



25 '1 



3 '20 



1-10 



24'0 



3 "00 



24'6 



3'10 



24'9 



3*16 



23'0 



2 '80 



24'0 



3'00 



24'8 



3 '14 





11-20 





2 '62 



on !> 



3"10 



23 ■5 



2 '92 



25 '0 



3 '18 



25 '2 



3'21 



25 '3 



3'23 



„ 



21-29 



OO 'f 



'22'0 



o nt 



22 '9 



2'79 



23 '6 





23 '5 



2 '92 



24 '2 



^•in 



Z4r -i 



3'07 



Mar. 



1 10 



'24:' o 



o'Oo 



24 '7 



3'12 



24'8 



3 '14 



24'2 



3 '03 







24 '9 



3'16 





11-20 





2'92 



23 "9 



o \*- 



24'2 



3 '03 



oo ? 





25 '1 



Q 9ft 



25 '2 



q..)1 





21 31 



oo "a 



23*4 



2'89 



"' ° 



2'9/ 



24 '0 





2o'4 



"i on 



2 89 



24'5 



3 'OS 



4-i 1 



3'12 



Apr. 



1-10 



24 '1 



3'02 



24 "o 



3'10 



2->'l 



O OA 



o'20 



24 '4 



3'07 



si I 



O.I.I 



o Mi 



ok .n 

 Zo U 



3 '18 





11-20 



24 '0 



3 '00 



24 '2 



3 '03 



•lA'A 





24 ' 9 



3 '16 



°5'1 



3 '20 





3 '24 





21-30 



24-4 



3-07 



24-6 



3 10 



249 



3 16 



24'5 



3'08 



24-8 



3'14 



25'0 



318 



May 



1-10 



24 8 



3-14 



24'9 



316 



23-4 



3'24 



24 '8 



3-14 



22-4 



2'72 



2.5-2 



3'21 





11-20 



246 



3-10 



24'7 



312 



250 



3'18 



24'8 



314 



25'0 



3-18 



25-3 



323 



June 



21-31 



23 9 



2-99 



24-2 



3'03 



24 6 



310 



24'8 



3 14 



24'9 



316 



253 



3 23 



1-10 



22-9 



2 79 



237 



2*96 



246 



3'10 



22-3 



2-70 



23-4 



2'89 



24 2 



3'03 





11-20 



23-7 



2-96 



24-2 



303 



24 '7 



3' 12 



23'7 



2'96 



24-5 



3-08 



25 1 



320 





21 30 



23-1 



2-82 



23-3 



2-87 



24'2 



3 03 



24-9 



3'16 



24-9 



316 



25-2 



321 



July 



1-10 





Ship 



under 



going 



repairs 



















11-20 



24 9 



316 



25 1 



3-20 



25-4 



3 24 



23'7 



2'96 



24 3 



3'05 



24'8 



3'14 





21-31 



239 



299 



24-2 



3-03 



24'7 



3-12 



25'2 



3 21 



25-3 



3'23 



257 



3 29 



Aug. 



1-10 



24 3 



3 05 



24'7 



312 



252 



3'21 



24'6 



3'10 



25'0 



3'18 



255 



3'26 





11-20 



25 0 



3-18 



25-2 



321 



25 4 



3-24 



24'8 



3 14 



24'9 



3-16 



25'2 



3'21 





21-31 



234 



2-89 



237 



2-96 



24-4 



3-07 



246 



310 



25-3 



3'23 



25'7 



3'29 



Sept. 



1-10 



221 



2 66 



23-3 



2-87 



24 2 



3-03 



23'8 



2'97 



25'1 



3 20 



256 



3'27 



11-20 



22-8 



2-78 



23 6 



2-94 



24 3 



3-05 



24'2 



3-03 



246 



310 



249 



3' 16 





21-30 



23-4 



2-89 



23-8 



2-97 



24'0 



3'00 



22'8 



2'78 



249 



3'16 



25 5 



3 26 



Oct. 



1-10 



199 



2-00 



22-0 



2'64 



217 



2-58 



23'9 



2'99 



24'8 



3 14 



25-1 



3 20 





11-20 



22 3 



2-70 



23 4 



2-89 



24 1 



3-02 



242 



3'03 



24 9 



3 16 



252 



321 





21-31 



242 



3-03 



24-0 



3-00 



244 



3'07 



23'5 



292 



24'5 



3'08 



24'9 



3 16 



Nov. 



1 10 



215 



2 54 



221 



2-66 



22-8 



2-78 



24 7 



312 



224 



272 



251 



320 





11-20 



203 



2 33 



21-8 



2-60 



23-4 



2'89 



21'8 



2'60 



23'9 



2-99 



24'5 



1 3 08 





21-30 



22-7 



2-76 



23-3 



2-87 



23-7 



2-96 



22 6 



2'75 



236 



2-94 



24'2 



3 03 



Dec. 



1-10 



22-6 



2 75 



23 1 



2-82 



24-0 



3-00 



249 



316 



250 



3-18 



25'1 



1 3'20 





11-20 



226 



2 75 



23-3 



2-87 



240 



3-00 



236 



2'94 



24-4 



3'07 



24'6 



3 10 





21-31 



23-8 



2-97 



24-2 



3-03 



24-4 



3-07 



239 



2-99 



24-2 



3-03 



24 6 



3'10 



1 



TABLE XVII. — Specific Gravity and Calculated Salinity at 

 Abertay Light Vessel. 



Monthly Means. 





9 A.M. 



3 P.M. 



Month. 



Surface. 



3 fathoms. 



Bottom. 



Surface. 



3 fathoms. 



Bottom. 





Sp.Gr. 



Sal. 



Sp.Gr. 



Sal. 



Sp.Gr. 



Sal. 



Sp.Gr. 



Sal. 



Sp.Gr. 



Sal. 



Sp.Gr. 



Sal. 



1892. 

 January 

 February 

 March 

 April 

 1 May 

 June 

 July 

 August 

 September 

 October 

 November 

 December 



23-0 

 22'6 

 23-8 

 242 

 24 4 

 23 2 

 24'4 

 242 

 22*8 

 221 

 215 

 23-0 



2- 80 

 275 

 2'97 



3- 03 

 3'07 



2- 84 

 307 



3- 03 

 2-78 

 2-66 

 2'54 

 2'80 



23-7 



23- 4 

 241 



24- 5 

 24-6 



23 7 

 246 



24 5 

 i 23 6 



231 

 22 4 

 i 23 5 



2'96 



2- 89 



3- 02 

 3-08 

 3-10 



2- 96 

 3 10 



3- 08 

 2-94 

 2-82 

 272 

 292 



24 1 



240 

 24-3 



24- 8 



25- 0 

 245 

 25-0 

 25-0 

 24-2 

 23-4 

 23-8 

 241 



302 

 3-00 

 3-05 

 314 

 3-18 

 3-08 

 3-18 

 3-18 



2-89 



2- 87 



3- 02 



233 



23- 8 

 242 

 246 



24- 8 

 236 

 24-4 

 247 

 23-6 



23 9 

 23-0 



24 1 



2-87 



2- 97 

 3*03 



3- 10 

 314 

 2 94 

 3-07 

 312 

 2-94 

 2-99 

 2-80 

 302 



24-3 

 245 

 24-7 

 24-9 

 24 1 

 24 3 

 24-8 

 251 

 24-9 

 24 7 

 23 3 

 245 



3-05 

 3-08 

 312 

 316 

 3 02f 

 305 

 314 

 320 

 316 

 :',12 

 2-87 

 308 



24-6 



24- 8 

 249 

 25 1 



25- 3 



24- 8 



25- 2 

 255 

 25-3 

 25 1 

 24 U 

 248 



310 

 314 

 316 

 3-20 

 323 

 3 14 

 3 2] 

 826 

 3 23 

 320 

 310 

 314 



Mean 



23-3 



2 87 



23-8 



2-97 



243 



3-05 



24-0 



300 



24 5 



3-08 



25 0 



318 



