of the Fishery Board for Scotland. 



311 



PHYSICAL OBSERVATIONS, 1893. 



I. — FIXED STATIONS. 

 TABLE I. — Temperature op Water — Abertay Light Vessel. 



Ten -day Periods. 





Observations, 9 a.m. 



Observations, 3 p.m. 



Ten-day Period. 





























Surface. 



3 Fathoms. 



Bottom. 



Surface. 



3 Fathoms. 



Bottom. 



1893. 















Jan. 1-10 



3-7 



4-4 



4 - 6 



4 '2 



54 



5*4 



„ 11-20 



3-3 



5-0 



4-3 



40 



4*6 



4 6 



„ 21-31 



4-2 



4-6 



4*8 



4-4 



4"7 



4'8 



Feb. 1-10 



43 



49 



4*9 



4*8 



5*0 



51 



„ 11-20 



4-3 



4-7 



4-7 



4 - 6 



5*0 



"5 1 



„ 21-28 



3-7 



47 



4*8 



3-5 



4*3 



4*7 



Mar. 1-10 



4 - l 



44 



4-5 



4-6 



4 "7 



49 



„ 11-20 



4 2 



4*8 



4 "9 



4*6 



5'i 



51 



„ 21-31 

 Apr. 1-10 



5-0 



5-2 



53 



5 "5 



6*5 



5 5 



6 - 0 



6-0 



6-0 



6-0 



5-9 



5*9 



„ 11-20 



60 



6 4 



6"3 



6*1 



6'3 



6 3 



„ 21-30 



7-0 



69 



6-7 



7 3 



7-4 



73 



May 1-10 



7-7 



7-7 



7-7 



7-8 



7-8 



77 



m H-20 



8-6 



8-5 



8-3 



8-7 



8-4 



8 4 



„ 21-31 



91 



91 



8-8 



9-9 



9-8 



95 





10-5 



io-o 



9-9 



10-7 



|104 



10-1 



„ 11-20 



111 



10-8 



10-8 



109 



10-6 



10-4 



21-30 

 July 1-10 



11-5 



11-5 



11-3 



11-8 



11-7 



11-5 



12-4 



125 



124 



126 



12 7 



12-6 



„ 11-20 



13-0 



13 3 



132 ' 



129 



131 



131 



n 21-31 



123 



12 6 



12 5 



132 



137 



13-5 



Aug. 1-10 



124 



126 



126 ' 



131 



131 



131 



„ 11-20 



147 



143 



14-4 



144 



14-0 



138 



„ 21-31 



135 



13-9 



137 



13-4 



13-4 



13-4 



Sept. 1-10 



131 



135 • 



13 4 



134 



137 



\ 13 6 



„ 11-20 



12 7 



13 1 



131 ' 



129 



13 1 



131 



„ 21-30 



10-7 



11-5 



11-5 



11-2 



121 



121 



Oct. 1-10 



10 5 



111 



112 



10-9 



11-4 



1 11-5 



„ 11-20 



10-2 



10-8 ' 



10-8 • 



10-8 



11 1 



11 2 



„ 21-31 



9-4 • 



103 



10-5 



9 9 ' 



10 7 



i 107 



Nov. 1-10 



71 



8-2 • 



8-6 ' 



7-6 ' 



8-9 



j 90 



„ 11-20 



7-0 • 



8-0 ■ 



8-1 



7 5 



8-4 



8-4 



„ 21-30 



5-8 



6-6 



6-8 



6-8 



7-5 



7 5 



Dec. 1-10 



67 



6-4 



66 



5 '7 



66 



6-7 



„ H-20 



5-6 



6-2 



63 



5-7 



62 



6 4 



„ 21-31 



5 4 



59 



61 



6 0 



64 



6-4 



TABLE II. — Temperature op Water — Abertay Light Vessel. 



Monthly Means. 



Month. 



Observations, 9 a.m. 



Observations, 3 p.m. 

















Surface. 



3 Fathoms. 



Bottom. 



Surface. 



. 3 Fathoms. 



Bottom. 



1893. 

 January 



3-7 



47 



46 



42 



4-9 



4-9 



February 



41 



4-8 



4-8 



4 3 



4-8 



< SO 



March 



44 



4-8 



49 



4-9 



51 



5-2 



April 



6 3 



6 4 



6 3 



6-5 



65 



65 



May 



8-5 



8-4 



8-3 



8-8 



8-7 



i 8-5 



June 



I 110 



108 



10 7 



in 



109 



1 10-7 



July 



126 



12'8 



127 



12-9 



13-2 



131 



August 



13 5 



13-6 



; 135 



13-6 



13 5 



13 4 



September 



12-2 



127 



12 7 



125 



13-0 



aft 



October 



10 0 



10-7 



10-8 



10-5 



111 



11-4 



November 



66 



7-6 



7-8 



7-3 



8-3 



\ 8-3 



December 



5 6 



6-2 ' 



6-3 



5 8 



63 



6-5 



Mean 



8-2 



8-6 



8-6 



8-5 



8-9 



8 9 



