of the Fishery Board for Scotland. 425 



Table — Comparing Mean Monthly Temperatures of Surface Water 

 at 9 a.m. at Rothesay and the undernoted Stations. 



Date. 



Ardrishaig. 



Brodick. 



Stranraer. 



Oxcar. 



Bell Rock. 



Stornoway. 



o 

 V 



o 

 gffl 

 o 







1890. 

















January 









+ 0*9 



+ 0'6 







February 



+ 0-4 







+ 1-0 



+ 0-3 





+ 1-5 



March . 



-o-i 







+ 1-1 



+ 1-7 







April . 



-0'6 



-0*5 





+ 0-3 



+ 1*1 



+ 0*2 





May 



- 0"2 



- 1*3 





-07 



+ 0'5 



-X'O 





September . 



+ 0-5 









+ 0*3 





-0-2 



October 



+ 1-0 



+ 0-6 





+ 3-8 



+ 0-4 





+ 2'3 



November 



+ 1-1 



+ 0-5 





+ 3-1 



+ 07 





+ 0-9 



December 



+ 2-1 



+ 0-6 







+ 1-0 





+ 3 '5 



1891. 

















January 



+ 2-4 



+ 1-0 



+ 3-5 



+ 3'6 



+ 2-2 





+ 3*6 



February 



-11 



-0-8 



-0-4 





+ 0*5 







March . 



-o-i 





+ 0-8 



+ 1-3 



+ i-o 





+ 0-3 



April 



-o-i 



+ 0-2 



+ 0-6 



fi-i 







+ 0'2 



May 



-1-1 



-1-4 



-2-3 



-0-6 





-i-4 





September . 





-0-3 



-0-9 



-0-6 



-0-2 





+ 0'1 



October 



+ 0-9 % 



+ 0-3 



+ ro 



+ 0-5 



+ 0-2 





+ 2-1 



November 



+ 1 -6 1 



+ 0-8 



+ 3-1 



+ 2-4 



+ 1-3 







December 



-07 



-1-1 



+ T9 



+ T7 



+ 0'6 





+ 1-0 



1892. 

















March . 



+ 0-1 



-0-4 



+ 1-5 



+ T9 



+ 1-0 







April . 



-1-0 



-0-3 



-1-2 



+ 1-2 



+ 1-3 







June 



+ 0-4 



+ 0-5 



-1-7 



+ 1-0 



+ 2'5 



+ 2*2 





September . 



-0*5 



-0-2 



-0-4 



+ 0-6 



+ 0-1 







October 



+ 1-1 



+ 07 



+ 3-1 



+ T6 



+ 0-5 





+ 1-3 



November 



+ 1-0 



+ 0-6 



+ 2-4 



+ 2-2 



+ 1-5 







December 



-o-i 



-0-3 



+ 2'8 



+ 17 



+ 0-9 





+ 1-0 



+ means that the temperature at Rothesay was higher than that at other Stations. 

 - that it was lower. 



From February to May in each year Rothesay Bay was colder by half 

 a degree or more than Ardrishaig or Brodick. In September it was about 

 the same temperature, and from October to January it was, speaking 

 generally, considerably warmer, usually by a degree or more. With one 

 or two very small exceptions the water at Rothesay was warmer during 

 the whole time of observation than that on the East Coast. From 

 November to January it averaged about 2°*5 warmer at Rothesay than at 

 Oxcar, and 1°*5 warmer than at the Bell Rock. The difference was least 

 at the time of the annual maximum in September, showing that the West 

 Coast differs by being warmer in winter (rather than in summer) than the 

 East Coast. 



Fairlie Roods. — The anchorage was in from 7 to 12 fathoms, and the 

 observations should be of use as indicating the temperature of the eastern 

 side of the Arran Basin, which is much shallower and more exposed to 



