TAY. 



Weekly Mean Temperature of the River Tay, Upper and 

 Lower Water, and Tributaries of Lyon and Garry, 1902. 

 Tay at Grandtully ^Tay at Perth — Lyon Garry 



Jan, 



Mar. 



Apr. 



May 



, A A ^ A A ^ 





r ■■ '■ 







































1 1 





































































































































































/ 









































1 









































\ 



























































































































































































































































-— / 







































/ 





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Jan. 



High 

 and 

 Flooded. 



> ^ ' 



Feb. 



Medium 

 to 

 Low. 



> ^ 



Mar. 



Tay Medium 

 and Low. 

 Lyon High 

 and Medium. 

 Garry High 

 to Low. 



> ^ ' 



Apr. 



Tay Low 

 and Medium. 

 Lyon from 

 very Low 

 to High. 

 Garry from 

 Low to Flood. 



May 

 Very Low 

 to 



Medium, 



