50-\ 

 

 600\ 



500 



400- 



300- 



200- 



I00\ 



1942 



1944 



^aoo- 



a 



.Ok 



^ 700- 

 2 600^ 



•» 



§■ 500-\ 



o 



% 



400 



5 300-{ 



5 

 ^ 



200- 



100- 



1945 



50- 



1946 



rr tz 27 

 Jun¥ 



I I i I I 



7 IZ 17 MZ ZT 



n- 



» I — I — r— ? — I I I I — r 

 /0 M J* jf ^10 ts zo as 30 



•^ — r— I — r—i — i— r 



S /O /S 20 2S ■so 4 



* f4 



II 



July August Stpftmber October Nov. 



Figure 5* Numbers of adult Mug salmon passing through the Lewiston ^ 

 weir In 1942, 1944, 1945 and 1946, Trinity River. * 



