;4j^jicvidix S 



TONGUE RIVER WATER TEMPERATURES 



In general, temperatures increased with progression downstream. Temper- 

 atures greater than 21°C (70°F) were common in the lower river; in the mid- 

 reach, these temperatures were near the maximum. Immediately downstream from 

 the dam, maximum temperatures were 22°C (720F). 



FIGURES 



Page 



B-1 Monthly mean of daily minimum and maximum water 

 temperatures for 1974, 1975, and 1976 for the 

 Tongue River at station la 154 



B-2 Monthly mean of daily minimum and maximum water 

 temperatures for 1975 and 1976 for the Tongue 

 River at station Ilia 155 



B-3 Monthly mean of daily minimum and maximum water 

 temperatures for 1976 for the Tongue River at 

 station Vc 156 



153 



