E 

 a 

 ■O 



• 

 a 

 E 



_3 



O 



> 

 *l 

 3 

 C 



E 



>• 



s 

 « 

 E 



O 

 > 



Figure 3 

 Monthly Volume Ditterences Between Miles City and Dam, 1947-1988, Tongue River 



80000- 



70000 -f 



60000 



50000 



=m 



1 





S Max loss/min gam 

 g Average loss/gain 

 □ Max gain/min loss 



Negative values mean consumed and lost water 



Positive values mean gained water 



-40000 



e 



Z 



E 



a 



< 



3 

 < 



Montti 



Figure 4 



TWO SEASON VOLUME DIFFERENCES BETWEEN TONGUE RIVER DAM AND MILES CITY 

 MAY THROUGH SEPTEMBER AND OCTOBER THROUGH APRIL 



200000 

 180000 



U 



1 60000 - •■• 

 1 40000 - - 

 1 20000 - •• 



•ooooo- i ■• 



80000- 



60000 - • I - 



40000 -t^ 



20000- 

 0- 

 -20000-1 

 -40000 - • 

 ■60000- • 



80000 

 •100000- 



□ May -SeotemOer (irrigation season) 

 § Octot»r - Aoril (no or iitDe irngatran) 

 NegaDve values mean consumed ana lost water 

 PosiDve values mean gamed water 



....:... 4—-o-^ ■»4-"4»-4-- 







fM rt V »n ^o ■*■ a> 



Sao o $ 9 ^ 9 

 O^ 0k Ok O) oi oi 



Year 



15 



