Tab 1 e 2 



--Maximum peak flews 



(a. f.s.m. ) for selected return periods for 



waversneas loesv 





of the Continental Divide in Idaho 



and Montana 





Average 



s 











annual 



: 



Return period 



(years) 







yield 



: 2.33 



: 5.0 



: 



10 



: 20 



Inches 







- C.f.s, 



, m. - -- -- -- 





c n 

 . U 



2. 6105 



3. 2904 





A 1 C Q O 



4 . i boy 



C 7 7Q 



b . z boy 





2 . 9845 



3.7810 





A 7 on c 



4 . /zyb 



C O Q /I 



b . yzo4 



"7 r\ 



3. 3984 



4. 3267 





T r" "7 ^7 



5 . 35 7 7 



a O An 



6 . 6oyy 



O A 



3. 8526 



4. 9282 





6.U433 



7 C 1 O A 



/ . bl oO 



n A 



y . (J 



4. 3465 



5. 5856 





b . 7854 



Q /I 1 1 1 



o . 41 1 1 



1 A A 



lU . (J 



4. 8791 



6 . 2975 





7 C O 1 O 



/ . boio 



A 7 A 1 



y . 366 1 



11 A 



5 . 4484 



7 . 0619 





O /I O A /I 



o . 4294 



1 A 77Q1 



lu . b/yi 



TO A 



6.0520 



7 . 8755 





A 7 O /I A 



y . 3z40 



11 /t /I C A 



il . 44b0 



17 A 



6.6866 



8 . 7343 





1 A Oi^ AA 



10 . z6oy 



10 C C 7 Q 



iZ . b b / o 



1 yl A 



7 . 3487 



9 .6336 





11 O 7 /I C 



i i . Z34b 



17 7 1 An 



ib. /iuy 



1 C A 



8. 0341 



10 . 5679 





1 O O 7 O O 



iz . z3o8 



1/1 n 7 o 

 14 . oy / Z 



1 A 



8. 3787 



11 . 5314 





17 O A 7 



13 . Z6 /6 



T z: 1 An o 



16 . loyz 



17 A 

 i / . U 



9. 4580 



12 . 5 1 80 





1/1 7 1 ^ C 



14 . 3145 



17 7 7n c 

 i / . bbyb 



1 Q A 



10 . 1875 



13. 5216 





1 C 7 7 7 A 



lb . 3 / 30 



10 C Q A O 



io . boUo 



1 Q A 



10 .9229 



14 .5361 





1 /: /I 7 "7 A 



16 . 43 /U 



in Q O C Q 



ly . oZbo 



7 A A 



11 .6600 



15 . 5554 





17 C A A C 



1 / . bOOb 



O 1 A^; 7 7 



Zi . UD / / 



1 A 



12 . 3948 



16 .5741 





1 o c tr o 1 



18 . bbol 



O O 7 AA A 



ZZ . 3UU4 



ZZ . U 



13. 1236 



17. 5867 





in A /I 7 

 ly . 604 / 



O 7 C 1 Q 1 



Zb. blol 



9 7 A 

 Zo . U 



13. 8431 



18 . 5885 





OA 7 C ^ 



zU .6356 



O /I 7 1 C 7 



Z4 . / lb / 



0/1 A 

 Z4 . U 



14 . 5503 



19. 5751 





o 1 ^ A en 

 Zi . 646 / 



O C o c 



Zb . ooob 



Zo . U 



15 . 2426 



20 .5426 





O O £^1 A C 



il . 6346 



7 A 7 C A 



Z / . ubbD 



OA A 

 ZD . U 



15 .9176 



21. 4877 





O 7 C A ^ 7 



2.6. by63 



O Q 1 /I C A 



Zo . 14b0 



07 n 



z / , u 



16 .5736 



22 . 4075 





O /I C O A 1 



Z4 . bzy 1 



on o oo^^ 



zy . zzzo 



a A 



Zo . U 



17 . 2089 



23. 2997 





or /I 7 1 7 



Zb . 4313 



7 A O A 7 A 



3U . Z636 



OQ A 



zy . u 



17. 8224 



24. 1624 





Z6 . 301 1 



7 1 O 7 



31 . Zd63 





18.4131 



24. 9941 





T "7 1 7 ^7 r" 



z7 . 1375 



7 o o o n /I 



bZ . zzy4 



71 A 



18. 9804 



25 . 7938 





O "7 C\ '7 t\Ci 



27 . 9398 



7 7 1 C O /I 



33. lbZ4 



70 A 

 jZ . U 



19.5239 



26.5609 





o o ^7 r\ "7 r 



z8 . 7075 



7/1 A 7 /I O 



34 . 0348 



7 7 n 



20 . 0434 



27. 2948 





■~\ (-\ A A f\ /' 



29. 4406 



7/1 7^7 



34 . o /6 / 



7/1 A 



20.5390 



27. 9956 





30. 1391 



35 . 6/84 



7 C A 



21 .0108 



28. 6634 





30. 8036 



•7/' /t /i A /I 



36 . 4404 



7A A 



21 .4592 



29.2985 





31 . 4345 



7 7 1 A 7 r 



3/ . 163b 



77 A 



21 . 8846 



29.9016 





32 . 0326 



7 7 ^ O 



3/ . 848b 



7Q A 

 OO . U 



22 .2876 



30 . 4734 





T 1 r r\ o o 



3z . 5988 



7 O /I A <:l 7 



38 . 4y6 / 



7Q A 



22.6689 



31 . 0146 





33 . 1 341 



7 n 1 An o 



by . loy z 



/in A 



4u . U 



23. 0291 



31 .5263 





33 . 6394 



7 n Q 7 1 



by . DO / i 



/II A 



23. 3690 



32.0094 





"7 A 1 1 r A 



34 . 1159 



A f\ O 7 1 



4u . Zb io 



/1 A 

 4Z . U 



23.6893 



32.4649 





34 . 5648 



/I A 7/1/17 



40 . / 44 / 



/I 7 A 

 4o . U 



23. 9910 



32 . 8941 





'7 A r\ O "7 "7 



34 . 9873 



/II O O 7 O 



41 . Zz /Z 



/I /I A 

 44 . U 



24.2747 



33.2979 





35 . 3845 



/II A Q A 7 



41 . DoU / 



/I C A 

 4d . U 



24.5413 



33.6776 





35 . 7575 



4Z . 1065 



/I A A 

 40 . U 



24.7917 



34.0343 





36.1077 



/I O C A A 1 



4Z . bUDl 



47.0 



25.0266 



34.3690 





36.4361 



42.8807 



48.0 



25.2469 



34.6830 





36.7440 



43.2317 



49.0 



25.4532 



34.9774 





37.0323 



43.5605 



50.0 



25.6465 



35.2530 





37.3022 



43.8681 



3 



