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. . . . I. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I. . . . . . . . . . - ANNUAL PEAK FLOW FREQUENCY ANALYSI~ Following Bulletin 17.B Guidelines Program peakfq Station.09113500 Ohio Creek Near Baldwin, Co, (All Values cfs) Annual Expected 95% Confidence Umlts Exceedance Bull,17B Systematic Probability For Bull. 17B Estimates Probability Estimate Record Estimate Lower UpDer 0.9950 148 132 122 92 202 0.9900 176 162 153 115 233 0.9500 274 267 258 201 340 0.9000 341 340 329 264 411 0.8000 438 443 430 356 515 0.5000 670 684 670 573 787 0.2000 965 965 977 819 1,192 0.1000 1,142 1,118 1,166 954 1,459 0.0400 1,344 1,278 1,392 1,102 1,783 0.0200 1,479 1,377 1,549 1,198 2,011 0.0100 1,604 1,462 1,699 1.284 2,226 0.0050 1,720 1,535 1,843 1,362 2,430 0.0020 1,861 1,618 2,024 1,456 2,685 10,000 ~ .. ~ II CI ~ .. J: " .. c 1,000 1130102 gun3o_gage_peak.xls Station - 09113500 Ohio Creek Near Baldwin 1.52 Return Period (years) 10 25 50 100 5 --,- I --,---, , , t---,----- -1- _ _ I- _ _ _ _ , , -\- - - r - - - - , , III I I -,---,----- III I I I I I 1-1-1--1-_1_-1__1___1-____ III I I I I I III I I I I I II I I I I I ,__ It- r i -,- -, - :".-.- -"i"- - - - I I '...J_-;- I I '1""', I I I I " , '-'I I I '-'"1- i-j-, 1_1-1- " , ,-\-\ " , ,-,-,-, I III I I I I I 1_1_1_1--1_-1-_-1___1_____ "1 I I I I I III I I I I I III I I I I I t-r-,-rl-i-l---,----- III I I I I I III I I I I I II I t I I I I__ I I I I I I .,.. I I I I I I ......, !~~~tH~~~n- I 1/.1 I I ,_ _ _,_ _ _ __ v- ,- - -1- -, I It I I I I I I -1-1- r 1- t - 4 - - -1- - - -- 'I P I I , I ! I ~ I I I I I I I 1_1_'_L)_l__I___'__ III I I I I I II 1 I I I I I I I I I I I I I I I I I I liT I -Sull. 178 Estimate - - - 95% Confidence Limits - - - 95% Confidence Limits , I I ,__-- III _""'f"'l I _ _ I... -'- _1_ J _ ~I_ _ _ 1_ _ _ __ III I I I I I 11-1-1-1-1--1---1----- 1-1-1-1-1--1--1---1----- I-I-I-t-I--j--I---/-"---- III I I I I 1 1111-1-1--1---1---- 1...1_ I... 1 _1_ J _ _1_ _ _1_ _ _ __ 11111 I , I III I I I 1 I I- r r T -1- -j - -1- - - r - - -- II I I I I I I III I I I I I I...1_I...1_I_J__I___I_____ III I I I I I 111 I I I I I I I I I I I I I I 1 I 1 I I t 1 100 1.000 0.100 Exceedance Probability 500 TTi-I-1 1 I I TTi,-I--I--I---T----- TrT'-F'--r--r----- ~~~~-~-I-_~--~----- III I I I 1 I TTT~-r-\--r--T---- III I I I I I Ili-I-1 -I--I---j III I I I I 1 ~ ~ .). ~ - ~ -1- _ I- _ _ >- _ _ _ _ _ II I II I 1_.... I.!-I~_rl I III...!_I I I I Ili'I--I--I- , III II I I ...J ,L..1__r-..,- 1 III I I I I I III I I I I I 1II1 I I 1 I IT1~-;-I--;--T----- 1111-;-1--1--1----- IIT-I-I--I--I---'----- tt-r-j-/-"-I--/-"--r----- III II I I , Ilj-I-I--I--I---i----- 111 I I I I I TTil-I-I--I--i----- 111'1 I I I T T -r -j - r -1- - r - - r - - - -- III I I I I I III I I 1 I I III I I 1 I I 111-1-1--1--1---1----- III I I I I 1 1111 I I III j I I III I I I 0.010 0.001