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6/21/96 ... 9:38 AM Camp Dresser £~ McKee Inc. FIGURE 3.15 (continued) Comparison of USFWS Recommended Mean Monthly Flows to Adjusted Historical-(Existing) and Projected Future Mean Monthly Flows on the Colorado River at the Top of the 15-Mile Reach Over the 1975-1993 Simulation Period (see last page for explanation of curves) Flow Frequency Curves for May 1 oo°i p tFWS Rec. ri 80% -Existing a 60% -----Future C LL 0 E 4 i= 0 20% 0 0% 0 5,000 10,000 15,000 20,000 Q, Colorado River Flow at Top of 15-Mile Reach (cfs) Flow Frequency Curves for July 1 oo°i O tFWS Rec. n 80% Existing N c 6G% ---~- Future LL E 40% r 0 20% ~E 0% 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 16,000 O, Colorado River Flow at Top of 15-Mile Reach (cfs) Flow Frequency Curves for September 100% Q -+-FWS Rec. n 80% a ~ Existing 0 60% --`Future LL E 40% -= 0 20 e 0% 0 500 1,000 1,500 2,000 2,500 3,000 3,500 4,000 Q, Colorado River Flow at Top of 15-Mile Reach (cfs) Fiow Frequency Curves for June 100% p -~-FWS Rec. 80% -Existing m .0 60°/ -------Future LL E 40% F `0 20% 0% 0 5,000 10,000 15,000 20,000 25,000 ~, Colorado River Flow at Top of 15-Mile Reach (cfs) Flow Frequency Curves for August 100 D tFWS Rec. 80% --Existing fA .0 60% --'-~- Future ~ 40% H `0 20% 0% 0 2,000 4,000 6,000 8,000 10,000 12,000 14,000 Q, Colorado River Flow et Top of 15-Mile Reach (cfs) Flow Frequency Curves for October 100% O -i-FWS Rec. n 80°~ ~~Existing w c 60°/ -°~Future LL E 40% 0 20% b° 0% 0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 D, Colorado River Flow at Top of 15-Mile Reach (cfs) FWS-REC.XLS ... Curves