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6/21/96 ... 9:38 AM
<br />Camp Dresser £> McKee Inc.
<br />FIGURE 3.15
<br />Comparison of USFWS Recommended Mean Monthly Flows to Adjusted Historical (Existing)
<br />and Projected Future Mean Monthly Flows on the Colorado River at the Top of the 15-Mile Reach
<br />Over the 1975-1993 Simulation Period (see last page for explanation of curves)
<br />Flow Frequency Curves for November
<br />1 oo°i
<br />p f-FWS Rec.
<br />80% -Existing
<br />H ---Future
<br />u 60%
<br />IL
<br />E 40%
<br />F
<br />c 20%
<br />a
<br />0%
<br />1,000 1,500 2,000 2,500 3,000 3,500
<br />Q, Colorado River Flow at Top of 15-Mile Reach (cfs)
<br />100°~
<br />O
<br />j~ 80%
<br />0 60%
<br />u.
<br />E 40%
<br />F
<br />0 20
<br />0%
<br />curves for uecemaer
<br />-~ FWS Rec.
<br />~~ Existing
<br />~--w--Future
<br />Flow Frequency Curves for January
<br />1 oo°i
<br />Q -4+-FWS Rec.
<br />80% Existing
<br />N
<br />.0 800/ Future
<br />LL
<br />E 40°!
<br />p 20%
<br />0°~
<br />1,000 1,200 1,400 1,600 1,600 2,000 2,200 2,400 2,600
<br />D, Colorado River Flow at Top of 15-Mlle Reach (cfs)
<br />Flow Frequency Curves for March
<br />1 oo°i°
<br />p FWS Rec.
<br />80% Existing
<br />m
<br />.0 60°/ ° Future
<br />LL
<br />~ 40%
<br />F=
<br />0 20
<br />0
<br />0°~
<br />500 1,000 1,500 2,000 2,500 3,000 3,500
<br />O, Colorado River Fbw at Top of 15-Mile Reach (cis)
<br />1,000 1,500 2,000 2,500 3,000
<br />D, Colorado River Flow at Top of 15-Mile Reach (cfs)
<br />Flow Frequency Curves for February
<br />100%
<br />O -FWS Rec.
<br />80% -Existing
<br />e
<br />c 60% Future
<br />LL
<br />E 40%
<br />0 20%
<br />0
<br />0%
<br />1,000 1,200 1,400 1,600 1,800 2,000 2,200 2,400 2,600 2,800
<br />Q, Colorado River Flow at Top of 15-Mile Reach (cfs)
<br />Flow Frequency Curves for April
<br />1 oo°i
<br />a tFWS Rec.
<br />ri 80% ~ExiSting
<br />w
<br />c 60% -°-Future
<br />E 40%
<br />H
<br />`0 20%
<br />0
<br />0°~
<br />0 1,000 2,000 3,000 4,000 5,000 6,000 7,000
<br />D, Colorado River Flow at Top of 15-Mile Reach (ch:)
<br />FWS-REC.XLS ... Curves
<br />
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