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Last modified
11/23/2009 10:50:51 AM
Creation date
10/4/2006 9:15:44 PM
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Template:
Floodplain Documents
County
Statewide
Community
State of Colorado
Title
Users Manual for Program PEAKFQ, Annual Flood Frequency Analysis Using Bulletin 17B Guidelines
Date
1/30/1998
Prepared By
USGS
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />Station - 01614000 BACK CREEK NEAR JONES SPRINGS,W.VA. <br />1997 JAN 7 15:55:09 <br /> <br />ANNUAL FREQUENCY CURVE PARAMETERS <br /> <br />LOG-PEARSON TYPE III <br /> <br />FLOOD BASE <br /> <br />LOGARITHMIC <br /> <br />EXCEEDANCE <br />DISCHARGE PROBABILITY <br /> <br />MEAN <br /> <br />STANDARD <br />DEVIATION <br /> <br />SKEW <br /> <br />SYSTEMATIC RECORD <br />BULL.17B ESTIMATE <br /> <br />0.0 <br />945.8 <br /> <br />1.0000 <br />0.9737 <br /> <br />3.7220 <br />3.7407 <br /> <br />0.2804 <br />0.2328 <br /> <br />-0.731 <br />0.565 <br /> <br />ANNUAL FREQUENCY CURVE - - DISCHARGES AT SELECTED EXCEEDANCE PROBABILITIES <br />ANNUAL 'EXPECTED 95-PCT CONFIDENCE LIMITS <br />EXCEEDANCE BULL.17B SYSTEMATIC PROBABILITY' FOR BULL. 17B ESTIMATES <br />PROBABILITY ESTIMATE RECORD ESTIMATE LOWER UPPER <br />0.9950 646.2 <br />0.9900 840.0 <br />0.9500 2504.0 1622.0 2445.0 1962.0 3009.0 <br />0.9000 2884.0 2228.0 2838.0 2317.0 3417.0 <br />0.8000 3477.0 3172.0 3446.0 2877.0 4058.0 <br />0.5000 5235.0 5700.0 5235.0 4514.0 6047.0 <br />0.2000 8464.0 9168.0 8577.0 7266.0 10190.0 <br />0.1000 11210.0 11280.0 11530.0 9402 . 0 14110.0 <br />0.0400 15480.0 13670.0 16340.0 12520.0 20720.0 <br />0.0200 19330.0 15250.0 20920.0 15190.0 27060.0 <br />0.0100 23800.0 16670.0 26560.0 18180.0 34830.0 <br />0.0050 29020.0 17960.0 33560.0 21550.0 44340.0 <br />0.0020 37250.0 19460.0 45480.0 26680.0 60160.0 <br /> <br />PEAKFQ <br /> <br />28 <br /> <br />DRAFT - 1/30/98 <br />
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