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<br /> <br />e <br /> <br />Attachment 1 <br />Technical Evaluations & Backup Information <br /> <br />1 <br /> <br /> <br />Station - 07103780 MONUMENT C AB N.GATE BLVD AT USAF ACADEMY, CO. <br />2002 JAN 17 13:S0:S9 <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 />0.0 <br /> <br />1. 0000 <br />1.0000 <br /> <br />2.143S <br />2.143S <br /> <br />0.4141 <br />0.4141 <br /> <br />0.894 <br />0.332 <br /> <br />ANNUAL FREQUENCY CURVE -- DISCHARGES AT SELECTED EXCEEDANCE PROBABILITIES <br /> ANNUAL 'EXPECTED 9S-PCT CONFIDENCE <br />LIMITS <br />EXCEEDANCE BULL,17B SYSTEMATIC PROBABILITY' FOR BULL. 17B <br />ESTIMATES <br />PROBABILITY ESTIMATE RECORD ESTIMATE LOWER UPPER <br />e 0.99S0 16.1 26.1 12.0 6.0 29.1 <br /> 0.9900 19.1 28.S lS.2 7.6 33.6 <br /> 0.9S00 31. 9 38.2 28.3 lS.l Sl. 4 <br /> 0.9000 42.6 46.6 39.S 22.1 66.1 <br /> 0.8000 61. 7 61. 6 59.2 35.6 91. 9 <br /> 0.5000 132.0 121.0 132.0 88.3 195.6 <br /> 0.2000 304.6 289.9 320.5 204.8 523.5 <br /> 0.1000 486.1 498.8 539.7 311. 0 957.4 <br /> 0.0400 819.5 952.3 1001. 0 484.4 1924.0 <br /> 0.0200 1163.0 1503.0 lS61. 0 646.9 3098.0 <br /> 0.0100 1609.0 2326.0 2421.0 842_2 4831.0 <br /> 0.0050 2181.0 3546.0 3751.0 1076.0 7347.0 <br /> 0.0020 3183.0 608S.0 6772.0 1457.0 12400.0 <br /> 0.6667 88,7 l,50-year flood ) <br /> 0.4292 156.1 2.33-year fl ood ) <br />1 <br /> <br />Station - 07103780 MONUMENT C AB N.GATE BLVD AT USAF ACADEMY, CO. <br />2002 JAN 17 13:50:59 <br /> <br />e <br /> <br />URS <br /> <br />T:\PROJECTS\6B44888_CWCB_FLOOD_OOC_APTS\SUB_OO\6.0_PROJ_DElII/\REPORMTTACHMENT 1 DOC\7-FEB-02\\ A 1-13 <br />