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-_ - ` <br />----___-- <br />-- ---- <br />---- -- <br />?SOUTH PLATTE RNER BASIN <br />Streamflow Forecasta - March 1, 2003 <br />--------- - ------------- ----------------- <br />I<c-----=== Drier =____= Future Conditiona =_____= Wetter =_---» ? <br />Forecast Point Forecast ? ' <br /> Period ? 904; 708 <br /> ? (1000AF) (1000AF) <br />----°-°-------?----?----------°---- <br />Antero Reservoir inflow °------°--?- <br />APR-JLIL -°°------- <br />2.4 --------- <br />3.5 <br />Spinney Mountain Reservoir inflow 'APR-JUL 15.2 20 <br />Elevenmile Canyon Reservoir inflow APR-JUL 9.9 18.3 <br />Cheesman Lake inflow APR-JUL 38 47 <br />South Platte River at South Platte APR-SEP 75 122 <br />Bear Creek at Morrison APR-SEP 10.5 17.3 <br />Clear Creek at Golden APR-SEP 48 73 <br />St. Vrain Creek at Lyons APR-SEP 33 48 <br />Boulder Creek rir Orodell APR-SEP . 25 34, <br />Sbtith Bbuldei Creek nr Eldorado Spri APR-SEP 13.0 25 <br />Hig Thbmpaon River at mouth nr Drake APR-SEP 57 74 <br />Cacfie La Poudre at Canyon Mouth APR-SEP 106 159 <br />: Chance Of Exceeding * __ ____________ ________ I <br />50t (Most Probable) ? 308 106 ? 30-Yr Avg. <br />(1000AF) (% AVG.) ? (1000AF) (1000AF) ? (1000AF) <br />4.5 35 ? 5.8 8.3 13.0 <br />25 63 ? 31 41 40 <br />24 59 ? 30 38 41 <br />55 62 ? 64 80 89 <br />155 67 ? 188 233 230 <br />22 71 ? 27 34 31 <br />90 67 ? 107 132 134 <br />56 69 ? 68 83 84 <br />40 76 ? 46 55 53 <br />34 74 ? 43 55 46 <br />85 73 ? 96 113 117 <br />195 71 ? 230 285 275 <br />SOU1'E PLATTE RIVER BASIN ? SOUTH PLATTE RIVER BASIN <br />Reservoir Storage (1000 AF) - End of February ? Watershed Snowpack Analysis - March 1, 2003 <br />Usable *** Usable Storage*** Number This Year as % oE <br />Reservoir Capacityl This Last ? Watershed of <br />? Year Year AVg ? Data Sites Last Yr Average <br />ANTERO 20.0 0.0 20.0 16.3 <br />BARR I+AKE 32.0 13.8 25.0 26.0 <br />BLACIC HOLLOW 8.0 2.1 2.8 3.9 <br />BOYD LAKE 49.0 6.0 20.4 32.4 <br />CACHS LA POUDRE 10.0 2.6 3.6 7.6 <br />CART$R 108.9 101.2 93.5 93.4 <br />CHAMBERS LAKE 9.0 2.0 3.8 3.1 <br />CFIEESFtAFI' 79.0 46.2 58.0 59.0 <br />COBB LARE 34.0 2.5 6.8 13.9 <br />ELEVSN MILE 97.8 44.5 99.4 95.8 <br />EMPIRB 38.0 24.0 30.1 25.6 <br />FOSSIL CREER 12.0 6.0 8.6 7.4 <br />GROSS 41.8 15.9 22.9 25.3 <br />HALLZGAN 6.4 2.8 4.7 4.8 <br />HORSECREEK 16.0 1.1 12.5 12.5 <br />HORSETOOTH 149.7 20.4 19.3 104.2 <br />JACRSON 35.0 23.5 20.5 27.3 <br />JiTLESBiTRG 2 8. 0 16 . 9 14.6 18.9 <br />LAKE LOVELAND 14.9 8.1 10.2 8.8 <br />LONE TREE 9.0 6.6 8.4 6.7 <br />MARIANO 6.0 0.5. 2.3 4.3 <br />MARSHALL 10.0 3.5 4.8 5.4 <br />MARSTON 13.0 13.4 9.0 12.9 <br />MILTON 24.0 3.0 19.3 17.1 <br />POINT OF ROCKS 70.0 25.0 52.8 65.4 <br />PREWITT 33.0 5.1 20.2 21.0 <br />RIVERSIDE 63.1 30.6 47.1 48.9 <br />SPIN27EY MOUfITAIN 48.7 13.2 22.1 32.2 <br />STANDLE3t 42.0 20.7 32.1 33.6 <br />TERRY LAICE . 8.0 1 <br />4 5.1 5.3 <br />UNION 13:0 ` <br />6.0 9.5 11.0 <br />WINDSOR 19.0 0.4 5.5 11.5 <br />90%, 70%, 30%, and 103 chances of exceeding pare the probabili ties thal <br />The average is computed for the 1971-2000 base period. <br />(1) - The values listed under the 109r and 90k Chance of Exceeding are ai <br />(2) - The value is n.atural volume - actual volume may be affected by upsi <br />BIG THOMPSON BASIN 6 143 81 <br />BOULDER CREEK BASIN 5 165 82 <br />CACHE LA POUDRE BASIN 8 132 80 <br />CLEAR CREEK BASIN 9 158 96 <br />SAINT VRAIN BASIN 4 133 70 <br />I UPPER SOUTH PLATTE BASZN 15 173 74 <br />TOTAL SOUTH PLATTE BASIN <br />i <br />I 41 151 79 <br />-----'---------------°---------?-------__'--___ <br />; the actual volume will exceed the volumes in °--_______= <br />the table. <br />.tually 5% and 95%- exceedance levels. <br />:ream water management.