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<br />====a:c===c==========c==========================cccaa======c======cc=======cec==============c=====:===============================
<br />SOUTH PLATTE RIVER BASIN
<br />Streemflow Forecaats - March 1, 1999
<br />
<br />=c=:==:c:a==:::a=_a==:==================ccac:ec==_c:_=acc:ac==cac===CCCDce==caa=c=cac=============================================
<br />
<br />forecast Po;nt
<br />
<br />I <<_.a=== Drier -===== future Cond;t;ons c====== Wetter ====a>>
<br />Forecast I cc.ac==_=====.====== Chance Of Exceed;ng * a:c=a====e============ I
<br />Period I 90X 70X SOX (Moot Probable) 30X lOX
<br />(1000AF) (1000AF) (1000AF) (X AVG.) (1000AF) (1000AF)
<br />
<br />30-Yr Avg.
<br />(1000AF)
<br />
<br />==========:=====a:================================:===========:===== =====e===:============= =====================================
<br />
<br />Antero Reservoir Inflow APR-JUL 4.1 5.9 7,5 64 9,6 13.B 11.7
<br />Spinney Mountain Reservo;r inflow APR' JUL 16.4 22 27 71 33 45 38
<br />Elevenm;le Canyon Reservo;r inflow APR.JUL 11.9 20 26 68 32 40 38
<br />Cheesmsn Lake Inflow APR-JUL 41 52 60 71 70 88 84
<br />South Platte River at South Platte APR.SEP 83 130 163 n 196 243 213
<br />Bear Creek at Morr;son APR-SEP 13.5 20 25 83 30 37 30
<br />Clear Creek at Golden APR'SEP 63 88 105 82 122 147 128
<br />St. Ynln Creek at Lyons APR'SEP 41 55 65 83 75 90 78
<br />Boulder Creek at Orodell APR.SEP 25 34 40 n 46 55 52
<br />South Boulder Creek nr Eldorodo Sprl APR .SEP 15.8 28 37 82 46 58 45
<br />Big ThOllflSon River at Canyon Mouth APR.SEP 75 92 103 90 114 131 115
<br />Cache La Poudre at Canyon Mouth APR,SEP 143 208 252 89 296 361 284
<br />
<br />===========================================:===========e==c========c=====e===.cc=c=c=================:============================
<br />
<br />SOUTH PLATTE RIVER BASIN
<br />Reservoir Storage (1000 Af) - End of February
<br />
<br />SOUTH PLATTE RIVER BASIN
<br />Watershed Snowpack Analysis - March 1, 1999
<br />
<br />======c=====cacc=c==cc========a======cc=c==c=cecc..acc===cae:=======.===:=:==...c:=a============:c==========c===c=================
<br />
<br />=====e=.=c====aaaa.e=c============================_ae=================:c c==cc=:===::==c==========:===============================
<br />
<br />Usable I *** Usable Storage ***
<br />Capac;ty This Last
<br />Year Year AVV
<br />
<br />Watershed
<br />
<br />Number This Year as 1 of
<br />of c==ccc==c========
<br />Data Sites Last Yr Average
<br />
<br />Reservol r
<br />
<br />AIITERO 20,0 20.0 6.5 15.0 BIG THOMPSON BASIN 6 126 97
<br />BARR LAKE 32,0 26.4 27.6 24.2 BOULOER CREEK BASIN 5 n 76
<br />BLACK HOLLOII 8.0 2,5 3.0 4.0 CACHE LA POUlRE BAS IN 8 107 94
<br />BOYD LAKE 49.0 38.6 44.4 33.8 CLEAR CREEK BASIN 4 82 81
<br />CACHE LA POUlRE 10,0 9.5 9.0 7.6 SAINT VRAIN BASIN 3 92 71
<br />CARTER 108.9 63.6 108.2 90.8 UPPER SOUTH PLATTE BASIN 11 80 87
<br />CHAMBERS LAKE 9.0 5.0 5.5 3.2
<br />CHEESMAN 79.0 47.6 65.4 55.5
<br />COBB LAKE 34,0 15.0 19.0 13.9
<br />ELEVEN MILE 97,8 99.7 99.2 91.0
<br />EMPIRE 38,0 24.5 32.6 26,3
<br />FOSSIL CREEK 12.0 8.5 9.0 7.2
<br />GROSS 41.8 27.4 37,7 25,7
<br />HALLIGAN 6,4 6.0 5,0 4,5
<br />HORSE CREEK 16,0 13.9 12,5 13,2
<br />HORSETOOTH 149,7 78,2 143.6 100,7
<br />JACKSOII 35.0 19.7 19.1 30.5
<br />JULESBURG 28.0 16.1 15.7 20.1
<br />LAKE LOVELANO 14.0 11.3 0.0 8.8
<br />LONE TREE 9.0 8.5 6,7 6.2
<br />_IAIIO 6.0 5.3 4.2 4.6
<br />_SHALL 10.0 6.7 8,1 4.5
<br />_STON 13.0 10.9 3,5 6.9
<br />MILTON 24,0 18.7 17,4 14,8
<br />POINT OF ROCKS 70,0 65,3 66.3 62.5
<br />PREWITT 33,0 22,3 21.1 19.5
<br />RIVERSIDE 63.1 44.1 44,7 47.6
<br />SPINNEY MOUNTAIN 48.7 27,3 47,6 33.3
<br />STAIIOLEY 42,0 37.7 38,8 26,6
<br />TERRY LAKE 8,0 5.5 5,5 5,2
<br />UNION 13,0 11.2 11.2 10.6
<br />WINOSOR 19,0 12.5 12,5 11.0
<br />
<br />==================================================================================================================================
<br />
<br />.90%, 7DI, 301, and 101 chances of exceeding are the probab;l;ties that the actual volume will exceed the volumes ;n the table.
<br />The average fa conp.rted for the 1961-1990 base pedod.
<br />(1) - The valuea Uated under the 101 and 901 Chance of Exceeding are actually 5X and 951 exceedance levels.
<br />(2) - The value i. natural volume - actual volume m8Y be .ffected by upstream water management.
<br />
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