Laserfiche WebLink
ARKANSAS RIVER BASIN <br />Streamflow Forecasts - April 1, 2003 <br />1 <br />Drier =____= <br />Future Conditions = _____= Wetter <br />Forecast Point <br />Forecast <br />___________________= <br />Chance Of Exceeding * ---- - - - - -- -- -- - <br />--------------- - - <br />- - -__ <br />- -- <br />Period <br />90% <br />70% <br />50% (Most Probable) <br />30% <br />10% <br />30 -Yr Avg. <br />(1000AF) <br />(1000AF) <br />(1000AF) (% AVG.) <br />(1000AF) (1000AF) <br />(1000AF) <br />Chalk Creek nr Nathrop - <br />APR -SEP <br />12.1 <br />20 <br />25 93 <br />30 <br />38 <br />27 <br />Arkansas River at Salida <br />APR -SEP <br />177 <br />230 <br />270 87 <br />310 <br />365 <br />310 <br />Grape Creek nr Westcliffe <br />APR -SEP <br />6.S <br />11.2 <br />18.0 92 <br />25 <br />35 <br />. <br />19.6 <br />Pueblo Reservoir Inflow <br />APR -SEP, <br />235 <br />315 <br />365 85 <br />C <br />415 <br />495 <br />430. <br />Huerfano River nr Redwing <br />APR -SEP <br />7.4 <br />11.8 <br />i 14.8 96 i <br />17.9 <br />22 <br />15.5 <br />Cucharas River nr La Veta <br />APR -SEP <br />4.8 <br />9.0 <br />11.8 91 <br />14.6 <br />18.8 <br />13.0 <br />Trinidad Lake Inflow <br />APR -SEP <br />12.0 <br />30 <br />i <br />42 96 i <br />54 <br />72 <br />44 <br />ARKANSAS RIVER BASIN <br />- <br />ARKANSAS RIVER BASIN <br />-- --- --- - -- -- <br />Reservoir Storage (1000 <br />AF) - End <br />of March <br />Watershed Snowpack Analysis <br />- April <br />1, 2003. <br />Usable <br />* ** Usable Storage <br />* ** <br />Number <br />This <br />Year as % of <br />Reservoir <br />Capacity <br />This <br />Last <br />Watershed of <br />Year <br />Year <br />Avg <br />Data Sites <br />Last <br />Yr Average <br />ADOBE <br />70.0 <br />0.0 <br />31.2 <br />.37.0 <br />UPPER ARKANSAS BASIN 3 <br />155 <br />93 <br />CLEAR CREEK <br />11.0 <br />7.0 <br />6.5 <br />6.7 <br />CUCHARAS & HUERFANO RIVER 4 <br />272 <br />103 <br />GREAT PLAINS <br />150.0 <br />2.8 <br />22.8 <br />41.9 <br />PURGATOIRE RIVER BASIN 2 <br />391 <br />110 <br />HOLBROOK <br />7.0 <br />2.9 <br />6.1 <br />4.9 <br />TOTAL ARKANSAS RIVER BASI 8 <br />209 <br />100 <br />HORSE CREEK <br />28.0 <br />0.0 <br />0.0 <br />12.6 <br />JOHN MARTIN <br />335.7 <br />43.7 <br />91.3 <br />137.3 <br />4 <br />LAKE HENRY <br />8.0 <br />6.5 <br />6.3 <br />6.7 <br />MEREDITH <br />42.0 <br />17.7 <br />24.7 <br />19.0 <br />PUEBLO <br />236.7 <br />111.4 <br />143.6 <br />173.3 <br />TRINIDAD <br />12.3 <br />17.5 <br />18.2 <br />27.5 <br />TURQUOISE <br />126.6 <br />32.3 <br />53.9 <br />74.0 <br />TWIN LAKES <br />86.0 <br />28.3 <br />45.2 <br />42.5 <br />* 90 %, 70%, 30%, and 10% chances <br />of exceeding <br />are the probabilities that the actual volume will exceed the volumes in the table. <br />The average is computed for the 1971 -2000 base <br />period. <br />(1) - The values listed under the <br />10% and 90% Chance of Exceeding <br />are actually 5% and 95% exceedance levels. <br />(2) - The value is natural volume <br />- actual volume <br />may be <br />affected <br />by upstream water management. <br />