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<br />================================-================================================================================================= <br /> <br />ARKANSAS RIV8R BASIN <br />Streamflow Forecasts - April 1, 2000 <br /> <br />==================-=========-=-==================================================================-================================ <br /> <br />Forecast Point <br /> <br />Forecast <br />Perlod <br /> <br />Chalk Creek nr Nathrop <br /> <br />APR-SEP <br /> <br />Arkansas River at Salida <br /> <br />APR-SEP <br /> <br />Grape Creek nr Westcliffe <br /> <br />APR-SEP <br /> <br />Pueblo Reservoir Inflow <br /> <br />APR-SEP <br /> <br />Huerfano River nr Redwing <br /> <br />APR-SEP <br /> <br />Cucharas River nr La Veta <br /> <br />APR-SEP <br /> <br />Trinidad Lake Inflow <br /> <br />APR-SEP <br /> <br />----------------------------- -------------------------------------------------------------- ------------------------ ------------ <br />---------------------------------------------------------------------------------------------------------------------------------- <br /> <br />ARKANSAS RIVER BASIN <br />Watershed Snowpack Analysis - April 1, 2000 <br /> <br /><<====== Drier ====== Future Condltions <br /> <br />90. <br />(lOOOAF) <br /> <br />11.1 <br /> <br />11.0 <br /> <br />70' <br />(lOOOAF) <br /> <br />18.8 <br /> <br />196 <br /> <br />4.1 <br /> <br />222 <br /> <br />6.6 <br /> <br />11. 0 <br /> <br />Wetter =====>> <br /> <br />249 <br /> <br />28S <br /> <br />321 <br /> <br />297 <br /> <br />==================== Chance Of Exceeding ====================== <br />50% (Most Probable} 30% 10% 30-Yr Avg. <br />I (1000AP) (iii AVG.} I (lOOOAF) {1000AP} (1000AF) <br />~~~~~~~~~~~~~~~~.~~~~~~~.....~~~~~~~~~~~~~~~~~~~~~~~~~.....~~......~ ~~~~~~~~~~~~~~~~~~~~~~~I~~~...~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <br />24 8] I 29 37 29 <br />I <br />I <br /> <br />7.0 <br /> <br />11.2 <br /> <br />374 <br /> <br />96 <br /> <br />! <br />~I <br /> <br />5.2 <br /> <br />18.8 <br /> <br />20 <br /> <br />12.0 <br /> <br />60 <br /> <br />29 <br /> <br />301 <br /> <br />409 <br /> <br />394 <br /> <br />488 <br /> <br />35S <br /> <br />90 <br /> <br />14.0 <br /> <br />17.0 <br /> <br />15.0 <br /> <br />" <br />, <br />" <br /> <br />93 <br /> <br />21 <br /> <br />14.0 <br /> <br />108 <br /> <br />13 .0 <br /> <br />16.8 <br /> <br />21 <br /> <br />29 <br /> <br />53 <br /> <br />43 <br /> <br />43 <br /> <br />95 <br /> <br />71 <br /> <br />I <br />I <br />================================================================================================================================== <br />I <br />I <br />Avg I <br /> <br />ARKANSAS RIVER BASIN <br />ReservOlr Storage {1000 AP} End of March <br /> <br />Reservoir <br /> <br />Usable I <br />Capaci ty I <br />I <br /> <br />*** Usable Storage <br />This Last <br />Year Year <br /> <br />This Year as , of <br /> <br />Watershed <br /> <br />Nwnber <br />of <br />Data Sites <br /> <br />Average <br /> <br />Last Yr <br /> <br />ADOBE <br /> <br />70.0 <br /> <br />------------------------------------------------------------------------ --------------------------------------------------------- <br />------------------------------------------------------------------------ --------------------------------------------- <br /> <br />141 <br /> <br />CLEAR CREEK <br /> <br />11.0 <br /> <br />GREAT PLAINS <br /> <br />150.0 <br /> <br />HOLBROOK <br /> <br />HORSE CREEK <br /> <br />28.0 <br /> <br />JOHN MARTIN <br /> <br />335.7 <br /> <br />LAKE HENRY <br /> <br />MEREDITH <br /> <br />42.0 <br /> <br />PUEBLO <br /> <br />236.7 <br /> <br />TRINIDAD <br /> <br />72. <br /> <br />TURQUOISE <br /> <br />126.6 <br /> <br />TWIN LAKES <br /> <br />86.0 <br /> <br />-------------------------------------------- ------------- ------------ -------------------------------------------- ---------- <br />--------------------------------- -- -------- -------------------------------------------------- ------------------------ <br /> <br />35.7 <br /> <br />69.5 <br /> <br />S.7 <br /> <br />153.8 <br /> <br />7,0 <br /> <br />6, <br /> <br />70, <br /> <br />.2 <br /> <br />107.8 <br /> <br />6. <br /> <br />25. <br /> <br />321.5 <br /> <br />8.8 <br /> <br />40.7 <br /> <br />225.7 <br /> <br />22.2 <br /> <br />63.8 <br /> <br />52.7 <br /> <br />18.0 <br /> <br />7 <br /> <br />88 <br /> <br />25.6 <br /> <br />341.8 <br /> <br />.0 <br /> <br />8.7 <br /> <br />UPPER ARKANSAS BASIN <br /> <br />117 <br /> <br />40.5 <br /> <br />274. <br /> <br />69.6 <br /> <br />95.2 <br /> <br />49.8 <br /> <br />7,0 <br /> <br />7 <br /> <br />73 <br /> <br />CUCHARAS & HUERFANO RIVER <br /> <br />41.6 <br /> <br />814 <br /> <br />108 <br /> <br />PURGATOIRE RIVER BASIN <br /> <br />4.4 <br /> <br />TOTAL ARKANSAS RIVER BASI 15 <br /> <br />134 <br /> <br />81 <br /> <br />9. <br /> <br />95.4 <br /> <br />5.8 <br /> <br />13 .2 <br /> <br />147.0 <br /> <br />29.5 <br /> <br />51.5 <br /> <br />. 90%, 70%, 30%, and 10% chances of exceeding are the probabilities that the actual volume will exceed the volumes in the table. <br /> <br />The average is computed for the 1961 1990 base period. <br /> <br />(1) The values listed under the 10% and 90% Chance of Exceeding are actually 5% and 95% exceedance levels. <br />(2) The value is natural volume - actual volume may be affected by upstream water management. <br />