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<br />===~~~~======~=================~=====~===========~===================~=========~========================================~========= <br /> <br />YAHPA, WHITE, AND NORTH PLATTE RIVER BASINS <br />Streamflow Forecasts - April 1, 2000 <br /> <br />~<==~=== Drler ====== <br /> <br />~=======================~===================~=============:======================================================================= <br /> <br />Wetter =====>> I <br />I <br />==================== Chance Of Exceeding =~==================== I <br />90\ 70% 50\ (Most Probable) I 30\ 10\ I 30-Yr Avg. <br />I {lOOOAP} (1000M) I (lOOOM) 1\ AVG.) I (lOOOM) (lOOOAF) I (lOOOAF) <br />====================================================================1=======================1===================================== <br />North Platte River nr Northgate APR-SEP 184 242 I 282 104 I 322 380 271 <br />1 I <br />I 104 77 I <br />1 1 <br />1 32 "I <br />1 I <br />I 300 110 I <br />1 1 <br />I 295 98 I <br />I <br />1 <br />1 <br />1 <br />I <br />I <br />I <br />1 <br />1 <br />I <br />I <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br /> <br />Forecast Point <br /> <br />Forecast <br />Period <br /> <br />Laramie River nr Woods <br /> <br />APR - SEP <br /> <br />41 <br /> <br />Yampa R abv Stagecoach Res <br /> <br />APR-JUL <br /> <br />22 <br /> <br />Yampa River at Steamboat Sprlngs <br /> <br />APR-JUL <br /> <br />233 <br /> <br />273 <br /> <br />Elk River nr Milner <br /> <br />APR-JUL <br /> <br />'" <br /> <br />252 <br /> <br />Elkhead Creek nr Elkhead <br /> <br />APR-JUL <br /> <br />17.3 <br /> <br />ELKHEAD CREEK blw Maynard Gulch <br /> <br />35 <br /> <br />APR JUL <br /> <br />Fortification Ck nr Fortification <br /> <br />2.95 <br /> <br />5.42 <br /> <br />r<AR JUN <br /> <br />Yampa River nr Maybell <br /> <br />APR-JUL <br /> <br />682 <br /> <br />86J <br /> <br />Little Snake Rlver nr Slater <br /> <br />APR-JUL <br /> <br />87 <br /> <br />110 <br /> <br />LITTLE SNAKE R nr Dixon <br /> <br />APR-JUL <br /> <br />1S5 <br /> <br />221 <br /> <br />LITTLE SNAKE R nr Lily <br /> <br />APR-JUL <br /> <br />176 <br /> <br />244 <br /> <br />White River nr Meeker <br /> <br />APR-JUL <br /> <br />166 <br /> <br />204 <br /> <br />==~==================================~=================~==============================~================~========================== <br /> <br />333 <br /> <br />279 <br /> <br />YAMPA, WHITE, AND NORTH PLATTE RIVE:R BASINS <br />Reservoir Storage (1000 AFl - End of March <br /> <br />Reservoir <br /> <br />Usable I <br />Capaci ty I <br /> <br />... Usable Storage <br />This Last <br /> <br />YAMCOLO <br /> <br />9. <br /> <br />7.8 <br /> <br />8.0 <br /> <br />78 <br /> <br />28 <br /> <br />25 <br /> <br />47 <br /> <br />Puture Conditions <br /> <br />33 <br /> <br />SS <br /> <br />7.10 <br /> <br />98S <br /> <br />128 <br /> <br />26S <br /> <br />290 <br /> <br />235 <br /> <br />8S <br /> <br />93 <br /> <br />84 <br /> <br />104 <br /> <br />83 <br /> <br />81 <br /> <br />81 <br /> <br />84 <br /> <br />130 <br /> <br />36 <br /> <br />327 <br /> <br />342 <br /> <br />43 <br /> <br />6J <br /> <br />8.78 <br /> <br />1107 <br /> <br />147 <br /> <br />309 <br /> <br />336 <br /> <br />271 <br /> <br />167 <br /> <br />135 <br /> <br />Number <br />of <br /> <br />NORTH PLATTE RIVER BASIN <br /> <br />42 <br /> <br />34 <br /> <br />367 <br /> <br />273 <br /> <br />ELK RIVER BASIN <br /> <br />TOTAL NORTH PLATTE BASIN <br /> <br />416 <br /> <br />300 <br /> <br />6J <br /> <br />39 <br /> <br />WHITE RIVER BASIN <br /> <br />TOTAL YAMPA AND WHITE RIV <br /> <br />7S <br /> <br />59 <br /> <br />11. 25 <br /> <br />8.50 <br /> <br />LITTLE SNAKE RIVER BASIN <br /> <br />1288 <br /> <br />947 <br /> <br />177 <br /> <br />lS5 <br /> <br />375 <br /> <br />329 <br /> <br />404 <br /> <br />3S8 <br /> <br />yA,MPA, WHITE, AND NORTH PLATTE RIVER BASINS <br />Watershed Snowpack Analysis - April 1, 2000 <br /> <br />This Year as % of <br /> <br />6 <br /> <br />128 <br /> <br />107 <br /> <br />I <br />1 <br />===================~=========================~=============================~======~================================~======~======= <br />1 <br />1 <br />I Year Year Avg I Data Sites Last Yr Average <br />========================================================================1========================================================= <br />STAGECOACH 33.3 21.8 28.9 25.8 I LARAMIE RIVER BASIN 4 110 88 <br />1 <br />6.6 I <br />I <br />I <br />1 <br />1 <br />I <br />I <br />1 <br />I <br />1 <br />I <br />1 <br />I <br />1 <br /> <br />Watershed <br /> <br />YAMPA RIVER BASIN <br /> <br />9 <br /> <br />120 <br /> <br />101 <br /> <br />2 <br /> <br />117 <br /> <br />93 <br /> <br />11 <br /> <br />131 <br /> <br />104 <br /> <br />S <br /> <br />114 <br /> <br />93 <br /> <br />16 <br /> <br />125 <br /> <br />101 <br /> <br />109 <br /> <br />92 <br /> <br />==================================================================================~============================~=======~=========~ <br /> <br />The average is computed for the 1961-1990 base period. <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 />(l} The values listed under the 10% and 90% Chance of Exceeding are actually 5% and 95% exceedance levels. <br />{2l The value is natural volume - actual volume may he affected by upstream water management. <br />