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~===~==~=~==-==~=-========~=~~================~===~=~=~===========~====================~================~~~~=~~======~= UPPER RIO GRANDE BASIN Streamflow forecasts - february 1, 2000 F'orecast POlnt ==-~========~=====-===~~==-==-==============~=~==~========================================~==~~=============~==~=~================ forecast Period <<====== Drler ==~=~= future Conditions 90' (lOOOAF') 70' (lOOOAP) ~--=-==~-=~=====~==~==--==~==-==~~=~========~~~~=~================== Rio Grande at Thirty Mlle Bridge APR-SEP Rio Grande Reservoir Inflow APR-JUL Rio Grande at Wagon Wheel Gap APR-SEP South fork Rio Grande at South fork APR-SEP R10 Grande nr Del Norte APR-SEP Saguache Creek nr Saguache APR-SEP Alamosa Creek abv Terrace Reservoir APR-SEP La Jara Creek nr Capulin MAR-JUL Trinchera Water Supply APR-SEP platoro Reservolr Inflow APR-JUL APR-SEP ConeJos River nr Mogote APR SEP San Antonio River at Ortiz APR SEP Los Pinos Rlver nr Ortiz APR-SEP Culebra Creek at San LU1S APR-SEP Costilla ReserVOlr Inflow MAR-JUL Costilla Creek nr Costilla MAR-JUL --------------------------------------------------------------- --------------- ---------------- ------------------- ---------- ------------------------------------------------------- ------------------------------------------------------------------------ " 27 103 6. 14. ] 0.69 9.0 11.4 13.1 43 .1 2.10 8.0 48 45 59 .S 16.6 1.20 11.5 18.4 22 59 2.' 10. 10. 4.18 7.5 10.2 UPPER RIO GRANDE BASIN Reservoir Storage (1000 AF) End of January 60 56 98 32 116 8.8 Wetter ~=~==>> Chance Of Exceedlng 50% (Most Probable) (lOOOAF) (% AVG.) 30' (1000AF) ===============~===~=~============~== 133 118 70 S3 81 75 202 78 10% (lOOOAf) 102 94 280 23 111 426 34 S6 ]O-Yr Avg. {lOOOAfJ 330 132 520 34 69 8.60 30 S9 65 201 16.0 ~ il I Reservoir Usable I Capaci ty ---------------------------------------------------------------------- ------------------------------------------ 65 SS 39 7.18 SI 45 51 32 167 11.2 54 32 72 20 9.10 UPPER RIO GRANDE BASIN Watershed Snowpack Analysis - February 1, 2000 Watershed Nwnber of Data Sites --------------------------------------------------------- --------------------------------------- -------------- 29 25 66 20 29 ... Usable Storage This Last Year Year Avg 3.7 29. 2.7 45.6 21.0 8.5 '.0 18.7 21.1 ]6.2 8.9 6.7 CONTHlENT,II.L 15.0 ---------------------------------------------- ------------------- ---- ------------------------------------- - ------------------------------- 150 46 42 39 29. 11.91 29 --------------------------------------------------------- ----------------------------------------------------------------------------------- 5S 20S 16.0 28 47 41 " ].98 35 34 38 121 S.7 PLATORO 5].7 RIO GRANDE 51.0 10].0 45.0 13. SANCHEZ SANTA HARIA TERRACE .80 21 77 Last Yr This Year as % of 2 Average 15 12 26 30 90 44 46 45 19 77 21 33 ========~=====~==~~=~~=~~~=========================~=~==~~============~=~-:==-=========~============~=~~~~==========~=~=~========= .0 17 .0 24 . 90%. 70%, ]0%, and 10% chances of exceeding are the probabillties that the actual volume will exceed the volumes in the table. The average is computed for the 1961-1990 base period. 15.0 6.00 14.0 22 8.15 20 (1) The values listed under the 10% and 90% Chance of Exceedlng are actually 5% and 95% exceedance levels. (2) - The value is natural volume - actual volume may be affected by upstream water management. 75 66 64 5.8 16.8 ALAMOSA CREEK BASIN CONEJOS & RIO SAN ANTONIO 15.4 CULEBRA & TRINCHERA CREEK 16.9 8.7 5.6 UPPER RIO GRANDE BASIN 12 TOTAL UPPER RIO GRANDE BA 26