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~....................c.._a...==...._..........................................................._........................=.....==== UPPER RIO GRANDE BASIN Streamflow Forecasts - June 1, 2004 ......._._._................~__c..._.........__._................................................................................. I <<...... Drier ...... Future Conditions Wetter .....>> I Porecast Point Forecast I .................... Chance Of Exceeding * ......a............... Period I 90% 70% 50% (Most Probable) 30% 10% 30-Yr Avg. I (lOOOAF) (lOOOAF) I (lOOOAl") (% AVG.) I (1000Al") (1000AF) I (lOOOAF) ..=..........=...=.....DDDC.....=...=.=.............................1..................=....1.............==....c.==...........=.. Rio Grande at Thirty Mile Bridge APR-SEP 105 ll2 I ll6 85 I 121 128 136 I I Rio Grande Reservoir Inflow APR-JUL 87 94 I 99 84 I 104 ll2 ll8 I I Rio Grande at Wagon Wheel Gap APR-SEP 250 275 I 290 84 I 305 330 345 I I South Fork Rio Grande at South Fork APR-SEP 106 ll4 I 120 91 I 126 134 132 I I Rio Grande nr Del Norte APR-SEP 385 420 I 445 84 I 470 505 531 I I Saguache Creek nr Saguache APR-SEP 16.5 20 I 25 76 I 30 36 33 I I Alamosa Creek abv Terrace Reservoir APR-SEP 50 58 I 64 91 I 70 78 70 I I La Jara Creek nr Capulin MAR-JUL 4.40 6.70 I 8.30 95 I 9.90 12.20 8.70 I I Trinchera Creek APR-SEP 5.9 8.3 I 9.9 83 I ll.5 13.9 12.0 I I Sangre de Cristo Creek APR-SEP 4.34 7.29 I 9.30 106 I ll.31 14.22 8.80 Ute Creek APR-SEP 6.2 8.5 10.1 83 ll.7 14.0 12.2 Platoro Reservoir Inflow APR-JUL APR-SEP 45 51 50 57 54 61 84 86 58 65 63 71 64 71 Conejos River nr Mogota APR-SEP 137 155 167 84 177 197 200 San Antonio River at Ortiz APR-SEP 10.5 10.8 ll.O 67 13.0 16.1 16.4 LoS Pinos River nr Ortiz APR-SEP 50 56 61 82 66 72 74 Cglebra Creek at San Luis APR-SEP 14.0 19.0 23 100 27 32 23 Costilla Reservoir inflow MAR-JUL 7.1 7.6 8.6 81 9.6 ll.O 10.6 Costilla Creek nr Costilla MAR-JUL 16.9 19.0 21 81 23 27 26 ......a............................................................._............................................................. RIO GRANDE I I .................................................................................................................................. Usable I *** Usable Storage *** I NUmber This Year as % of Reservoir Capacity This Last I Watershed of ................. Year Year Avg I Data Sites Last Yr Average ==..~~.===.==..=.c=....=~~c..=............=......~....=.................1......................................................... CONTINENTAL 15.0 6.1 1.2 8.2 I ALAMOSA CREEK BASIN 1 0 0 I 24.5, I I 24.2 I I 26.9 I I ll.4 I I 8.0 I I UPPER RIO GRANDE BASIN Reservoir Storage (1000 AF) - End of May UPPER RIO GRANDE BASIN Watershed Snowpack Analysis - June 1, 2004 PLATORO 53.7 8.5 8.2 CONEJOS II RIO SAN ANTONIO 2 o o 51.0 9.4 14.4 CULEBRA II TRINCHERA CREEK 3 o o SANCHEZ 103.0 16.5 12.0 UPPER RIO GRANDE BASIN 4 214 41 SANTA MARIA 45.0 3.6 4.2 TOTAL UPPER RIO GRANDE BA 10 214 37 TERRACE 13.1 6.6 4.2 .................................................................................................................................. * 90%, 70%, 30%, and 10% chances of exceeding are the probabilities that the actual volume will exceed the volumes in the table. The average is computed for the 1971-2000 base period. (1) - The values listed under the 10% and 90% Chance of Exceeding are actually 5% and 95% exeeedance levels. (2) - The value is natural volume - actual volume may be affected by upstream water managemant.