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====================~=== ~================= , '================================~ UPPER RIO GRANDE BASIN (\C\~~~:~==============::::::::~:=~~~:~::::=:=~~:~:=:~=:~~:====================== \J , <=== Drier === Future Conditions === Wetter ===> I I ,~ ". I "For~~~:~a=~ ,I. ;;;=======;;;= Cha~~: ~~o~~C~~~~fgl* ;;;=======~;;= I 30 Yr Avg Period I (1000AF) (1000AF) I (1000AF) (% AVG.II (1000AF) (1000AF) I (1000AF) ================================================================================ Rio Grande at Thirty Mile Bridge APR-SEP 115 140 160 120 183 222 133 Rio Grande Reservoir Inflow APR-JUL 106 125 140 119 ' 157 184 118 Rio Grande at Wagon Wheel Gap APR-SEP 290 )56 400 121 - 444 510 3)0 South Fork Rio Grande atlSouth Fork APR-SEP 114 135 150 114 165 186 132 Rio Grande nr Del Norte APR-SEP 458 555 620 119 685 782 520 Saguache Creek nr Saguache APR-SEP 24 )) )9 115 45 54 34 Alamosa Creek abv Terrace Reservoir APR-SEP 47 58 65 94 72 8) 69 La Jara Creek nr Capulin MAR-JUL 3.65 6.30 8.10 94 9.90 12.55 8.60 Trinchera Water Supply APR-SEP 17.) 29 37 123 45 57 30 Platoro Reservoir Inflow APR-JUL 45 53 58 98 63 71 59 APR-SEP 50 58 64 99 70 78 65 Canejas'River nr Mogote APR-SEP 136 166 186 93 206 236 201 San Antonio River at Ortiz APR-SEP 6.7 9.3 11.3 71 13.5 17.1 16.0 Los Pinos River nr ortiz APR-SEP 47 58 65 90 72 8) 72 Culebra Creek at San Luis APR-SEP 11.4 19.5 25 125 31 39 20 Costilla Reservoir inflow MAR-JUL 6.41 8.84 10.50 115 12.16 14.59 9.10 Costilla Creek nr Costilla MAR-JUL 16.1 22 26 118 30 36 22 ==============~================================================================= * 90%, 70%, 30%1 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 1961-1990'base period. ~l) The values listed under the 10% and 90% Chance of Exceeding are actually 5% and 95% exceedance levels. (2) - The value is natural volume - actual volume may be affected by upstream water management. Watershed Snowpack Analysls - Aprll 1, ~OOl ================================================================================ Watershed Number of Data Sites This Year as Percent of Last Year Average ==================~============================================================= ALAMOSA CREEK BAS>N CONEJOS & R>O SAN ANTONIO SA CULESRA & TRINCHERA CREEK BA UPPER RIO GRANDE BASIN TOTAL UPPER RIO GRANDE BASIN 2 5 5 11 24 253 169 118 181 169 90 88 124 110 1M , --