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=a=_=~.a_====._===~===~~.==.~=..=_====_=====_===c..a==s=.~=_==_._==._...===-._====--====-=..-=-=-=.==.==========_==_.__===s==__.== UPPER RIO GRANDE BASIN Streamflow Forecasts - May 1, 2005 Forecast Point _=_..==___...=....==.__......_-___a.===.=-===_......_===_._=._a.._==...===___._===~=.===-_=_=-=_===__=======___==_=__=____=c__==.. I <<~~=~== Drier ==~==~ Future Conditions Forecast I ~~=~===~===~=~====~= Chance Of Exceeding * period I 90% 70% I 50% (1000AF) (1000AF) (1000AF) (% AVG.) ;i~=~;:~~;=:~=;~i;~;~~ii:=;;i~~:=====~;;:;;;===~~==~~;=======~;;=~==I===~=~;~~=====a=~~;==~= Rio Grande Reservoir Inflow APR-JUL Rio Grande at Wagon Wheel Gap APR-SEP South Fork Rio Grande at South Fork APR-SEP Rio 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 Creek APR-SEP Sangre de Cristo Creek APR-SEP Ute Creek APR-SEP Platoro Reservoir Inflow APR-JUL APR-SEP Conejos River nr Mogote APR-SEP San Antonio River at Ortiz APR-SEP Los pinos River nr Ortiz APR-SEP CUlebra Creek at San Luis APR-SEP Costilla Reservoir inflow MAR-JUL Costilla Creek nr Costilla MAR-JUL 143 410 178 655 10.00 16.0 10.80 16.1 18.7 15.6 460 25 85 11.70 18.4 13.60 17.9 71 80 225 84 25 17.0 38 160 195 725 30 95 79 87 250 22 93 32 42 Wetter ==c:;;=>> 30% (1000AF) ==....=_=*_=x~~a=~_=== 10% (1000AF) 30-Yr Avg. ( 1000AF) 175 148 188 =m.========~.===~_=======__===_=_==== 210 118 215 500 145 540 240 136 205 155 220 605 345 785 148 845 240 132 35 106 40 935 531 100 143 109 49 33 13.00 149 14.40 119 70 19.4 162 16.80 8.70 15.60 177 17.70 20 22 12.0 19.9 163 20.70 8.80 84 93 131 131 22 24 12.2 270 135 290 90 99 99 108 64 71 23 140 325 200 101 137 109 26 30 16.4 38 165 121 74 18.0 170 19.0 44 54 23 44 169 20 10.6 ___..__.....__........__...___....:=..___=.........___._____a.____.._.._.____...__=________...=_=__=__=_=___=-.-.-==-.-==--------= 46 50 26 UPPER RIO GRANDE BASIN Reservoir Storage (1000 AP) - End of April UPPER RIO GRANDE BASIN watershed Snowpack Analysis - May 1. 2005 Reservoir Usable I Capaci ty =..==-=====..._-=._...._--=..==_._===-=-=====-==_._-=-..-=..----=-.-.-----...-------=.---==-.-=-=----==------=-===------_.=------- Average *** Usable Storage *** This Last Year Year Avg Watershed Number of Data Sites This Year as % of Last Yr PLATORO 53.7 .___a__.____._..-__.__-...=-_.=__=._.___..==-___.....=...__=._____=..___ =__==_=___===.._==__==_======______=_____===._==_______a- 128 128 CONTINENTAL 15.0 RIO GRANDE 51.0 SANCHEZ 103.0 SANTA MARIA 45.0 TERRACE 13.1 --.---.-.----..--.-....----.-------.-..--=-...--....-._.-=._..=--_.-._~-_..=._--~.._.-=._._=_..-==.======q==---==---=---_.=---=_.- 5.8 4.5 18.8 12.4 5.2 5.8 5.6 14.4 15,7 4.0 6.6 6.6 6,6 ALAMOSA CREEK BASIN 2 121 120 23.3 CONEJOS & RIO SAN ANTONIO 4 142 189 21.4 CULEBRA & TRINCHERA CREEK 5 140 134 25.8 UPPER RIO GRANDE BASIN 12 136 139 11.1 TOTAL UPPER RIO GRANDE BA 23 * 90%. 70%. 50%, 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. 7.8 (1) _ 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.