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IJD1905 ,. --------------------.-.------=-------==------==-----===------------------------------------=--=--==~-=======----=-=---------..---- <<______ Drier ______ UPPER RIO GRANDE BASIN Streamflow Forecasts - June 1, 2002 Wetter .......::.> .--.-----------------------.-------------------.-.--------=-----------------..-------------.-.---.-------------------.---.-...---. I I Forecast I -_____=_____________ Chance Of Exceeding . ______a._________..___ Period I 90% 70\" sot {Most Probable} 30% lOt 30-Yr Avg. I (lOOOAF) (lDOOAF) I (IOOOAP) (t AVG. J I (1000~F) (lOOOAF) I (lOOOAF) ________________________________.__.__________._..__.___.____.__.~..I....-...-.-======.=..=.I..==s=s==========~==........===a..~.. Rio Grande at Thirty Mile Bridge APR-SEP 29 31 I 32 24 I 33 35 136 I I I 30 25 I I I I 72 21 I I I I IB, 0 14 I I I I 90 17 I I I I 5.0 15 I I I I 9,B 14 I I I I 0.94 11 I I I I 5.4 14 I I I I 9.0 14 I I 9.7 14 I I I I 29 15 I I I I 0,6 4 I I I I 7,1 io I I I I 4.5 20 I I I I 1.a 17 ~ I I Forecast Point Rio Grande Reservoir Inflow APR-JUL 27 Rio Grande at Wagon Wheel Gap APR-SEP 63 South Fork Rio Grande at South Fork APR-SEP 16.0 17.0 Rio Grande nr Del Norte APR-SEP BO saguache Creek nr saguache APR-SEP 3.3 Alamosa Creek abv Terrace Reservoir APR~SEP 7.B La Jara Creek nr Capulin 0.52 0.77 MAR-JUL Trinchera Water SUpply 3.B APR-SEP Platoro Reservoir Inflow APR-JUL APR.-SEP 7.7 B.3 Conejos River nr Mogot~ APR-SEP 25 . San Antonio River at Ortiz APR-SEP 0.3 Los pinos River nr Ortiz APR -SEP 6.0 Culebra Creek at San LuiS APR-SEP 2.7 Costilla Reservoir inflow. MAR-JUL 1.4 =======_===_.==._==~.=~.....=.M..........==..=.============.......................=.===........sa.=.===.==.==.=....=....~.......~. 1.6 2.B 19.6 Future Conditions 29 32 IlB 34 6B B9 345 114 24 32 132 B6 1-14 531 149 4.3 9.6 33 16.5 9.0 15.6 70 24 2.50 4.al 8.70 4.7 10.1 40 17.0 B.5 9.1 12.7 13.8 64 n 18.1 19.8 27 200 41 59 0.5 1.1 16.4 -2.2 6.6 11.7 7' 18.5 3.B B.l 23 13.4 4.2 UPPER RIO GRANDE BASIN J UPPER RIO. GRANDE BASIN Reservoir.Storage (1000 AF) - End of May I Watershed Snowpack Ana1ysis-- June l, ~002 _..~=_.==mE..~.=.....=.=.=......_..=.._......=_~_._.m_.._......._=..==========.====.=.~..._=.=m_.._..=......_......._._..~..s...... usable I . ***. Usable, Storage *** I Number' This Yea:~ as -%: of' Reservoir Capacity I This Last I Watershed' of .=....m=.""........."'.. I Year Year Avg I Data Sites Last Yr Average .~-..===....__.._._.__........_...._......_......._......~..=~.==.==~=.=I=.................=...._.__................=.....-....... CONTINENTAL 15.0 4.1 9.8 8.2 I ALAMOSA CREEK BASIN 1 0 0 I PLA'IORO 53.7 14.9 26.7 24.5 I CONEJOS & RIO SAN ANTONIO 2 0 0 I RIO GRANDE 51.0 13.8 30.6 24.2 I CULEBRA & TRINCHERA CREEK 2 0 0 I SANCHEZ 103.0 21.5 32.5 26" 9 I UPPER RIO GRANDE BASIN 2 0 0 I SANTA MARIA 45.0 7. B 12,3 11.4 I TOTAL UPPER RIO GRANDE BA BOO I TERRACE 13.1 4.1 8.3 8.0 I I .........................................................=...........=.....=========...==...=....................................-........... The average is computed for the 1971~2000 base period. * 90t~ 70%, 30\, and 10\ chances of exceeding are the probabilities that the 'actual volume will exceed the volumes in the table. (1) The values listed under the 10\ and 90t 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.