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E~=.=======C~~===s==c~==e~.E~======~.c..~=aa..===..c...=ce====c.~.=~==c=~=~=.sss=====.==.=~===.e================================== SAN MIGUEL, DOLORES, ANINAS, AND SAN JUAN RIVER BASINS StreMlflow Forecasts - March 1, 1999 =======e=============c======e===============ca====sec=c==aecee=====_cae======a.==c=e==============================cc============== I <<-===.- Drier c=e=== Future Conditions ======: Yetter e====>> I Forecast Point Forecast I ae=a=~===c=a....===c Chance Of Exceeding * c======_.=c=========== I Period I 90% lOX 50% (Molt Probable) 30% 10% I 3D-Yr Avg, (IDDDAFl (IDDOAF) (IDDDAF) (% AVG,) (IDDDAF) (1000AF) (1000AF) ~===c====_.c=.====c==c=============c==c=cc==========c==========:==== ========_=====c======== ====c===e============================ Dolores R at Dolores McPhee Reservoir inflow SIn Miguel River nr Placerville Gurley Reservoir Intake Cone Reservoir Intake Ltlylands Reservoir Intake Rio Blanco at Blanco Diversion Navajo River at 080 Dtversion San Juan River nr Carracus Piedra River nr Arboles Valleclto Reservoir Inflow Navajo Reservoir Inflow Animas River at Durango Lemon Reservoir Inflow La Plata River at Hesperus Mancos River at Mancos APR'JUL APR-JUL APR' JUL APR'JUL APRIL NAY JUNE JULY APR.JUL APRIL NAY JUNE JULY APR'JUL APRIL NAY JUNE JULY APR-JUL APR'JUL APR'JUL APR.JUL APR. JUL APR. JUL APR-JUL APR-JUL APR,JUL APR'JUL APRIL NAY JUNE JULY 66 68 51 6.7 1.37 1.02 16,1 18.9 136 70 71 131 184 18,8 4,6 12.0 123 137 73 10,5 1.87 1.60 30 34 216 130 102 398 241 29 10,3 14.7 160 180 100 13.0 2.50 7.00 3.00 0.50 2.30 0.40 1,30 0,50 0.10 2.00 0.40 1. 10 0.40 0.10 40 46 280 165 130 530 300 38 14,5 24 5.50 13.0 5,0 0,50 65 64 82 71 125 80 52 31 71 105 76 55 46 n III 98 37 42 74 71 73 75 66 69 n 67 60 60 95 82 37 11 197 2Z3 127 15,5 2.83 2.40 50 58 353 200 158 663 359 48 18.7 33 253 291 149 19,3 3.85 2,98 64 73 475 258 188 9Z6 414 57 25 47 246 283 122 18,2 2.00 8,80 5.76 1,64 3.Z3 0.38 1.n 0.91 0.22 2.79 0.36 1.12 1.07 0.24 54 65 382 219 196 m 418 57 24 40 5,80 15.9 13,7 4.60 ====c=======cc===_====================_===============c======_==c=============================c=================================== SAN MIGUEL, DOLORES, ANINAS, AND SAN JUAN RIVER BASINS I SAN MIGUEL, DOLORES, ANINAS, AND SAN JUAN RIVER BASINS Reservoir Storage <1000 AF) - End of February Yatershed Snowpack Analysis - March 1, 1999 ======================================_============c============================================================================== Reservotr Usable I *** Usable Storage *** Capacity thfs Last Year Year Avg ===========================================================c============ Watershed Number This Year as % of of c==c=c===cc=cc=== Data Sites Last Yr Average ========================================================= GRCRJNDHOG 21,7 16.3 17.6 10.5 ANINAS RIVER BASIN 9 109 71 JACKSON GULCH 10.0 5.9 4.7 4.5 DOLORES RIVER BASIN 6 90 66 LEIlOII 40.0 17.0 31.2 19.7 SAN MIGUEL RIVER BASIN 5 84 75 MCPHEE 381.2 267.0 343.0 302.0 SAN JUAN RIVER BASIN 3 129 90 NARRAGUINNEP 19.0 17.8 16,2 12.5 VALLEC no 126.0 78,0 74.0 54.8 ==============================================================:===================================================:=====:===:==:== * 901, 70%, 30X, and 10X chances of exceeding are the probabflities that the actual volume will exceed the volumes in the table. The averege is computed for the 1961-1990 base period. (1) - The values listed under the 10X and 90X Chence of Exceeding are actually 5% and 95% exceedanee levels. (2) - The value i8 natural volume. actual volume may be affected by upstream W8ter management.