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JJ19fJ7 " ==B==~.m=m...........................==.........................................===..........==..............__......__.__.....___ SAN'MIGUEL, DOLORES, ANIMAS, AND SAN JUAN RIVER BASINS Streamflow Forecasts - June 1, 2002 Forecast Point --........--...........---......-==--.............------========----------...._.=_=_______._._.._...______._....c=_=_............. 1 1 Forecast I ..__m_d._m__._._=_._ Chance Of Exceeding . __=_=...___._.____.._. Period I 90% 70% 50\" (Moet Probable) 30% 10%, 30-Yr Avg, I (IOOOAP) {lOOOAFl, I (IOOOAP) {It AVG. J I (IOOOAF) (IOOOAF) I (lOOOAF) ==--=.._-_.__...__.._==.~.-........_..._._--_..._.__.-_.._._.....___I__._~._._.=._.=.__.____I_E__~_______~____a.__..___________._~ Dolores River at Dolores APR-JUL 39 42 I 45 1'1 I 58 7'1 265 I 1 I 47 15 I 1 I I 32 24 1 1 1 I 1.26 21 I I 1- 00 21 1 I 0.26 20 1 I I I 0.26 18 I I 0.20 19 I I 0.06 16 I 1 I I 0.15 13 I I 0.12 14 1 I 0.03 11 I I 1 1 7.5 14 I I 1 1 10.0 15 1 1 1 I 54 13 I 1 1 1 25 11 1 1 I I 37 18 I 1 1 175 9 I I I 1 89 20 I 1 1 I 12.0 21 I 1 I I 3.6 14 I 1 1 1 6,4 16 I I 1-1 8 I 1 0.30 7 1 1 I McPhee Reservoir inflow APR-JUL San Miguel River nr Placerville APR-JUL Gurley Reservoir Inlet JUN -JtJL JUNE JULY Cone Reservoir Inlet JUN -JUL JUNE JULY Lilylands Reservoir Inlet JUN-JUL JUNE JULY Rio Blanco at Blanco Diversion APR-JUL Navajo River at 080 Diversion APR-JUL San Juan River nr Carracus APR-JUL . Piedra River nr Arboles APR-JUL Vallecito Reservoir Inflow APR-JUL Nav~jo Reservoir Inflow APR-JUL 'Animas River at Durango APR-JUL Lemon Reservoir Inflow APR-JUL La Plata River at Hesperus APR-JUL Mancos River nr Mancos APR-JUL JUNE JULY Reservoir Usable J Capacityl JACKSON GULCH 10.0 LEMON 40.0 MCPHEE 381.2 "NARRAGUINNEP 19.0 VALLECITO 126.0 _=s____._c=_.___....._................_................___=.__.._.===..._=_=__=.==_====:==.=_======~..=.=============......~......_ ,>] <<____== Drier ==_=__ 12.0 0.68 0.12 0.10 i9.0 4.~ 40 0.20 0.13 5.2 6,8 22 34 60 63 8.8 10.7 2.8 *** Usable Storage This Last Future Conditions Wetter ..........>> 44 24 40 62 85 320 =======.............................................._....._....e...___~........_...........=..=........_......-_...-..=......__=~"'=..====......~.~... SAN MIGUEL, DOLORES, ANIMAS, AND SAN JUAN RIVER BASINS I SAN MIGUEL, DOLORES, ANIMAS, AND SAN JUAN RIVER BASINS Reservoir Storage (1000 AF) - Bnd of May J Watershed Snowpack Analysis ~ June 1, 2002 .=..._==...==~-......-......-.............._-.....-......_..--.....=......................._.........._................_.=_===="'==__......=..=.=c *** I 1 I Year Year Avg I Data Sites Last Yr Average ..==...................-...=......................-.....__......._=...==1..........................==.==.===_........===..===..... GROUNDHOG 21.7 11.2 18.'1 18.9 I ANIMAS RIVER BASIN 7 0 0 I 9,3 1 1 29.2 I 1 328.0 I I 17.4 I 1 93.9 1 I 2.8 8.2 204.2 12.4 44.5 10.0 38.0 303.5 18.2 109.2 1.10 2.00 52 132 0.58 0.31 6,6 12.7 3.08 6.00 4.67 1.32 8,7 16.7 1.04 1.43 1.04 0.38 3B 73 0.55 1.14 0.87 0.27 24 36 20 53 36 43 27 69 69 136 107 405 78 126 51 230 17.2 3."3 6.0 52 205 5.5 12.2 226 800 Watershed Number of 180 440 DOLORES RIVER BASIN SAN MIGUEL RIVER BASIN SAN JUAN RIVER BASIN TOTAL SAN MIGUEL, DOLORES SAN J'U1\N RIVER BASINS 25 58 9.5 25 21 40 13 .7 4.60 This Year as % of ,:j 4 o o ,J 3 o o { 3 o o 16 o o J.j * 90t, 70%, 30t, 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 1911-2000 base period. (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. \l '-J , ,~