Colorado Basin River Forecast Center
September final Forecast
09-01-2026

:Other Reservoir Unregulated Inflow Forecasts
OBSERVED MONTHLY INFLOW VOLUMES PROVIDED BY THE BUREAU OF RECLAMATION
Reservoir, Reservoir, Observed Inflow (kaf),,,,Aug,Inflow Forecast (kaf),,,Observed
ID   ,Name           , May, Jun, Jul, Aug,%Avg,  Sep,  Oct,  Nov,Apr-Jul,%Avg
GLDA3,Lake Powell    , 383, 306,  84,1.18,  0%,  150,  280,  300, 1145,  18%
GBRW4,Fontenelle     ,  66, 124,  82,  43, 67%,   33,   30,   30,  318,  43%
GRNU1,Flaming Gorge  ,  70, 121,  86,  45, 63%,   38,   35,   39,  328,  34%
BMDC2,Blue Mesa      ,  55,  44,19.3,15.6, 27%,   15,   18,   16,  155,  24%
MPSC2,Morrow Point   ,  56,  44,19.4,14.6, 24%,   16,   19,   17,  157,  23%
CLSC2,Crystal        ,  58,  45,19.6,14.9, 23%,   19,   23,   19,  164,  21%
TPIC2,Taylor Park    ,12.0, 9.1, 4.4, 2.8, 30%,  3.0,  3.0,  2.0,   33,  35%
VCRC2,Vallecito      ,  28,15.5, 5.9, 3.6, 22%,  5.5,    6,    5,   70,  40%
NVRN5,Navajo         ,  63,12.0,-6.4,-15.6,-99%,   19,   24,   22,  142,  23%
LEMC2,Lemon          , 6.8, 2.6, 2.0,1.12, 28%,  1.1,  1.1,  0.9,   16,  33%
MPHC2,McPhee         ,  22, 8.5, 7.9, 5.6, 43%,  4.5,  3.5,  3.0,   61,  24%
RBSC2,Ridgway        , 7.4, 8.4, 4.7, 4.3, 32%,  4.0,  4.0,  3.0,   25,  27%
YDLC2,Deerlodge      , 148,  74,1.71,-1.48,-99%,    7,   17,   20,  326,  27%
DRGC2,Durango        ,  46,  36,14.7,10.8, 33%, 12.0, 14.0, 12.0,  129,  34%
PRSC2,Paonia         , 4.6,1.03,0.34,0.47, 19%,  0.5,  0.5,  1.0,   12,  15%

:Other
OBSERVED MONTHLY INFLOW VOLUMES PROVIDED BY THE BUREAU OF RECLAMATION
Reservoir, Reservoir, Observed Inflow (kaf),,,,Aug,Inflow Forecast (kaf),,,
ID   ,Name           , May, Jun, Jul, Aug,%Avg,  Sep,  Oct,  Nov
PRSC2-2,Paonia       , 4.6,1.03,0.34,0.47, 19%,  0.5,  0.5,  1.0


# PRECIPITATION SUMMARY - % OF AVERAGE BY MONTH - WY 2026
RIVER BASIN            ,  Oct,  Nov,  Dec,  Jan,  Feb,  Mar,  Apr,  May,  Jun,  Jul,  Aug
GREEN
   ABV FLAMING GORGE   ,  150,   50,  195,   65,   90,   45,   85,   95,   40,  145,  175
   ABV GRN RVR UT (TOT),  130,   50,  130,   65,  100,   35,   95,  100,   30,  135,  170
COLORADO
   ABV  GRAND JUNCTION ,   95,   40,   75,   65,   90,   40,   80,   65,   25,   90,   90
   GUNNISON BASIN      ,  170,   55,   60,   65,   95,   20,  105,   50,   40,  105,   70
   DOLORES BASIN       ,  175,   85,   40,   75,   95,   15,  120,   35,   30,  170,   70
   ABV CISCO (TOTAL)   ,  130,   50,   65,   70,   90,   30,   95,   60,   30,  105,   80
SAN JUAN
   ABV BLUFF (TOTAL)   ,  255,   70,   45,   45,   90,   10,  125,   45,   45,  120,   55
ABV LAKE POWELL (TOTAL),  150,   55,   80,   65,   95,   30,   95,   70,   30,  115,   95
     
C.Moser/W.Hanft/C.Rockey
CBRFC (801-524-5130)