G R E A T    P L A I N S    R E G I O N A L    O F F I C E                              
 
       Daily Reservoir Report for: 2025DEC18                                                                                        
                                                                        TOTAL   DAILY   DAILY   FEET   SPACE  PERCENT  HISTORIC   
                                                            ELEVATION  STORAGE  INFLOW  OUTFLO   TO   TO FILL   FULL  DAILY AVE   
 SITE            RESERVOIR NAME                              (feet)    (ac-ft)  (cfs)   (cfs)   FILL  (ac-ft)    (%)     (%)      
_______________________________________________________________________________________________________________________________   
 
 
   Big Horn River Basin
 BLR      BULL LAKE RESERVOIR ON BULL LAKE CREEK, WYOMING    5760.30     37309      46      37   44.70  115150    24      51        
 PBR      PILOT BUTTE OFFSTREAM, 22 MILES NW OF RIVERTON, WY 5454.98     29334      -8       0    5.02    4387    86     110        
 BOYR     BOYSEN RESERVOIR, THERMOPOLIS, WYOMING             4711.97    520528     669     594   13.03  221066    70      93        
 ANCR     ANCHOR RESERVOIR, SOUTH FORK OWL CREEK, WYOMING    6364.08       583      -5       0   76.92   16645     3     149        
 BBR      BUFFALO BILL RESERVOIR ON SHOSHONE RIVER, WYOMING  5356.04    374636     469     150   37.46  271929    57      84        
-------------------------------------------------------------------------------------------------------------------------------   
MONTANA AREA OFFICE
 
   Big Horn River
 BHR      BIGHORN LAKE, MONTANA                              3630.12    897544    2203    2014    9.88  123029    87     104        
 BHSX     BIGHORN RIVER BELOW BIA CANAL, MT                  3187.11                      2056                           102        
 
   Upper Missouri River Basin
 LIMR     LIMA RES UPSTREAM OF CLARK CANYON RES, MONTANA     6567.41     23801      12      13   20.59   61224    27   2025OCT27    
 CCR      CLARK CANYON RESERVOIR, BEAVERHEAD RVR NR DILLON,  5524.09     80253     254      35   22.01   94114    46      84        
 HEBR     HEBGEN LAKE NEAR WEST YELLOWSTONE, MONTANA         6529.23    316980    1121     665    5.64   69201    82      98        
 CFR      CANYON FERRY LAKE NEAR HELENA, MONTANA             3784.11   1468131    4684    2995   12.89  423757    77      96        
 
   Sun River Basin
 GIBR     GIBSON RESERVOIR, MONTANA                          4658.16     30811    1005     152   65.84   67876    31     179        
 PSHR     PISHKUN RESERVOIR NEAR AUGUSTA, MONTANA            4355.99     28151      -5       0   14.01   18543    60      97        
 WCR      WILLOW CREEK RESERVOIR, 6 MILES NW AUGUSTA, MONTAN 4112.91      4175       6       0   29.09   27673    13      17        
 
   Marias River Basin
 SWTR     SWIFT RESERVOIR, BIRCH CREEK, MONTANA              ******  NO DATA Within Lookback Period to 2025JUN01 ******             
 LER      LAKE ELWELL SPILLWAY TRANSDUCER, MONTANA           2980.69    719026    1800     251   12.31  206623    77      95        
 
   Milk River Basin
 SHER     LAKE SHERBURNE, SWIFT CURRENT CREEK NEAR BABB, MT  4783.74     58993     424      62    4.26    7154    89     201        
 FRR      FRESNO RESERVOIR NEAR HAVRE, MONTANA               2556.70     30973     102      41   18.30   60773    33      79        
 NELR     NELSON RESERVOIR AT DAM 10 MILES NW OF SACO, MT    2215.77     55988     -54       0    5.83   22962    70     102