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: 2025DEC14                                                                                        
                                                                        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)    (%)     (%)      
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   Big Horn River Basin
 BLR      BULL LAKE RESERVOIR ON BULL LAKE CREEK, WYOMING    5760.24     37192      37      37   44.76  115267    24      51        
 PBR      PILOT BUTTE OFFSTREAM, 22 MILES NW OF RIVERTON, WY 5455.02     29368       0       0    4.98    4353    87     110        
 BOYR     BOYSEN RESERVOIR, THERMOPOLIS, WYOMING             4711.94    520091     604     604   13.06  221503    70      93        
 ANCR     ANCHOR RESERVOIR, SOUTH FORK OWL CREEK, WYOMING    6363.80       570       3       0   77.20   16658     3     146        
 BBR      BUFFALO BILL RESERVOIR ON SHOSHONE RIVER, WYOMING  5355.75    372805     345     152   37.75  273760    57      84        
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MONTANA AREA OFFICE
 
   Big Horn River
 BHR      BIGHORN LAKE, MONTANA                              3630.45    900662    1369    1995    9.55  119911    88     104        
 BHSX     BIGHORN RIVER BELOW BIA CANAL, MT                  3186.90                      2065                            95        
 
   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,  5523.64     78755     201      35   22.46   95612    45      84        
 HEBR     HEBGEN LAKE NEAR WEST YELLOWSTONE, MONTANA         6529.22    316869     495     665    5.65   69312    82      98        
 CFR      CANYON FERRY LAKE NEAR HELENA, MONTANA             3783.85   1460224    3633    3020   13.15  431664    77      95        
 
   Sun River Basin
 GIBR     GIBSON RESERVOIR, MONTANA                          4646.72     23349    1084     143   77.28   75338    23     139        
 PSHR     PISHKUN RESERVOIR NEAR AUGUSTA, MONTANA            4356.02     28182       0       0   13.98   18512    60      97        
 WCR      WILLOW CREEK RESERVOIR, 6 MILES NW AUGUSTA, MONTAN 4112.50      4006       2       0   29.50   27842    12      17        
 
   Marias River Basin
 SWTR     SWIFT RESERVOIR, BIRCH CREEK, MONTANA              ******  NO DATA Within Lookback Period to 2025MAY28 ******             
 LER      LAKE ELWELL SPILLWAY TRANSDUCER, MONTANA           2979.91    708178    1436     254   13.09  217471    76      94        
 
   Milk River Basin
 SHER     LAKE SHERBURNE, SWIFT CURRENT CREEK NEAR BABB, MT  4781.33     55109     366       0    6.67   11038    83     190        
 FRR      FRESNO RESERVOIR NEAR HAVRE, MONTANA               2556.63     30832      20      40   18.37   60914    33      78        
 NELR     NELSON RESERVOIR AT DAM 10 MILES NW OF SACO, MT    2215.80     56096     -18       0    5.80   22854    71     102