# //UNITED STATES GEOLOGICAL SURVEY http://water.usgs.gov/ # //NATIONAL WATER INFORMATION SYSTEM http://water.usgs.gov/data.html # //DATA ARE PROVISIONAL AND SUBJECT TO CHANGE UNTIL PUBLISHED BY USGS # //RETRIEVED: 2026-04-22 15:00:02 # //WARNING # //WARNING The stage-discharge rating provided in this file should be # //WARNING considered provisional and subject to change. Stage-discharge # //WARNING ratings change over time as the channel features that control # //WARNING the relation between stage and discharge vary. Users are # //WARNING cautioned to consider carefully the applicability of this # //WARNING rating before using it for decisions that concern personal or # //WARNING public safety or operational consequences. # //FILE TYPE="NWIS RATING" # //DATABASE NUMBER=01 DESCRIPTION=" Standard data base for this site." # //STATION AGENCY="USGS " NUMBER="12323700 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Mill Creek at Opportunity, MT" # //LABEL="Discharge (ft^3/s)" # //PARAMETER CODE="00060" # //RATING SHIFTED="20260422150002 MST" # //RATING ID="11.0" TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="New rating for new gaging location. " # //RATING EXPANSION="logarithmic" # //RATING OFFSET1=1.400000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20251203171500 BZONE=-07:00 END=-------------- EZONE=--- AGING=Working # //RATING_DATETIME COMMENT="Start during ice affected stages. " # //SHIFT_NEXT BEGIN="--------------" BZONE="---" END="--------------" EZONE="---" # //SHIFT_NEXT STAGE1="---" SHIFT1="---" STAGE2="---" SHIFT2="---" STAGE3="---" SHIFT3="---" # //SHIFT_NEXT COMMENT=" " INDEP SHIFT DEP STOR 16N 16N 16N 1S 1.82 0.00 0.03 1.83 -0.01 0.03 1.84 0.00 0.04 1.85 0.00 0.05 1.86 -0.01 0.05 1.87 0.00 0.06 1.88 0.00 0.07 1.89 0.00 0.08 1.90 0.00 0.09 1.91 0.00 0.11 1.92 0.00 0.12 1.93 0.00 0.14 1.94 0.00 0.15 1.95 0.00 0.17 1.96 0.00 0.20 1.97 0.00 0.22 1.98 0.00 0.25 1.99 0.00 0.28 2.00 0.00 0.31 2.01 0.00 0.35 2.02 0.00 0.39 2.03 0.00 0.43 2.04 0.00 0.48 2.05 0.00 0.53 2.06 0.00 0.59 2.07 0.00 0.65 2.08 0.00 0.71 2.09 0.00 0.79 2.10 0.00 0.86 2.11 0.00 0.95 2.12 0.00 1.04 2.13 0.00 1.14 2.14 0.00 1.25 2.15 0.00 1.37 2.16 0.00 1.49 2.17 0.00 1.63 2.18 0.00 1.77 2.19 0.00 1.93 2.20 0.00 2.10 2.21 0.00 2.28 2.22 0.00 2.47 2.23 0.00 2.67 2.24 0.00 2.90 2.25 0.00 3.13 2.26 0.00 3.38 2.27 0.00 3.65 2.28 0.00 3.94 2.29 0.00 4.25 2.30 0.00 4.57 2.31 0.00 4.92 2.32 0.00 5.29 2.33 0.00 5.69 2.34 0.00 6.10 2.35 0.00 6.55 2.36 0.00 7.02 2.37 0.00 7.52 2.38 0.00 8.05 2.39 0.00 8.61 2.40 0.00 9.20 2.41 0.00 9.83 2.42 0.00 10.49 2.43 0.00 11.19 2.44 0.00 11.93 2.45 0.00 12.71 2.46 0.00 13.54 2.47 0.00 14.40 2.48 0.00 15.32 2.49 0.00 16.29 2.50 0.00 17.30 2.51 0.00 18.37 2.52 0.00 19.50 2.53 0.00 20.68 2.54 0.00 21.93 2.55 0.00 23.23 2.56 0.00 24.60 2.57 0.00 26.05 2.58 0.00 27.56 2.59 0.00 29.14 2.60 0.00 30.80 2.61 0.00 32.55 2.62 0.00 34.37 2.63 0.00 36.28 2.64 0.00 38.28 2.65 0.00 40.38 2.66 0.00 42.57 2.67 0.00 44.86 2.68 0.00 47.25 2.69 0.00 49.75 2.70 0.00 52.37 2.71 0.00 55.10 2.72 0.00 57.95 2.73 0.00 60.92 2.74 0.00 64.02 2.75 0.00 67.25 2.76 0.00 70.63 2.77 0.00 74.14 2.78 0.00 77.80 2.79 0.00 81.62 2.80 0.00 85.59 2.81 0.00 89.72 2.82 0.00 94.03 2.83 0.00 98.50 2.84 0.00 103.16 2.85 0.00 108.00 2.86 0.00 113.04 2.87 0.00 118.27 2.88 0.00 123.71 2.89 0.00 129.36 2.90 0.00 135.22 2.91 0.00 141.31 2.92 0.00 147.63 2.93 0.00 154.19 2.94 0.00 161.00 2.95 0.00 168.05 2.96 0.00 175.37 2.97 0.00 182.96 2.98 0.00 190.83 2.99 0.00 198.98 3.00 0.00 207.42 3.01 0.00 216.17 3.02 0.00 225.22 3.03 0.00 234.60 3.04 0.00 244.31 3.05 0.00 254.36