# //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: 2026-06-09 15:20:01 # //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="20260609152001 MST" # //RATING ID="11.0" TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="New rating for new gaging location. " # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=2.407472E+00 # //RATING OFFSET1=1.350000E+00 OFFSET2=1.750000E+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 1.39 0.00 0.00 1.40 -0.01 0.00 1.41 -0.02 0.00 1.42 -0.03 0.00 1.43 -0.04 0.00 1.44 -0.05 0.00 1.45 -0.06 0.00 1.46 -0.07 0.00 1.47 0.00 0.01 1.48 -0.01 0.01 1.49 -0.02 0.01 1.50 -0.03 0.01 1.51 0.00 0.02 1.52 -0.01 0.02 1.53 -0.02 0.02 1.54 0.00 0.03 1.55 -0.01 0.03 1.56 0.00 0.04 1.57 -0.01 0.04 1.58 0.00 0.05 1.59 0.00 0.06 1.60 -0.01 0.06 1.61 0.00 0.07 1.62 0.00 0.08 1.63 0.00 0.09 1.64 0.00 0.10 1.65 0.00 0.11 1.66 0.00 0.12 1.67 0.00 0.14 1.68 0.00 0.15 1.69 0.00 0.16 1.70 0.00 0.18 1.71 0.00 0.20 1.72 0.00 0.21 1.73 0.00 0.23 1.74 0.00 0.25 1.75 0.00 0.27 1.76 0.00 0.29 1.77 0.00 0.32 1.78 0.00 0.34 1.79 0.00 0.37 1.80 0.00 0.39 1.81 0.00 0.42 1.82 0.00 0.45 1.83 0.00 0.48 1.84 0.00 0.51 1.85 0.00 0.55 1.86 0.00 0.58 1.87 0.00 0.62 1.88 0.00 0.66 1.89 0.00 0.70 1.90 0.00 0.74 1.91 0.00 0.78 1.92 0.00 0.83 1.93 0.00 0.87 1.94 0.00 0.92 1.95 0.00 0.97 1.96 0.00 1.02 1.97 0.00 1.07 1.98 0.00 1.13 1.99 0.00 1.19 2.00 0.00 1.25 2.01 0.00 1.31 2.02 0.00 1.37 2.03 0.00 1.43 2.04 0.00 1.50 2.05 0.00 1.57 2.06 0.00 1.64 2.07 0.00 1.72 2.08 0.00 1.79 2.09 0.00 1.87 2.10 0.00 1.95 2.11 0.00 2.03 2.12 0.00 2.12 2.13 0.00 2.20 2.14 0.00 2.29 2.15 0.00 2.39 2.16 0.00 2.48 2.17 0.00 2.58 2.18 0.00 2.68 2.19 0.00 2.78 2.20 0.00 2.89 2.21 0.00 2.99 2.22 0.00 3.10 * 2.23 0.00 3.21 2.24 0.00 3.33 2.25 0.00 3.44 2.26 0.00 3.56 2.27 0.00 3.68 2.28 0.00 3.80 2.29 0.00 3.93 2.30 0.00 4.06 2.31 0.00 4.19 2.32 0.00 4.32 2.33 0.00 4.46 2.34 0.00 4.60 2.35 0.00 4.74 * 2.36 0.00 4.89 2.37 0.00 5.04 2.38 0.00 5.20 2.39 0.00 5.36 2.40 0.00 5.52 2.41 0.00 5.72 * 2.42 0.00 6.02 2.43 0.00 6.34 2.44 0.00 6.67 2.45 0.00 7.01 2.46 0.00 7.37 2.47 0.00 7.73 * 2.48 0.00 8.10 2.49 0.00 8.48 2.50 0.00 8.88 2.51 0.00 9.29 2.52 0.00 9.71 2.53 0.00 10.14 2.54 0.00 10.59 2.55 0.00 11.05 2.56 0.00 11.53 2.57 0.00 12.02 2.58 0.00 12.52 2.59 0.00 13.04 2.60 0.00 13.58 2.61 0.00 14.13 2.62 0.00 14.69 2.63 0.00 15.27 2.64 0.00 15.87 2.65 0.00 16.48 2.66 0.00 17.11 2.67 0.00 17.76 2.68 0.00 18.42 2.69 0.00 19.10 2.70 0.00 19.80 2.71 0.00 20.52 2.72 0.00 21.25 2.73 0.00 22.00 2.74 0.00 22.77 2.75 0.00 23.56 2.76 0.00 24.37 2.77 0.00 25.20 2.78 0.00 26.05 2.79 0.00 26.91 2.80 0.00 27.80 2.81 0.00 28.71 2.82 0.00 29.64 2.83 0.00 30.59 2.84 0.00 31.56 2.85 0.00 32.55 2.86 0.00 33.57 2.87 0.00 34.61 2.88 0.00 35.67 2.89 0.00 36.75 2.90 0.00 37.85 2.91 0.00 38.98 2.92 0.00 40.13 2.93 0.00 41.31 2.94 0.00 42.51 2.95 0.00 43.73 2.96 0.00 44.98 2.97 0.00 46.25 2.98 0.00 47.55 2.99 0.00 48.88 3.00 0.00 50.23 3.01 0.00 51.60 3.02 0.00 53.00 3.03 0.00 54.43 3.04 0.00 55.89 3.05 0.00 57.37 3.06 0.00 58.88 3.07 0.00 60.42 3.08 0.00 61.99 3.09 0.00 63.58 3.10 0.00 65.21 3.11 0.00 66.86 3.12 0.00 68.54 3.13 0.00 70.26 3.14 0.00 72.00 3.15 0.00 73.77 3.16 0.00 75.57 3.17 0.00 77.41 3.18 0.00 79.27 3.19 0.00 81.17 3.20 0.00 83.09 3.21 0.00 85.05 3.22 0.00 87.05 3.23 0.00 89.07 3.24 0.00 91.13 3.25 0.00 93.22 3.26 0.00 95.35 3.27 0.00 97.51 3.28 0.00 99.70 3.29 0.00 101.93 3.30 0.00 104.19 3.31 0.00 106.49 3.32 0.00 108.82 3.33 0.00 111.19 3.34 0.00 113.59 3.35 0.00 116.04 3.36 0.00 118.51 3.37 0.00 121.03 3.38 0.00 123.58 3.39 0.00 126.17 3.40 0.00 128.80 3.41 0.00 131.47 3.42 0.00 134.17 3.43 0.00 136.92 3.44 0.00 139.70 3.45 0.00 142.53 3.46 0.00 145.39 3.47 0.00 148.30 3.48 0.00 151.24 3.49 0.00 154.23 3.50 0.00 157.25 3.51 0.00 160.32 3.52 0.00 163.43 3.53 0.00 166.59 3.54 0.00 169.78 3.55 0.00 173.02 3.56 0.00 176.30 3.57 0.00 179.63 3.58 0.00 183.00 3.59 0.00 186.41 3.60 0.00 189.87 3.61 0.00 193.38 3.62 0.00 196.93 3.63 0.00 200.52 3.64 0.00 204.16 3.65 0.00 207.85 3.66 0.00 211.58 3.67 0.00 215.36 3.68 0.00 219.19 *