# //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: 2025-09-05 16:20:02 # //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="06020600 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Ruby River below reservoir near Alder, MT" # //LABEL="Discharge (ft^3/s)" # //PARAMETER CODE="00060" # //RATING SHIFTED="20250905162002 MST" # //RATING ID="15.0" TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="QM used for rating development: 465, 555, 565, 580, 604, 639, 641, 649, 664-677 to account for light fill that has occurred below stages 3.5 ft based upon trends of recent QMs. Negative shifting expected due to macrophyte growth." # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=3.580900E+00 # //RATING OFFSET1=1.150000E+00 OFFSET2=1.600000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20241205091500 BZONE=-07:00 END=-------------- EZONE=--- AGING=1 # //RATING_DATETIME COMMENT="End rating 14.0 and begin rating 15.0 during dam gate change. Change in Q is -2.3% (57.45 to 56.12 cfs). " # //SHIFT_PREV BEGIN="20250807073900" BZONE="-07:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="2.50" SHIFT1="-0.04" STAGE2="3.58" SHIFT2="-0.04" STAGE3="5.50" SHIFT3="0.00" # //SHIFT_PREV COMMENT="Continue shift forward. Still verified by Qm 681. " # //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 1.41 -0.04 0.90 1.42 -0.04 1.00 1.43 -0.04 1.11 1.44 -0.04 1.23 1.45 -0.04 1.35 1.46 -0.04 1.49 1.47 -0.04 1.63 1.48 -0.04 1.77 1.49 -0.04 1.93 1.50 -0.04 2.09 1.51 -0.04 2.26 1.52 -0.04 2.44 1.53 -0.04 2.63 1.54 -0.04 2.82 1.55 -0.04 3.03 1.56 -0.04 3.24 1.57 -0.04 3.46 1.58 -0.04 3.69 1.59 -0.04 3.93 1.60 -0.04 4.17 1.61 -0.04 4.43 1.62 -0.04 4.69 1.63 -0.04 4.97 1.64 -0.04 5.25 1.65 -0.04 5.55 1.66 -0.04 5.85 1.67 -0.04 6.16 1.68 -0.04 6.48 1.69 -0.04 6.81 1.70 -0.04 7.16 1.71 -0.04 7.51 1.72 -0.04 7.87 1.73 -0.04 8.24 1.74 -0.04 8.62 1.75 -0.04 9.02 1.76 -0.04 9.42 1.77 -0.04 9.83 1.78 -0.04 10.26 1.79 -0.04 10.69 1.80 -0.04 11.14 1.81 -0.04 11.59 1.82 -0.04 12.06 1.83 -0.04 12.54 1.84 -0.04 13.03 1.85 -0.04 13.53 1.86 -0.04 14.04 1.87 -0.04 14.57 1.88 -0.04 15.10 1.89 -0.04 15.65 1.90 -0.04 16.21 1.91 -0.04 16.78 1.92 -0.04 17.36 1.93 -0.04 17.95 1.94 -0.04 18.56 1.95 -0.04 19.17 1.96 -0.04 19.80 1.97 -0.04 20.45 1.98 -0.04 21.10 1.99 -0.04 21.77 2.00 -0.04 22.44 2.01 -0.04 23.13 2.02 -0.04 23.84 2.03 -0.04 24.55 2.04 -0.04 25.28 2.05 -0.04 26.02 2.06 -0.04 26.78 2.07 -0.04 27.54 2.08 -0.04 28.32 2.09 -0.04 29.12 2.10 -0.04 29.92 2.11 -0.04 30.74 2.12 -0.04 31.57 2.13 -0.04 32.42 2.14 -0.04 33.28 2.15 -0.04 34.15 2.16 -0.04 35.04 2.17 -0.04 35.93 2.18 -0.04 36.85 2.19 -0.04 37.77 2.20 -0.04 38.71 2.21 -0.04 39.67 2.22 -0.04 40.64 2.23 -0.04 41.62 2.24 -0.04 42.61 2.25 -0.04 43.62 2.26 -0.04 44.65 2.27 -0.04 45.69 2.28 -0.04 46.74 2.29 -0.04 47.80 2.30 -0.04 48.88 2.31 -0.04 49.98 2.32 -0.04 51.09 2.33 -0.04 52.21 2.34 -0.04 53.35 2.35 -0.04 54.51 2.36 -0.04 55.67 2.37 -0.04 56.86 2.38 -0.04 58.06 2.39 -0.04 59.27 2.40 -0.04 60.50 2.41 -0.04 61.74 2.42 -0.04 63.00 2.43 -0.04 64.27 2.44 -0.04 65.56 2.45 -0.04 66.86 2.46 -0.04 68.18 2.47 -0.04 69.51 2.48 -0.04 70.86 2.49 -0.04 72.23 2.50 -0.04 73.61 2.51 -0.04 75.01 2.52 -0.04 76.42 2.53 -0.04 77.84 2.54 -0.04 79.29 2.55 -0.04 80.75 2.56 -0.04 82.22 2.57 -0.04 83.71 2.58 -0.04 85.22 2.59 -0.04 86.74 2.60 -0.04 88.28 2.61 -0.04 89.84 2.62 -0.04 91.41 2.63 -0.04 92.99 2.64 -0.04 94.60 2.65 -0.04 96.22 2.66 -0.04 97.85 2.67 -0.04 99.51 2.68 -0.04 101.18 2.69 -0.04 102.86 2.70 -0.04 104.57 2.71 -0.04 106.28 2.72 -0.04 108.02 2.73 -0.04 109.77 2.74 -0.04 111.54 2.75 -0.04 113.33 2.76 -0.04 115.13 2.77 -0.04 116.95 2.78 -0.04 118.79 2.79 -0.04 120.64 2.80 -0.04 122.52 2.81 -0.04 124.41 2.82 -0.04 126.31 2.83 -0.04 128.23 2.84 -0.04 130.17 2.85 -0.04 132.13 2.86 -0.04 134.11 2.87 -0.04 136.10 2.88 -0.04 138.11 2.89 -0.04 140.14 2.90 -0.04 142.18 2.91 -0.04 144.25 2.92 -0.04 146.33 2.93 -0.04 148.43 2.94 -0.04 150.54 2.95 -0.04 152.68 2.96 -0.04 154.83 2.97 -0.04 157.00 2.98 -0.04 159.19 2.99 -0.04 161.40 3.00 -0.04 163.62 3.01 -0.04 165.86 3.02 -0.04 168.12 3.03 -0.04 170.40 3.04 -0.04 172.70 3.05 -0.04 175.01 3.06 -0.04 177.35 3.07 -0.04 179.70 3.08 -0.04 182.07 3.09 -0.04 184.46 3.10 -0.04 186.87 3.11 -0.04 189.30 3.12 -0.04 191.74 3.13 -0.04 194.20 3.14 -0.04 196.69 3.15 -0.04 199.19 3.16 -0.04 201.71 3.17 -0.04 204.25 3.18 -0.04 206.81 3.19 -0.04 209.38 3.20 -0.04 211.98 3.21 -0.04 214.59 3.22 -0.04 217.23 3.23 -0.04 219.88 3.24 -0.04 222.56 3.25 -0.04 225.25 3.26 -0.04 227.96 3.27 -0.04 230.69 3.28 -0.04 233.44 3.29 -0.04 236.21 3.30 -0.04 239.00 3.31 -0.04 241.81 3.32 -0.04 244.63 3.33 -0.04 247.48 3.34 -0.04 250.35 3.35 -0.04 253.23 3.36 -0.04 256.14 3.37 -0.04 259.07 3.38 -0.04 262.01 3.39 -0.04 264.98 3.40 -0.04 267.96 3.41 -0.04 270.97 3.42 -0.04 274.00 3.43 -0.04 277.04 3.44 -0.04 280.11 3.45 -0.04 283.19 3.46 -0.04 286.30 3.47 -0.04 289.43 3.48 -0.04 292.57 3.49 -0.04 295.74 3.50 -0.04 298.93 3.51 -0.04 302.13 3.52 -0.04 305.36 3.53 -0.04 308.61 3.54 -0.04 311.88 3.55 -0.04 315.17 3.56 -0.04 318.48 3.57 -0.04 321.81 3.58 -0.04 325.16 * 3.59 -0.04 328.60 3.60 -0.04 332.06 3.61 -0.04 335.55 3.62 -0.04 339.06 3.63 -0.04 342.33 3.64 -0.04 345.63 3.65 -0.04 348.93 3.66 -0.04 352.25 3.67 -0.04 355.59 3.68 -0.04 358.94 3.69 -0.04 362.30 3.70 -0.04 365.68 3.71 -0.04 369.07 3.72 -0.04 372.48 3.73 -0.04 375.91 3.74 -0.04 379.34 3.75 -0.04 382.80 3.76 -0.04 386.26 3.77 -0.04 389.74 3.78 -0.04 393.24 3.79 -0.04 396.75 3.80 -0.04 400.27 3.81 -0.04 403.81 3.82 -0.03 407.37 3.83 -0.03 410.93 3.84 -0.03 414.52 3.85 -0.03 418.11 3.86 -0.03 421.73 3.87 -0.03 425.35 3.88 -0.03 428.99 3.89 -0.03 432.65 3.90 -0.03 436.32 3.91 -0.03 440.00 3.92 -0.03 443.70 3.93 -0.03 447.41 3.94 -0.03 451.14 3.95 -0.03 454.88 3.96 -0.03 458.64 3.97 -0.03 462.41 3.98 -0.03 466.19 3.99 -0.03 469.99 4.00 -0.03 473.80 4.01 -0.03 477.63 4.02 -0.03 481.47 4.03 -0.03 485.33 4.04 -0.03 489.20 4.05 -0.03 493.08 4.06 -0.03 496.98 4.07 -0.03 500.90 4.08 -0.03 504.82 4.09 -0.03 508.77 4.10 -0.03 512.72 4.11 -0.03 516.69 4.12 -0.03 520.68 4.13 -0.03 524.68 4.14 -0.03 528.69 4.15 -0.03 532.72 4.16 -0.03 536.76 4.17 -0.03 540.82 4.18 -0.03 544.89 4.19 -0.03 548.97 4.20 -0.03 553.07 4.21 -0.03 557.18 4.22 -0.03 561.31 4.23 -0.03 565.45 4.24 -0.03 569.61 4.25 -0.03 573.77 4.26 -0.03 577.96 4.27 -0.03 582.16 4.28 -0.03 586.37 4.29 -0.03 590.59 4.30 -0.03 594.83 4.31 -0.02 599.09 4.32 -0.02 603.36 4.33 -0.02 607.64 4.34 -0.02 611.94 4.35 -0.02 616.25 4.36 -0.02 620.57 4.37 -0.02 624.91 4.38 -0.02 629.26 4.39 -0.02 633.63 4.40 -0.02 638.01 4.41 -0.02 642.41 4.42 -0.02 646.82 4.43 -0.02 651.24 4.44 -0.02 655.68 4.45 -0.02 660.13 4.46 -0.02 664.59 4.47 -0.02 669.07 4.48 -0.02 673.56 4.49 -0.02 678.07 4.50 -0.02 682.59 4.51 -0.02 687.13 4.52 -0.02 691.68 4.53 -0.02 696.24 4.54 -0.02 700.82 4.55 -0.02 705.41 4.56 -0.02 710.01 4.57 -0.02 714.63 4.58 -0.02 719.27 4.59 -0.02 723.91 4.60 -0.02 728.57 4.61 -0.02 733.25 4.62 -0.02 737.94 4.63 -0.02 742.64 4.64 -0.02 747.36 4.65 -0.02 752.09 4.66 -0.02 756.83 4.67 -0.02 761.59 4.68 -0.02 766.36 4.69 -0.02 771.15 4.70 -0.02 775.95 4.71 -0.02 780.76 4.72 -0.02 785.59 4.73 -0.02 790.43 4.74 -0.02 795.28 4.75 -0.02 800.15 4.76 -0.02 805.04 4.77 -0.02 809.93 4.78 -0.02 814.84 4.79 -0.01 819.77 4.80 -0.01 824.70 4.81 -0.01 829.66 4.82 -0.01 834.62 4.83 -0.01 839.60 4.84 -0.01 844.60 4.85 -0.01 849.60 4.86 -0.01 854.62 4.87 -0.01 859.66 4.88 -0.01 864.71 4.89 -0.01 869.77 4.90 -0.01 874.84 4.91 -0.01 879.93 4.92 -0.01 885.04 4.93 -0.01 890.15 4.94 -0.01 895.28 4.95 -0.01 900.43 4.96 -0.01 905.59 4.97 -0.01 910.76 4.98 -0.01 915.95 4.99 -0.01 921.14 5.00 -0.01 926.36 5.01 -0.01 931.58 5.02 -0.01 936.83 5.03 -0.01 942.08 5.04 -0.01 947.35 5.05 -0.01 952.63 5.06 -0.01 957.92 5.07 -0.01 963.23 5.08 -0.01 968.55 5.09 -0.01 973.89 5.10 -0.01 979.24 5.11 -0.01 984.60 5.12 -0.01 989.98 5.13 -0.01 995.37 5.14 -0.01 1000.78 5.15 -0.01 1006.19 5.16 -0.01 1011.63 5.17 -0.01 1017.07 5.18 -0.01 1022.53 5.19 -0.01 1028.00 5.20 -0.01 1033.49 5.21 -0.01 1038.99 5.22 -0.01 1044.50 5.23 -0.01 1050.03 5.24 -0.01 1055.57 5.25 -0.01 1061.12 5.26 0.00 1066.69 5.27 0.00 1072.27 5.28 0.00 1077.86 5.29 0.00 1083.47 5.30 0.00 1089.09 5.31 0.00 1094.73 5.32 0.00 1100.38 5.33 0.00 1106.04 5.34 0.00 1111.72 5.35 0.00 1117.41 5.36 0.00 1123.11 5.37 0.00 1128.82 5.38 0.00 1134.55 5.39 0.00 1140.30 5.40 0.00 1146.05 5.41 0.00 1151.83 5.42 0.00 1157.61 5.43 0.00 1163.41 5.44 0.00 1169.22 5.45 0.00 1175.04 5.46 0.00 1180.88 5.47 0.00 1186.73 5.48 0.00 1192.59 5.49 0.00 1198.47 5.50 0.00 1204.36 5.51 0.00 1210.15 5.52 0.00 1215.95 5.53 0.00 1221.76 5.54 0.00 1227.58 5.55 0.00 1233.42 5.56 0.00 1239.26 5.57 0.00 1245.13 5.58 0.00 1251.00 5.59 0.00 1256.89 5.60 0.00 1262.79 5.61 0.00 1268.70 5.62 0.00 1274.63 5.63 0.00 1280.57 5.64 0.00 1286.52 5.65 0.00 1292.48 5.66 0.00 1298.46 5.67 0.00 1304.45 5.68 0.00 1310.45 5.69 0.00 1316.47 5.70 0.00 1322.50 5.71 0.00 1328.54 5.72 0.00 1334.59 5.73 0.00 1340.66 5.74 0.00 1346.74 5.75 0.00 1352.83 5.76 0.00 1358.94 5.77 0.00 1365.06 5.78 0.00 1371.19 5.79 0.00 1377.33 5.80 0.00 1383.49 5.81 0.00 1389.66 5.82 0.00 1395.84 5.83 0.00 1402.04 5.84 0.00 1408.24 5.85 0.00 1414.47 5.86 0.00 1420.70 5.87 0.00 1426.95 5.88 0.00 1433.20 5.89 0.00 1439.48 5.90 0.00 1445.76 5.91 0.00 1452.06 5.92 0.00 1458.37 5.93 0.00 1464.69 5.94 0.00 1471.03 5.95 0.00 1477.37 5.96 0.00 1483.73 5.97 0.00 1490.11 5.98 0.00 1496.49 5.99 0.00 1502.89 6.00 0.00 1509.30 6.01 0.00 1515.73 6.02 0.00 1522.17 6.03 0.00 1528.62 6.04 0.00 1535.08 6.05 0.00 1541.55 6.06 0.00 1548.04 6.07 0.00 1554.54 6.08 0.00 1561.06 6.09 0.00 1567.58 6.10 0.00 1574.12 6.11 0.00 1580.67 6.12 0.00 1587.23 6.13 0.00 1593.81 6.14 0.00 1600.40 6.15 0.00 1607.00 6.16 0.00 1613.62 6.17 0.00 1620.24 6.18 0.00 1626.88 6.19 0.00 1633.54 6.20 0.00 1640.20 6.21 0.00 1646.88 6.22 0.00 1653.57 6.23 0.00 1660.27 6.24 0.00 1666.99 6.25 0.00 1673.72 6.26 0.00 1680.46 6.27 0.00 1687.21 6.28 0.00 1693.98 6.29 0.00 1700.76 6.30 0.00 1707.55 6.31 0.00 1714.35 6.32 0.00 1721.17 6.33 0.00 1728.00 6.34 0.00 1734.84 6.35 0.00 1741.69 6.36 0.00 1748.56 6.37 0.00 1755.44 6.38 0.00 1762.33 6.39 0.00 1769.23 6.40 0.00 1776.15 6.41 0.00 1783.08 6.42 0.00 1790.02 6.43 0.00 1796.98 6.44 0.00 1803.95 6.45 0.00 1810.93 6.46 0.00 1817.92 6.47 0.00 1824.92 6.48 0.00 1831.94 6.49 0.00 1838.97 6.50 0.00 1846.01 6.51 0.00 1853.07 6.52 0.00 1860.14 6.53 0.00 1867.22 6.54 0.00 1874.31 6.55 0.00 1881.41 6.56 0.00 1888.53 6.57 0.00 1895.66 6.58 0.00 1902.80 6.59 0.00 1909.96 6.60 0.00 1917.13 6.61 0.00 1924.31 6.62 0.00 1931.50 6.63 0.00 1938.70 6.64 0.00 1945.92 6.65 0.00 1953.15 6.66 0.00 1960.40 6.67 0.00 1967.65 6.68 0.00 1974.92 6.69 0.00 1982.20 6.70 0.00 1989.49 6.71 0.00 1996.80 6.72 0.00 2004.11 6.73 0.00 2011.44 6.74 0.00 2018.79 6.75 0.00 2026.14 6.76 0.00 2033.51 6.77 0.00 2040.89 6.78 0.00 2048.28 6.79 0.00 2055.68 6.80 0.00 2063.10 6.81 0.00 2070.53 6.82 0.00 2077.97 6.83 0.00 2085.43 6.84 0.00 2092.89 6.85 0.00 2100.37 6.86 0.00 2107.86 6.87 0.00 2115.37 6.88 0.00 2122.88 6.89 0.00 2130.41 6.90 0.00 2137.95 6.91 0.00 2145.51 6.92 0.00 2153.07 6.93 0.00 2160.65 6.94 0.00 2168.24 6.95 0.00 2175.85 6.96 0.00 2183.46 6.97 0.00 2191.09 6.98 0.00 2198.73 6.99 0.00 2206.38 7.00 0.00 2214.05 7.01 0.00 2221.73 7.02 0.00 2229.42 7.03 0.00 2237.12 7.04 0.00 2244.83 7.05 0.00 2252.56 7.06 0.00 2260.30 7.07 0.00 2268.05 7.08 0.00 2275.82 7.09 0.00 2283.59 7.10 0.00 2291.38 7.11 0.00 2299.18 7.12 0.00 2307.00 7.13 0.00 2314.82 7.14 0.00 2322.66 7.15 0.00 2330.51 7.16 0.00 2338.37 7.17 0.00 2346.25 7.18 0.00 2354.13 7.19 0.00 2362.03 7.20 0.00 2369.95 7.21 0.00 2377.87 7.22 0.00 2385.81 7.23 0.00 2393.76 7.24 0.00 2401.72 7.25 0.00 2409.69 7.26 0.00 2417.68 7.27 0.00 2425.68 7.28 0.00 2433.69 7.29 0.00 2441.71 7.30 0.00 2449.74 7.31 0.00 2457.79 7.32 0.00 2465.85 7.33 0.00 2473.92 7.34 0.00 2482.01 7.35 0.00 2490.10 7.36 0.00 2498.21 7.37 0.00 2506.33 7.38 0.00 2514.47 7.39 0.00 2522.61 7.40 0.00 2530.77 7.41 0.00 2538.94 7.42 0.00 2547.12 7.43 0.00 2555.32 7.44 0.00 2563.52 7.45 0.00 2571.74 7.46 0.00 2579.98 7.47 0.00 2588.22 7.48 0.00 2596.48 7.49 0.00 2604.74 7.50 0.00 2613.02 7.51 0.00 2621.32 7.52 0.00 2629.62 7.53 0.00 2637.94 7.54 0.00 2646.27 7.55 0.00 2654.61 7.56 0.00 2662.96 7.57 0.00 2671.33 7.58 0.00 2679.71 7.59 0.00 2688.10 7.60 0.00 2696.50 7.61 0.00 2704.91 7.62 0.00 2713.34 7.63 0.00 2721.78 7.64 0.00 2730.23 7.65 0.00 2738.70 7.66 0.00 2747.17 7.67 0.00 2755.66 7.68 0.00 2764.16 7.69 0.00 2772.67 7.70 0.00 2781.20 7.71 0.00 2789.73 7.72 0.00 2798.28 7.73 0.00 2806.84 7.74 0.00 2815.42 7.75 0.00 2824.00 7.76 0.00 2832.60 7.77 0.00 2841.21 7.78 0.00 2849.83 7.79 0.00 2858.46 7.80 0.00 2867.11 7.81 0.00 2875.77 7.82 0.00 2884.44 7.83 0.00 2893.12 *