# //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: 2026-10-02 21:30:02 # //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="20261002213002 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="20260930113200" BZONE="-07:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="2.50" SHIFT1="-0.13" STAGE2="3.58" SHIFT2="-0.13" STAGE3="7.83" SHIFT3="0.00" # //SHIFT_PREV COMMENT="Based on Qm 688. Decline in flow-release is probably leading to increased algae. Slightly negative shift prorated from Qm to Qm, given no major events between Qms. " # //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 1.50 -0.13 0.90 1.51 -0.13 1.00 1.52 -0.13 1.11 1.53 -0.13 1.23 1.54 -0.13 1.35 1.55 -0.13 1.49 1.56 -0.13 1.63 1.57 -0.13 1.77 1.58 -0.13 1.93 1.59 -0.13 2.09 1.60 -0.13 2.26 1.61 -0.13 2.44 1.62 -0.13 2.63 1.63 -0.13 2.82 1.64 -0.13 3.03 1.65 -0.13 3.24 1.66 -0.13 3.46 1.67 -0.13 3.69 1.68 -0.13 3.93 1.69 -0.13 4.17 1.70 -0.13 4.43 1.71 -0.13 4.69 1.72 -0.13 4.97 1.73 -0.13 5.25 1.74 -0.13 5.55 1.75 -0.13 5.85 1.76 -0.13 6.16 1.77 -0.13 6.48 1.78 -0.13 6.81 1.79 -0.13 7.16 1.80 -0.13 7.51 1.81 -0.13 7.87 1.82 -0.13 8.24 1.83 -0.13 8.62 1.84 -0.13 9.02 1.85 -0.13 9.42 1.86 -0.13 9.83 1.87 -0.13 10.26 1.88 -0.13 10.69 1.89 -0.13 11.14 1.90 -0.13 11.59 1.91 -0.13 12.06 1.92 -0.13 12.54 1.93 -0.13 13.03 1.94 -0.13 13.53 1.95 -0.13 14.04 1.96 -0.13 14.57 1.97 -0.13 15.10 1.98 -0.13 15.65 1.99 -0.13 16.21 2.00 -0.13 16.78 2.01 -0.13 17.36 2.02 -0.13 17.95 2.03 -0.13 18.56 2.04 -0.13 19.17 2.05 -0.13 19.80 2.06 -0.13 20.45 2.07 -0.13 21.10 2.08 -0.13 21.77 2.09 -0.13 22.44 2.10 -0.13 23.13 2.11 -0.13 23.84 2.12 -0.13 24.55 2.13 -0.13 25.28 2.14 -0.13 26.02 2.15 -0.13 26.78 2.16 -0.13 27.54 2.17 -0.13 28.32 2.18 -0.13 29.12 2.19 -0.13 29.92 2.20 -0.13 30.74 2.21 -0.13 31.57 2.22 -0.13 32.42 2.23 -0.13 33.28 2.24 -0.13 34.15 2.25 -0.13 35.04 2.26 -0.13 35.93 2.27 -0.13 36.85 2.28 -0.13 37.77 2.29 -0.13 38.71 2.30 -0.13 39.67 2.31 -0.13 40.64 2.32 -0.13 41.62 2.33 -0.13 42.61 2.34 -0.13 43.62 2.35 -0.13 44.65 2.36 -0.13 45.69 2.37 -0.13 46.74 2.38 -0.13 47.80 2.39 -0.13 48.88 2.40 -0.13 49.98 2.41 -0.13 51.09 2.42 -0.13 52.21 2.43 -0.13 53.35 2.44 -0.13 54.51 2.45 -0.13 55.67 2.46 -0.13 56.86 2.47 -0.13 58.06 2.48 -0.13 59.27 2.49 -0.13 60.50 2.50 -0.13 61.74 2.51 -0.13 63.00 2.52 -0.13 64.27 2.53 -0.13 65.56 2.54 -0.13 66.86 2.55 -0.13 68.18 2.56 -0.13 69.51 2.57 -0.13 70.86 2.58 -0.13 72.23 2.59 -0.13 73.61 2.60 -0.13 75.01 2.61 -0.13 76.42 2.62 -0.13 77.84 2.63 -0.13 79.29 2.64 -0.13 80.75 2.65 -0.13 82.22 2.66 -0.13 83.71 2.67 -0.13 85.22 2.68 -0.13 86.74 2.69 -0.13 88.28 2.70 -0.13 89.84 2.71 -0.13 91.41 2.72 -0.13 92.99 2.73 -0.13 94.60 2.74 -0.13 96.22 2.75 -0.13 97.85 2.76 -0.13 99.51 2.77 -0.13 101.18 2.78 -0.13 102.86 2.79 -0.13 104.57 2.80 -0.13 106.28 2.81 -0.13 108.02 2.82 -0.13 109.77 2.83 -0.13 111.54 2.84 -0.13 113.33 2.85 -0.13 115.13 2.86 -0.13 116.95 2.87 -0.13 118.79 2.88 -0.13 120.64 2.89 -0.13 122.52 2.90 -0.13 124.41 2.91 -0.13 126.31 2.92 -0.13 128.23 2.93 -0.13 130.17 2.94 -0.13 132.13 2.95 -0.13 134.11 2.96 -0.13 136.10 2.97 -0.13 138.11 2.98 -0.13 140.14 2.99 -0.13 142.18 3.00 -0.13 144.25 3.01 -0.13 146.33 3.02 -0.13 148.43 3.03 -0.13 150.54 3.04 -0.13 152.68 3.05 -0.13 154.83 3.06 -0.13 157.00 3.07 -0.13 159.19 3.08 -0.13 161.40 3.09 -0.13 163.62 3.10 -0.13 165.86 3.11 -0.13 168.12 3.12 -0.13 170.40 3.13 -0.13 172.70 3.14 -0.13 175.01 3.15 -0.13 177.35 3.16 -0.13 179.70 3.17 -0.13 182.07 3.18 -0.13 184.46 3.19 -0.13 186.87 3.20 -0.13 189.30 3.21 -0.13 191.74 3.22 -0.13 194.20 3.23 -0.13 196.69 3.24 -0.13 199.19 3.25 -0.13 201.71 3.26 -0.13 204.25 3.27 -0.13 206.81 3.28 -0.13 209.38 3.29 -0.13 211.98 3.30 -0.13 214.59 3.31 -0.13 217.23 3.32 -0.13 219.88 3.33 -0.13 222.56 3.34 -0.13 225.25 3.35 -0.13 227.96 3.36 -0.13 230.69 3.37 -0.13 233.44 3.38 -0.13 236.21 3.39 -0.13 239.00 3.40 -0.13 241.81 3.41 -0.13 244.63 3.42 -0.13 247.48 3.43 -0.13 250.35 3.44 -0.13 253.23 3.45 -0.13 256.14 3.46 -0.13 259.07 3.47 -0.13 262.01 3.48 -0.13 264.98 3.49 -0.13 267.96 3.50 -0.13 270.97 3.51 -0.13 274.00 3.52 -0.13 277.04 3.53 -0.13 280.11 3.54 -0.13 283.19 3.55 -0.13 286.30 3.56 -0.13 289.43 3.57 -0.13 292.57 3.58 -0.13 295.74 * 3.59 -0.13 299.02 3.60 -0.13 302.33 3.61 -0.13 305.66 3.62 -0.13 309.01 3.63 -0.13 312.38 3.64 -0.13 315.77 3.65 -0.13 319.19 3.66 -0.13 322.62 3.67 -0.13 326.08 3.68 -0.13 329.56 3.69 -0.13 333.07 3.70 -0.13 336.59 3.71 -0.13 340.06 3.72 -0.13 343.38 3.73 -0.13 346.71 3.74 -0.13 350.05 3.75 -0.12 353.40 3.76 -0.12 356.78 3.77 -0.12 360.16 3.78 -0.12 363.57 3.79 -0.12 366.98 3.80 -0.12 370.42 3.81 -0.12 373.86 3.82 -0.12 377.32 3.83 -0.12 380.80 3.84 -0.12 384.29 3.85 -0.12 387.80 3.86 -0.12 391.32 3.87 -0.12 394.85 3.88 -0.12 398.40 3.89 -0.12 401.97 3.90 -0.12 405.55 3.91 -0.12 409.15 3.92 -0.12 412.75 3.93 -0.12 416.38 3.94 -0.12 420.02 3.95 -0.12 423.67 3.96 -0.12 427.34 3.97 -0.12 431.02 3.98 -0.12 434.72 3.99 -0.12 438.44 4.00 -0.12 442.16 4.01 -0.12 445.90 4.02 -0.12 449.66 4.03 -0.12 453.43 4.04 -0.12 457.22 4.05 -0.12 461.02 4.06 -0.12 464.84 4.07 -0.11 468.67 4.08 -0.11 472.51 4.09 -0.11 476.37 4.10 -0.11 480.24 4.11 -0.11 484.13 4.12 -0.11 488.04 4.13 -0.11 491.95 4.14 -0.11 495.89 4.15 -0.11 499.83 4.16 -0.11 503.79 4.17 -0.11 507.77 4.18 -0.11 511.76 4.19 -0.11 515.77 4.20 -0.11 519.78 4.21 -0.11 523.82 4.22 -0.11 527.87 4.23 -0.11 531.93 4.24 -0.11 536.01 4.25 -0.11 540.10 4.26 -0.11 544.21 4.27 -0.11 548.33 4.28 -0.11 552.46 4.29 -0.11 556.61 4.30 -0.11 560.78 4.31 -0.11 564.96 4.32 -0.11 569.15 4.33 -0.11 573.36 4.34 -0.11 577.58 4.35 -0.11 581.82 4.36 -0.11 586.07 4.37 -0.11 590.33 4.38 -0.11 594.61 4.39 -0.11 598.91 4.40 -0.10 603.22 4.41 -0.10 607.54 4.42 -0.10 611.88 4.43 -0.10 616.23 4.44 -0.10 620.60 4.45 -0.10 624.98 4.46 -0.10 629.37 4.47 -0.10 633.78 4.48 -0.10 638.20 4.49 -0.10 642.64 4.50 -0.10 647.09 4.51 -0.10 651.56 4.52 -0.10 656.04 4.53 -0.10 660.53 4.54 -0.10 665.04 4.55 -0.10 669.57 4.56 -0.10 674.11 4.57 -0.10 678.66 4.58 -0.10 683.22 4.59 -0.10 687.80 4.60 -0.10 692.40 4.61 -0.10 697.01 4.62 -0.10 701.63 4.63 -0.10 706.27 4.64 -0.10 710.92 4.65 -0.10 715.59 4.66 -0.10 720.27 4.67 -0.10 724.96 4.68 -0.10 729.67 4.69 -0.10 734.39 4.70 -0.10 739.13 4.71 -0.10 743.88 4.72 -0.10 748.65 4.73 -0.09 753.43 4.74 -0.09 758.22 4.75 -0.09 763.03 4.76 -0.09 767.85 4.77 -0.09 772.68 4.78 -0.09 777.53 4.79 -0.09 782.40 4.80 -0.09 787.28 4.81 -0.09 792.17 4.82 -0.09 797.08 4.83 -0.09 802.00 4.84 -0.09 806.93 4.85 -0.09 811.88 4.86 -0.09 816.84 4.87 -0.09 821.82 4.88 -0.09 826.81 4.89 -0.09 831.82 4.90 -0.09 836.84 4.91 -0.09 841.87 4.92 -0.09 846.92 4.93 -0.09 851.98 4.94 -0.09 857.05 4.95 -0.09 862.14 4.96 -0.09 867.25 4.97 -0.09 872.36 4.98 -0.09 877.50 4.99 -0.09 882.64 5.00 -0.09 887.80 5.01 -0.09 892.98 5.02 -0.09 898.16 5.03 -0.09 903.36 5.04 -0.09 908.58 5.05 -0.09 913.81 5.06 -0.08 919.05 5.07 -0.08 924.31 5.08 -0.08 929.58 5.09 -0.08 934.87 5.10 -0.08 940.17 5.11 -0.08 945.48 5.12 -0.08 950.81 5.13 -0.08 956.15 5.14 -0.08 961.50 5.15 -0.08 966.87 5.16 -0.08 972.25 5.17 -0.08 977.65 5.18 -0.08 983.06 5.19 -0.08 988.49 5.20 -0.08 993.92 5.21 -0.08 999.38 5.22 -0.08 1004.84 5.23 -0.08 1010.32 5.24 -0.08 1015.82 5.25 -0.08 1021.32 5.26 -0.08 1026.85 5.27 -0.08 1032.38 5.28 -0.08 1037.93 5.29 -0.08 1043.49 5.30 -0.08 1049.07 5.31 -0.08 1054.66 5.32 -0.08 1060.27 5.33 -0.08 1065.89 5.34 -0.08 1071.52 5.35 -0.08 1077.16 5.36 -0.08 1082.82 5.37 -0.08 1088.50 5.38 -0.07 1094.19 5.39 -0.07 1099.89 5.40 -0.07 1105.60 5.41 -0.07 1111.33 5.42 -0.07 1117.07 5.43 -0.07 1122.83 5.44 -0.07 1128.60 5.45 -0.07 1134.39 5.46 -0.07 1140.18 5.47 -0.07 1146.00 5.48 -0.07 1151.82 5.49 -0.07 1157.66 5.50 -0.07 1163.51 5.51 -0.07 1169.38 5.52 -0.07 1175.26 5.53 -0.07 1181.15 5.54 -0.07 1187.06 5.55 -0.07 1192.98 5.56 -0.07 1198.92 5.57 -0.07 1204.87 5.58 -0.07 1210.83 5.59 -0.07 1216.81 5.60 -0.07 1222.80 5.61 -0.07 1228.80 5.62 -0.07 1234.82 5.63 -0.07 1240.85 5.64 -0.07 1246.89 5.65 -0.07 1252.95 5.66 -0.07 1259.02 5.67 -0.07 1265.11 5.68 -0.07 1271.21 5.69 -0.07 1277.32 5.70 -0.07 1283.45 5.71 -0.06 1289.59 5.72 -0.06 1295.74 5.73 -0.06 1301.91 5.74 -0.06 1308.09 5.75 -0.06 1314.29 5.76 -0.06 1320.50 5.77 -0.06 1326.72 5.78 -0.06 1332.95 5.79 -0.06 1339.20 5.80 -0.06 1345.47 5.81 -0.06 1351.74 5.82 -0.06 1358.03 5.83 -0.06 1364.34 5.84 -0.06 1370.65 5.85 -0.06 1376.99 5.86 -0.06 1383.33 5.87 -0.06 1389.69 5.88 -0.06 1396.06 5.89 -0.06 1402.45 5.90 -0.06 1408.84 5.91 -0.06 1415.26 5.92 -0.06 1421.68 5.93 -0.06 1428.12 5.94 -0.06 1434.58 5.95 -0.06 1441.04 5.96 -0.06 1447.52 5.97 -0.06 1454.02 5.98 -0.06 1460.52 5.99 -0.06 1467.04 6.00 -0.06 1473.58 6.01 -0.06 1480.13 6.02 -0.06 1486.69 6.03 -0.06 1493.26 6.04 -0.05 1499.85 6.05 -0.05 1506.45 6.06 -0.05 1513.07 6.07 -0.05 1519.70 6.08 -0.05 1526.34 6.09 -0.05 1532.99 6.10 -0.05 1539.66 6.11 -0.05 1546.35 6.12 -0.05 1553.04 6.13 -0.05 1559.75 6.14 -0.05 1566.47 6.15 -0.05 1573.21 6.16 -0.05 1579.96 6.17 -0.05 1586.72 6.18 -0.05 1593.50 6.19 -0.05 1600.29 6.20 -0.05 1607.10 6.21 -0.05 1613.91 6.22 -0.05 1620.74 6.23 -0.05 1627.59 6.24 -0.05 1634.45 6.25 -0.05 1641.32 6.26 -0.05 1648.20 6.27 -0.05 1655.10 6.28 -0.05 1662.01 6.29 -0.05 1668.93 6.30 -0.05 1675.87 6.31 -0.05 1682.82 6.32 -0.05 1689.79 6.33 -0.05 1696.77 6.34 -0.05 1703.76 6.35 -0.05 1710.76 6.36 -0.04 1717.78 6.37 -0.04 1724.81 6.38 -0.04 1731.86 6.39 -0.04 1738.92 6.40 -0.04 1745.99 6.41 -0.04 1753.07 6.42 -0.04 1760.17 6.43 -0.04 1767.28 6.44 -0.04 1774.41 6.45 -0.04 1781.55 6.46 -0.04 1788.70 6.47 -0.04 1795.86 6.48 -0.04 1803.04 6.49 -0.04 1810.23 6.50 -0.04 1817.44 6.51 -0.04 1824.66 6.52 -0.04 1831.89 6.53 -0.04 1839.14 6.54 -0.04 1846.39 6.55 -0.04 1853.67 6.56 -0.04 1860.95 6.57 -0.04 1868.25 6.58 -0.04 1875.56 6.59 -0.04 1882.89 6.60 -0.04 1890.22 6.61 -0.04 1897.58 6.62 -0.04 1904.94 6.63 -0.04 1912.32 6.64 -0.04 1919.71 6.65 -0.04 1927.11 6.66 -0.04 1934.53 6.67 -0.04 1941.96 6.68 -0.04 1949.41 6.69 -0.03 1956.87 6.70 -0.03 1964.34 6.71 -0.03 1971.82 6.72 -0.03 1979.32 6.73 -0.03 1986.83 6.74 -0.03 1994.35 6.75 -0.03 2001.89 6.76 -0.03 2009.44 6.77 -0.03 2017.00 6.78 -0.03 2024.58 6.79 -0.03 2032.17 6.80 -0.03 2039.78 6.81 -0.03 2047.39 6.82 -0.03 2055.02 6.83 -0.03 2062.66 6.84 -0.03 2070.32 6.85 -0.03 2077.99 6.86 -0.03 2085.67 6.87 -0.03 2093.37 6.88 -0.03 2101.08 6.89 -0.03 2108.80 6.90 -0.03 2116.53 6.91 -0.03 2124.28 6.92 -0.03 2132.05 6.93 -0.03 2139.82 6.94 -0.03 2147.61 6.95 -0.03 2155.41 6.96 -0.03 2163.22 6.97 -0.03 2171.05 6.98 -0.03 2178.89 6.99 -0.03 2186.75 7.00 -0.03 2194.61 7.01 -0.03 2202.49 7.02 -0.02 2210.39 7.03 -0.02 2218.29 7.04 -0.02 2226.21 7.05 -0.02 2234.15 7.06 -0.02 2242.09 7.07 -0.02 2250.05 7.08 -0.02 2258.02 7.09 -0.02 2266.01 7.10 -0.02 2274.01 7.11 -0.02 2282.02 7.12 -0.02 2290.04 7.13 -0.02 2298.08 7.14 -0.02 2306.13 7.15 -0.02 2314.19 7.16 -0.02 2322.27 7.17 -0.02 2330.36 7.18 -0.02 2338.47 7.19 -0.02 2346.58 7.20 -0.02 2354.71 7.21 -0.02 2362.85 7.22 -0.02 2371.01 7.23 -0.02 2379.18 7.24 -0.02 2387.36 7.25 -0.02 2395.55 7.26 -0.02 2403.76 7.27 -0.02 2411.98 7.28 -0.02 2420.22 7.29 -0.02 2428.46 7.30 -0.02 2436.72 7.31 -0.02 2445.00 7.32 -0.02 2453.28 7.33 -0.02 2461.58 7.34 -0.01 2469.90 7.35 -0.01 2478.22 7.36 -0.01 2486.56 7.37 -0.01 2494.91 7.38 -0.01 2503.28 7.39 -0.01 2511.65 7.40 -0.01 2520.04 7.41 -0.01 2528.45 7.42 -0.01 2536.86 7.43 -0.01 2545.29 7.44 -0.01 2553.74 7.45 -0.01 2562.19 7.46 -0.01 2570.66 7.47 -0.01 2579.14 7.48 -0.01 2587.64 7.49 -0.01 2596.14 7.50 -0.01 2604.67 7.51 -0.01 2613.20 7.52 -0.01 2621.75 7.53 -0.01 2630.31 7.54 -0.01 2638.88 7.55 -0.01 2647.46 7.56 -0.01 2656.06 7.57 -0.01 2664.67 7.58 -0.01 2673.30 7.59 -0.01 2681.94 7.60 -0.01 2690.59 7.61 -0.01 2699.25 7.62 -0.01 2707.93 7.63 -0.01 2716.62 7.64 -0.01 2725.32 7.65 -0.01 2734.03 7.66 -0.01 2742.76 7.67 0.00 2751.50 7.68 0.00 2760.26 7.69 0.00 2769.02 7.70 0.00 2777.80 7.71 0.00 2786.60 7.72 0.00 2795.40 7.73 0.00 2804.22 7.74 0.00 2813.05 7.75 0.00 2821.90 7.76 0.00 2830.76 7.77 0.00 2839.63 7.78 0.00 2848.51 7.79 0.00 2857.41 7.80 0.00 2866.32 7.81 0.00 2875.24 7.82 0.00 2884.17 7.83 0.00 2893.12 *