# //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: 2026-01-08 18:50:02 # //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="12324400 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Clark Fork ab Little Blackfoot R nr Garrison MT" # //LABEL="Discharge (ft^3/s)" # //PARAMETER CODE="00060" # //RATING SHIFTED="20260108185002 MST" # //RATING ID="3.0" TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="Rating is drawn to most positive measurements for channel control and section control. For the section control, most measurements are expected to trend negative due to the consistent algae in the channel. The second break point is assumed to be the top of bank based upon measurements and photos, a levels circuit confirming top of bank would give a better elevation. Measurements used in rating development: 4, 14, 23-24, 66, 81, 91, 93 99-100, 109-110, 116, 123-124, 130-131, 1234, 136. " # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=3.500000E+00 BREAKPOINT2=6.549860E+00 # //RATING OFFSET1=9.000000E-01 OFFSET2=1.530000E+00 OFFSET3=1.100000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20250602125723 BZONE=-07:00 END=-------------- EZONE=--- AGING=1 # //RATING_DATETIME COMMENT="End rating at GH of 3.83, diff in Q = (433.9-433.4)/433.4 X 100 = 0.01%. " # //SHIFT_PREV BEGIN="20251124092849" BZONE="-07:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="3.50" SHIFT1="-0.29" STAGE2="6.00" SHIFT2="0.00" # //SHIFT_PREV COMMENT="QM 145. Die off of macrophytes by time as daylight hours, AT and WT values decrease. " # //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 2.08 -0.29 30.50 2.09 -0.29 31.32 2.10 -0.29 32.14 2.11 -0.29 32.98 2.12 -0.29 33.83 2.13 -0.29 34.70 2.14 -0.29 35.58 2.15 -0.29 36.47 2.16 -0.29 37.37 2.17 -0.29 38.29 2.18 -0.29 39.21 2.19 -0.29 40.16 2.20 -0.29 41.11 2.21 -0.29 42.08 2.22 -0.29 43.06 2.23 -0.29 44.05 2.24 -0.29 45.06 2.25 -0.29 46.08 2.26 -0.29 47.11 2.27 -0.29 48.16 2.28 -0.29 49.21 2.29 -0.29 50.29 2.30 -0.29 51.37 2.31 -0.29 52.47 2.32 -0.29 53.58 2.33 -0.29 54.71 2.34 -0.29 55.85 2.35 -0.29 57.00 2.36 -0.29 58.17 2.37 -0.29 59.35 2.38 -0.29 60.54 2.39 -0.29 61.75 2.40 -0.29 62.97 2.41 -0.29 64.21 2.42 -0.29 65.46 2.43 -0.29 66.72 2.44 -0.29 68.00 2.45 -0.29 69.29 2.46 -0.29 70.59 2.47 -0.29 71.91 2.48 -0.29 73.24 2.49 -0.29 74.59 2.50 -0.29 75.95 2.51 -0.29 77.33 2.52 -0.29 78.72 2.53 -0.29 80.12 2.54 -0.29 81.54 2.55 -0.29 82.97 2.56 -0.29 84.42 2.57 -0.29 85.88 2.58 -0.29 87.36 2.59 -0.29 88.85 2.60 -0.29 90.35 2.61 -0.29 91.87 2.62 -0.29 93.41 2.63 -0.29 94.96 2.64 -0.29 96.52 2.65 -0.29 98.10 2.66 -0.29 99.69 2.67 -0.29 101.30 2.68 -0.29 102.92 2.69 -0.29 104.56 2.70 -0.29 106.21 2.71 -0.29 107.88 2.72 -0.29 109.57 2.73 -0.29 111.26 2.74 -0.29 112.98 2.75 -0.29 114.70 2.76 -0.29 116.45 2.77 -0.29 118.20 2.78 -0.29 119.98 2.79 -0.29 121.77 2.80 -0.29 123.57 2.81 -0.29 125.39 2.82 -0.29 127.22 2.83 -0.29 129.07 2.84 -0.29 130.94 2.85 -0.29 132.82 2.86 -0.29 134.72 2.87 -0.29 136.63 2.88 -0.29 138.56 2.89 -0.29 140.50 2.90 -0.29 142.46 2.91 -0.29 144.43 2.92 -0.29 146.42 2.93 -0.29 148.43 2.94 -0.29 150.45 2.95 -0.29 152.48 2.96 -0.29 154.54 2.97 -0.29 156.61 2.98 -0.29 158.69 2.99 -0.29 160.79 3.00 -0.29 162.91 3.01 -0.29 165.04 3.02 -0.29 167.19 3.03 -0.29 169.35 3.04 -0.29 171.53 3.05 -0.29 173.73 3.06 -0.29 175.94 3.07 -0.29 178.17 3.08 -0.29 180.42 3.09 -0.29 182.68 3.10 -0.29 184.95 3.11 -0.29 187.25 3.12 -0.29 189.56 3.13 -0.29 191.88 3.14 -0.29 194.23 3.15 -0.29 196.59 3.16 -0.29 198.96 3.17 -0.29 201.35 3.18 -0.29 203.76 3.19 -0.29 206.19 3.20 -0.29 208.63 3.21 -0.29 211.09 3.22 -0.29 213.56 3.23 -0.29 216.05 3.24 -0.29 218.56 3.25 -0.29 221.09 3.26 -0.29 223.63 3.27 -0.29 226.19 3.28 -0.29 228.76 3.29 -0.29 231.35 3.30 -0.29 233.96 3.31 -0.29 236.59 3.32 -0.29 239.23 3.33 -0.29 241.89 3.34 -0.29 244.57 3.35 -0.29 247.26 3.36 -0.29 249.97 3.37 -0.29 252.70 3.38 -0.29 255.44 3.39 -0.29 258.20 3.40 -0.29 260.98 3.41 -0.29 263.78 3.42 -0.29 266.59 3.43 -0.29 269.42 3.44 -0.29 272.27 3.45 -0.29 275.13 3.46 -0.29 278.01 3.47 -0.29 280.91 3.48 -0.29 283.83 3.49 -0.29 286.76 3.50 -0.29 289.72 * 3.51 -0.29 293.03 3.52 -0.29 296.37 3.53 -0.29 299.72 3.54 -0.29 303.10 3.55 -0.28 306.51 3.56 -0.28 309.93 3.57 -0.28 313.38 3.58 -0.28 316.84 3.59 -0.28 320.33 3.60 -0.28 323.84 3.61 -0.28 327.38 3.62 -0.28 330.93 3.63 -0.27 334.51 3.64 -0.27 338.11 3.65 -0.27 341.73 3.66 -0.27 345.38 3.67 -0.27 349.04 3.68 -0.27 352.73 3.69 -0.27 356.45 3.70 -0.27 360.18 3.71 -0.27 363.94 3.72 -0.26 367.71 3.73 -0.26 371.52 3.74 -0.26 375.34 3.75 -0.26 379.19 3.76 -0.26 383.05 3.77 -0.26 386.81 3.78 -0.26 390.57 3.79 -0.26 394.36 3.80 -0.26 398.16 3.81 -0.25 401.97 3.82 -0.25 405.80 3.83 -0.25 409.64 3.84 -0.25 413.50 3.85 -0.25 417.38 3.86 -0.25 421.27 3.87 -0.25 425.17 3.88 -0.25 429.10 3.89 -0.24 433.03 3.90 -0.24 436.98 3.91 -0.24 440.95 3.92 -0.24 444.93 3.93 -0.24 448.92 3.94 -0.24 452.94 3.95 -0.24 456.96 3.96 -0.24 461.00 3.97 -0.24 465.06 3.98 -0.23 469.13 3.99 -0.23 473.21 4.00 -0.23 477.31 4.01 -0.23 481.43 4.02 -0.23 485.56 4.03 -0.23 489.71 4.04 -0.23 493.87 4.05 -0.23 498.04 4.06 -0.23 502.23 4.07 -0.22 506.43 4.08 -0.22 510.65 4.09 -0.22 514.89 4.10 -0.22 519.14 4.11 -0.22 523.40 4.12 -0.22 527.68 4.13 -0.22 531.97 4.14 -0.22 536.28 4.15 -0.21 540.60 4.16 -0.21 544.93 4.17 -0.21 549.28 4.18 -0.21 553.65 4.19 -0.21 558.03 4.20 -0.21 562.42 4.21 -0.21 566.83 4.22 -0.21 571.26 4.23 -0.21 575.69 4.24 -0.20 580.15 4.25 -0.20 584.61 4.26 -0.20 589.09 4.27 -0.20 593.59 4.28 -0.20 598.10 4.29 -0.20 602.62 4.30 -0.20 607.16 4.31 -0.20 611.71 4.32 -0.19 616.28 4.33 -0.19 620.86 4.34 -0.19 625.46 4.35 -0.19 630.07 4.36 -0.19 634.69 4.37 -0.19 639.33 4.38 -0.19 643.98 4.39 -0.19 648.65 4.40 -0.19 653.33 4.41 -0.18 658.02 4.42 -0.18 662.73 4.43 -0.18 667.46 4.44 -0.18 672.19 4.45 -0.18 676.94 4.46 -0.18 681.71 4.47 -0.18 686.49 4.48 -0.18 691.28 4.49 -0.18 696.09 4.50 -0.17 700.91 4.51 -0.17 705.75 4.52 -0.17 710.60 4.53 -0.17 715.46 4.54 -0.17 720.34 4.55 -0.17 725.23 4.56 -0.17 730.13 4.57 -0.17 735.05 4.58 -0.16 739.99 4.59 -0.16 744.93 4.60 -0.16 749.89 4.61 -0.16 754.87 4.62 -0.16 759.86 4.63 -0.16 764.86 4.64 -0.16 769.88 4.65 -0.16 774.91 4.66 -0.16 779.95 4.67 -0.15 785.01 4.68 -0.15 790.08 4.69 -0.15 795.16 4.70 -0.15 800.26 4.71 -0.15 805.37 4.72 -0.15 810.50 4.73 -0.15 815.64 4.74 -0.15 820.79 4.75 -0.14 825.96 4.76 -0.14 831.14 4.77 -0.14 836.33 4.78 -0.14 841.54 4.79 -0.14 846.76 4.80 -0.14 852.00 4.81 -0.14 857.25 4.82 -0.14 862.51 4.83 -0.14 867.78 4.84 -0.13 873.07 4.85 -0.13 878.38 4.86 -0.13 883.69 4.87 -0.13 889.02 4.88 -0.13 894.36 4.89 -0.13 899.72 4.90 -0.13 905.09 4.91 -0.13 910.47 4.92 -0.13 915.87 4.93 -0.12 921.28 4.94 -0.12 926.70 4.95 -0.12 932.14 4.96 -0.12 937.59 4.97 -0.12 943.06 4.98 -0.12 948.53 4.99 -0.12 954.02 5.00 -0.12 959.53 5.01 -0.11 965.04 5.02 -0.11 970.57 5.03 -0.11 976.12 5.04 -0.11 981.67 5.05 -0.11 987.24 5.06 -0.11 992.83 5.07 -0.11 998.42 5.08 -0.11 1004.03 5.09 -0.11 1009.66 5.10 -0.10 1015.29 5.11 -0.10 1020.94 5.12 -0.10 1026.61 5.13 -0.10 1032.28 5.14 -0.10 1037.97 5.15 -0.10 1043.67 5.16 -0.10 1049.39 5.17 -0.10 1055.12 5.18 -0.10 1060.86 5.19 -0.09 1066.61 5.20 -0.09 1072.38 5.21 -0.09 1078.16 5.22 -0.09 1083.96 5.23 -0.09 1089.76 5.24 -0.09 1095.58 5.25 -0.09 1101.42 5.26 -0.09 1107.26 5.27 -0.08 1113.12 5.28 -0.08 1118.99 5.29 -0.08 1124.88 5.30 -0.08 1130.78 5.31 -0.08 1136.69 5.32 -0.08 1142.61 5.33 -0.08 1148.55 5.34 -0.08 1154.50 5.35 -0.08 1160.46 5.36 -0.07 1166.43 5.37 -0.07 1172.42 5.38 -0.07 1178.42 5.39 -0.07 1184.44 5.40 -0.07 1190.47 5.41 -0.07 1196.51 5.42 -0.07 1202.56 5.43 -0.07 1208.62 5.44 -0.06 1214.70 5.45 -0.06 1220.79 5.46 -0.06 1226.90 5.47 -0.06 1233.02 5.48 -0.06 1239.15 5.49 -0.06 1245.29 5.50 -0.06 1251.44 5.51 -0.06 1257.61 5.52 -0.06 1263.79 5.53 -0.05 1269.99 5.54 -0.05 1276.19 5.55 -0.05 1282.41 5.56 -0.05 1288.64 5.57 -0.05 1294.89 5.58 -0.05 1301.14 5.59 -0.05 1307.41 5.60 -0.05 1313.70 5.61 -0.05 1319.99 5.62 -0.04 1326.30 5.63 -0.04 1332.62 5.64 -0.04 1338.95 5.65 -0.04 1345.30 5.66 -0.04 1351.66 5.67 -0.04 1358.03 5.68 -0.04 1364.41 5.69 -0.04 1370.81 5.70 -0.03 1377.22 5.71 -0.03 1383.64 5.72 -0.03 1390.07 5.73 -0.03 1396.52 5.74 -0.03 1402.98 5.75 -0.03 1409.45 5.76 -0.03 1415.93 5.77 -0.03 1422.43 5.78 -0.03 1428.94 5.79 -0.02 1435.46 5.80 -0.02 1441.99 5.81 -0.02 1448.54 5.82 -0.02 1455.10 5.83 -0.02 1461.67 5.84 -0.02 1468.25 5.85 -0.02 1474.85 5.86 -0.02 1481.46 5.87 -0.02 1488.08 5.88 -0.01 1494.71 5.89 -0.01 1501.36 5.90 -0.01 1508.02 5.91 -0.01 1514.69 5.92 -0.01 1521.37 5.93 -0.01 1528.07 5.94 -0.01 1534.77 5.95 -0.01 1541.49 5.96 0.00 1548.23 5.97 0.00 1554.97 5.98 0.00 1561.73 5.99 0.00 1568.50 6.00 0.00 1575.28 6.01 0.00 1581.37 6.02 0.00 1587.47 6.03 0.00 1593.57 6.04 0.00 1599.69 6.05 0.00 1605.82 6.06 0.00 1611.95 6.07 0.00 1618.10 6.08 0.00 1624.26 6.09 0.00 1630.42 6.10 0.00 1636.60 6.11 0.00 1642.78 6.12 0.00 1648.98 6.13 0.00 1655.18 6.14 0.00 1661.40 6.15 0.00 1667.62 6.16 0.00 1673.86 6.17 0.00 1680.10 6.18 0.00 1686.36 6.19 0.00 1692.62 6.20 0.00 1698.90 6.21 0.00 1705.18 6.22 0.00 1711.47 6.23 0.00 1717.78 6.24 0.00 1724.09 6.25 0.00 1730.41 6.26 0.00 1736.74 6.27 0.00 1743.09 6.28 0.00 1749.44 6.29 0.00 1755.80 6.30 0.00 1762.17 6.31 0.00 1768.55 6.32 0.00 1774.94 6.33 0.00 1781.34 6.34 0.00 1787.75 6.35 0.00 1794.17 6.36 0.00 1800.60 6.37 0.00 1807.04 6.38 0.00 1813.49 6.39 0.00 1819.95 6.40 0.00 1826.42 6.41 0.00 1832.89 6.42 0.00 1839.38 6.43 0.00 1845.88 6.44 0.00 1852.46 * 6.45 0.00 1859.46 6.46 0.00 1866.47 6.47 0.00 1873.49 6.48 0.00 1880.52 6.49 0.00 1887.57 6.50 0.00 1894.63 6.51 0.00 1901.70 6.52 0.00 1908.78 6.53 0.00 1915.87 6.54 0.00 1922.98 6.55 0.00 1930.12 * 6.56 0.00 1938.96 6.57 0.00 1947.83 6.58 0.00 1956.71 6.59 0.00 1965.63 6.60 0.00 1974.56 6.61 0.00 1983.52 6.62 0.00 1992.51 6.63 0.00 2001.52 6.64 0.00 2010.55 6.65 0.00 2019.61 6.66 0.00 2028.66 * 6.67 0.00 2037.47 6.68 0.00 2046.31 6.69 0.00 2055.17 6.70 0.00 2064.05 6.71 0.00 2072.96 6.72 0.00 2081.89 6.73 0.00 2090.84 6.74 0.00 2099.81 6.75 0.00 2108.81 6.76 0.00 2117.82 6.77 0.00 2126.87 6.78 0.00 2135.93 6.79 0.00 2145.01 6.80 0.00 2154.12 6.81 0.00 2163.25 6.82 0.00 2172.41 6.83 0.00 2181.58 6.84 0.00 2190.78 6.85 0.00 2200.00 6.86 0.00 2209.25 6.87 0.00 2218.51 6.88 0.00 2227.80 6.89 0.00 2237.12 6.90 0.00 2246.45 6.91 0.00 2255.81 6.92 0.00 2265.19 6.93 0.00 2274.59 6.94 0.00 2284.02 6.95 0.00 2293.47 6.96 0.00 2302.94 6.97 0.00 2312.44 6.98 0.00 2321.95 6.99 0.00 2331.50 7.00 0.00 2341.06 7.01 0.00 2350.65 7.02 0.00 2360.26 7.03 0.00 2369.89 7.04 0.00 2379.54 7.05 0.00 2389.22 7.06 0.00 2398.92 7.07 0.00 2408.65 7.08 0.00 2418.40 7.09 0.00 2428.17 7.10 0.00 2437.96 7.11 0.00 2447.78 7.12 0.00 2457.62 7.13 0.00 2467.48 7.14 0.00 2477.37 7.15 0.00 2487.27 7.16 0.00 2497.21 7.17 0.00 2507.16 7.18 0.00 2517.14 7.19 0.00 2527.14 7.20 0.00 2537.17 7.21 0.00 2547.22 7.22 0.00 2557.29 7.23 0.00 2567.38 7.24 0.00 2577.50 7.25 0.00 2587.65 7.26 0.00 2597.81 7.27 0.00 2608.00 7.28 0.00 2618.21 7.29 0.00 2628.45 7.30 0.00 2638.70 7.31 0.00 2648.99 7.32 0.00 2659.29 7.33 0.00 2669.62 7.34 0.00 2679.97 7.35 0.00 2690.35 7.36 0.00 2700.75 7.37 0.00 2711.17 7.38 0.00 2721.62 7.39 0.00 2732.09 7.40 0.00 2742.58 7.41 0.00 2753.10 7.42 0.00 2763.64 7.43 0.00 2774.20 7.44 0.00 2784.79 7.45 0.00 2795.40 7.46 0.00 2806.04 7.47 0.00 2816.69 7.48 0.00 2827.38 7.49 0.00 2838.08 7.50 0.00 2848.81 7.51 0.00 2859.57 7.52 0.00 2870.34 7.53 0.00 2881.14 7.54 0.00 2891.97 7.55 0.00 2902.82 7.56 0.00 2913.69 7.57 0.00 2924.58 7.58 0.00 2935.50 7.59 0.00 2946.45 7.60 0.00 2957.42 7.61 0.00 2968.41 *