# //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: 2026-06-15 19:25:01 # //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="06025250 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Big Hole River at Maiden Rock nr Divide MT" # //LABEL="Discharge (ft^3/s)" # //PARAMETER CODE="00060" # //RATING SHIFTED="20260615192501 MST" # //RATING ID="5.0" TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="Rating 5.0 created from clear control conditions from the past 5 to 10 years, most emphasis on recent Qms though, as a negative trend was observed. \\n\\nMost recent GZF from 2019 was used to help loosely determine the offset, but Rating will be adjusted once a new GZF is obtained in 2026. Lowered BP to encompass more of the combined section/channel control Qms. Extended upper end within 2X the highest Qm. " # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=4.300000E+00 # //RATING OFFSET1=1.720000E+00 OFFSET2=1.240000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20250419143000 BZONE=-07:00 END=-------------- EZONE=--- AGING=1 # //RATING_DATETIME COMMENT="Beginning of new Rating 5.0" # //SHIFT_PREV BEGIN="20260615103622" BZONE="-07:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="2.32" SHIFT1="0.04" STAGE2="4.30" SHIFT2="0.00" # //SHIFT_PREV COMMENT="Slight scour since last Qm. Several large events in recent weeks starting right after Qm 162. Shift 4 Based on Qm 163. " # //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 2.28 0.04 79.93 2.29 0.04 82.72 2.30 0.04 85.56 2.31 0.04 88.45 2.32 0.04 91.39 * 2.33 0.04 94.32 2.34 0.04 97.29 2.35 0.04 100.32 2.36 0.04 103.39 2.37 0.04 106.51 2.38 0.04 109.68 2.39 0.04 112.89 2.40 0.04 116.15 2.41 0.04 119.47 2.42 0.04 122.83 2.43 0.04 126.24 2.44 0.04 129.69 2.45 0.04 133.20 2.46 0.04 136.75 2.47 0.04 140.36 2.48 0.04 144.01 2.49 0.04 147.71 2.50 0.04 151.46 2.51 0.04 155.25 2.52 0.04 159.10 2.53 0.04 162.99 2.54 0.04 166.94 2.55 0.04 170.93 2.56 0.04 174.97 2.57 0.03 179.06 2.58 0.03 183.20 2.59 0.03 187.39 2.60 0.03 191.62 2.61 0.03 195.91 2.62 0.03 200.25 2.63 0.03 204.63 2.64 0.03 209.07 2.65 0.03 213.55 2.66 0.03 218.08 2.67 0.03 222.66 2.68 0.03 227.29 2.69 0.03 231.98 2.70 0.03 236.71 2.71 0.03 241.49 2.72 0.03 246.31 2.73 0.03 251.19 2.74 0.03 256.12 2.75 0.03 261.10 2.76 0.03 266.13 2.77 0.03 271.21 2.78 0.03 276.33 2.79 0.03 281.51 2.80 0.03 286.74 2.81 0.03 292.01 2.82 0.03 297.34 2.83 0.03 302.72 2.84 0.03 308.14 2.85 0.03 313.62 2.86 0.03 319.14 2.87 0.03 324.72 2.88 0.03 330.35 2.89 0.03 336.02 2.90 0.03 341.75 2.91 0.03 347.53 2.92 0.03 353.35 2.93 0.03 359.23 2.94 0.03 365.16 2.95 0.03 371.14 2.96 0.03 377.17 2.97 0.03 383.24 2.98 0.03 389.37 2.99 0.03 395.55 3.00 0.03 401.78 3.01 0.03 408.06 3.02 0.03 414.39 3.03 0.03 420.77 3.04 0.03 427.20 3.05 0.03 433.69 3.06 0.03 440.22 3.07 0.02 446.80 3.08 0.02 453.44 3.09 0.02 460.12 3.10 0.02 466.86 3.11 0.02 473.64 3.12 0.02 480.48 3.13 0.02 487.37 3.14 0.02 494.31 3.15 0.02 501.30 3.16 0.02 508.34 3.17 0.02 515.43 3.18 0.02 522.57 3.19 0.02 529.76 3.20 0.02 537.01 3.21 0.02 544.30 3.22 0.02 551.65 3.23 0.02 559.05 3.24 0.02 566.49 3.25 0.02 573.99 3.26 0.02 581.54 3.27 0.02 589.14 3.28 0.02 596.80 3.29 0.02 604.50 3.30 0.02 612.26 3.31 0.02 620.06 3.32 0.02 627.92 3.33 0.02 635.83 3.34 0.02 643.79 3.35 0.02 651.80 3.36 0.02 659.86 3.37 0.02 667.98 3.38 0.02 676.14 3.39 0.02 684.36 3.40 0.02 692.63 3.41 0.02 700.95 3.42 0.02 709.32 3.43 0.02 717.74 3.44 0.02 726.22 3.45 0.02 734.74 3.46 0.02 743.32 3.47 0.02 751.95 3.48 0.02 760.63 3.49 0.02 769.36 3.50 0.02 778.15 3.51 0.02 786.98 3.52 0.02 795.87 3.53 0.02 804.81 3.54 0.02 813.80 3.55 0.02 822.84 3.56 0.01 831.94 3.57 0.01 841.08 3.58 0.01 850.28 3.59 0.01 859.53 3.60 0.01 868.83 3.61 0.01 878.19 3.62 0.01 887.59 3.63 0.01 897.05 3.64 0.01 906.56 3.65 0.01 916.12 3.66 0.01 925.74 3.67 0.01 935.40 3.68 0.01 945.12 3.69 0.01 954.89 3.70 0.01 964.71 3.71 0.01 974.59 3.72 0.01 984.51 3.73 0.01 994.49 3.74 0.01 1004.52 3.75 0.01 1014.60 3.76 0.01 1024.74 3.77 0.01 1034.92 3.78 0.01 1045.16 3.79 0.01 1055.45 3.80 0.01 1065.80 3.81 0.01 1076.19 3.82 0.01 1086.64 3.83 0.01 1097.14 3.84 0.01 1107.69 3.85 0.01 1118.30 3.86 0.01 1128.96 3.87 0.01 1139.67 3.88 0.01 1150.43 3.89 0.01 1161.24 3.90 0.01 1172.11 3.91 0.01 1183.03 3.92 0.01 1194.00 3.93 0.01 1205.03 3.94 0.01 1216.11 3.95 0.01 1227.24 3.96 0.01 1238.42 3.97 0.01 1249.65 3.98 0.01 1260.94 3.99 0.01 1272.28 4.00 0.01 1283.67 4.01 0.01 1295.12 4.02 0.01 1306.62 4.03 0.01 1318.17 4.04 0.01 1329.77 4.05 0.01 1341.42 4.06 0.00 1353.13 4.07 0.00 1364.89 4.08 0.00 1376.71 4.09 0.00 1388.58 4.10 0.00 1400.50 4.11 0.00 1412.47 4.12 0.00 1424.49 4.13 0.00 1436.57 4.14 0.00 1448.70 4.15 0.00 1460.89 4.16 0.00 1473.12 4.17 0.00 1485.41 4.18 0.00 1497.76 4.19 0.00 1510.15 4.20 0.00 1522.60 4.21 0.00 1535.10 4.22 0.00 1547.66 4.23 0.00 1560.26 4.24 0.00 1572.92 4.25 0.00 1585.64 4.26 0.00 1598.40 4.27 0.00 1611.22 4.28 0.00 1624.10 4.29 0.00 1637.02 4.30 0.00 1650.00 * 4.31 0.00 1662.59 4.32 0.00 1675.24 4.33 0.00 1687.95 4.34 0.00 1700.71 4.35 0.00 1713.52 4.36 0.00 1726.39 4.37 0.00 1739.31 4.38 0.00 1752.29 4.39 0.00 1765.32 4.40 0.00 1778.41 4.41 0.00 1791.56 4.42 0.00 1804.76 4.43 0.00 1818.01 4.44 0.00 1831.32 4.45 0.00 1844.69 4.46 0.00 1858.11 4.47 0.00 1871.59 4.48 0.00 1885.12 4.49 0.00 1898.71 4.50 0.00 1912.35 4.51 0.00 1926.05 4.52 0.00 1939.81 4.53 0.00 1953.62 4.54 0.00 1967.48 4.55 0.00 1981.41 4.56 0.00 1995.39 4.57 0.00 2009.42 4.58 0.00 2023.51 4.59 0.00 2037.66 4.60 0.00 2051.87 4.61 0.00 2066.13 4.62 0.00 2080.44 4.63 0.00 2094.82 4.64 0.00 2109.25 4.65 0.00 2123.74 4.66 0.00 2138.28 4.67 0.00 2152.88 4.68 0.00 2167.54 4.69 0.00 2182.25 4.70 0.00 2197.02 4.71 0.00 2211.85 4.72 0.00 2226.73 4.73 0.00 2241.67 4.74 0.00 2256.67 4.75 0.00 2271.73 4.76 0.00 2286.84 4.77 0.00 2302.01 4.78 0.00 2317.24 4.79 0.00 2332.52 4.80 0.00 2347.86 4.81 0.00 2363.26 4.82 0.00 2378.72 4.83 0.00 2394.24 4.84 0.00 2409.81 4.85 0.00 2425.44 4.86 0.00 2441.13 4.87 0.00 2456.87 4.88 0.00 2472.67 4.89 0.00 2488.54 4.90 0.00 2504.45 4.91 0.00 2520.43 4.92 0.00 2536.47 4.93 0.00 2552.56 4.94 0.00 2568.71 4.95 0.00 2584.92 4.96 0.00 2601.19 4.97 0.00 2617.51 4.98 0.00 2633.90 4.99 0.00 2650.34 5.00 0.00 2666.84 5.01 0.00 2683.40 5.02 0.00 2700.02 5.03 0.00 2716.70 5.04 0.00 2733.43 5.05 0.00 2750.23 5.06 0.00 2767.08 5.07 0.00 2783.99 5.08 0.00 2800.96 5.09 0.00 2817.99 5.10 0.00 2835.08 5.11 0.00 2852.23 5.12 0.00 2869.43 5.13 0.00 2886.70 5.14 0.00 2904.02 5.15 0.00 2921.41 5.16 0.00 2938.85 5.17 0.00 2956.35 5.18 0.00 2973.92 5.19 0.00 2991.54 5.20 0.00 3009.22 5.21 0.00 3026.96 5.22 0.00 3044.76 5.23 0.00 3062.62 5.24 0.00 3080.54 5.25 0.00 3098.51 5.26 0.00 3116.55 5.27 0.00 3134.65 5.28 0.00 3152.81 5.29 0.00 3171.03 5.30 0.00 3189.31 5.31 0.00 3207.64 5.32 0.00 3226.04 5.33 0.00 3244.50 5.34 0.00 3263.02 5.35 0.00 3281.60 5.36 0.00 3300.24 5.37 0.00 3318.94 5.38 0.00 3337.70 5.39 0.00 3356.52 5.40 0.00 3375.40 5.41 0.00 3394.34 5.42 0.00 3413.34 5.43 0.00 3432.40 5.44 0.00 3451.52 5.45 0.00 3470.71 5.46 0.00 3489.95 5.47 0.00 3509.25 5.48 0.00 3528.62 5.49 0.00 3548.05 5.50 0.00 3567.53 5.51 0.00 3587.08 5.52 0.00 3606.69 5.53 0.00 3626.36 5.54 0.00 3646.09 5.55 0.00 3665.89 5.56 0.00 3685.74 5.57 0.00 3705.66 5.58 0.00 3725.63 5.59 0.00 3745.67 5.60 0.00 3765.77 5.61 0.00 3785.93 5.62 0.00 3806.15 5.63 0.00 3826.44 5.64 0.00 3846.78 5.65 0.00 3867.19 5.66 0.00 3887.66 5.67 0.00 3908.19 5.68 0.00 3928.78 5.69 0.00 3949.43 5.70 0.00 3970.15 5.71 0.00 3990.92 5.72 0.00 4011.76 5.73 0.00 4032.67 5.74 0.00 4053.63 5.75 0.00 4074.65 5.76 0.00 4095.74 5.77 0.00 4116.89 5.78 0.00 4138.10 5.79 0.00 4159.38 5.80 0.00 4180.71 5.81 0.00 4202.11 5.82 0.00 4223.58 5.83 0.00 4245.10 5.84 0.00 4266.69 5.85 0.00 4288.33 5.86 0.00 4310.05 5.87 0.00 4331.82 5.88 0.00 4353.66 5.89 0.00 4375.56 5.90 0.00 4397.52 5.91 0.00 4419.54 5.92 0.00 4441.63 5.93 0.00 4463.78 5.94 0.00 4485.99 5.95 0.00 4508.27 5.96 0.00 4530.61 5.97 0.00 4553.01 5.98 0.00 4575.48 5.99 0.00 4598.01 6.00 0.00 4620.60 6.01 0.00 4643.26 6.02 0.00 4665.97 6.03 0.00 4688.76 6.04 0.00 4711.60 6.05 0.00 4734.51 6.06 0.00 4757.48 6.07 0.00 4780.52 6.08 0.00 4803.62 6.09 0.00 4826.78 6.10 0.00 4850.01 6.11 0.00 4873.30 6.12 0.00 4896.65 6.13 0.00 4920.07 6.14 0.00 4943.55 6.15 0.00 4967.10 6.16 0.00 4990.71 6.17 0.00 5014.38 6.18 0.00 5038.12 6.19 0.00 5061.92 6.20 0.00 5085.78 6.21 0.00 5109.71 6.22 0.00 5133.71 6.23 0.00 5157.76 6.24 0.00 5181.89 6.25 0.00 5206.07 6.26 0.00 5230.32 6.27 0.00 5254.64 6.28 0.00 5279.02 6.29 0.00 5303.46 6.30 0.00 5327.97 6.31 0.00 5352.54 6.32 0.00 5377.18 6.33 0.00 5401.88 6.34 0.00 5426.65 6.35 0.00 5451.48 6.36 0.00 5476.38 6.37 0.00 5501.34 * 6.38 0.00 5527.78 6.39 0.00 5555.05 6.40 0.00 5582.41 6.41 0.00 5609.84 6.42 0.00 5637.36 6.43 0.00 5664.96 6.44 0.00 5692.63 6.45 0.00 5720.40 6.46 0.00 5748.24 6.47 0.00 5776.16 6.48 0.00 5804.17 6.49 0.00 5832.26 6.50 0.00 5860.43 6.51 0.00 5888.68 6.52 0.00 5917.02 6.53 0.00 5945.44 6.54 0.00 5973.94 6.55 0.00 6002.52 6.56 0.00 6031.18 6.57 0.00 6059.93 6.58 0.00 6088.76 6.59 0.00 6117.68 6.60 0.00 6146.67 6.61 0.00 6175.75 6.62 0.00 6204.91 6.63 0.00 6234.16 6.64 0.00 6263.49 6.65 0.00 6292.90 6.66 0.00 6322.40 6.67 0.00 6351.97 6.68 0.00 6381.64 6.69 0.00 6411.38 6.70 0.00 6441.21 6.71 0.00 6471.13 6.72 0.00 6501.13 6.73 0.00 6531.21 6.74 0.00 6561.37 6.75 0.00 6591.62 6.76 0.00 6621.96 6.77 0.00 6652.38 6.78 0.00 6682.88 6.79 0.00 6713.47 6.80 0.00 6744.14 6.81 0.00 6774.89 6.82 0.00 6805.74 6.83 0.00 6836.66 6.84 0.00 6867.67 6.85 0.00 6898.77 6.86 0.00 6929.95 6.87 0.00 6961.22 6.88 0.00 6992.57 6.89 0.00 7024.00 6.90 0.00 7055.53 6.91 0.00 7087.13 6.92 0.00 7118.83 6.93 0.00 7150.61 6.94 0.00 7182.47 6.95 0.00 7214.42 6.96 0.00 7246.46 6.97 0.00 7278.58 6.98 0.00 7310.78 6.99 0.00 7343.08 7.00 0.00 7375.46 7.01 0.00 7407.93 7.02 0.00 7440.48 7.03 0.00 7473.12 7.04 0.00 7505.84 7.05 0.00 7538.65 7.06 0.00 7571.55 7.07 0.00 7604.54 7.08 0.00 7637.61 7.09 0.00 7670.77 7.10 0.00 7704.02 7.11 0.00 7737.35 7.12 0.00 7770.77 7.13 0.00 7804.28 7.14 0.00 7837.87 7.15 0.00 7871.55 7.16 0.00 7905.32 7.17 0.00 7939.18 7.18 0.00 7973.12 7.19 0.00 8007.16 7.20 0.00 8041.28 7.21 0.00 8075.48 7.22 0.00 8109.78 7.23 0.00 8144.16 7.24 0.00 8178.64 7.25 0.00 8213.20 7.26 0.00 8247.84 7.27 0.00 8282.58 7.28 0.00 8317.40 7.29 0.00 8352.32 7.30 0.00 8387.32 7.31 0.00 8422.41 7.32 0.00 8457.59 7.33 0.00 8492.86 7.34 0.00 8528.21 7.35 0.00 8563.66 7.36 0.00 8599.19 7.37 0.00 8634.82 7.38 0.00 8670.53 7.39 0.00 8706.33 7.40 0.00 8742.22 7.41 0.00 8778.20 7.42 0.00 8814.27 7.43 0.00 8850.43 7.44 0.00 8886.68 7.45 0.00 8923.02 7.46 0.00 8959.45 7.47 0.00 8995.97 7.48 0.00 9032.58 7.49 0.00 9069.28 7.50 0.00 9106.07 7.51 0.00 9142.94 7.52 0.00 9179.91 7.53 0.00 9216.97 7.54 0.00 9254.12 7.55 0.00 9291.36 7.56 0.00 9328.69 7.57 0.00 9366.11 7.58 0.00 9403.63 7.59 0.00 9441.23 7.60 0.00 9478.92 7.61 0.00 9516.71 7.62 0.00 9554.58 7.63 0.00 9592.55 7.64 0.00 9630.61 7.65 0.00 9668.76 7.66 0.00 9707.00 7.67 0.00 9745.33 7.68 0.00 9783.75 7.69 0.00 9822.27 7.70 0.00 9860.87 7.71 0.00 9899.57 7.72 0.00 9938.36 7.73 0.00 9977.24 7.74 0.00 10016.21 7.75 0.00 10055.28 7.76 0.00 10094.44 7.77 0.00 10133.69 7.78 0.00 10173.03 7.79 0.00 10212.46 7.80 0.00 10251.99 7.81 0.00 10291.61 7.82 0.00 10331.32 7.83 0.00 10371.12 7.84 0.00 10411.02 7.85 0.00 10451.01 7.86 0.00 10491.09 7.87 0.00 10531.26 7.88 0.00 10571.53 7.89 0.00 10611.89 7.90 0.00 10652.35 7.91 0.00 10692.89 7.92 0.00 10733.53 7.93 0.00 10774.27 7.94 0.00 10815.09 7.95 0.00 10856.01 7.96 0.00 10897.03 7.97 0.00 10938.14 7.98 0.00 10979.34 7.99 0.00 11020.63 8.00 0.00 11062.02 8.01 0.00 11103.50 8.02 0.00 11145.08 8.03 0.00 11186.75 8.04 0.00 11228.52 8.05 0.00 11270.38 8.06 0.00 11312.33 8.07 0.00 11354.38 8.08 0.00 11396.52 8.09 0.00 11438.76 8.10 0.00 11481.09 8.11 0.00 11523.51 8.12 0.00 11566.03 8.13 0.00 11608.65 *