# //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: 2026-09-28 23:55:01 # //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="20260928235501 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="20260928095600" BZONE="-07:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="2.32" SHIFT1="-0.06" STAGE2="4.30" SHIFT2="0.00" # //SHIFT_PREV COMMENT="Based on Qm 165 and moderate algae growth. Small debris pile in Left channel at Control (minor impacts). Historic trends are scattered. " # //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 2.38 -0.06 80.44 2.39 -0.06 83.32 2.40 -0.06 86.26 2.41 -0.06 89.25 2.42 -0.06 92.29 2.43 -0.06 95.39 2.44 -0.06 98.53 2.45 -0.06 101.74 2.46 -0.06 104.99 2.47 -0.06 108.30 2.48 -0.06 111.66 2.49 -0.05 115.07 2.50 -0.05 118.54 2.51 -0.05 122.06 2.52 -0.05 125.64 2.53 -0.05 129.26 2.54 -0.05 132.94 2.55 -0.05 136.68 2.56 -0.05 140.47 2.57 -0.05 144.31 2.58 -0.05 148.21 2.59 -0.05 152.16 2.60 -0.05 156.16 2.61 -0.05 160.22 2.62 -0.05 164.33 2.63 -0.05 168.49 2.64 -0.05 172.71 2.65 -0.05 176.99 2.66 -0.05 181.32 2.67 -0.05 185.70 2.68 -0.05 190.13 2.69 -0.05 194.62 2.70 -0.05 199.17 2.71 -0.05 203.77 2.72 -0.05 208.42 2.73 -0.05 213.13 2.74 -0.05 217.89 2.75 -0.05 222.71 2.76 -0.05 227.58 2.77 -0.05 232.51 2.78 -0.05 237.49 2.79 -0.05 242.53 2.80 -0.05 247.62 2.81 -0.05 252.76 2.82 -0.04 257.96 2.83 -0.04 263.22 2.84 -0.04 268.53 2.85 -0.04 273.89 2.86 -0.04 279.32 2.87 -0.04 284.79 2.88 -0.04 290.32 2.89 -0.04 295.91 2.90 -0.04 301.55 2.91 -0.04 307.24 2.92 -0.04 312.99 2.93 -0.04 318.80 2.94 -0.04 324.66 2.95 -0.04 330.58 2.96 -0.04 336.55 2.97 -0.04 342.58 2.98 -0.04 348.67 2.99 -0.04 354.80 3.00 -0.04 361.00 3.01 -0.04 367.25 3.02 -0.04 373.55 3.03 -0.04 379.92 3.04 -0.04 386.33 3.05 -0.04 392.81 3.06 -0.04 399.33 3.07 -0.04 405.92 3.08 -0.04 412.56 3.09 -0.04 419.26 3.10 -0.04 426.01 3.11 -0.04 432.82 3.12 -0.04 439.68 3.13 -0.04 446.60 3.14 -0.04 453.57 3.15 -0.03 460.61 3.16 -0.03 467.69 3.17 -0.03 474.84 3.18 -0.03 482.04 3.19 -0.03 489.29 3.20 -0.03 496.61 3.21 -0.03 503.98 3.22 -0.03 511.40 3.23 -0.03 518.88 3.24 -0.03 526.42 3.25 -0.03 534.01 3.26 -0.03 541.66 3.27 -0.03 549.37 3.28 -0.03 557.13 3.29 -0.03 564.95 3.30 -0.03 572.83 3.31 -0.03 580.76 3.32 -0.03 588.75 3.33 -0.03 596.80 3.34 -0.03 604.90 3.35 -0.03 613.06 3.36 -0.03 621.27 3.37 -0.03 629.55 3.38 -0.03 637.88 3.39 -0.03 646.26 3.40 -0.03 654.70 3.41 -0.03 663.20 3.42 -0.03 671.76 3.43 -0.03 680.37 3.44 -0.03 689.04 3.45 -0.03 697.77 3.46 -0.03 706.55 3.47 -0.03 715.39 3.48 -0.02 724.29 3.49 -0.02 733.25 3.50 -0.02 742.26 3.51 -0.02 751.33 3.52 -0.02 760.45 3.53 -0.02 769.63 3.54 -0.02 778.87 3.55 -0.02 788.17 3.56 -0.02 797.53 3.57 -0.02 806.94 3.58 -0.02 816.41 3.59 -0.02 825.93 3.60 -0.02 835.52 3.61 -0.02 845.16 3.62 -0.02 854.85 3.63 -0.02 864.61 3.64 -0.02 874.42 3.65 -0.02 884.29 3.66 -0.02 894.22 3.67 -0.02 904.20 3.68 -0.02 914.25 3.69 -0.02 924.35 3.70 -0.02 934.50 3.71 -0.02 944.72 3.72 -0.02 954.99 3.73 -0.02 965.32 3.74 -0.02 975.71 3.75 -0.02 986.15 3.76 -0.02 996.66 3.77 -0.02 1007.22 3.78 -0.02 1017.84 3.79 -0.02 1028.51 3.80 -0.02 1039.25 3.81 -0.01 1050.04 3.82 -0.01 1060.89 3.83 -0.01 1071.79 3.84 -0.01 1082.76 3.85 -0.01 1093.78 3.86 -0.01 1104.86 3.87 -0.01 1116.00 3.88 -0.01 1127.20 3.89 -0.01 1138.45 3.90 -0.01 1149.76 3.91 -0.01 1161.13 3.92 -0.01 1172.56 3.93 -0.01 1184.05 3.94 -0.01 1195.59 3.95 -0.01 1207.19 3.96 -0.01 1218.85 3.97 -0.01 1230.57 3.98 -0.01 1242.35 3.99 -0.01 1254.18 4.00 -0.01 1266.08 4.01 -0.01 1278.03 4.02 -0.01 1290.04 4.03 -0.01 1302.10 4.04 -0.01 1314.23 4.05 -0.01 1326.41 4.06 -0.01 1338.66 4.07 -0.01 1350.96 4.08 -0.01 1363.32 4.09 -0.01 1375.73 4.10 -0.01 1388.21 4.11 -0.01 1400.74 4.12 -0.01 1413.33 4.13 -0.01 1425.98 4.14 0.00 1438.69 4.15 0.00 1451.46 4.16 0.00 1464.29 4.17 0.00 1477.17 4.18 0.00 1490.11 4.19 0.00 1503.12 4.20 0.00 1516.18 4.21 0.00 1529.29 4.22 0.00 1542.47 4.23 0.00 1555.71 4.24 0.00 1569.00 4.25 0.00 1582.36 4.26 0.00 1595.77 4.27 0.00 1609.24 4.28 0.00 1622.77 4.29 0.00 1636.35 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 *