# //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: 2025-08-28 21:20:05 # //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="13068500 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="BLACKFOOT RIVER NR BLACKFOOT ID" # //LABEL="Discharge (ft^3/s)" # //PARAMETER CODE="00060" # //RATING SHIFTED="20250828212005 MST" # //RATING ID="16.0" TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="Rating 16.0 approved. damiller 11/15/2021" # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=2.200000E+00 BREAKPOINT2=4.500000E+00 # //RATING OFFSET1=1.130000E+00 OFFSET2=1.800000E+00 OFFSET3=0.000000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20210821003000 BZONE=-07:00 END=-------------- EZONE=--- AGING=1 # //RATING_DATETIME COMMENT="Re-drawn to avoid positive shifting." # //SHIFT_PREV BEGIN="20250828114600" BZONE="-07:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="2.30" SHIFT1="-0.28" STAGE2="3.30" SHIFT2="-0.28" STAGE3="8.00" SHIFT3="0.00" # //SHIFT_PREV COMMENT="Prorated more negative shift over intermittent rises where bank vegetation had increased impact on flow based on 1263." # //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 -0.28 0.00 1.42 -0.28 0.03 1.43 -0.28 0.07 1.44 -0.28 0.10 1.45 -0.28 0.14 1.46 -0.28 0.17 1.47 -0.28 0.21 1.48 -0.28 0.24 1.49 -0.28 0.31 1.50 -0.28 0.39 1.51 -0.28 0.48 1.52 -0.28 0.58 1.53 -0.28 0.69 1.54 -0.28 0.80 1.55 -0.28 0.93 1.56 -0.28 1.06 1.57 -0.28 1.20 1.58 -0.28 1.35 1.59 -0.28 1.51 1.60 -0.28 1.68 1.61 -0.28 1.86 1.62 -0.28 2.05 1.63 -0.28 2.24 1.64 -0.28 2.44 1.65 -0.28 2.65 1.66 -0.28 2.87 1.67 -0.28 3.10 1.68 -0.28 3.34 1.69 -0.28 3.59 1.70 -0.28 3.84 1.71 -0.28 4.10 1.72 -0.28 4.37 1.73 -0.28 4.65 1.74 -0.28 4.94 1.75 -0.28 5.24 1.76 -0.28 5.54 1.77 -0.28 5.85 1.78 -0.28 6.18 1.79 -0.28 6.50 1.80 -0.28 6.84 1.81 -0.28 7.19 1.82 -0.28 7.54 1.83 -0.28 7.91 1.84 -0.28 8.28 1.85 -0.28 8.66 1.86 -0.28 9.05 1.87 -0.28 9.44 1.88 -0.28 9.85 1.89 -0.28 10.26 1.90 -0.28 10.68 1.91 -0.28 11.11 1.92 -0.28 11.55 1.93 -0.28 11.99 1.94 -0.28 12.45 1.95 -0.28 12.91 1.96 -0.28 13.38 1.97 -0.28 13.86 1.98 -0.28 14.35 1.99 -0.28 14.84 2.00 -0.28 15.34 2.01 -0.28 15.85 2.02 -0.28 16.37 2.03 -0.28 16.90 2.04 -0.28 17.44 2.05 -0.28 17.98 2.06 -0.28 18.53 2.07 -0.28 19.09 2.08 -0.28 19.66 2.09 -0.28 20.24 2.10 -0.28 20.82 2.11 -0.28 21.42 2.12 -0.28 22.02 2.13 -0.28 22.63 2.14 -0.28 23.24 2.15 -0.28 23.87 2.16 -0.28 24.50 2.17 -0.28 25.14 2.18 -0.28 25.79 2.19 -0.28 26.45 2.20 -0.28 27.11 * 2.21 -0.28 27.79 2.22 -0.28 28.47 2.23 -0.28 29.16 2.24 -0.28 29.86 2.25 -0.28 30.56 2.26 -0.28 31.28 2.27 -0.28 32.00 2.28 -0.28 32.73 2.29 -0.28 33.47 2.30 -0.28 34.21 2.31 -0.28 34.96 2.32 -0.28 35.73 2.33 -0.28 36.50 2.34 -0.28 37.27 2.35 -0.28 38.06 2.36 -0.28 38.85 2.37 -0.28 39.66 2.38 -0.28 40.47 2.39 -0.28 41.28 2.40 -0.28 42.11 2.41 -0.28 42.94 2.42 -0.28 43.78 2.43 -0.28 44.63 2.44 -0.28 45.49 2.45 -0.28 46.36 2.46 -0.28 47.23 2.47 -0.28 48.11 2.48 -0.28 49.00 2.49 -0.28 50.25 2.50 -0.28 51.51 2.51 -0.28 52.76 2.52 -0.28 54.01 2.53 -0.28 55.27 2.54 -0.28 56.52 2.55 -0.28 57.78 2.56 -0.28 59.04 2.57 -0.28 60.29 2.58 -0.28 61.55 2.59 -0.28 62.81 2.60 -0.28 64.07 2.61 -0.28 65.33 2.62 -0.28 66.59 2.63 -0.28 67.85 2.64 -0.28 69.11 2.65 -0.28 70.37 2.66 -0.28 71.64 2.67 -0.28 72.90 2.68 -0.28 74.16 2.69 -0.28 75.42 2.70 -0.28 76.69 2.71 -0.28 77.95 2.72 -0.28 79.22 2.73 -0.28 80.48 2.74 -0.28 81.75 2.75 -0.28 83.02 2.76 -0.28 84.28 2.77 -0.28 85.55 2.78 -0.28 86.82 2.79 -0.28 88.08 2.80 -0.28 89.35 2.81 -0.28 90.62 2.82 -0.28 91.89 2.83 -0.28 93.16 2.84 -0.28 94.43 2.85 -0.28 95.70 2.86 -0.28 96.97 2.87 -0.28 98.24 2.88 -0.28 99.51 2.89 -0.28 100.78 2.90 -0.28 102.06 2.91 -0.28 103.33 2.92 -0.28 104.60 2.93 -0.28 105.87 2.94 -0.28 107.15 2.95 -0.28 108.42 2.96 -0.28 109.69 2.97 -0.28 110.97 2.98 -0.28 112.24 2.99 -0.28 113.52 3.00 -0.28 114.79 3.01 -0.28 116.07 3.02 -0.28 117.34 3.03 -0.28 118.62 3.04 -0.28 119.90 3.05 -0.28 121.17 3.06 -0.28 122.45 3.07 -0.28 123.73 3.08 -0.28 125.00 3.09 -0.28 126.28 3.10 -0.28 127.56 3.11 -0.28 128.84 3.12 -0.28 130.12 3.13 -0.28 131.40 3.14 -0.28 132.68 3.15 -0.28 133.96 3.16 -0.28 135.23 3.17 -0.28 136.51 3.18 -0.28 137.80 3.19 -0.28 139.08 3.20 -0.28 140.36 3.21 -0.28 141.64 3.22 -0.28 142.92 3.23 -0.28 144.20 3.24 -0.28 145.48 3.25 -0.28 146.76 3.26 -0.28 148.05 3.27 -0.28 149.33 3.28 -0.28 150.61 3.29 -0.28 151.89 3.30 -0.28 153.18 3.31 -0.28 154.54 3.32 -0.28 155.90 3.33 -0.28 157.26 3.34 -0.28 158.62 3.35 -0.28 159.98 3.36 -0.28 161.34 3.37 -0.28 162.70 3.38 -0.28 164.06 3.39 -0.27 165.43 3.40 -0.27 166.79 3.41 -0.27 168.15 3.42 -0.27 169.51 3.43 -0.27 170.88 3.44 -0.27 172.24 3.45 -0.27 173.60 3.46 -0.27 174.96 3.47 -0.27 176.33 3.48 -0.27 177.69 3.49 -0.27 179.06 3.50 -0.27 180.42 3.51 -0.27 181.79 3.52 -0.27 183.15 3.53 -0.27 184.52 3.54 -0.27 185.88 3.55 -0.27 187.25 3.56 -0.26 188.61 3.57 -0.26 189.98 3.58 -0.26 191.34 3.59 -0.26 192.71 3.60 -0.26 194.08 3.61 -0.26 195.44 3.62 -0.26 196.81 3.63 -0.26 198.18 3.64 -0.26 199.55 3.65 -0.26 200.91 3.66 -0.26 202.28 3.67 -0.26 203.65 3.68 -0.26 205.02 3.69 -0.26 206.39 3.70 -0.26 207.76 3.71 -0.26 209.12 3.72 -0.25 210.49 3.73 -0.25 211.86 3.74 -0.25 213.23 3.75 -0.25 214.60 3.76 -0.25 215.97 3.77 -0.25 217.34 3.78 -0.25 218.71 3.79 -0.25 220.08 3.80 -0.25 221.45 3.81 -0.25 222.82 3.82 -0.25 224.19 3.83 -0.25 225.56 3.84 -0.25 226.94 3.85 -0.25 228.31 3.86 -0.25 229.68 3.87 -0.25 231.05 3.88 -0.25 232.42 3.89 -0.24 233.79 3.90 -0.24 235.17 3.91 -0.24 236.54 3.92 -0.24 237.91 3.93 -0.24 239.28 3.94 -0.24 240.66 3.95 -0.24 242.03 3.96 -0.24 243.40 3.97 -0.24 244.78 3.98 -0.24 246.15 3.99 -0.24 247.53 4.00 -0.24 248.90 4.01 -0.24 250.27 4.02 -0.24 251.65 4.03 -0.24 253.02 4.04 -0.24 254.40 4.05 -0.24 255.77 4.06 -0.23 257.15 4.07 -0.23 258.52 4.08 -0.23 259.90 4.09 -0.23 261.27 4.10 -0.23 262.65 4.11 -0.23 264.02 4.12 -0.23 265.40 4.13 -0.23 266.78 4.14 -0.23 268.15 4.15 -0.23 269.53 4.16 -0.23 270.91 4.17 -0.23 272.28 4.18 -0.23 273.66 4.19 -0.23 275.04 4.20 -0.23 276.41 4.21 -0.23 277.79 4.22 -0.23 279.17 4.23 -0.22 280.54 4.24 -0.22 281.92 4.25 -0.22 283.30 4.26 -0.22 284.68 4.27 -0.22 286.06 4.28 -0.22 287.43 4.29 -0.22 288.81 4.30 -0.22 290.19 4.31 -0.22 291.57 4.32 -0.22 292.95 4.33 -0.22 294.33 4.34 -0.22 295.71 4.35 -0.22 297.09 4.36 -0.22 298.47 4.37 -0.22 299.85 4.38 -0.22 301.23 4.39 -0.21 302.61 4.40 -0.21 303.99 4.41 -0.21 305.37 4.42 -0.21 306.75 4.43 -0.21 308.13 4.44 -0.21 309.51 4.45 -0.21 310.89 4.46 -0.21 312.27 4.47 -0.21 313.65 4.48 -0.21 315.03 4.49 -0.21 316.41 4.50 -0.21 317.79 * 4.51 -0.21 319.17 4.52 -0.21 320.56 4.53 -0.21 321.94 4.54 -0.21 323.32 4.55 -0.21 324.70 4.56 -0.20 326.08 4.57 -0.20 327.46 4.58 -0.20 328.85 4.59 -0.20 330.23 4.60 -0.20 331.61 4.61 -0.20 332.99 4.62 -0.20 334.38 4.63 -0.20 335.76 4.64 -0.20 337.14 4.65 -0.20 338.53 4.66 -0.20 339.91 4.67 -0.20 341.29 4.68 -0.20 342.68 4.69 -0.20 344.06 4.70 -0.20 345.42 4.71 -0.20 346.73 4.72 -0.20 348.04 4.73 -0.19 349.35 4.74 -0.19 350.66 4.75 -0.19 351.98 4.76 -0.19 353.29 4.77 -0.19 354.61 4.78 -0.19 355.93 4.79 -0.19 357.25 4.80 -0.19 358.58 4.81 -0.19 359.90 4.82 -0.19 361.23 4.83 -0.19 362.56 4.84 -0.19 363.89 4.85 -0.19 365.23 4.86 -0.19 366.56 4.87 -0.19 367.90 4.88 -0.19 369.24 4.89 -0.19 370.58 4.90 -0.18 371.92 4.91 -0.18 373.27 4.92 -0.18 374.61 4.93 -0.18 375.96 4.94 -0.18 377.31 4.95 -0.18 378.66 4.96 -0.18 380.02 4.97 -0.18 381.37 4.98 -0.18 382.73 4.99 -0.18 384.09 5.00 -0.18 385.45 5.01 -0.18 386.81 5.02 -0.18 388.18 5.03 -0.18 389.54 5.04 -0.18 390.91 5.05 -0.18 392.28 5.06 -0.18 393.65 5.07 -0.17 395.02 5.08 -0.17 396.40 5.09 -0.17 397.78 5.10 -0.17 399.16 5.11 -0.17 400.54 5.12 -0.17 401.92 5.13 -0.17 403.30 5.14 -0.17 404.69 5.15 -0.17 406.08 5.16 -0.17 407.47 5.17 -0.17 408.86 5.18 -0.17 410.25 5.19 -0.17 411.65 5.20 -0.17 413.05 5.21 -0.17 414.44 5.22 -0.17 415.84 5.23 -0.16 417.25 5.24 -0.16 418.65 5.25 -0.16 420.06 5.26 -0.16 421.46 5.27 -0.16 422.87 5.28 -0.16 424.29 5.29 -0.16 425.70 5.30 -0.16 427.11 5.31 -0.16 428.53 5.32 -0.16 429.95 5.33 -0.16 431.37 5.34 -0.16 432.79 5.35 -0.16 434.21 5.36 -0.16 435.64 5.37 -0.16 437.07 5.38 -0.16 438.49 5.39 -0.16 439.93 5.40 -0.15 441.36 5.41 -0.15 442.79 5.42 -0.15 444.23 5.43 -0.15 445.67 5.44 -0.15 447.11 5.45 -0.15 448.55 5.46 -0.15 449.99 5.47 -0.15 451.43 5.48 -0.15 452.88 5.49 -0.15 454.33 5.50 -0.15 455.78 5.51 -0.15 457.23 5.52 -0.15 458.68 5.53 -0.15 460.14 5.54 -0.15 461.60 5.55 -0.15 463.05 5.56 -0.15 464.52 5.57 -0.14 465.98 5.58 -0.14 467.44 5.59 -0.14 468.91 5.60 -0.14 470.37 5.61 -0.14 471.84 5.62 -0.14 473.31 5.63 -0.14 474.79 5.64 -0.14 476.26 5.65 -0.14 477.74 5.66 -0.14 479.21 5.67 -0.14 480.69 5.68 -0.14 482.18 5.69 -0.14 483.66 5.70 -0.14 485.14 5.71 -0.14 486.63 5.72 -0.14 488.12 5.73 -0.14 489.61 5.74 -0.13 491.10 5.75 -0.13 492.59 5.76 -0.13 494.09 5.77 -0.13 495.58 5.78 -0.13 497.08 5.79 -0.13 498.58 5.80 -0.13 500.08 5.81 -0.13 501.59 5.82 -0.13 503.09 5.83 -0.13 504.60 5.84 -0.13 506.11 5.85 -0.13 507.62 5.86 -0.13 509.13 5.87 -0.13 510.64 5.88 -0.13 512.16 5.89 -0.13 513.68 5.90 -0.13 515.19 5.91 -0.12 516.72 5.92 -0.12 518.24 5.93 -0.12 519.76 5.94 -0.12 521.29 5.95 -0.12 522.81 5.96 -0.12 524.34 5.97 -0.12 525.87 5.98 -0.12 527.41 5.99 -0.12 528.94 6.00 -0.12 530.48 6.01 -0.12 532.01 6.02 -0.12 533.55 6.03 -0.12 535.09 6.04 -0.12 536.63 6.05 -0.12 538.18 6.06 -0.12 539.72 6.07 -0.11 541.27 6.08 -0.11 542.82 6.09 -0.11 544.37 6.10 -0.11 545.92 6.11 -0.11 547.48 6.12 -0.11 549.03 6.13 -0.11 550.59 6.14 -0.11 552.15 6.15 -0.11 553.71 6.16 -0.11 555.27 6.17 -0.11 556.84 6.18 -0.11 558.40 6.19 -0.11 559.97 6.20 -0.11 561.54 6.21 -0.11 563.11 6.22 -0.11 564.68 6.23 -0.11 566.26 6.24 -0.10 567.83 6.25 -0.10 569.41 6.26 -0.10 570.99 6.27 -0.10 572.57 6.28 -0.10 574.15 6.29 -0.10 575.74 6.30 -0.10 577.32 6.31 -0.10 578.91 6.32 -0.10 580.50 6.33 -0.10 582.09 6.34 -0.10 583.68 6.35 -0.10 585.27 6.36 -0.10 586.87 6.37 -0.10 588.47 6.38 -0.10 590.07 6.39 -0.10 591.67 6.40 -0.10 593.27 6.41 -0.09 594.87 6.42 -0.09 596.48 6.43 -0.09 598.08 6.44 -0.09 599.69 6.45 -0.09 601.30 6.46 -0.09 602.92 6.47 -0.09 604.53 6.48 -0.09 606.14 6.49 -0.09 607.76 6.50 -0.09 609.38 6.51 -0.09 611.00 6.52 -0.09 612.62 6.53 -0.09 614.24 6.54 -0.09 615.87 6.55 -0.09 617.50 6.56 -0.09 619.12 6.57 -0.09 620.75 6.58 -0.08 622.38 6.59 -0.08 624.02 6.60 -0.08 625.65 6.61 -0.08 627.29 6.62 -0.08 628.93 6.63 -0.08 630.57 6.64 -0.08 632.21 6.65 -0.08 633.85 6.66 -0.08 635.49 6.67 -0.08 637.14 6.68 -0.08 638.79 6.69 -0.08 640.44 6.70 -0.08 642.09 6.71 -0.08 643.74 6.72 -0.08 645.39 6.73 -0.08 647.05 6.74 -0.08 648.70 6.75 -0.07 650.36 6.76 -0.07 652.02 6.77 -0.07 653.69 6.78 -0.07 655.35 6.79 -0.07 657.01 6.80 -0.07 658.68 6.81 -0.07 660.35 6.82 -0.07 662.02 6.83 -0.07 663.69 6.84 -0.07 665.36 6.85 -0.07 667.04 6.86 -0.07 668.71 6.87 -0.07 670.39 6.88 -0.07 672.07 6.89 -0.07 673.75 6.90 -0.07 675.44 6.91 -0.06 677.12 6.92 -0.06 678.81 6.93 -0.06 680.49 6.94 -0.06 682.18 6.95 -0.06 683.87 6.96 -0.06 685.56 6.97 -0.06 687.26 6.98 -0.06 688.95 6.99 -0.06 690.65 7.00 -0.06 692.35 7.01 -0.06 694.05 7.02 -0.06 695.75 7.03 -0.06 697.45 7.04 -0.06 699.16 7.05 -0.06 700.86 7.06 -0.06 702.57 7.07 -0.06 704.28 7.08 -0.05 705.99 7.09 -0.05 707.71 7.10 -0.05 709.42 7.11 -0.05 711.13 7.12 -0.05 712.85 7.13 -0.05 714.57 7.14 -0.05 716.29 7.15 -0.05 718.01 7.16 -0.05 719.74 7.17 -0.05 721.46 7.18 -0.05 723.19 7.19 -0.05 724.92 7.20 -0.05 726.65 7.21 -0.05 728.38 7.22 -0.05 730.11 7.23 -0.05 731.85 7.24 -0.05 733.58 7.25 -0.04 735.32 7.26 -0.04 737.06 7.27 -0.04 738.80 7.28 -0.04 740.54 7.29 -0.04 742.28 7.30 -0.04 744.03 7.31 -0.04 745.78 7.32 -0.04 747.52 7.33 -0.04 749.27 7.34 -0.04 751.03 7.35 -0.04 752.78 7.36 -0.04 754.53 7.37 -0.04 756.29 7.38 -0.04 758.05 7.39 -0.04 759.81 7.40 -0.04 761.57 7.41 -0.04 763.33 7.42 -0.03 765.09 7.43 -0.03 766.86 7.44 -0.03 768.63 7.45 -0.03 770.39 7.46 -0.03 772.16 7.47 -0.03 773.94 7.48 -0.03 775.71 7.49 -0.03 777.48 7.50 -0.03 779.26 7.51 -0.03 781.04 7.52 -0.03 782.82 7.53 -0.03 784.60 7.54 -0.03 786.38 7.55 -0.03 788.16 7.56 -0.03 789.95 7.57 -0.03 791.74 7.58 -0.03 793.52 7.59 -0.02 795.31 7.60 -0.02 797.10 7.61 -0.02 798.90 7.62 -0.02 800.69 7.63 -0.02 802.49 7.64 -0.02 804.29 7.65 -0.02 806.08 7.66 -0.02 807.89 7.67 -0.02 809.69 7.68 -0.02 811.49 7.69 -0.02 813.30 7.70 -0.02 815.10 7.71 -0.02 816.91 7.72 -0.02 818.72 7.73 -0.02 820.53 7.74 -0.02 822.34 7.75 -0.01 824.16 7.76 -0.01 825.97 7.77 -0.01 827.79 7.78 -0.01 829.61 7.79 -0.01 831.43 7.80 -0.01 833.25 7.81 -0.01 835.07 7.82 -0.01 836.90 7.83 -0.01 838.73 7.84 -0.01 840.55 7.85 -0.01 842.38 7.86 -0.01 844.21 7.87 -0.01 846.05 7.88 -0.01 847.88 7.89 -0.01 849.71 7.90 -0.01 851.55 7.91 -0.01 853.39 7.92 0.00 855.23 7.93 0.00 857.07 7.94 0.00 858.91 7.95 0.00 860.76 7.96 0.00 862.60 7.97 0.00 864.45 7.98 0.00 866.30 7.99 0.00 868.15 8.00 0.00 870.00 *