# //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: 2024-04-23 17:10:02 # //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="11141280 " TIME_ZONE="PST" DST_FLAG=Y # //STATION NAME="LOPEZ C NR ARROYO GRANDE CA" # //LABEL="Discharge (ft^3/s)" # //PARAMETER CODE="00060" # //RATING SHIFTED="20240423171002 PST" # //RATING ID="36.0 " TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="Rating 36.0 was developed to account for severe scour cause by the peak event on Jan 9, 2023. Smaller peaks in 2023 after this event caused significant fill. Only measurements made after the Jan 9 event were used to develop the rating. The upper end of the rating is defined by Slope-Area Indirect 650A from the Jan 9 event. The rating has one breakpoint which is at the approximate elevation of transition from channel to section control. The lower offset is roughly equal to the GZF, the upper offset was chosen to fit measurements and produce a slope typical for channel control. " # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=8.530000E+00 # //RATING OFFSET1=7.250000E+00 OFFSET2=7.600000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20230109061500 BZONE=-08:00 END=-------------- EZONE=--- AGING=Working # //RATING_DATETIME COMMENT="Rating 36.0 was developed to account for severe scour cause by the peak event on Jan 9, 2023. Smaller peaks in 2023 after this event caused significant fill. Only measurements made after the Jan 9 event were used to develop the rating. The upper end of the rating is defined by Slope-Area Indirect 650A from the Jan 9 event. The rating has one breakpoint which is at the approximate elevation of transition from channel to section control. The lower offset is roughly equal to the GZF, the upper offset was chosen to fit measurements and produce a slope typical for channel control. " # //SHIFT_PREV BEGIN="20240422161926" BZONE="-08:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="8.50" SHIFT1="-0.10" STAGE2="10.60" SHIFT2="0.00" # //SHIFT_PREV COMMENT="Shift held to meas 670." # //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 7.38 -0.10 0.01 7.39 -0.10 0.02 7.40 -0.10 0.03 7.41 -0.10 0.05 7.42 -0.10 0.07 7.43 -0.10 0.10 7.44 -0.10 0.13 7.45 -0.10 0.17 7.46 -0.10 0.21 7.47 -0.10 0.26 7.48 -0.10 0.31 7.49 -0.10 0.37 7.50 -0.10 0.43 7.51 -0.10 0.50 7.52 -0.10 0.58 7.53 -0.10 0.66 7.54 -0.10 0.75 7.55 -0.10 0.85 7.56 -0.10 0.95 7.57 -0.10 1.06 7.58 -0.10 1.17 7.59 -0.10 1.30 7.60 -0.10 1.43 7.61 -0.10 1.56 7.62 -0.10 1.71 7.63 -0.10 1.86 7.64 -0.10 2.02 7.65 -0.10 2.18 7.66 -0.10 2.36 7.67 -0.10 2.54 7.68 -0.10 2.73 7.69 -0.10 2.93 7.70 -0.10 3.13 7.71 -0.10 3.34 7.72 -0.10 3.57 7.73 -0.10 3.80 7.74 -0.10 4.03 7.75 -0.10 4.28 7.76 -0.10 4.53 7.77 -0.10 4.80 7.78 -0.10 5.07 7.79 -0.10 5.35 7.80 -0.10 5.64 7.81 -0.10 5.93 7.82 -0.10 6.24 7.83 -0.10 6.55 7.84 -0.10 6.88 7.85 -0.10 7.21 7.86 -0.10 7.55 7.87 -0.10 7.90 7.88 -0.10 8.26 7.89 -0.10 8.63 7.90 -0.10 9.01 7.91 -0.10 9.40 7.92 -0.10 9.80 7.93 -0.10 10.20 7.94 -0.10 10.62 7.95 -0.10 11.05 7.96 -0.10 11.48 7.97 -0.10 11.93 7.98 -0.10 12.38 7.99 -0.10 12.85 8.00 -0.10 13.32 8.01 -0.10 13.81 8.02 -0.10 14.30 8.03 -0.10 14.80 8.04 -0.10 15.32 8.05 -0.10 15.84 8.06 -0.10 16.38 8.07 -0.10 16.92 8.08 -0.10 17.48 8.09 -0.10 18.04 8.10 -0.10 18.62 8.11 -0.10 19.20 8.12 -0.10 19.80 8.13 -0.10 20.41 8.14 -0.10 21.02 8.15 -0.10 21.65 8.16 -0.10 22.29 8.17 -0.10 22.94 8.18 -0.10 23.60 8.19 -0.10 24.27 8.20 -0.10 24.95 8.21 -0.10 25.64 8.22 -0.10 26.34 8.23 -0.10 27.06 8.24 -0.10 27.78 8.25 -0.10 28.52 8.26 -0.10 29.26 8.27 -0.10 30.02 8.28 -0.10 30.79 8.29 -0.10 31.57 8.30 -0.10 32.36 8.31 -0.10 33.16 8.32 -0.10 33.98 8.33 -0.10 34.80 8.34 -0.10 35.64 8.35 -0.10 36.49 8.36 -0.10 37.35 8.37 -0.10 38.22 8.38 -0.10 39.10 8.39 -0.10 39.99 8.40 -0.10 40.90 8.41 -0.10 41.82 8.42 -0.10 42.74 8.43 -0.10 43.68 8.44 -0.10 44.64 8.45 -0.10 45.60 8.46 -0.10 46.58 8.47 -0.10 47.56 8.48 -0.10 48.56 8.49 -0.10 49.57 8.50 -0.10 50.60 8.51 -0.10 51.68 8.52 -0.10 52.78 8.53 -0.10 53.89 * 8.54 -0.10 55.01 8.55 -0.10 56.15 8.56 -0.10 57.30 8.57 -0.10 58.47 8.58 -0.10 59.65 8.59 -0.10 60.84 8.60 -0.10 62.04 8.61 -0.09 63.26 8.62 -0.09 64.49 8.63 -0.09 65.78 8.64 -0.09 67.10 8.65 -0.09 68.44 8.66 -0.09 69.79 8.67 -0.09 71.15 8.68 -0.09 72.52 8.69 -0.09 73.90 8.70 -0.09 75.29 8.71 -0.09 76.70 8.72 -0.09 78.12 8.73 -0.09 79.54 8.74 -0.09 80.98 8.75 -0.09 82.44 8.76 -0.09 83.90 8.77 -0.09 85.37 8.78 -0.09 86.86 8.79 -0.09 88.35 8.80 -0.09 89.86 8.81 -0.09 91.38 8.82 -0.08 92.91 8.83 -0.08 94.45 8.84 -0.08 96.01 8.85 -0.08 97.57 8.86 -0.08 99.15 8.87 -0.08 100.73 8.88 -0.08 102.33 8.89 -0.08 103.94 8.90 -0.08 105.56 8.91 -0.08 107.19 8.92 -0.08 108.83 8.93 -0.08 110.48 8.94 -0.08 112.15 8.95 -0.08 113.82 8.96 -0.08 115.51 8.97 -0.08 117.21 8.98 -0.08 118.91 8.99 -0.08 120.63 9.00 -0.08 122.36 9.01 -0.08 124.10 9.02 -0.08 125.85 9.03 -0.07 127.62 9.04 -0.07 129.39 9.05 -0.07 131.17 9.06 -0.07 132.97 9.07 -0.07 134.77 9.08 -0.07 136.59 9.09 -0.07 138.41 9.10 -0.07 140.25 9.11 -0.07 142.10 9.12 -0.07 143.96 9.13 -0.07 145.83 9.14 -0.07 147.71 9.15 -0.07 149.60 9.16 -0.07 151.50 9.17 -0.07 153.41 9.18 -0.07 155.33 9.19 -0.07 157.27 9.20 -0.07 159.21 9.21 -0.07 161.16 9.22 -0.07 163.13 9.23 -0.07 165.10 9.24 -0.06 167.09 9.25 -0.06 169.09 9.26 -0.06 171.09 9.27 -0.06 173.11 9.28 -0.06 175.14 9.29 -0.06 177.18 9.30 -0.06 179.22 9.31 -0.06 181.28 9.32 -0.06 183.35 9.33 -0.06 185.43 9.34 -0.06 187.52 9.35 -0.06 189.62 9.36 -0.06 191.73 9.37 -0.06 193.85 9.38 -0.06 195.98 9.39 -0.06 198.13 9.40 -0.06 200.28 9.41 -0.06 202.44 9.42 -0.06 204.61 9.43 -0.06 206.79 9.44 -0.06 208.99 9.45 -0.05 211.19 9.46 -0.05 213.40 9.47 -0.05 215.63 9.48 -0.05 217.86 9.49 -0.05 220.10 9.50 -0.05 222.36 9.51 -0.05 224.62 9.52 -0.05 226.89 9.53 -0.05 229.18 9.54 -0.05 231.47 9.55 -0.05 233.78 9.56 -0.05 236.09 9.57 -0.05 238.42 9.58 -0.05 240.75 9.59 -0.05 243.10 9.60 -0.05 245.45 9.61 -0.05 247.82 9.62 -0.05 250.19 9.63 -0.05 252.57 9.64 -0.05 254.97 9.65 -0.05 257.37 9.66 -0.04 259.79 9.67 -0.04 262.21 9.68 -0.04 264.65 9.69 -0.04 267.09 9.70 -0.04 269.55 9.71 -0.04 272.01 9.72 -0.04 274.49 9.73 -0.04 276.97 9.74 -0.04 279.46 9.75 -0.04 281.97 9.76 -0.04 284.48 9.77 -0.04 287.00 9.78 -0.04 289.54 9.79 -0.04 292.08 9.80 -0.04 294.63 9.81 -0.04 297.20 9.82 -0.04 299.77 9.83 -0.04 302.35 9.84 -0.04 304.94 9.85 -0.04 307.55 9.86 -0.04 310.16 9.87 -0.03 312.78 9.88 -0.03 315.41 9.89 -0.03 318.05 9.90 -0.03 320.70 9.91 -0.03 323.36 9.92 -0.03 326.03 9.93 -0.03 328.71 9.94 -0.03 331.40 9.95 -0.03 334.10 9.96 -0.03 336.81 9.97 -0.03 339.53 9.98 -0.03 342.26 9.99 -0.03 345.00 10.00 -0.03 347.74 10.01 -0.03 350.50 10.02 -0.03 353.27 10.03 -0.03 356.04 10.04 -0.03 358.83 10.05 -0.03 361.63 10.06 -0.03 364.43 10.07 -0.03 367.24 10.08 -0.02 370.07 10.09 -0.02 372.90 10.10 -0.02 375.75 10.11 -0.02 378.60 10.12 -0.02 381.46 10.13 -0.02 384.33 10.14 -0.02 387.22 10.15 -0.02 390.11 10.16 -0.02 393.01 10.17 -0.02 395.92 10.18 -0.02 398.84 10.19 -0.02 401.77 10.20 -0.02 404.70 10.21 -0.02 407.65 10.22 -0.02 410.61 10.23 -0.02 413.58 10.24 -0.02 416.55 10.25 -0.02 419.54 10.26 -0.02 422.53 10.27 -0.02 425.54 10.28 -0.02 428.55 10.29 -0.01 431.57 10.30 -0.01 434.61 10.31 -0.01 437.65 10.32 -0.01 440.70 10.33 -0.01 443.76 10.34 -0.01 446.83 10.35 -0.01 449.91 10.36 -0.01 453.00 10.37 -0.01 456.10 10.38 -0.01 459.20 10.39 -0.01 462.32 10.40 -0.01 465.45 10.41 -0.01 468.58 10.42 -0.01 471.73 10.43 -0.01 474.88 10.44 -0.01 478.04 10.45 -0.01 481.22 10.46 -0.01 484.40 10.47 -0.01 487.59 10.48 -0.01 490.79 10.49 -0.01 494.00 10.50 0.00 497.22 10.51 0.00 500.45 10.52 0.00 503.68 10.53 0.00 506.93 10.54 0.00 510.19 10.55 0.00 513.45 10.56 0.00 516.72 10.57 0.00 520.01 10.58 0.00 523.30 10.59 0.00 526.60 10.60 0.00 529.91 10.61 0.00 533.08 10.62 0.00 536.26 10.63 0.00 539.44 10.64 0.00 542.64 10.65 0.00 545.84 10.66 0.00 549.05 10.67 0.00 552.27 10.68 0.00 555.50 10.69 0.00 558.73 10.70 0.00 561.98 10.71 0.00 565.23 10.72 0.00 568.49 10.73 0.00 571.76 10.74 0.00 575.03 10.75 0.00 578.32 10.76 0.00 581.61 10.77 0.00 584.91 10.78 0.00 588.22 10.79 0.00 591.54 10.80 0.00 594.87 10.81 0.00 598.20 10.82 0.00 601.55 10.83 0.00 604.90 10.84 0.00 608.26 10.85 0.00 611.62 10.86 0.00 615.00 10.87 0.00 618.38 10.88 0.00 621.78 10.89 0.00 625.18 10.90 0.00 628.59 10.91 0.00 632.00 10.92 0.00 635.43 10.93 0.00 638.86 10.94 0.00 642.30 10.95 0.00 645.75 10.96 0.00 649.21 10.97 0.00 652.67 10.98 0.00 656.15 10.99 0.00 659.63 11.00 0.00 663.12 11.01 0.00 666.62 11.02 0.00 670.13 11.03 0.00 673.64 11.04 0.00 677.16 11.05 0.00 680.69 11.06 0.00 684.23 11.07 0.00 687.78 11.08 0.00 691.34 11.09 0.00 694.90 11.10 0.00 698.47 11.11 0.00 702.05 11.12 0.00 705.64 11.13 0.00 709.23 11.14 0.00 712.84 11.15 0.00 716.45 11.16 0.00 720.07 11.17 0.00 723.70 11.18 0.00 727.33 11.19 0.00 730.98 11.20 0.00 734.63 11.21 0.00 738.29 11.22 0.00 741.96 11.23 0.00 745.63 11.24 0.00 749.32 11.25 0.00 753.01 11.26 0.00 756.71 11.27 0.00 760.42 11.28 0.00 764.13 11.29 0.00 767.86 11.30 0.00 771.59 11.31 0.00 775.33 11.32 0.00 779.08 11.33 0.00 782.83 11.34 0.00 786.60 11.35 0.00 790.37 11.36 0.00 794.15 11.37 0.00 797.94 11.38 0.00 801.74 11.39 0.00 805.54 11.40 0.00 809.35 11.41 0.00 813.17 11.42 0.00 817.00 11.43 0.00 820.83 11.44 0.00 824.68 11.45 0.00 828.53 11.46 0.00 832.39 11.47 0.00 836.26 11.48 0.00 840.13 11.49 0.00 844.02 11.50 0.00 847.91 11.51 0.00 851.81 11.52 0.00 855.71 11.53 0.00 859.63 11.54 0.00 863.55 11.55 0.00 867.48 11.56 0.00 871.42 11.57 0.00 875.37 11.58 0.00 879.32 11.59 0.00 883.28 11.60 0.00 887.25 11.61 0.00 891.23 11.62 0.00 895.22 11.63 0.00 899.21 11.64 0.00 903.21 11.65 0.00 907.22 11.66 0.00 911.24 11.67 0.00 915.26 11.68 0.00 919.30 11.69 0.00 923.34 11.70 0.00 927.39 11.71 0.00 931.44 11.72 0.00 935.51 11.73 0.00 939.58 11.74 0.00 943.66 11.75 0.00 947.75 11.76 0.00 951.84 11.77 0.00 955.95 11.78 0.00 960.06 11.79 0.00 964.18 11.80 0.00 968.30 11.81 0.00 972.44 11.82 0.00 976.58 11.83 0.00 980.73 11.84 0.00 984.89 11.85 0.00 989.05 11.86 0.00 993.23 11.87 0.00 997.41 11.88 0.00 1001.60 11.89 0.00 1005.79 11.90 0.00 1010.00 11.91 0.00 1014.21 11.92 0.00 1018.43 11.93 0.00 1022.66 11.94 0.00 1026.89 11.95 0.00 1031.14 11.96 0.00 1035.39 11.97 0.00 1039.64 11.98 0.00 1043.91 11.99 0.00 1048.18 12.00 0.00 1052.47 12.01 0.00 1056.76 12.02 0.00 1061.05 12.03 0.00 1065.36 12.04 0.00 1069.67 12.05 0.00 1073.99 12.06 0.00 1078.32 12.07 0.00 1082.65 12.08 0.00 1087.00 12.09 0.00 1091.35 12.10 0.00 1095.71 12.11 0.00 1100.07 12.12 0.00 1104.45 12.13 0.00 1108.83 12.14 0.00 1113.22 12.15 0.00 1117.61 12.16 0.00 1122.02 12.17 0.00 1126.43 12.18 0.00 1130.85 12.19 0.00 1135.28 12.20 0.00 1139.71 12.21 0.00 1144.16 12.22 0.00 1148.61 12.23 0.00 1153.07 12.24 0.00 1157.53 12.25 0.00 1162.00 12.26 0.00 1166.49 12.27 0.00 1170.97 12.28 0.00 1175.47 12.29 0.00 1179.97 12.30 0.00 1184.49 12.31 0.00 1189.00 12.32 0.00 1193.53 12.33 0.00 1198.07 12.34 0.00 1202.61 12.35 0.00 1207.16 12.36 0.00 1211.71 12.37 0.00 1216.28 12.38 0.00 1220.85 12.39 0.00 1225.43 12.40 0.00 1230.02 12.41 0.00 1234.61 12.42 0.00 1239.21 12.43 0.00 1243.82 12.44 0.00 1248.44 12.45 0.00 1253.07 12.46 0.00 1257.70 12.47 0.00 1262.34 12.48 0.00 1266.99 12.49 0.00 1271.64 12.50 0.00 1276.31 12.51 0.00 1280.98 12.52 0.00 1285.66 12.53 0.00 1290.34 12.54 0.00 1295.03 12.55 0.00 1299.73 12.56 0.00 1304.44 12.57 0.00 1309.16 12.58 0.00 1313.88 12.59 0.00 1318.61 12.60 0.00 1323.35 12.61 0.00 1328.10 12.62 0.00 1332.85 12.63 0.00 1337.61 12.64 0.00 1342.38 12.65 0.00 1347.15 12.66 0.00 1351.94 12.67 0.00 1356.73 12.68 0.00 1361.53 12.69 0.00 1366.33 12.70 0.00 1371.14 12.71 0.00 1375.96 12.72 0.00 1380.79 12.73 0.00 1385.63 12.74 0.00 1390.47 12.75 0.00 1395.32 12.76 0.00 1400.18 12.77 0.00 1405.04 12.78 0.00 1409.92 12.79 0.00 1414.80 12.80 0.00 1419.69 12.81 0.00 1424.58 12.82 0.00 1429.48 12.83 0.00 1434.39 12.84 0.00 1439.31 12.85 0.00 1444.24 12.86 0.00 1449.17 12.87 0.00 1454.11 12.88 0.00 1459.05 12.89 0.00 1464.01 12.90 0.00 1468.97 12.91 0.00 1473.94 12.92 0.00 1478.92 12.93 0.00 1483.90 12.94 0.00 1488.89 12.95 0.00 1493.89 12.96 0.00 1498.90 12.97 0.00 1503.91 12.98 0.00 1508.93 12.99 0.00 1513.96 13.00 0.00 1519.00 13.01 0.00 1524.04 13.02 0.00 1529.09 13.03 0.00 1534.15 13.04 0.00 1539.22 13.05 0.00 1544.29 13.06 0.00 1549.37 13.07 0.00 1554.46 13.08 0.00 1559.55 13.09 0.00 1564.66 13.10 0.00 1569.77 13.11 0.00 1574.88 13.12 0.00 1580.01 13.13 0.00 1585.14 13.14 0.00 1590.28 13.15 0.00 1595.43 13.16 0.00 1600.58 13.17 0.00 1605.74 13.18 0.00 1610.91 13.19 0.00 1616.09 13.20 0.00 1621.27 13.21 0.00 1626.46 13.22 0.00 1631.66 13.23 0.00 1636.86 13.24 0.00 1642.08 13.25 0.00 1647.30 13.26 0.00 1652.52 13.27 0.00 1657.76 13.28 0.00 1663.00 13.29 0.00 1668.25 13.30 0.00 1673.51 13.31 0.00 1678.77 13.32 0.00 1684.04 13.33 0.00 1689.32 13.34 0.00 1694.60 13.35 0.00 1699.90 13.36 0.00 1705.20 13.37 0.00 1710.51 13.38 0.00 1715.82 13.39 0.00 1721.14 13.40 0.00 1726.47 13.41 0.00 1731.81 13.42 0.00 1737.15 13.43 0.00 1742.50 13.44 0.00 1747.86 13.45 0.00 1753.23 13.46 0.00 1758.60 13.47 0.00 1763.98 13.48 0.00 1769.37 13.49 0.00 1774.76 13.50 0.00 1780.17 13.51 0.00 1785.58 13.52 0.00 1790.99 13.53 0.00 1796.42 13.54 0.00 1801.85 13.55 0.00 1807.29 13.56 0.00 1812.73 13.57 0.00 1818.18 13.58 0.00 1823.64 13.59 0.00 1829.11 13.60 0.00 1834.59 13.61 0.00 1840.07 13.62 0.00 1845.56 13.63 0.00 1851.05 13.64 0.00 1856.56 13.65 0.00 1862.07 13.66 0.00 1867.58 13.67 0.00 1873.11 13.68 0.00 1878.64 13.69 0.00 1884.18 13.70 0.00 1889.73 13.71 0.00 1895.28 13.72 0.00 1900.84 13.73 0.00 1906.41 13.74 0.00 1911.99 13.75 0.00 1917.57 13.76 0.00 1923.16 13.77 0.00 1928.76 13.78 0.00 1934.36 13.79 0.00 1939.97 13.80 0.00 1945.59 13.81 0.00 1951.22 13.82 0.00 1956.85 13.83 0.00 1962.49 13.84 0.00 1968.14 13.85 0.00 1973.79 13.86 0.00 1979.45 13.87 0.00 1985.12 13.88 0.00 1990.80 13.89 0.00 1996.48 13.90 0.00 2002.17 13.91 0.00 2007.87 13.92 0.00 2013.57 13.93 0.00 2019.29 13.94 0.00 2025.00 13.95 0.00 2030.73 13.96 0.00 2036.46 13.97 0.00 2042.20 13.98 0.00 2047.95 13.99 0.00 2053.71 14.00 0.00 2059.47 14.01 0.00 2065.24 14.02 0.00 2071.01 14.03 0.00 2076.80 14.04 0.00 2082.59 14.05 0.00 2088.38 14.06 0.00 2094.19 14.07 0.00 2100.00 *