# //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: 2026-03-30 22:35:02 # //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="11162753 " TIME_ZONE="PST" DST_FLAG=Y # //STATION NAME="SAN MATEO C BL LO CRYSTAL SP RES NR SAN MATEO CA" # //LABEL="Discharge (ft^3/s)" # //PARAMETER CODE="00060" # //RATING SHIFTED="20260330223502 PST" # //RATING ID="8.0" TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="Rating reflects middle and upper end fill, and low end scour caused by fallen tree in January 2023. WY 2023 measurements used for rating development." # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=4.100000E+00 BREAKPOINT2=6.700000E+00 # //RATING OFFSET1=3.720000E+00 OFFSET2=3.900000E+00 OFFSET3=0.000000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20230102115500 BZONE=-08:00 END=-------------- EZONE=--- AGING=1 # //RATING_DATETIME COMMENT="Rating reflects middle and upper end fill, and low end scour caused by fallen tree in January 2023. WY 2023 measurements used for rating development." # //SHIFT_PREV BEGIN="20260318074500" BZONE="-08:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="4.00" SHIFT1="0.01" STAGE2="4.80" SHIFT2="0.01" STAGE3="7.50" SHIFT3="0.00" # //SHIFT_PREV COMMENT="prorated" # //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 3.73 0.01 0.00 3.74 0.00 0.00 * 3.75 0.00 0.01 3.76 0.01 0.02 * 3.77 0.01 0.03 3.78 0.01 0.04 3.79 0.01 0.06 3.80 0.01 0.08 3.81 0.01 0.10 3.82 0.01 0.13 3.83 0.01 0.16 3.84 0.01 0.20 3.85 0.01 0.24 3.86 0.01 0.28 3.87 0.01 0.34 3.88 0.01 0.39 3.89 0.01 0.45 3.90 0.01 0.52 3.91 0.01 0.59 3.92 0.01 0.67 3.93 0.01 0.75 3.94 0.01 0.84 3.95 0.01 0.94 3.96 0.01 1.04 3.97 0.01 1.15 3.98 0.01 1.26 3.99 0.01 1.38 4.00 0.01 1.51 4.01 0.01 1.65 4.02 0.01 1.79 4.03 0.01 1.94 4.04 0.01 2.10 4.05 0.01 2.26 4.06 0.01 2.44 4.07 0.01 2.62 4.08 0.01 2.80 4.09 0.01 3.00 4.10 0.01 3.24 * 4.11 0.01 3.49 4.12 0.01 3.75 4.13 0.01 4.01 4.14 0.01 4.28 4.15 0.01 4.56 4.16 0.01 4.84 4.17 0.01 5.13 4.18 0.01 5.43 4.19 0.01 5.73 4.20 0.01 6.04 4.21 0.01 6.35 4.22 0.01 6.67 4.23 0.01 7.00 4.24 0.01 7.33 4.25 0.01 7.67 4.26 0.01 8.01 4.27 0.01 8.36 4.28 0.01 8.72 4.29 0.01 9.08 4.30 0.01 9.44 4.31 0.01 9.81 4.32 0.01 10.19 4.33 0.01 10.57 4.34 0.01 10.95 4.35 0.01 11.34 4.36 0.01 11.74 4.37 0.01 12.14 4.38 0.01 12.55 4.39 0.01 12.96 4.40 0.01 13.38 4.41 0.01 13.80 4.42 0.01 14.22 4.43 0.01 14.66 4.44 0.01 15.09 4.45 0.01 15.53 4.46 0.01 15.98 4.47 0.01 16.43 4.48 0.01 16.88 4.49 0.01 17.34 4.50 0.01 17.81 4.51 0.01 18.27 4.52 0.01 18.75 4.53 0.01 19.22 4.54 0.01 19.71 4.55 0.01 20.19 4.56 0.01 20.68 4.57 0.01 21.18 4.58 0.01 21.68 4.59 0.01 22.18 4.60 0.01 22.69 4.61 0.01 23.20 4.62 0.01 23.72 4.63 0.01 24.24 4.64 0.01 24.77 4.65 0.01 25.30 4.66 0.01 25.83 4.67 0.01 26.37 4.68 0.01 26.91 4.69 0.01 27.45 4.70 0.01 28.00 4.71 0.01 28.56 4.72 0.01 29.12 4.73 0.01 29.68 4.74 0.01 30.25 4.75 0.01 30.82 4.76 0.01 31.39 4.77 0.01 31.97 4.78 0.01 32.55 4.79 0.01 33.14 4.80 0.01 33.73 4.81 0.01 34.32 4.82 0.01 34.91 4.83 0.01 35.51 4.84 0.01 36.12 4.85 0.01 36.72 4.86 0.01 37.33 4.87 0.01 37.95 4.88 0.01 38.57 4.89 0.01 39.19 4.90 0.01 39.81 4.91 0.01 40.44 4.92 0.01 41.08 4.93 0.01 41.71 4.94 0.01 42.35 4.95 0.01 43.00 4.96 0.01 43.64 4.97 0.01 44.30 4.98 0.01 44.95 4.99 0.01 45.61 5.00 0.01 46.27 5.01 0.01 46.94 5.02 0.01 47.60 5.03 0.01 48.28 5.04 0.01 48.95 5.05 0.01 49.63 5.06 0.01 50.32 5.07 0.01 51.00 5.08 0.01 51.69 5.09 0.01 52.39 5.10 0.01 53.08 5.11 0.01 53.78 5.12 0.01 54.49 5.13 0.01 55.19 5.14 0.01 55.90 5.15 0.01 56.62 5.16 0.01 57.34 5.17 0.01 58.06 5.18 0.01 58.78 5.19 0.01 59.51 5.20 0.01 60.24 5.21 0.01 60.97 5.22 0.01 61.71 5.23 0.01 62.45 5.24 0.01 63.20 5.25 0.01 63.94 5.26 0.01 64.69 5.27 0.01 65.45 5.28 0.01 66.20 5.29 0.01 66.97 5.30 0.01 67.73 5.31 0.01 68.50 5.32 0.01 69.27 5.33 0.01 70.04 5.34 0.01 70.82 5.35 0.01 71.60 5.36 0.01 72.38 5.37 0.01 73.16 5.38 0.01 73.95 5.39 0.01 74.75 5.40 0.01 75.54 5.41 0.01 76.34 5.42 0.01 77.14 5.43 0.01 77.95 5.44 0.01 78.76 5.45 0.01 79.57 5.46 0.01 80.38 5.47 0.01 81.20 5.48 0.01 82.02 5.49 0.01 82.84 5.50 0.01 83.67 5.51 0.01 84.50 5.52 0.01 85.33 5.53 0.01 86.17 5.54 0.01 87.01 5.55 0.01 87.85 5.56 0.01 88.69 5.57 0.01 89.54 5.58 0.01 90.39 5.59 0.01 91.25 5.60 0.01 92.10 5.61 0.01 92.96 5.62 0.01 93.83 5.63 0.01 94.69 5.64 0.01 95.56 5.65 0.01 96.43 5.66 0.01 97.31 5.67 0.01 98.19 5.68 0.01 99.07 5.69 0.01 99.95 5.70 0.01 100.84 5.71 0.01 101.73 5.72 0.01 102.62 5.73 0.01 103.51 5.74 0.01 104.41 5.75 0.01 105.31 5.76 0.01 106.22 5.77 0.01 107.12 5.78 0.01 108.03 5.79 0.01 108.95 5.80 0.01 109.86 5.81 0.01 110.78 5.82 0.01 111.70 5.83 0.01 112.63 5.84 0.01 113.55 5.85 0.01 114.48 5.86 0.01 115.42 5.87 0.01 116.35 5.88 0.01 117.29 5.89 0.01 118.23 5.90 0.01 119.17 5.91 0.01 120.12 5.92 0.01 121.07 5.93 0.01 122.02 5.94 0.01 122.98 5.95 0.01 123.94 5.96 0.01 124.90 5.97 0.01 125.86 5.98 0.01 126.83 5.99 0.01 127.79 6.00 0.01 128.77 6.01 0.01 129.74 6.02 0.01 130.72 6.03 0.01 131.70 6.04 0.01 132.68 6.05 0.01 133.67 6.06 0.01 134.65 6.07 0.01 135.64 6.08 0.01 136.64 6.09 0.01 137.63 6.10 0.01 138.63 6.11 0.01 139.63 6.12 0.01 140.64 6.13 0.01 141.65 6.14 0.01 142.66 6.15 0.00 143.67 6.16 0.00 144.68 6.17 0.00 145.70 6.18 0.00 146.72 6.19 0.00 147.74 6.20 0.00 148.77 6.21 0.00 149.80 6.22 0.00 150.83 6.23 0.00 151.86 6.24 0.00 152.90 6.25 0.00 153.94 6.26 0.00 154.98 6.27 0.00 156.02 6.28 0.00 157.07 6.29 0.00 158.12 6.30 0.00 159.17 6.31 0.00 160.23 6.32 0.00 161.28 6.33 0.00 162.34 6.34 0.00 163.41 6.35 0.00 164.47 6.36 0.00 165.54 6.37 0.00 166.61 6.38 0.00 167.68 6.39 0.00 168.76 6.40 0.00 169.83 6.41 0.00 170.91 6.42 0.00 172.00 6.43 0.00 173.08 6.44 0.00 174.17 6.45 0.00 175.26 6.46 0.00 176.35 6.47 0.00 177.45 6.48 0.00 178.55 6.49 0.00 179.65 6.50 0.00 180.75 6.51 0.00 181.86 6.52 0.00 182.97 6.53 0.00 184.08 6.54 0.00 185.19 6.55 0.00 186.31 6.56 0.00 187.43 6.57 0.00 188.55 6.58 0.00 189.67 6.59 0.00 190.80 6.60 0.00 191.92 6.61 0.00 193.05 6.62 0.00 194.19 6.63 0.00 195.32 6.64 0.00 196.46 6.65 0.00 197.60 6.66 0.00 198.75 6.67 0.00 199.89 6.68 0.00 201.04 6.69 0.00 202.19 6.70 0.00 203.38 * 6.71 0.00 204.65 6.72 0.00 205.94 6.73 0.00 207.22 6.74 0.00 208.52 6.75 0.00 209.82 6.76 0.00 211.12 6.77 0.00 212.43 6.78 0.00 213.75 6.79 0.00 215.08 6.80 0.00 216.41 6.81 0.00 217.75 6.82 0.00 219.09 6.83 0.00 220.44 6.84 0.00 221.80 6.85 0.00 223.16 6.86 0.00 224.53 6.87 0.00 225.90 6.88 0.00 227.28 6.89 0.00 228.67 6.90 0.00 230.07 6.91 0.00 231.47 6.92 0.00 232.88 6.93 0.00 234.29 6.94 0.00 235.71 6.95 0.00 237.14 6.96 0.00 238.57 6.97 0.00 240.01 6.98 0.00 241.46 6.99 0.00 242.91 7.00 0.00 244.37 7.01 0.00 245.84 7.02 0.00 247.31 7.03 0.00 248.79 7.04 0.00 250.28 7.05 0.00 251.78 7.06 0.00 253.28 7.07 0.00 254.78 7.08 0.00 256.30 7.09 0.00 257.82 7.10 0.00 259.35 7.11 0.00 260.88 7.12 0.00 262.42 7.13 0.00 263.97 7.14 0.00 265.53 7.15 0.00 267.09 7.16 0.00 268.66 7.17 0.00 270.24 7.18 0.00 271.82 7.19 0.00 273.41 7.20 0.00 275.01 7.21 0.00 276.62 7.22 0.00 278.23 7.23 0.00 279.85 7.24 0.00 281.47 7.25 0.00 283.11 7.26 0.00 284.75 7.27 0.00 286.40 7.28 0.00 288.05 7.29 0.00 289.72 7.30 0.00 291.39 7.31 0.00 293.06 7.32 0.00 294.75 7.33 0.00 296.44 7.34 0.00 298.14 7.35 0.00 299.85 7.36 0.00 301.56 7.37 0.00 303.28 7.38 0.00 305.01 7.39 0.00 306.75 7.40 0.00 308.49 7.41 0.00 310.25 7.42 0.00 312.00 7.43 0.00 313.77 7.44 0.00 315.55 7.45 0.00 317.33 7.46 0.00 319.12 7.47 0.00 320.92 7.48 0.00 322.72 7.49 0.00 324.54 7.50 0.00 326.36 7.51 0.00 328.19 7.52 0.00 330.04 7.53 0.00 331.89 7.54 0.00 333.75 7.55 0.00 335.61 7.56 0.00 337.49 7.57 0.00 339.37 7.58 0.00 341.26 7.59 0.00 343.16 7.60 0.00 345.07 7.61 0.00 346.98 7.62 0.00 348.91 7.63 0.00 350.84 7.64 0.00 352.78 7.65 0.00 354.73 7.66 0.00 356.68 7.67 0.00 358.65 7.68 0.00 360.62 7.69 0.00 362.60 7.70 0.00 364.59 7.71 0.00 366.58 7.72 0.00 368.59 7.73 0.00 370.60 7.74 0.00 372.63 7.75 0.00 374.66 7.76 0.00 376.70 7.77 0.00 378.74 7.78 0.00 380.80 7.79 0.00 382.86 7.80 0.00 384.94 7.81 0.00 387.02 7.82 0.00 389.11 7.83 0.00 391.21 7.84 0.00 393.31 7.85 0.00 395.43 7.86 0.00 397.56 7.87 0.00 399.69 7.88 0.00 401.83 7.89 0.00 403.98 7.90 0.00 406.14 7.91 0.00 408.31 7.92 0.00 410.49 7.93 0.00 412.67 7.94 0.00 414.87 7.95 0.00 417.07 7.96 0.00 419.28 7.97 0.00 421.51 7.98 0.00 423.74 7.99 0.00 425.98 8.00 0.00 428.23 8.01 0.00 430.48 8.02 0.00 432.75 8.03 0.00 435.03 8.04 0.00 437.31 8.05 0.00 439.60 8.06 0.00 441.91 8.07 0.00 444.22 8.08 0.00 446.54 8.09 0.00 448.87 8.10 0.00 451.21 8.11 0.00 453.56 8.12 0.00 455.92 8.13 0.00 458.29 8.14 0.00 460.67 8.15 0.00 463.05 8.16 0.00 465.45 8.17 0.00 467.85 8.18 0.00 470.27 8.19 0.00 472.69 8.20 0.00 475.13 8.21 0.00 477.57 8.22 0.00 480.03 8.23 0.00 482.49 8.24 0.00 484.96 8.25 0.00 487.44 8.26 0.00 489.94 8.27 0.00 492.44 8.28 0.00 494.95 8.29 0.00 497.47 8.30 0.00 500.00 * 8.31 0.00 502.53 8.32 0.00 505.07 8.33 0.00 507.62 8.34 0.00 510.17 8.35 0.00 512.74 8.36 0.00 515.32 8.37 0.00 517.91 8.38 0.00 520.51 8.39 0.00 523.11 8.40 0.00 525.73 8.41 0.00 528.36 8.42 0.00 530.99 8.43 0.00 533.64 8.44 0.00 536.30 8.45 0.00 538.97 8.46 0.00 541.64 8.47 0.00 544.33 8.48 0.00 547.03 8.49 0.00 549.74 8.50 0.00 552.46 8.51 0.00 555.18 8.52 0.00 557.92 8.53 0.00 560.67 8.54 0.00 563.43 8.55 0.00 566.20 8.56 0.00 568.98 8.57 0.00 571.77 8.58 0.00 574.57 8.59 0.00 577.38 8.60 0.00 580.20 8.61 0.00 583.04 8.62 0.00 585.88 8.63 0.00 588.73 8.64 0.00 591.59 8.65 0.00 594.47 8.66 0.00 597.35 8.67 0.00 600.25 8.68 0.00 603.16 8.69 0.00 606.07 8.70 0.00 609.00 *