# //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: 2026-01-27 16:45:03 # //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="20260127164503 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="20260126110000" BZONE="-08:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="4.00" SHIFT1="-0.04" STAGE2="4.80" SHIFT2="-0.04" STAGE3="7.50" SHIFT3="0.00" # //SHIFT_PREV 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_NEXT BEGIN="--------------" BZONE="---" END="--------------" EZONE="---" # //SHIFT_NEXT STAGE1="---" SHIFT1="---" STAGE2="---" SHIFT2="---" STAGE3="---" SHIFT3="---" # //SHIFT_NEXT COMMENT=" " INDEP SHIFT DEP STOR 16N 16N 16N 1S 3.78 -0.04 0.00 3.79 -0.05 0.00 3.80 -0.05 0.01 3.81 -0.04 0.02 3.82 -0.04 0.03 3.83 -0.04 0.04 3.84 -0.04 0.06 3.85 -0.04 0.08 3.86 -0.04 0.10 3.87 -0.04 0.13 3.88 -0.04 0.16 3.89 -0.04 0.20 3.90 -0.04 0.24 3.91 -0.04 0.28 3.92 -0.04 0.34 3.93 -0.04 0.39 3.94 -0.04 0.45 3.95 -0.04 0.52 3.96 -0.04 0.59 3.97 -0.04 0.67 3.98 -0.04 0.75 3.99 -0.04 0.84 4.00 -0.04 0.94 4.01 -0.04 1.04 4.02 -0.04 1.15 4.03 -0.04 1.26 4.04 -0.04 1.38 4.05 -0.04 1.51 4.06 -0.04 1.65 4.07 -0.04 1.79 4.08 -0.04 1.94 4.09 -0.04 2.10 4.10 -0.04 2.26 * 4.11 -0.04 2.44 4.12 -0.04 2.62 4.13 -0.04 2.80 4.14 -0.04 3.00 4.15 -0.04 3.24 4.16 -0.04 3.49 4.17 -0.04 3.75 4.18 -0.04 4.01 4.19 -0.04 4.28 4.20 -0.04 4.56 4.21 -0.04 4.84 4.22 -0.04 5.13 4.23 -0.04 5.43 4.24 -0.04 5.73 4.25 -0.04 6.04 4.26 -0.04 6.35 4.27 -0.04 6.67 4.28 -0.04 7.00 4.29 -0.04 7.33 4.30 -0.04 7.67 4.31 -0.04 8.01 4.32 -0.04 8.36 4.33 -0.04 8.72 4.34 -0.04 9.08 4.35 -0.04 9.44 4.36 -0.04 9.81 4.37 -0.04 10.19 4.38 -0.04 10.57 4.39 -0.04 10.95 4.40 -0.04 11.34 4.41 -0.04 11.74 4.42 -0.04 12.14 4.43 -0.04 12.55 4.44 -0.04 12.96 4.45 -0.04 13.38 4.46 -0.04 13.80 4.47 -0.04 14.22 4.48 -0.04 14.66 4.49 -0.04 15.09 4.50 -0.04 15.53 4.51 -0.04 15.98 4.52 -0.04 16.43 4.53 -0.04 16.88 4.54 -0.04 17.34 4.55 -0.04 17.81 4.56 -0.04 18.27 4.57 -0.04 18.75 4.58 -0.04 19.22 4.59 -0.04 19.71 4.60 -0.04 20.19 4.61 -0.04 20.68 4.62 -0.04 21.18 4.63 -0.04 21.68 4.64 -0.04 22.18 4.65 -0.04 22.69 4.66 -0.04 23.20 4.67 -0.04 23.72 4.68 -0.04 24.24 4.69 -0.04 24.77 4.70 -0.04 25.30 4.71 -0.04 25.83 4.72 -0.04 26.37 4.73 -0.04 26.91 4.74 -0.04 27.45 4.75 -0.04 28.00 4.76 -0.04 28.56 4.77 -0.04 29.12 4.78 -0.04 29.68 4.79 -0.04 30.25 4.80 -0.04 30.82 4.81 -0.04 31.40 4.82 -0.04 31.99 4.83 -0.04 32.58 4.84 -0.04 33.17 4.85 -0.04 33.77 4.86 -0.04 34.37 4.87 -0.04 34.98 4.88 -0.04 35.59 4.89 -0.04 36.21 4.90 -0.04 36.82 4.91 -0.04 37.45 4.92 -0.04 38.07 4.93 -0.04 38.70 4.94 -0.04 39.34 4.95 -0.04 39.98 4.96 -0.04 40.62 4.97 -0.04 41.26 4.98 -0.04 41.91 4.99 -0.04 42.57 5.00 -0.04 43.22 5.01 -0.04 43.89 5.02 -0.04 44.55 5.03 -0.04 45.22 5.04 -0.04 45.89 5.05 -0.04 46.57 5.06 -0.04 47.25 5.07 -0.04 47.93 5.08 -0.04 48.62 5.09 -0.04 49.31 5.10 -0.04 50.00 5.11 -0.04 50.70 5.12 -0.04 51.40 5.13 -0.04 52.10 5.14 -0.03 52.81 5.15 -0.03 53.52 5.16 -0.03 54.24 5.17 -0.03 54.96 5.18 -0.03 55.68 5.19 -0.03 56.41 5.20 -0.03 57.14 5.21 -0.03 57.87 5.22 -0.03 58.61 5.23 -0.03 59.35 5.24 -0.03 60.09 5.25 -0.03 60.84 5.26 -0.03 61.59 5.27 -0.03 62.34 5.28 -0.03 63.10 5.29 -0.03 63.86 5.30 -0.03 64.63 5.31 -0.03 65.39 5.32 -0.03 66.17 5.33 -0.03 66.94 5.34 -0.03 67.72 5.35 -0.03 68.50 5.36 -0.03 69.28 5.37 -0.03 70.07 5.38 -0.03 70.86 5.39 -0.03 71.66 5.40 -0.03 72.45 5.41 -0.03 73.26 5.42 -0.03 74.06 5.43 -0.03 74.87 5.44 -0.03 75.68 5.45 -0.03 76.49 5.46 -0.03 77.31 5.47 -0.03 78.13 5.48 -0.03 78.95 5.49 -0.03 79.78 5.50 -0.03 80.61 5.51 -0.03 81.45 5.52 -0.03 82.28 5.53 -0.03 83.12 5.54 -0.03 83.97 5.55 -0.03 84.81 5.56 -0.03 85.66 5.57 -0.03 86.51 5.58 -0.03 87.37 5.59 -0.03 88.23 5.60 -0.03 89.09 5.61 -0.03 89.96 5.62 -0.03 90.82 5.63 -0.03 91.70 5.64 -0.03 92.57 5.65 -0.03 93.45 5.66 -0.03 94.33 5.67 -0.03 95.21 5.68 -0.03 96.10 5.69 -0.03 96.99 5.70 -0.03 97.88 5.71 -0.03 98.78 5.72 -0.03 99.68 5.73 -0.03 100.58 5.74 -0.03 101.48 5.75 -0.03 102.39 5.76 -0.03 103.30 5.77 -0.03 104.22 5.78 -0.03 105.14 5.79 -0.03 106.06 5.80 -0.03 106.98 5.81 -0.03 107.91 5.82 -0.02 108.83 5.83 -0.02 109.77 5.84 -0.02 110.70 5.85 -0.02 111.64 5.86 -0.02 112.58 5.87 -0.02 113.53 5.88 -0.02 114.47 5.89 -0.02 115.42 5.90 -0.02 116.37 5.91 -0.02 117.33 5.92 -0.02 118.29 5.93 -0.02 119.25 5.94 -0.02 120.22 5.95 -0.02 121.18 5.96 -0.02 122.15 5.97 -0.02 123.13 5.98 -0.02 124.10 5.99 -0.02 125.08 6.00 -0.02 126.06 6.01 -0.02 127.05 6.02 -0.02 128.04 6.03 -0.02 129.03 6.04 -0.02 130.02 6.05 -0.02 131.02 6.06 -0.02 132.01 6.07 -0.02 133.02 6.08 -0.02 134.02 6.09 -0.02 135.03 6.10 -0.02 136.04 6.11 -0.02 137.05 6.12 -0.02 138.07 6.13 -0.02 139.09 6.14 -0.02 140.11 6.15 -0.02 141.13 6.16 -0.02 142.16 6.17 -0.02 143.19 6.18 -0.02 144.22 6.19 -0.02 145.26 6.20 -0.02 146.30 6.21 -0.02 147.34 6.22 -0.02 148.38 6.23 -0.02 149.43 6.24 -0.02 150.48 6.25 -0.02 151.53 6.26 -0.02 152.58 6.27 -0.02 153.64 6.28 -0.02 154.70 6.29 -0.02 155.76 6.30 -0.02 156.83 6.31 -0.02 157.90 6.32 -0.02 158.97 6.33 -0.02 160.04 6.34 -0.02 161.12 6.35 -0.02 162.20 6.36 -0.02 163.28 6.37 -0.02 164.36 6.38 -0.02 165.45 6.39 -0.02 166.54 6.40 -0.02 167.63 6.41 -0.02 168.73 6.42 -0.02 169.83 6.43 -0.02 170.93 6.44 -0.02 172.03 6.45 -0.02 173.14 6.46 -0.02 174.24 6.47 -0.02 175.35 6.48 -0.02 176.47 6.49 -0.01 177.58 6.50 -0.01 178.70 6.51 -0.01 179.83 6.52 -0.01 180.95 6.53 -0.01 182.08 6.54 -0.01 183.21 6.55 -0.01 184.34 6.56 -0.01 185.47 6.57 -0.01 186.61 6.58 -0.01 187.75 6.59 -0.01 188.89 6.60 -0.01 190.04 6.61 -0.01 191.18 6.62 -0.01 192.34 6.63 -0.01 193.49 6.64 -0.01 194.64 6.65 -0.01 195.80 6.66 -0.01 196.96 6.67 -0.01 198.12 6.68 -0.01 199.29 6.69 -0.01 200.46 6.70 -0.01 201.63 * 6.71 -0.01 202.80 6.72 -0.01 204.08 6.73 -0.01 205.38 6.74 -0.01 206.69 6.75 -0.01 208.01 6.76 -0.01 209.33 6.77 -0.01 210.66 6.78 -0.01 211.99 6.79 -0.01 213.33 6.80 -0.01 214.68 6.81 -0.01 216.03 6.82 -0.01 217.39 6.83 -0.01 218.76 6.84 -0.01 220.13 6.85 -0.01 221.51 6.86 -0.01 222.90 6.87 -0.01 224.29 6.88 -0.01 225.69 6.89 -0.01 227.10 6.90 -0.01 228.51 6.91 -0.01 229.93 6.92 -0.01 231.36 6.93 -0.01 232.79 6.94 -0.01 234.23 6.95 -0.01 235.68 6.96 -0.01 237.13 6.97 -0.01 238.59 6.98 -0.01 240.06 6.99 -0.01 241.53 7.00 -0.01 243.02 7.01 -0.01 244.50 7.02 -0.01 246.00 7.03 -0.01 247.50 7.04 -0.01 249.01 7.05 -0.01 250.53 7.06 -0.01 252.05 7.07 -0.01 253.58 7.08 -0.01 255.11 7.09 -0.01 256.66 7.10 -0.01 258.21 7.11 -0.01 259.77 7.12 -0.01 261.33 7.13 -0.01 262.91 7.14 -0.01 264.49 7.15 -0.01 266.07 7.16 -0.01 267.67 7.17 0.00 269.27 7.18 0.00 270.88 7.19 0.00 272.50 7.20 0.00 274.12 7.21 0.00 275.75 7.22 0.00 277.39 7.23 0.00 279.03 7.24 0.00 280.69 7.25 0.00 282.35 7.26 0.00 284.02 7.27 0.00 285.69 7.28 0.00 287.37 7.29 0.00 289.07 7.30 0.00 290.76 7.31 0.00 292.47 7.32 0.00 294.18 7.33 0.00 295.90 7.34 0.00 297.63 7.35 0.00 299.37 7.36 0.00 301.11 7.37 0.00 302.87 7.38 0.00 304.63 7.39 0.00 306.39 7.40 0.00 308.17 7.41 0.00 309.95 7.42 0.00 311.74 7.43 0.00 313.54 7.44 0.00 315.35 7.45 0.00 317.16 7.46 0.00 318.99 7.47 0.00 320.82 7.48 0.00 322.66 7.49 0.00 324.50 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 *