{
  "period": "Seven 24-hour Stage IV grids ending 12:00 UTC, Aug 26\u2013Sep 1, 2017",
  "calculated_at": "2026-09-25",
  "noaa_source": "https://water.noaa.gov/about/precipitation-data-access",
  "noaa_daily_tiff_sha256": {
    "20170826": "c60972d7936f609ef4503575ec460c5259a74f0b3c64b8caadd22fc13bdde1aa",
    "20170827": "dfc38a55581ff2d3321050504b0fde367fc1b7e3f1aecf8919fdd6bf426e67c1",
    "20170828": "d5ea5736aea8148ee0e1b0ad08be1646cdd8cf38dcf73fa40ee1229980b78514",
    "20170829": "4b726a7d0f4fd6724ef8dc4f7d25f0e8017660bcfbe97ead7350ca4eca7c969d",
    "20170830": "ea91c500ab65f23c17d501cd506801e48f7155ec719bff135fd676ce3705cbcd",
    "20170831": "71d3a10671720d2abb85ecb8266aaae01eabc4201a2c9e539b782a333a0a653e",
    "20170901": "b2fba926dc11c6d2517a34e8e445efe04ea36ede261718e0355d7e8d0beed84c"
  },
  "method": "NOAA observation band 1; valid only when all seven grids have nonnegative values. Fractional cell\u2013polygon intersections and EPSG:5070 area weighting. Volume = sum(area \u00d7 inches / 12).",
  "boundary_source": "USGS Watershed Boundary Dataset ArcGIS REST MapServer layers 4 (HUC8) and 6 (HUC12), queried September 25, 2026",
  "boundary_url": "https://hydro.nationalmap.gov/arcgis/rest/services/wbd/MapServer",
  "data_class": "gross_precipitation_not_recoverable_supply",
  "caution": "Historic NOAA grid precipitation intersected with current USGS watershed polygons. These gross rainfall volumes are not runoff, flood excess, legally available diversion, or aquifer recharge. Five pilot HUC8 basins only; no national or full-storm total implied.",
  "rows": [
    {
      "huc": "12040101",
      "name": "West Fork San Jacinto",
      "area_sq_km": 2801.441,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 22.393,
      "gross_rainfall_acre_feet": 1291806,
      "grid_cell_max_inches": 37.02
    },
    {
      "huc": "120401010101",
      "name": "Rocky Creek-West Fork San Jacinto River",
      "area_sq_km": 148.682,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.719,
      "gross_rainfall_acre_feet": 63435,
      "grid_cell_max_inches": 22.429
    },
    {
      "huc": "120401010102",
      "name": "McGary Creek",
      "area_sq_km": 66.568,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.867,
      "gross_rainfall_acre_feet": 28604,
      "grid_cell_max_inches": 22.429
    },
    {
      "huc": "120401010103",
      "name": "West Sandy Creek",
      "area_sq_km": 111.174,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.629,
      "gross_rainfall_acre_feet": 47227,
      "grid_cell_max_inches": 22.461
    },
    {
      "huc": "120401010104",
      "name": "Robinson Creek-West Fork San Jancinto River",
      "area_sq_km": 119.42,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 21.343,
      "gross_rainfall_acre_feet": 52485,
      "grid_cell_max_inches": 22.461
    },
    {
      "huc": "120401010201",
      "name": "East Sandy Creek",
      "area_sq_km": 62.46,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.347,
      "gross_rainfall_acre_feet": 26169,
      "grid_cell_max_inches": 22.22
    },
    {
      "huc": "120401010202",
      "name": "McDonald Creek-West Fork San Jacinto River",
      "area_sq_km": 147.129,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.948,
      "gross_rainfall_acre_feet": 63465,
      "grid_cell_max_inches": 22.22
    },
    {
      "huc": "120401010203",
      "name": "Caney Creek",
      "area_sq_km": 104.718,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 19.272,
      "gross_rainfall_acre_feet": 41557,
      "grid_cell_max_inches": 22.11
    },
    {
      "huc": "120401010204",
      "name": "Hostetter Creek-Lake Conroe",
      "area_sq_km": 158.294,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.439,
      "gross_rainfall_acre_feet": 66624,
      "grid_cell_max_inches": 22.035
    },
    {
      "huc": "120401010205",
      "name": "Little Lake Creek-Lake Conroe",
      "area_sq_km": 127.629,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.011,
      "gross_rainfall_acre_feet": 52592,
      "grid_cell_max_inches": 21.524
    },
    {
      "huc": "120401010206",
      "name": "Town Creek-Lake Conroe",
      "area_sq_km": 119.216,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.825,
      "gross_rainfall_acre_feet": 51124,
      "grid_cell_max_inches": 22.657
    },
    {
      "huc": "120401010207",
      "name": "White Oak Creek-West Fork San Jacinto River",
      "area_sq_km": 94.188,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 22.881,
      "gross_rainfall_acre_feet": 44379,
      "grid_cell_max_inches": 24.512
    },
    {
      "huc": "120401010301",
      "name": "Flagtail Creek-Lake Creek",
      "area_sq_km": 127.391,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 18.045,
      "gross_rainfall_acre_feet": 47337,
      "grid_cell_max_inches": 19.228
    },
    {
      "huc": "120401010302",
      "name": "Garretts Creek",
      "area_sq_km": 81.075,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 18.277,
      "gross_rainfall_acre_feet": 30514,
      "grid_cell_max_inches": 20.547
    },
    {
      "huc": "120401010303",
      "name": "Kidhaw Branch-Lake Creek",
      "area_sq_km": 95.026,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.082,
      "gross_rainfall_acre_feet": 39297,
      "grid_cell_max_inches": 21.488
    },
    {
      "huc": "120401010304",
      "name": "Haynie Creek-Little Caney Creek",
      "area_sq_km": 94.373,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 19.903,
      "gross_rainfall_acre_feet": 38679,
      "grid_cell_max_inches": 21.488
    },
    {
      "huc": "120401010305",
      "name": "Sand Creek-Caney Creek",
      "area_sq_km": 97.346,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.629,
      "gross_rainfall_acre_feet": 41352,
      "grid_cell_max_inches": 24.201
    },
    {
      "huc": "120401010306",
      "name": "Town of Dobbin-Lake Creek",
      "area_sq_km": 73.9,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 22.361,
      "gross_rainfall_acre_feet": 34028,
      "grid_cell_max_inches": 24.839
    },
    {
      "huc": "120401010307",
      "name": "Landrum Creek-Lake Creek",
      "area_sq_km": 136.575,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 23.24,
      "gross_rainfall_acre_feet": 65360,
      "grid_cell_max_inches": 25.803
    },
    {
      "huc": "120401010308",
      "name": "Mound Creek-Lake Creek",
      "area_sq_km": 156.212,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 22.996,
      "gross_rainfall_acre_feet": 73972,
      "grid_cell_max_inches": 25.417
    },
    {
      "huc": "120401010401",
      "name": "Stewarts Creek-West Fork San Jacinto River",
      "area_sq_km": 85.017,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 22.642,
      "gross_rainfall_acre_feet": 39639,
      "grid_cell_max_inches": 26.701
    },
    {
      "huc": "120401010402",
      "name": "Little Caney Creek-West Fork San Jacinto River",
      "area_sq_km": 81.014,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 23.401,
      "gross_rainfall_acre_feet": 39039,
      "grid_cell_max_inches": 26.701
    },
    {
      "huc": "120401010403",
      "name": "Crystal Creek",
      "area_sq_km": 124.884,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 21.358,
      "gross_rainfall_acre_feet": 54924,
      "grid_cell_max_inches": 24.535
    },
    {
      "huc": "120401010404",
      "name": "Black Slough-West Fork San Jacinto River",
      "area_sq_km": 151.511,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.058,
      "gross_rainfall_acre_feet": 87537,
      "grid_cell_max_inches": 34.882
    },
    {
      "huc": "120401010501",
      "name": "Bens Branch",
      "area_sq_km": 152.11,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 32.155,
      "gross_rainfall_acre_feet": 100717,
      "grid_cell_max_inches": 36.201
    },
    {
      "huc": "120401010502",
      "name": "San Jacinto Dam",
      "area_sq_km": 85.531,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 35.06,
      "gross_rainfall_acre_feet": 61750,
      "grid_cell_max_inches": 37.02
    },
    {
      "huc": "12040102",
      "name": "Spring",
      "area_sq_km": 1960.328,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 29.207,
      "gross_rainfall_acre_feet": 1179015,
      "grid_cell_max_inches": 37.339
    },
    {
      "huc": "120401020101",
      "name": "Mound Creek-Cypress Creek",
      "area_sq_km": 116.631,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 29.901,
      "gross_rainfall_acre_feet": 71813,
      "grid_cell_max_inches": 33.594
    },
    {
      "huc": "120401020102",
      "name": "Live Oak Creek",
      "area_sq_km": 48.783,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 29.23,
      "gross_rainfall_acre_feet": 29363,
      "grid_cell_max_inches": 30.843
    },
    {
      "huc": "120401020103",
      "name": "Mallard Lake-Cypress Creek",
      "area_sq_km": 150.89,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 33.229,
      "gross_rainfall_acre_feet": 103248,
      "grid_cell_max_inches": 37.323
    },
    {
      "huc": "120401020104",
      "name": "Dry Creek-Cypress Creek",
      "area_sq_km": 80.908,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 35.281,
      "gross_rainfall_acre_feet": 58780,
      "grid_cell_max_inches": 37.339
    },
    {
      "huc": "120401020105",
      "name": "Little Cypress Creek",
      "area_sq_km": 140.149,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 32.101,
      "gross_rainfall_acre_feet": 92642,
      "grid_cell_max_inches": 35.563
    },
    {
      "huc": "120401020106",
      "name": "Marshall Lake-Cypress Creek",
      "area_sq_km": 141.704,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 30.014,
      "gross_rainfall_acre_feet": 87581,
      "grid_cell_max_inches": 33.461
    },
    {
      "huc": "120401020107",
      "name": "Turkey Creek-Cypress Creek",
      "area_sq_km": 144.986,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 31.397,
      "gross_rainfall_acre_feet": 93737,
      "grid_cell_max_inches": 34.882
    },
    {
      "huc": "120401020201",
      "name": "Kickapoo Creek-Spring Creek",
      "area_sq_km": 89.143,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.072,
      "gross_rainfall_acre_feet": 51531,
      "grid_cell_max_inches": 29.937
    },
    {
      "huc": "120401020202",
      "name": "Threemile Creek-Brushy Creek",
      "area_sq_km": 127.339,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.33,
      "gross_rainfall_acre_feet": 74286,
      "grid_cell_max_inches": 31.689
    },
    {
      "huc": "120401020203",
      "name": "Birch Creek-Walnut Creek",
      "area_sq_km": 95.364,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 27.402,
      "gross_rainfall_acre_feet": 53810,
      "grid_cell_max_inches": 29.142
    },
    {
      "huc": "120401020204",
      "name": "Mink Branch-Walnut Creek",
      "area_sq_km": 99.866,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.686,
      "gross_rainfall_acre_feet": 58990,
      "grid_cell_max_inches": 30.441
    },
    {
      "huc": "120401020205",
      "name": "Sugar Creek-Spring Creek",
      "area_sq_km": 82.896,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 29.236,
      "gross_rainfall_acre_feet": 49906,
      "grid_cell_max_inches": 32.173
    },
    {
      "huc": "120401020206",
      "name": "Hurricane Creek-Mill Creek",
      "area_sq_km": 67.646,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 25.142,
      "gross_rainfall_acre_feet": 35023,
      "grid_cell_max_inches": 28.85
    },
    {
      "huc": "120401020207",
      "name": "Kachel Lake-Mill Creek",
      "area_sq_km": 48.239,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 26.156,
      "gross_rainfall_acre_feet": 25982,
      "grid_cell_max_inches": 28.409
    },
    {
      "huc": "120401020208",
      "name": "Decker Branch-Mill Creek",
      "area_sq_km": 78.974,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 25.614,
      "gross_rainfall_acre_feet": 41654,
      "grid_cell_max_inches": 28.319
    },
    {
      "huc": "120401020209",
      "name": "Dry Creek-Spring Creek",
      "area_sq_km": 103.877,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 25.211,
      "gross_rainfall_acre_feet": 53927,
      "grid_cell_max_inches": 27.575
    },
    {
      "huc": "120401020210",
      "name": "Willow Creek",
      "area_sq_km": 142.631,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.051,
      "gross_rainfall_acre_feet": 82388,
      "grid_cell_max_inches": 33.224
    },
    {
      "huc": "120401020211",
      "name": "Bear Branch-Panther Branch",
      "area_sq_km": 71.655,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 25.169,
      "gross_rainfall_acre_feet": 37138,
      "grid_cell_max_inches": 26.701
    },
    {
      "huc": "120401020212",
      "name": "Panther Branch-Spring Creek",
      "area_sq_km": 75.995,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 26.818,
      "gross_rainfall_acre_feet": 41968,
      "grid_cell_max_inches": 30.803
    },
    {
      "huc": "120401020213",
      "name": "Spring Creek",
      "area_sq_km": 52.652,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 32.511,
      "gross_rainfall_acre_feet": 35249,
      "grid_cell_max_inches": 34.882
    },
    {
      "huc": "12040103",
      "name": "East Fork San Jacinto",
      "area_sq_km": 2577.152,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 27.167,
      "gross_rainfall_acre_feet": 1441748,
      "grid_cell_max_inches": 49.177
    },
    {
      "huc": "120401030101",
      "name": "Hegar Branch-Caney Creek",
      "area_sq_km": 113.655,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 21.375,
      "gross_rainfall_acre_feet": 50026,
      "grid_cell_max_inches": 22.945
    },
    {
      "huc": "120401030102",
      "name": "McRae Creek-Caney Creek",
      "area_sq_km": 125.211,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 22.053,
      "gross_rainfall_acre_feet": 56860,
      "grid_cell_max_inches": 23.819
    },
    {
      "huc": "120401030103",
      "name": "West Fork Spring Branch-Spring Branch",
      "area_sq_km": 96.288,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 23.06,
      "gross_rainfall_acre_feet": 45722,
      "grid_cell_max_inches": 26.461
    },
    {
      "huc": "120401030104",
      "name": "Cagle Branch-Caney Creek",
      "area_sq_km": 61.594,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 22.975,
      "gross_rainfall_acre_feet": 29141,
      "grid_cell_max_inches": 27.441
    },
    {
      "huc": "120401030105",
      "name": "Dry Creek-Caney Creek",
      "area_sq_km": 80.128,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 26.125,
      "gross_rainfall_acre_feet": 43106,
      "grid_cell_max_inches": 29.63
    },
    {
      "huc": "120401030106",
      "name": "Boggy Creek-Peach Creek",
      "area_sq_km": 123.98,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 23.475,
      "gross_rainfall_acre_feet": 59933,
      "grid_cell_max_inches": 26.394
    },
    {
      "huc": "120401030107",
      "name": "Lawrence Creek-Peach Creek",
      "area_sq_km": 91.048,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 25.645,
      "gross_rainfall_acre_feet": 48081,
      "grid_cell_max_inches": 27.673
    },
    {
      "huc": "120401030108",
      "name": "Jayhawker Creek",
      "area_sq_km": 59.892,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 27.396,
      "gross_rainfall_acre_feet": 33788,
      "grid_cell_max_inches": 30.146
    },
    {
      "huc": "120401030109",
      "name": "Gully Branch-Peach Creek",
      "area_sq_km": 128.804,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 27.128,
      "gross_rainfall_acre_feet": 71952,
      "grid_cell_max_inches": 32.858
    },
    {
      "huc": "120401030110",
      "name": "White Oak Creek",
      "area_sq_km": 82.842,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.863,
      "gross_rainfall_acre_feet": 49238,
      "grid_cell_max_inches": 31.685
    },
    {
      "huc": "120401030201",
      "name": "Upper Tarkington Bayou",
      "area_sq_km": 143.785,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.417,
      "gross_rainfall_acre_feet": 84140,
      "grid_cell_max_inches": 33.791
    },
    {
      "huc": "120401030202",
      "name": "Marsh Branch-Tarkington Bayou",
      "area_sq_km": 113.191,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 32.113,
      "gross_rainfall_acre_feet": 74849,
      "grid_cell_max_inches": 36.925
    },
    {
      "huc": "120401030203",
      "name": "Lower Tarkington Bayou",
      "area_sq_km": 71.275,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 35.94,
      "gross_rainfall_acre_feet": 52749,
      "grid_cell_max_inches": 38.512
    },
    {
      "huc": "120401030204",
      "name": "Indian Gulley-Luce Bayou",
      "area_sq_km": 103.223,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 41.491,
      "gross_rainfall_acre_feet": 88192,
      "grid_cell_max_inches": 49.177
    },
    {
      "huc": "120401030205",
      "name": "Luce Bayou",
      "area_sq_km": 119.151,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 34.912,
      "gross_rainfall_acre_feet": 85660,
      "grid_cell_max_inches": 38.512
    },
    {
      "huc": "120401030301",
      "name": "Boswell Creek",
      "area_sq_km": 61.172,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 24.59,
      "gross_rainfall_acre_feet": 30975,
      "grid_cell_max_inches": 26.488
    },
    {
      "huc": "120401030302",
      "name": "Gourd Creek-Winters Bayou",
      "area_sq_km": 159.497,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 22.412,
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      "huc": "120401030307",
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      "huc": "120401030401",
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      "huc": "120401030402",
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      "huc": "12040104",
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      "gross_rainfall_acre_feet": 26397,
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      "gross_rainfall_acre_feet": 34877,
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      "gross_rainfall_acre_feet": 44975,
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    {
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      "gross_rainfall_acre_feet": 50098,
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    {
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      "area_sq_km": 103.431,
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      "gross_rainfall_acre_feet": 47919,
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    {
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      "area_sq_km": 69.582,
      "valid_coverage_pct": 100.0,
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      "gross_rainfall_acre_feet": 30727,
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    {
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      "area_sq_km": 96.394,
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      "gross_rainfall_acre_feet": 40395,
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      "area_sq_km": 142.541,
      "valid_coverage_pct": 100.0,
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      "gross_rainfall_acre_feet": 53619,
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    {
      "huc": "120701040205",
      "name": "Upper West Mill Creek",
      "area_sq_km": 101.655,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 21.436,
      "gross_rainfall_acre_feet": 44871,
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    {
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      "area_sq_km": 132.63,
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      "mean_rainfall_inches": 19.389,
      "gross_rainfall_acre_feet": 52953,
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    {
      "huc": "120701040207",
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      "area_sq_km": 83.464,
      "valid_coverage_pct": 100.0,
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      "gross_rainfall_acre_feet": 34898,
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    {
      "huc": "120701040208",
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      "area_sq_km": 85.499,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 19.136,
      "gross_rainfall_acre_feet": 33692,
      "grid_cell_max_inches": 21.075
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    {
      "huc": "120701040209",
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      "area_sq_km": 145.725,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 22.286,
      "gross_rainfall_acre_feet": 66876,
      "grid_cell_max_inches": 24.783
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    {
      "huc": "120701040210",
      "name": "Deadman Creek-Mill Creek",
      "area_sq_km": 136.553,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 25.409,
      "gross_rainfall_acre_feet": 71449,
      "grid_cell_max_inches": 31.193
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    {
      "huc": "120701040301",
      "name": "Harris Creek-Irons Creek",
      "area_sq_km": 80.484,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 25.861,
      "gross_rainfall_acre_feet": 42860,
      "grid_cell_max_inches": 33.594
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    {
      "huc": "120701040302",
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      "area_sq_km": 62.471,
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      "mean_rainfall_inches": 29.344,
      "gross_rainfall_acre_feet": 37749,
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    {
      "huc": "120701040303",
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      "area_sq_km": 136.548,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 31.5,
      "gross_rainfall_acre_feet": 88571,
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    {
      "huc": "120701040304",
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      "area_sq_km": 73.767,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 25.456,
      "gross_rainfall_acre_feet": 38667,
      "grid_cell_max_inches": 32.697
    },
    {
      "huc": "120701040305",
      "name": "Upper Allens Creek",
      "area_sq_km": 88.296,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 20.703,
      "gross_rainfall_acre_feet": 37642,
      "grid_cell_max_inches": 26.354
    },
    {
      "huc": "120701040306",
      "name": "Lower Allens Creek",
      "area_sq_km": 88.873,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 23.022,
      "gross_rainfall_acre_feet": 42132,
      "grid_cell_max_inches": 29.122
    },
    {
      "huc": "120701040307",
      "name": "Cannons Lake-Brazos River",
      "area_sq_km": 79.764,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.011,
      "gross_rainfall_acre_feet": 46008,
      "grid_cell_max_inches": 32.697
    },
    {
      "huc": "120701040308",
      "name": "Brookshire Creek-Bessies Creek",
      "area_sq_km": 119.55,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 31.409,
      "gross_rainfall_acre_feet": 77322,
      "grid_cell_max_inches": 32.465
    },
    {
      "huc": "120701040309",
      "name": "Cottonwood Creek-Brazos River",
      "area_sq_km": 95.267,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.544,
      "gross_rainfall_acre_feet": 55996,
      "grid_cell_max_inches": 32.055
    },
    {
      "huc": "120701040401",
      "name": "Sandy Branch-Brazos River",
      "area_sq_km": 158.7,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 29.42,
      "gross_rainfall_acre_feet": 96144,
      "grid_cell_max_inches": 35.244
    },
    {
      "huc": "120701040402",
      "name": "Rabbs Bayou-Brazos River",
      "area_sq_km": 141.853,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 33.43,
      "gross_rainfall_acre_feet": 97651,
      "grid_cell_max_inches": 36.559
    },
    {
      "huc": "120701040403",
      "name": "Steep Bank Creek-Brazos River",
      "area_sq_km": 76.711,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 36.765,
      "gross_rainfall_acre_feet": 58076,
      "grid_cell_max_inches": 39.413
    },
    {
      "huc": "120701040404",
      "name": "Coon Creek-Cottonwood Creek",
      "area_sq_km": 80.977,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 28.909,
      "gross_rainfall_acre_feet": 48205,
      "grid_cell_max_inches": 31.091
    },
    {
      "huc": "120701040405",
      "name": "Seabourne Creek-Big Creek",
      "area_sq_km": 94.763,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 29.007,
      "gross_rainfall_acre_feet": 56603,
      "grid_cell_max_inches": 31.094
    },
    {
      "huc": "120701040406",
      "name": "Fairchilds Creek-Big Creek",
      "area_sq_km": 121.867,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 29.436,
      "gross_rainfall_acre_feet": 73870,
      "grid_cell_max_inches": 32.858
    },
    {
      "huc": "120701040407",
      "name": "Worthington Lake-Big Creek",
      "area_sq_km": 88.845,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 30.527,
      "gross_rainfall_acre_feet": 55850,
      "grid_cell_max_inches": 32.264
    },
    {
      "huc": "120701040408",
      "name": "Dry Creek-Rabbs Bayou",
      "area_sq_km": 105.567,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 31.287,
      "gross_rainfall_acre_feet": 68012,
      "grid_cell_max_inches": 37.661
    },
    {
      "huc": "120701040409",
      "name": "Dry Bayou-Brazos River",
      "area_sq_km": 147.862,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 34.212,
      "gross_rainfall_acre_feet": 104169,
      "grid_cell_max_inches": 39.504
    },
    {
      "huc": "120701040501",
      "name": "Cow Creek-Brazos River",
      "area_sq_km": 157.645,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 29.698,
      "gross_rainfall_acre_feet": 96407,
      "grid_cell_max_inches": 35.957
    },
    {
      "huc": "120701040502",
      "name": "Varner Creek",
      "area_sq_km": 135.113,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 23.798,
      "gross_rainfall_acre_feet": 66212,
      "grid_cell_max_inches": 29.535
    },
    {
      "huc": "120701040503",
      "name": "Harris Reservoir-Brazos River",
      "area_sq_km": 127.858,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 23.776,
      "gross_rainfall_acre_feet": 62598,
      "grid_cell_max_inches": 31.28
    },
    {
      "huc": "120701040504",
      "name": "Middle Bayou-Brazos River",
      "area_sq_km": 48.514,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 17.699,
      "gross_rainfall_acre_feet": 17682,
      "grid_cell_max_inches": 20.193
    },
    {
      "huc": "120701040505",
      "name": "Outlet Barzos River",
      "area_sq_km": 144.88,
      "valid_coverage_pct": 100.0,
      "mean_rainfall_inches": 16.626,
      "gross_rainfall_acre_feet": 49602,
      "grid_cell_max_inches": 23.437
    }
  ]
}