{
  "name": "river-gauge-norms",
  "title": "US river gauge day-of-year norms",
  "description": "Day-of-year streamflow and gauge-height percentile norms for US river gauges, assembled from the USGS daily statistics service into a single bulk file.",
  "created": "2026-09-16T00:00:00Z",
  "homepage": "https://paddlinghubs.com/data/river-gauge-norms",
  "licenses": [
    {
      "name": "CC-BY-4.0",
      "path": "https://creativecommons.org/licenses/by/4.0/",
      "title": "Creative Commons Attribution 4.0"
    }
  ],
  "sources": [
    {
      "title": "USGS daily statistics service: streamflow",
      "path": "https://waterservices.usgs.gov/nwis/stat/",
      "licence": "US government work. Public domain, no restriction.",
      "note": "Discharge in cubic feet per second. The comparable parameter: a percentile at one gauge means the same thing as a percentile at another."
    },
    {
      "title": "USGS daily statistics service: gauge height",
      "path": "https://waterservices.usgs.gov/nwis/stat/",
      "licence": "US government work. Public domain, no restriction.",
      "note": "Gauge height in feet, measured against a datum that is local to each gauge. Raw values are not comparable between gauges. The percentiles are."
    }
  ],
  "resources": [
    {
      "name": "river-gauge-norms",
      "path": "https://cimuxscuhjptusdzcbbu.supabase.co/storage/v1/object/public/open-data/river-gauge-norms/river-gauge-norms.csv",
      "format": "csv",
      "mediatype": "text/csv",
      "bytes": 48208138,
      "description": "One row per gauge, per parameter, per calendar day, with the percentile breakpoints, the record extremes and how many observations are behind them. This is the full dataset."
    },
    {
      "name": "river-gauges",
      "path": "https://cimuxscuhjptusdzcbbu.supabase.co/storage/v1/object/public/open-data/river-gauge-norms/river-gauges.csv",
      "format": "csv",
      "mediatype": "text/csv",
      "bytes": 107531,
      "description": "One row per gauge: its USGS name, coordinates, which parameters it reports and the span of its record. Small enough to read first."
    },
    {
      "name": "river-gauges",
      "path": "https://cimuxscuhjptusdzcbbu.supabase.co/storage/v1/object/public/open-data/river-gauge-norms/river-gauges.geojson",
      "format": "geojson",
      "mediatype": "application/geo+json",
      "bytes": 306333,
      "description": "The same gauges as points, ready to drop into QGIS, Mapbox, Leaflet or a notebook."
    }
  ]
}