{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api.tidesandcurrents.noaa.gov/schemas/station",
  "title": "CO-OPS Station",
  "description": "A NOAA CO-OPS monitoring station with location, affiliation, and available data products.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique station identifier. 7 numeric digits for water level and meteorological stations; alphanumeric codes for current meter stations.",
      "examples": ["9414290", "8454000", "cb1401"]
    },
    "name": {
      "type": "string",
      "description": "Human-readable name of the monitoring station.",
      "examples": ["San Francisco", "Providence", "Chesapeake Bay Entrance"]
    },
    "lat": {
      "type": "number",
      "description": "Station latitude in decimal degrees (WGS84).",
      "minimum": -90,
      "maximum": 90,
      "examples": [37.8063, 41.6779]
    },
    "lng": {
      "type": "number",
      "description": "Station longitude in decimal degrees (WGS84).",
      "minimum": -180,
      "maximum": 180,
      "examples": [-122.4659, -71.4011]
    },
    "state": {
      "type": "string",
      "description": "US state or territory abbreviation.",
      "examples": ["CA", "RI", "VA"]
    },
    "timezone": {
      "type": "string",
      "description": "IANA timezone string for the station's local time zone.",
      "examples": ["America/Los_Angeles", "America/New_York"]
    },
    "timezonecorr": {
      "type": "integer",
      "description": "UTC offset in hours for the station's local standard time.",
      "examples": [-8, -5]
    },
    "observedst": {
      "type": "boolean",
      "description": "Whether the station observes daylight saving time."
    },
    "stormsurge": {
      "type": "number",
      "description": "Storm surge threshold for this station in meters.",
      "examples": [0.6, 0.9]
    },
    "portscode": {
      "type": ["string", "null"],
      "description": "PORTS (Physical Oceanographic Real-Time System) code if this station is part of a PORTS system.",
      "examples": ["sf", "cb", null]
    },
    "products": {
      "type": "object",
      "description": "Data products available at this station.",
      "properties": {
        "product": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "name": {
                "type": "string",
                "description": "Product name",
                "examples": ["Water Levels", "Tide Predictions", "Wind"]
              }
            }
          }
        }
      }
    },
    "datums": {
      "type": "array",
      "description": "Vertical datums available for this station.",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "description": "Datum name",
            "enum": [
              "CRD", "IGLD", "LWD", "MHHW", "MHW", "MTL",
              "MSL", "MLW", "MLLW", "NAVD", "STND"
            ]
          },
          "value": {
            "type": "number",
            "description": "Datum value relative to station datum (STND) in meters"
          }
        }
      }
    },
    "affiliations": {
      "type": "string",
      "description": "Organizational affiliation(s) of the station.",
      "examples": ["NWLON", "PORTS", "COOP"]
    },
    "self": {
      "type": "string",
      "format": "uri",
      "description": "Canonical URL for this station resource.",
      "examples": ["https://api.tidesandcurrents.noaa.gov/mdapi/prod/webapi/stations/9414290.json"]
    }
  },
  "required": ["id", "name", "lat", "lng"]
}