{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/u-s-geological-survey/refs/heads/main/json-structure/usgs-water-data-api-time-series-properties-structure.json",
  "description": "Properties of a single water data observation.",
  "type": "object",
  "properties": {
    "monitoringLocationIdentifier": {
      "type": "string",
      "description": "Monitoring location identifier.",
      "example": "USGS-11169025"
    },
    "observedPropertyId": {
      "type": "string",
      "description": "USGS parameter code for the measured property.",
      "example": "00060"
    },
    "observedPropertyName": {
      "type": "string",
      "description": "Human-readable parameter name.",
      "example": "Streamflow, ft\u00b3/s"
    },
    "phenomenonTime": {
      "type": "datetime",
      "description": "ISO 8601 datetime when the measurement was taken.",
      "example": "2025-03-15T14:00:00Z"
    },
    "result": {
      "type": "double",
      "description": "Measured value.",
      "example": 450.0
    },
    "resultUnitCode": {
      "type": "string",
      "description": "Unit of measurement.",
      "example": "ft3/s"
    },
    "resultQualityCode": {
      "type": "string",
      "description": "Quality code: P (provisional), A (approved), e (estimated).",
      "example": "P"
    }
  },
  "name": "TimeSeriesProperties"
}