{
  "fields": [
    {
      "name": "record_date",
      "type": "datetime",
      "title": "recorddate",
      "description": "The day of the reading as the publisher's service stores it, local midnight in UTC."
    },
    {
      "name": "dam",
      "type": "string",
      "title": "dam"
    },
    {
      "name": "volume_ml",
      "type": "number",
      "title": "volume_ML",
      "description": "The volume held, in megalitres. Null where no reading was recorded."
    },
    {
      "name": "volume_percent_full",
      "type": "number",
      "title": "volume_percentfull",
      "description": "The volume as a percentage of the dam's capacity, as published."
    },
    {
      "name": "object_id",
      "type": "integer",
      "title": "ObjectId",
      "description": "The row's id in the publisher's service."
    }
  ],
  "missingValues": [
    ""
  ],
  "primaryKey": [
    "object_id"
  ]
}