{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "HistoricalStatistic",
  "type": "object",
  "properties": {
    "ssid": {
      "type": "string",
      "description": "Statistics identifier"
    },
    "dataPoints": {
      "type": "array",
      "description": "Time series data points"
    },
    "unit": {
      "type": "string",
      "description": "Unit of measurement"
    }
  }
}