docsadvancedsample-size

Sample Size

GET/api/v1/accuracy/sample-size

Raw forecast-actual pair counts by station. Use min_samples to filter to stations with sufficient data for statistical reliability.

Parameters

Name	Type	Required	Description
`days`	integer	optional	Rolling window Default: 90
`min_samples`	integer	optional	Filter to stations with at least this many pairs Default: 0
`metric`	string	optional	high (default) or low — daily high vs daily low verification Default: high

Response Fields

Field	Type	Description
`station_id`	string	ICAO station identifier
`city_name`	string	City display name
`forecast_actual_pairs`	integer	Total verification pairs
`unique_days`	integer	Unique calendar days with data

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cURL

curl -s -H "Authorization: Bearer $API_KEY" "https://api.deltadaemon.com/api/v1/accuracy/sample-size?days=90&min_samples=50"

JSON

{
  "success": true,
  "data": [
    {
      "station_id": "KATL",
      "city_name": "Atlanta",
      "forecast_actual_pairs": 42,
      "unique_days": 4
    },
    {
      "station_id": "KBOS",
      "city_name": "Boston",
      "forecast_actual_pairs": 47,
      "unique_days": 4
    }
  ],
  "metadata": {
    "generated_at": "2026-02-22T07:53:41.055847806Z",
    "days_analyzed": 30,
    "total_records": 872,
    "query_time_ms": 3
  }
}

cURL

curl -s -H "Authorization: Bearer $API_KEY" "https://api.deltadaemon.com/api/v1/accuracy/sample-size?days=90&min_samples=50"

JSON

{
  "success": true,
  "data": [
    {
      "station_id": "KATL",
      "city_name": "Atlanta",
      "forecast_actual_pairs": 42,
      "unique_days": 4
    },
    {
      "station_id": "KBOS",
      "city_name": "Boston",
      "forecast_actual_pairs": 47,
      "unique_days": 4
    }
  ],
  "metadata": {
    "generated_at": "2026-02-22T07:53:41.055847806Z",
    "days_analyzed": 30,
    "total_records": 872,
    "query_time_ms": 3
  }
}