docsadvancedexceedance-summary

Exceedance Summary

GET/api/v1/accuracy/exceedance-summary

Aggregate exceedance (miss rate) across all 20 stations. Returns average fraction of forecasts above each threshold — answers 'how often does the forecast miss by more than ±2°F across the network?'

Parameters

Name	Type	Required	Description
`days`	integer	optional	Rolling window Default: 30
`thresholds`	string	optional	Comma-separated °F thresholds Default: 2,3,5
`metric`	string	optional	high (default) or low — daily high vs daily low verification Default: high

Response Fields

Field	Type	Description
`thresholds`	array	Array of { threshold_f, exceedance_rate } (rate as 0-100)
`verification_pairs`	integer	Total pairs across all stations

← Exceedance

Error Distribution →

cURL

curl -s -H "Authorization: Bearer $API_KEY" "https://api.deltadaemon.com/api/v1/accuracy/exceedance-summary?days=30"

JSON

{
  "success": true,
  "data": {
    "thresholds": [
      {"threshold_f": 2, "exceedance_rate": 34.5},
      {"threshold_f": 3, "exceedance_rate": 28.1},
      {"threshold_f": 5, "exceedance_rate": 17.2}
    ],
    "verification_pairs": 1240,
    "unique_days": 30
  },
  "metadata": {
    "generated_at": "2026-03-01T12:00:00Z",
    "days_analyzed": 30,
    "query_time_ms": 8
  }
}

cURL

curl -s -H "Authorization: Bearer $API_KEY" "https://api.deltadaemon.com/api/v1/accuracy/exceedance-summary?days=30"

JSON

{
  "success": true,
  "data": {
    "thresholds": [
      {"threshold_f": 2, "exceedance_rate": 34.5},
      {"threshold_f": 3, "exceedance_rate": 28.1},
      {"threshold_f": 5, "exceedance_rate": 17.2}
    ],
    "verification_pairs": 1240,
    "unique_days": 30
  },
  "metadata": {
    "generated_at": "2026-03-01T12:00:00Z",
    "days_analyzed": 30,
    "query_time_ms": 8
  }
}