GET /v1/verification/table

$0.03dailytier: datacache 3600sEngine B — Weather Intelligence

The audit table behind our free verification summary: every scored forecast/actual pair, aggregated at daily granularity per station × lead × method segment × model version, over a selectable window up to 90 days. Each cell carries our MAE, signed bias, the raw-NWS baseline MAE on the same rows where our forecast can differ from NWS, and sample counts. Scored against real NWS station observations; versions are never mixed.

The free rollup at /v1/verification/scores stays free forever — this table is for buyers who want to audit it: per-day, per-station resolution, the signed bias the rollup omits, and window control (7–90 days). mae_nws is captured at issue time from the raw NWS gridpoint and only exists in the 'nws-blend' segment — in 'nws-gridpoint' rows our forecast IS NWS, so a baseline column would be tautological. Historical fit metrics (historical_oos on the free route) are offline holdout numbers and are deliberately not mixed into this live table.

Parameters

NameInTypeRequiredNotes
daysqueryintegernoRolling window length in days (default: 30)
stationquerystringnoFilter to one ICAO station, e.g. KNYC
lead_hoursqueryintegerno
segmentquerystringno — one of "nws-blend", "nws-gridpoint"

Example

curl "https://x402-factory.com/v1/verification/table?days=30"

Full table, trailing 30 days.

Example response

Worked example from deterministic fixture data (note meta.data_mode); live responses report their own sources and data_mode.

{
  "data": {
    "rows": [
      {
        "date": "2026-07-13",
        "station": "KATL",
        "region": "southeast",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.2,
        "bias_ours": 0.2,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KATL",
        "region": "southeast",
        "variable": "wind",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.5,
        "bias_ours": -0.2,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KATL",
        "region": "southeast",
        "variable": "temp",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.5,
        "bias_ours": -0.1,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KATL",
        "region": "southeast",
        "variable": "wind",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.45,
        "bias_ours": -0.45,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KATL",
        "region": "southeast",
        "variable": "temp",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.2,
        "bias_ours": 1.2,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KATL",
        "region": "southeast",
        "variable": "wind",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.15,
        "bias_ours": -0.15,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KAUS",
        "region": "south",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.6,
        "bias_ours": 0.6,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KAUS",
        "region": "south",
        "variable": "wind",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.9,
        "bias_ours": 0.9,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KAUS",
        "region": "south",
        "variable": "temp",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.6,
        "bias_ours": 0.6,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KAUS",
        "region": "south",
        "variable": "wind",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0,
        "bias_ours": 0,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KAUS",
        "region": "south",
        "variable": "temp",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.1,
        "bias_ours": 1.1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KAUS",
        "region": "south",
        "variable": "wind",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0,
        "bias_ours": 0,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBNA",
        "region": "southeast",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.1,
        "bias_ours": 0.1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBNA",
        "region": "southeast",
        "variable": "wind",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.8,
        "bias_ours": 0.8,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBNA",
        "region": "southeast",
        "variable": "temp",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.8,
        "bias_ours": 0.8,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBNA",
        "region": "southeast",
        "variable": "wind",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.5,
        "bias_ours": -2.5,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBNA",
        "region": "southeast",
        "variable": "temp",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.3,
        "bias_ours": -1.3,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBNA",
        "region": "southeast",
        "variable": "wind",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.6,
        "bias_ours": -1.6,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBOS",
        "region": "northeast",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.6,
        "bias_ours": -0.5,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBOS",
        "region": "northeast",
        "variable": "wind",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.15,
        "bias_ours": 0.15,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBOS",
        "region": "northeast",
        "variable": "temp",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.9,
        "bias_ours": 0.4,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBOS",
        "region": "northeast",
        "variable": "wind",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.5,
        "bias_ours": -0.5,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBOS",
        "region": "northeast",
        "variable": "temp",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.35,
        "bias_ours": 0.35,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KBOS",
        "region": "northeast",
        "variable": "wind",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.65,
        "bias_ours": -0.55,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KCLT",
        "region": "southeast",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.5,
        "bias_ours": 0.5,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KCLT",
        "region": "southeast",
        "variable": "wind",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.4,
        "bias_ours": -0.4,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KCLT",
        "region": "southeast",
        "variable": "temp",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.6,
        "bias_ours": -0.6,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KCLT",
        "region": "southeast",
        "variable": "wind",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.7,
        "bias_ours": -2.7,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KCLT",
        "region": "southeast",
        "variable": "temp",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.4,
        "bias_ours": 0.4,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KCLT",
        "region": "southeast",
        "variable": "wind",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.2,
        "bias_ours": 2.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDAL",
        "region": "south",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.2,
        "bias_ours": 0.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDAL",
        "region": "south",
        "variable": "wind",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.3,
        "bias_ours": -0.3,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDAL",
        "region": "south",
        "variable": "temp",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.2,
        "bias_ours": 1.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDAL",
        "region": "south",
        "variable": "wind",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.7,
        "bias_ours": -0.7,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDAL",
        "region": "south",
        "variable": "temp",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.1,
        "bias_ours": -0.1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDAL",
        "region": "south",
        "variable": "wind",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.3,
        "bias_ours": -0.3,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDCA",
        "region": "northeast",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.2,
        "bias_ours": -0.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDCA",
        "region": "northeast",
        "variable": "wind",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.8,
        "bias_ours": -1.8,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDCA",
        "region": "northeast",
        "variable": "temp",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.2,
        "bias_ours": -0.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDCA",
        "region": "northeast",
        "variable": "wind",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.9,
        "bias_ours": 1.9,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDCA",
        "region": "northeast",
        "variable": "temp",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0,
        "bias_ours": 0,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDCA",
        "region": "northeast",
        "variable": "wind",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.5,
        "bias_ours": -0.5,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDEN",
        "region": "mountain",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.25,
        "bias_ours": 0.25,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDEN",
        "region": "mountain",
        "variable": "wind",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.1,
        "bias_ours": 0.3,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDEN",
        "region": "mountain",
        "variable": "temp",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.6,
        "bias_ours": 0.3,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDEN",
        "region": "mountain",
        "variable": "wind",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.55,
        "bias_ours": -1.55,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDEN",
        "region": "mountain",
        "variable": "temp",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.55,
        "bias_ours": 0.55,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDEN",
        "region": "mountain",
        "variable": "wind",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.2,
        "bias_ours": 0.4,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDFW",
        "region": "south",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.9,
        "bias_ours": -0.9,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDFW",
        "region": "south",
        "variable": "wind",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.7,
        "bias_ours": 0.7,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDFW",
        "region": "south",
        "variable": "temp",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.1,
        "bias_ours": 0.1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDFW",
        "region": "south",
        "variable": "wind",
        "lead_hours": 3,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 3.4,
        "bias_ours": 3.4,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDFW",
        "region": "south",
        "variable": "temp",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.7,
        "bias_ours": 1.7,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDFW",
        "region": "south",
        "variable": "wind",
        "lead_hours": 6,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.6,
        "bias_ours": -0.6,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-13",
        "station": "KDTW",
        "region": "midwest",
        "variable": "temp",
        "lead_hours": 1,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.05,
        "bias_ours": 0.65,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
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        "date": "2026-07-18",
        "station": "KPHL",
        "region": "northeast",
        "variable": "wind",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.2,
        "bias_ours": 1.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KPHX",
        "region": "southwest",
        "variable": "temp",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.65,
        "bias_ours": -0.65,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KPHX",
        "region": "southwest",
        "variable": "wind",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.7,
        "bias_ours": -0.1,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KPHX",
        "region": "southwest",
        "variable": "temp",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.8,
        "bias_ours": -0.8,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KPHX",
        "region": "southwest",
        "variable": "wind",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.7,
        "bias_ours": -0.1,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KPHX",
        "region": "southwest",
        "variable": "temp",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.9,
        "bias_ours": -0.9,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KPHX",
        "region": "southwest",
        "variable": "wind",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.7,
        "bias_ours": -0.1,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAN",
        "region": "west",
        "variable": "temp",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0,
        "bias_ours": 0,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAN",
        "region": "west",
        "variable": "wind",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.9,
        "bias_ours": -1.9,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAN",
        "region": "west",
        "variable": "temp",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0,
        "bias_ours": 0,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAN",
        "region": "west",
        "variable": "wind",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.9,
        "bias_ours": -1.9,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAN",
        "region": "west",
        "variable": "temp",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.1,
        "bias_ours": -0.1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAN",
        "region": "west",
        "variable": "wind",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.9,
        "bias_ours": -1.9,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAT",
        "region": "south",
        "variable": "temp",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.3,
        "bias_ours": 0.3,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAT",
        "region": "south",
        "variable": "wind",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.8,
        "bias_ours": -0.8,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAT",
        "region": "south",
        "variable": "temp",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.3,
        "bias_ours": 0.3,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAT",
        "region": "south",
        "variable": "wind",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.8,
        "bias_ours": -0.8,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAT",
        "region": "south",
        "variable": "temp",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.3,
        "bias_ours": 0.3,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSAT",
        "region": "south",
        "variable": "wind",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.8,
        "bias_ours": -0.8,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSEA",
        "region": "northwest",
        "variable": "temp",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.45,
        "bias_ours": 0.45,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSEA",
        "region": "northwest",
        "variable": "wind",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.75,
        "bias_ours": -2.75,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSEA",
        "region": "northwest",
        "variable": "temp",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.5,
        "bias_ours": 0.5,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSEA",
        "region": "northwest",
        "variable": "wind",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.75,
        "bias_ours": -2.75,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSEA",
        "region": "northwest",
        "variable": "temp",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.65,
        "bias_ours": 0.65,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSEA",
        "region": "northwest",
        "variable": "wind",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.75,
        "bias_ours": -2.75,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSFO",
        "region": "west",
        "variable": "temp",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.3,
        "bias_ours": 1.3,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSFO",
        "region": "west",
        "variable": "wind",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.35,
        "bias_ours": -0.05,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSFO",
        "region": "west",
        "variable": "temp",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.5,
        "bias_ours": 1.5,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSFO",
        "region": "west",
        "variable": "wind",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.35,
        "bias_ours": -0.05,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSFO",
        "region": "west",
        "variable": "temp",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.7,
        "bias_ours": 1.7,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSFO",
        "region": "west",
        "variable": "wind",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1.35,
        "bias_ours": -0.05,
        "mae_nws": null,
        "n": 2,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSLC",
        "region": "mountain",
        "variable": "temp",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.2,
        "bias_ours": 0.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSLC",
        "region": "mountain",
        "variable": "wind",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1,
        "bias_ours": -1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSLC",
        "region": "mountain",
        "variable": "temp",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.2,
        "bias_ours": 0.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSLC",
        "region": "mountain",
        "variable": "wind",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1,
        "bias_ours": -1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSLC",
        "region": "mountain",
        "variable": "temp",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.2,
        "bias_ours": 0.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSLC",
        "region": "mountain",
        "variable": "wind",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 1,
        "bias_ours": -1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSTL",
        "region": "midwest",
        "variable": "temp",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.2,
        "bias_ours": 0.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSTL",
        "region": "midwest",
        "variable": "wind",
        "lead_hours": 24,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.1,
        "bias_ours": -2.1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSTL",
        "region": "midwest",
        "variable": "temp",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.2,
        "bias_ours": 0.2,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSTL",
        "region": "midwest",
        "variable": "wind",
        "lead_hours": 48,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.1,
        "bias_ours": -2.1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSTL",
        "region": "midwest",
        "variable": "temp",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 0.3,
        "bias_ours": 0.3,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      },
      {
        "date": "2026-07-18",
        "station": "KSTL",
        "region": "midwest",
        "variable": "wind",
        "lead_hours": 72,
        "segment": "stub",
        "model_version": "stub-model",
        "mae_ours": 2.1,
        "bias_ours": -2.1,
        "mae_nws": null,
        "n": 1,
        "n_nws": 0
      }
    ],
    "window_days": 30,
    "methodology": "MAE over stored forecast/actual pairs for the verification set (25 cities + 20 airports, rolling 90d), grouped by variable × region × lead × segment × model_version. Rows recorded before 2026-09-08 were backfilled to model_version 'runway-oracle-v4' by timestamp (exact: the v4.1 wrapper deployed after the partition shipped); read skill claims within one version only. Forecasts are recorded at issue time; actuals are real NWS station observations attached after valid time. `segment` is the model's own method label: 'nws-blend' = temperature at the 8 covered stations where the proprietary nowcast informs the series; 'nws-gridpoint' = NWS passthrough (uncovered temperature, and wind everywhere) — there mae_ours equals NWS by construction, so mae_nws is only reported for the blend segment, where it is the raw un-blended NWS gridpoint scored against the same observations. Rows labeled 'stub'/'stub-era' predate the real model (2026-08-13) and verify the deterministic placeholder. historical_oos is offline fit history, kept separate from live pairs.",
    "free_summary": "/v1/verification/scores"
  },
  "meta": {
    "endpoint": "/v1/verification/table",
    "version": "1.0.0",
    "generated_at": "2026-10-05T10:15:58.198Z",
    "freshness": "daily",
    "sources": [
      "stub-model",
      "nws"
    ],
    "request_id": "req_00000000",
    "docs": "https://x402-factory.com/docs/weather.verification-table",
    "data_mode": "live"
  }
}

Response schema (data payload)

{
  "type": "object",
  "properties": {
    "rows": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "date": {
            "type": "string",
            "description": "UTC day the forecasts were valid for"
          },
          "station": {
            "type": "string",
            "description": "ICAO observation station that scored the rows ('unmatched' where none)"
          },
          "region": {
            "type": "string"
          },
          "variable": {
            "type": "string"
          },
          "lead_hours": {
            "type": "number"
          },
          "segment": {
            "type": "string",
            "description": "What produced the forecast: 'nws-blend' (proprietary nowcast at covered stations) or 'nws-gridpoint' (NWS passthrough)"
          },
          "model_version": {
            "type": "string"
          },
          "mae_ours": {
            "type": "number",
            "description": "Mean absolute error of our served forecast, °C"
          },
          "bias_ours": {
            "type": "number",
            "description": "Mean signed error (forecast − actual), °C — the direction of the miss"
          },
          "mae_nws": {
            "anyOf": [
              {
                "type": "number"
              },
              {
                "type": "null"
              }
            ],
            "description": "Raw-NWS baseline MAE on the same rows; null outside the blend segment"
          },
          "n": {
            "type": "number"
          },
          "n_nws": {
            "type": "number"
          }
        },
        "required": [
          "date",
          "station",
          "region",
          "variable",
          "lead_hours",
          "segment",
          "model_version",
          "mae_ours",
          "bias_ours",
          "mae_nws",
          "n",
          "n_nws"
        ],
        "additionalProperties": false
      }
    },
    "window_days": {
      "type": "number"
    },
    "methodology": {
      "type": "string"
    },
    "free_summary": {
      "type": "string",
      "description": "The free rollup this table audits"
    }
  },
  "required": [
    "rows",
    "window_days",
    "methodology",
    "free_summary"
  ],
  "additionalProperties": false
}

The platform wraps every payload in an envelope: { "data": …, "meta": { endpoint, version, generated_at, freshness, sources, request_id, docs, data_mode } }.

Payment (x402)

Unpaid requests receive 402 with payment requirements (accepts). Pay $0.03 in USDC on Base per call via an X-PAYMENT header — see docs.x402.org. With PAYMENT_MODE=disabled (local dev) the endpoint is open.

Errors

StatusCodeMeaning
400INVALID_PARAMSInput failed validation; message lists the offending fields.
404NOT_FOUNDNo matching resource; suggestion may point to a sibling endpoint.
410RESOLVEDMarket/event settled; body includes a resolution summary.
503STALE_DATAUpstream feed down; stale data is never silently served beyond 2× cache TTL.
500INTERNALOur bug. The request_id helps us find it.