DATASET / MISSING-DATA

Missing dates and nullable measurements

56 generated measurements across 60 calendar days. Test resampling while distinguishing absent rows from explicit null values.

56 ROWS · GENERATED FIXTURE · CC0 · VERSION 2026-10-01.1

Use the complete fixture

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GET /api/fixtures/missing-data?offset=0&limit=20

Schema

Column	Type
`date`	ISO date
`station`	string
`value`	number \| null
`synthetic`	boolean

Expected results

rows	56
calendar days	60
absent dates	4
null values	6

Preview

[
  {
    "date": "2025-01-01",
    "station": "station-a",
    "value": null,
    "synthetic": true
  },
  {
    "date": "2025-01-02",
    "station": "station-a",
    "value": 12.75,
    "synthetic": true
  }
]

Reproducibility

Compare exact downloaded bytes against the SHA-256 manifest. CSV uses UTF-8 and CRLF record terminators; embedded newlines are quoted. JSON uses null; CSV represents null as an empty field.