Scientific Validation

Modern five-strand snapshot with summary metrics. Full 1901–2026 replay opens on a dedicated detail page.

Modern five-strand comparison

2007–2026 snapshot · verified milestones only

Five-strand dataset not yet published in this build.

season spine 1901–2026 three-band windows. Five-strand dataset not yet published in this build.

Five-strand dataset not yet published in this build.

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Historical n

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Historical MAE (days)

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Modern n

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Modern MAE (days)