As-of Yield

Corn and soybean yields, 2001 to now

Crop yields from satellite data, shown only as they were known on each date.

Showing what was known on

Jul 20, 2012

Iowa corn yield, as estimated on this date

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Which counties are greener or browner than usual

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How good is it? Every past season, predicted without hindsight

Each season is predicted using only earlier seasons and only data published by the prediction date. Errors are against the USDA final. The bad years stay in.

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How fresh is the data

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Use the data yourself

Every view above comes from a public API, and every endpoint takes the same as-of date.

GET /api/v1/signals?region=IA&crop=corn&as_of=2012-07-20
GET /api/v1/export/vegetation.parquet?as_of=2012-07-20