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dwdown: historical observations and MOSMIX forecasts

The open data of the Deutscher Wetterdienst (DWD) are freely available; dwdown reduces the effort required to work with them.

dwdown project banner

The download classes have been reorganized by data product, and two new product families have been added, which removes the need for hand-written download scripts.

New in this release

  • historical, station-based weather observations;
  • MOSMIX forecasts (MOSMIX_L, MOSMIX_S) for approximately 5,400 stations worldwide.

Together they support workflows that download, store, extract, and process a defined subset of the data.

Existing functionality

  • high-resolution ICON-D2 forecasts;
  • S3-compatible object storage with MinIO support and data integrity checks;
  • analysis-ready pandas DataFrames;
  • a modular architecture.

The source code is available in the GitHub repository. Feedback and contributions are welcome.