Data management reference

Data management

Compare the data maintenance and backup actions available for downloaded observations, summaries, and station .wfdb packages.

Find these actions in the following places:

  • On iPhone and iPad, open Settings › Manage Data. The Manage Data icon in the Station tab toolbar opens the same screen.
  • On macOS, choose Data › Download Older Data, Data › Download Missing Data, Data › Recalculate Summaries, or Data › Optimize Storage…. Choose File › Back Up Database… or File › Restore Backup… for .wfdb backups.

Available actions

ActionBest forResult
Download Older Observations / Mac Download Older DataOlder periods are missingWeather Fusion fetches older history when the provider supports it
Download Missing Observations / Mac Download Missing DataKnown gaps or missing rows need repairWeather Fusion fetches missing observations when the provider supports them
Recalculate SummariesDay, month, or year summaries look out of syncWeather Fusion rebuilds summary values from stored observations
Back Up Database… / Restore Backup…A .wfdb copy is needed or data must be restoredWeather Fusion creates a station backup or merges rows from an existing backup
Optimize Storage…The station database takes more space than neededWeather Fusion rewrites the .wfdb database in the current format to reduce its size; older app versions can no longer open it

For Airport (METAR), the older-history action is Download All Available History. Its estimated number of days depends on verified archive coverage; no estimate appears while archive availability is unresolved.

For procedures, see Download older observations, Fill gaps in historical data, Recalculate summaries, Back up station data, Restore station data, and Optimize station storage.

For connection status, observation counts, stored date ranges, missing records, and database file details, see Manage Data reference.

Inspect .wfdb package contents on macOS

A .wfdb file is a macOS package. In Finder, Control-click or right-click the file, then choose Show Package Contents to view its contents.

The main data file inside the package is store.sqlite, a SQLite database that stores the station data exported by Weather Fusion.