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If you are using a weather station type that has a internal memory storing weather data that Cumulus can read, then when Cumulus is restarted it can read historic data from that logging memory. | If you are using a weather station type that has a internal memory storing weather data that Cumulus can read, then when Cumulus is restarted it can read historic data from that logging memory. | ||
This means that if you discover that Cumulus has missed some data, soon after it misses that data, you can '''rewind''', by stopping Cumulus, optionally replacing files in [[Data folder|'''data'' folder]] with earlier copies of those files from [[Backup folder|'''backup''' folder or ''backup/daily'' folder]], and restarting Cumulus. Typical reasons for missing some data would include power blips and problems with the interface between Cumulus and the weather station. | This means that if you discover that Cumulus has missed some data, soon after it misses that data, you can '''rewind''', by stopping Cumulus, optionally replacing files in [[Data folder|'''data'' folder]] with earlier copies of those files from [[Backup folder| '''backup''' folder or ''backup/daily'' folder]], and restarting Cumulus. Typical reasons for missing some data would include power blips and problems with the interface between Cumulus and the weather station. | ||
* For Cumulus 1, to stop Cumulus, you select [[Cumulus Screenshots|Exit]] from the main menu. | * For Cumulus 1, to stop Cumulus, you select [[Cumulus Screenshots|Exit]] from the main menu. |
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