Hope somebody can help.
Last night I had to rebuild my PC after it crashed and foolishly forgot that the Cumulus data was in the C:\ directory and therefore I forgot to back it up.
I now have Cumulus re-installed and my weather station connected but it only seems to download the data that has been collected since I lost my PC. The weather station shows that its memory is around 75% full so I am assuming the data is still in there but I cannot get it to download this, only the most recent changes. Is this data marked somehow as "read" and therefore Cumulus doesn't download it. Is there any way to force this data to be downloaded into Cumulus so that I can get my data back.
Appreciate any help.
Thanks
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Latest Cumulus MX V4 release 4.4.2 (build 4085) - 12 March 2025
Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
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Latest Cumulus MX V4 release 4.4.2 (build 4085) - 12 March 2025
Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
If you are posting a new Topic about an error or if you need help PLEASE read this first viewtopic.php?p=164080#p164080
Lost Weather Data - Fine Offset
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Big Daddy
- Posts: 270
- Joined: Tue 10 Sep 2013 8:40 pm
- Weather Station: Ecowitt GW1000 / various sensors
- Operating System: Raspbian 12 Bookworm (X64)
- Location: Freiston, Lincolnshire, UK
- Contact:
Re: Lost Weather Data - Fine Offset
Thanks for the quick response and the excellent answer. Got all my data back and it doesn't seem to have had any major adverse effects.
Really appreciate your help

Really appreciate your help