oemSpace Posted February 20, 2020 Share Posted February 20, 2020 I would like to know on where to find historical data for kp index. Does anyone have any suggestions? Thanks in advance for any suggestions Link to comment Share on other sites More sharing options...
Christopher S. Posted February 21, 2020 Share Posted February 21, 2020 I believe this is what you are looking for: ftp://ftp.swpc.noaa.gov/pub/indices/old_indices/ Link to comment Share on other sites More sharing options...
oemSpace Posted February 21, 2020 Author Share Posted February 21, 2020 Readme mentions not about format. Do you have any suggestions on how to read the data format for kp index historical data? Thank you very much for any suggestions (^v^) Link to comment Share on other sites More sharing options...
Christopher S. Posted February 21, 2020 Share Posted February 21, 2020 (edited) These are in .txt format. If you download the readme, simply right click, rename, and add .txt to the end of the file name e.g. "README.txt" The files separate into DSD, DPD, and DGD, representing Daily Solar/Particle/Geomagnetic data, respectively. You will want to download the DGD files to see the K-index. Use the readme file to help understand what you are looking at, and email the SWPC webmaster at the email given by the latest DGD.txt file download(it's near the top) if you have more questions about their products. Edited February 21, 2020 by Christopher S. Link to comment Share on other sites More sharing options...
Vancanneyt Sander Posted February 21, 2020 Share Posted February 21, 2020 Finalised official Kp index archive is available at GFZ Potsdam: https://www.gfz-potsdam.de/en/kp-index/ 1 1 Link to comment Share on other sites More sharing options...
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