Index of ftp://aftp.cmdl.noaa.gov/data/ozwv/SurfaceOzone/SPO
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Parent Directory
![[DIR]](/icons/folder.gif) 1973-2010 | 8.00Kb | April 22 2016 |
| 2011 | 8.00Kb | December 29 2016 |
| 2012 | 8.00Kb | December 29 2016 |
| 2013 | 8.00Kb | December 29 2016 |
| 2014 | 8.00Kb | December 29 2016 |
| 2015 | 8.00Kb | February 11 2016 |
| 2016 | 8.00Kb | January 26 2017 |
| 2017 | 8.00Kb | January 10 2018 |
| 2018 | 8.00Kb | January 29 2019 |
| 2019 | 8.00Kb | January 22 2020 |
| 2020 | 8.00Kb | January 12 2021 |
| 2021 | 8.00Kb | January 4 2022 |
| 2022 | 8.00Kb | January 4 2023 |
| 2023 | 8.00Kb | June 2 2023 at 20:48 |
![[ ]](/icons/unknown.gif) spptsoz | 2.30Mb | July 14 2016 |