Make Your Own: Upper Air Data
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Notes:
- Current/Recent data goes back as far as 15 days from present.
- North Amrican archived data goes back as far as 1957.
- Data from June 1957 through July 1998 have been extracted from the NCDC/FSL Radiosonde Data for North America CDROMs or the FSL Radiosonde (1998 only).
- Canadian data begin after July 1, 1977.
- Data above 100mb begin after July 30, 1998.
- Global archived data goes back as far as 1999.