2026 Chicago, IL Meteorological Data

Filenames are as follows: YYYYmmdd.ext.txt
where YYYY is year, mm is month, dd is day, ext is extension (unique for each site).
For example, 20260105.04t.txt contains raw Chicago, IL met data for Jan 5, 2026.

See Metadata File for full description of instruments, parameters and file format.

Click on filename to view raw data (2-minute) for that day.

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