Latest Version of the Machine Readable Codes

for the Manual on Codes, Volume I.2

Valid: 15 November 2022


  1. 15 November 2022 is the operational date of the latest versions. 
  2. The zip files contain machine-readable codes of GRIB, BUFR, CREX, and the Common Code Tables. These can be incorporated into encoders/decoders.
  3. If there are inconsistencies between the entries available below and the Manual on Codes, Volume I.2 (WMO-No. 306), the Manual prevails.
  4. View previous versions.

Machine Readable Codes



Parent directory of all machine-readable codes FT2022-2 SharePoint  
FM 92  GRIB edition 2
30 txt/xml  
FM 94  BUFR and FM 95 CREX 39 txt/xml  
Common Code Tables to Binary and Alphanumeric Codes 2022-11-15




~page last updated: 14 November 2022~