Previous VERSIONS Activity Areas (1) WMO Information System (WIS) Previous Versions of the Machine Readable Codes for Manual on Codes, Volume I.2~page last updated: 18 November 2024~ Previous versions are available in zip files from the table belowVersions before 16 November 2020 also contain doc and pdf files.BUFR tables version 13 and CREX tables version 5 have backward compatibility.Go to the latest version. Date of implementation GRIB2BUFR/CREXCommon Code Tables28 June 202433422024-06-2830 November 202332412023-11-3015 June 202331402023-06-1515 Nov 202230392022-11-1515 May 202229.138.12022-05-15.215 Nov 202128372021-11-1515 June 202127362021-06-1516 November 20202635.12020-11-16 6 May 20202534X 6 November 20192433X 3 September 2019 (pre-operational)23.1.032.1.0X 15 May 20192332X 7 November 20182231X 23 August 2018 (pre-operational) 21.1.0 2 May 20182130X 8 November 20172029X 3 May 20171928X 2 November 20161827X 22 September 2016 (pre-operational) 26.1.0X 4 May 20161726X 11 November 20151625X 7 May 2015 (pre-operational)15.1.0 6 May 20151524X 5 November 20141423X 7 May 20141322X 14 November 20131221X 8 May 20131120X 26 February 2013 (pre-operational)10.0.119.1.1X 7 November 20121019X 10 July 2012 (pre-operational)9.1.018.1.0X 2 May 2012918X 3 November 2011 (pre-operational) X 2 November 2011817X 15 September 2011 (pre-operational) X 4 May 2011716X 7 January 2011 (pre-operational) 15(7 for CREX)X 15 September 20106X 15 March 2010 (pre-operational)514(6 for CREX)X 7 January 2010 (pre-operational) 4 November 2009 7 November 2007 (retroactively processed in May 2018) 13(5 for CREX) 7 November 2007 13(5 for CREX)