Last Updated : August 23, 2006
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Federal Meteorological Handbook No.12
United States Meteorological
Codes and Coding Practices

FCM-H12-1998
Log of Changes - (List of changes)  
  • Memorandum - Change No. 1 to the Federal Meteorological Handbook No. 12
    Effective September 1, 2006
 PDF 115KB
Federal Meteorological Handbook No. 12 (FCM-H12-1998)
**This is the entire handbook with all changes incorporated.
 PDF 340KB