http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Monthly, with annual summary called no. 13
Issued also online in PDF format. Address as of 3/8/2005: http://www5.ncdc.noaa.gov/pubs/publications.html#CD; current access available via PURL.
Continues: Climatological data. Virginia, ISSN 0364-5630; issued by: United States. Weather Bureau.
U.S. Dept. of Commerce, NOAA, Attn: Publications, National Climatic Center, Asheville, N.C. 28801