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 2/8/2005: http://www5.ncdc.noaa.gov/pubs/publications.html#CD; current access available via PURL.
Continues: Climatological data; Iowa, ISSN 0145-0468, issued by: United States. Weather Bureau.