Soil temperature and moisture regime maps are included in the publication ""Soil Climate Regimes of the United States"", by the Soil Survey Quality Assurance Staff, National Soil Survey Center, Lincoln NE. The publication is available in hard copy from Margaret Hitz at the Soil Survey Center margaret.hitz@nssc.nrcs.usda.gov It is not yet been posted on the web site, but a digital version of the map of the soil temperature regimes of the United States is available from Henry Mount also at the Soil Survey center henry.mount@nssc.nrcs.usda.gov