Climatic Data OnLine (CDO)
The information formerly available from the CLIMVIS System has been improved and is now part of our Climate Data Online system. Please see the links below for documentation and samples from the new system.
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Graphics Choices

U.S. Divisional Data
Divisional Data Graph Sample
Global Summary of Day
GHCN Graph Sample

Other Links to graphs/map tools:
NCDC GIS Portal
NNDC Climate Data Online