Generate maps showing data for each of the 344 climate divisions in the U.S. Climate Divisional Database. You can specify monthly or yearly values, ranks, or anomalies for temperature, precipitation, heating and cooling degree days, and drought indices.

Where do these data come from?

• How-To

  How do I use the site?

  • Start at https://www.ncdc.noaa.gov/cag/divisional/mapping.
  • Set drop-down menus to indicate your choices of State, Parameter, Year, Month, and Time Scale, and then click Plot. 

  What can I do with these data?

  Choose various ways to display the map by clicking buttons just above it. Click...

  • Values to see actual observed values averaged across the geography, parameter, and time indicated;
  • Ranks to see how your period of interest compares to the historical record;
  • 1901-2000 Mean to see the 20th century average for the month or season indicated; or
  • Anomalies to see how the indicated period compared to the 20th century average for the same month or season.
• Data Access
  Data Format(s)

  CSV, JSON, PNG, XML, Other

  Access Type	Link & Description
  Mapping	Climate at a Glance Contiguous U.S. Mapping Interface

• Documentation

  Documentation Type	Link & Description
  General	U.S. Climate Divisions - History History of the U.S. Climate Divisional Dataset
  Articles	U.S. Climate Divisions - Monitoring References List of journal articles, white papers, or other publications related to the U.S. Climate Divisional Dataset

• Technical
  Data Type

  Land-based station

  Essential Climate Variables

  Air temperature,

  Ancillary Variables

  Drought

  Science Organization

  National Climatic Data Center