NOAA Monthly U.S. Climate Divisional Database (NClimDiv)

Description

In March 2015, data for thirteen Alaskan climate divisions were added to the NClimDiv data set. Data for the new Alaskan climate divisions begin in 1925 through the present and are included in all monthly updates. Alaskan climate data include the following elements for divisional and statewide coverage: average temperature, maximum temperature (highs), minimum temperature (lows), and precipitation. The Alaska NClimDiv data were created and updated using similar methodology as that for the CONUS, but with a different approach to establishing the underlying climatology. The Alaska data are built upon the 1971-2000 PRISM averages whereas the CONUS values utilize a base climatology derived from the NClimGrid data set. In January 2025, the National Centers for Environmental Information (NCEI) began summarizing the State of the Climate for Hawaii. This was made possible through a collaboration between NCEI and the University of Hawaii/Hawaii Climate Data Portal and completes a long-standing gap in NCEI's ability to characterize the State of the Climate for all 50 states. NCEI maintains monthly statewide, divisional, and gridded average temperature, maximum temperatures (highs), minimum temperature (lows) and precipitation data for Hawaii over the period 1991-2025.
As of November 2018, NClimDiv includes county data and additional inventory files
In March 2015, data for thirteen Alaskan climate divisions were added to the NClimDiv data set. Data for the new Alaskan climate divisions begin in 1925 through the present and are included in all monthly updates. Alaskan climate data include the following elements for divisional and statewide coverage: average temperature, maximum temperature (highs), minimum temperature (lows), and precipitation. The Alaska NClimDiv data were created and updated using similar methodology as that for the CONUS, but with a different approach to establishing the underlying climatology. The Alaska data are built upon the 1971-2000 PRISM averages whereas the CONUS values utilize a base climatology derived from the NClimGrid data set.

As of November 2018, NClimDiv includes county data and additional inventory files.

Resources

Name Format Description Link
Science Paper Unknown Vose et al. (2014). doi:10.1175/JAMC-D-13-0248.1 Open resource
NCEI Dataset Landing Page Unknown Landing page for the dataset. Open resource
Global Change Master Directory (GCMD) Keywords Unknown The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. Open resource
Global Change Master Directory (GCMD) Keywords Unknown The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. Open resource
Global Change Master Directory (GCMD) Keywords Unknown The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. Open resource
Global Change Master Directory (GCMD) Keywords Unknown The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. Open resource
Global Change Master Directory (GCMD) Keywords Unknown The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. Open resource
Global Change Master Directory (GCMD) Keywords Unknown The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. Open resource
KMZ download KML Direct download KMZ files for the data Open resource
GCOS Essential Climate Variables Unknown Overview of the GCOS Essential Climate Variables. Open resource
Hawaii Climate Data Portal Unknown Hawaii Climate Data Portal Open resource
Climate at a Glance National Maps Unknown Comparisons of meteorological local, state, regional, national, data in historical perspective to determine trends. Open resource
U.S. Climate Divisional Data Overview Page Unknown Overview of the Climate Divisional Dataset Open resource
National State of the Climate Unknown A summary of national and regional temperatures and precipitation, placing the data into a historical perspective. Open resource
NOAA National Centers for Environmental Information (NCEI) Unknown NCEI home page with information, data access and contact information. Open resource
NCEI Direct Download (archive) Unknown Direct download location for archive files Open resource
NCEI Direct Download (dataset documentation) Unknown Direct download location for the documentation files Open resource
Climate Data Online Map for Climate Indices Unknown View Divisional Climate Data and Products via a map interface Open resource
U.S. Climate Divisional Dataset (TCDD) (Version Superseded) Unknown For information on the previous version of NClimDiv, please refer to the U.S. Climate Divisional Dataset (TCDD) Open resource
NCEI Direct Download (real-time) Unknown Direct download location for real-time files Open resource

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