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U.S. HISTORICAL CLIMATOLOGY NETWORK (USHCN) - NDP-019
Monthly Temperature and Precipitation Data
C.N. Williams, Jr., M.J. Menne, R.S. Vose, and D.R. Easterling
National Oceanic and Atmospheric Administration,
National Climatic Data Center,
Asheville, North Carolina
Prepared for on-line distribution by:
B.L. Jackson, L.M. Olsen, D.P. Kaiser, and T.A. Boden
Carbon Dioxide Information Analysis
Oak Ridge National
Oak Ridge, Tennessee 37831-6290
University of Tennessee-Battelle, LLC
U.S. DEPARTMENT OF
under contract DE-AC05-00OR22725
Williams, C.N., Jr., M.J. Menne, R.S. Vose, and D.R. Easterling. 2007. United States
Historical Climatology Network Monthly Temperature and Precipitation Data.
ORNL/CDIAC-118, NDP-019. Available on-line
[http://cdiac.ornl.gov/epubs/ndp/ushcn/usa_monthly.html] from the
Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory,
U.S. Department of
Energy, Oak Ridge, Tennessee. doi: 10.3334/CDIAC/cli.ndp019
1. Background Information
2. Description and Formats of USHCN Data Files and Supporting Files
2.1 USHCN Temperature Data Files
2.2 USHCN Precipitation Data File
2.3 USHCN Supporting Files
Station Inventory File
Station History File
Station Area Land Use/Land Cover File
Population Metadata Files for USHCN Stations
3. Obtaining USHCN Data Files
Appendix A: State Numbers and abbreviations Used for the 48 States in the HCN/D Database
Access Station Data
There are two ways to access station data:
1. Download various data and documentation files for the entire USHCN network
from CDIAC"s ftp area.
2. In addition downloading data for the entire network, you may also query, plot, and download data for individual stations using our graphical user interface. CDIAC developed this interface using SAS Internet TM. (Note: Please review all documentation before using these data.)
Click on a state to retrieve monthly station data.