Access - Data
Some of the data provided here are based on data exchanged under the World Meteorological Organization (WMO) World Weather Watch Program according to WMO Resolution 40 (Cg-XII). This allows WMO member countries to place restrictions on the use or re-export of their data for commercial purposes outside of the receiving country. Those countries' data summaries and products which are available here are intended for free and unrestricted use in research, education, and other non-commercial activities. For non-U.S. locations' data, the data or any derived product shall not be provided to other users or be used for the re-export of commercial services.
Daily data from the Global Historical Climatology Network are available as individual ASCII (i.e., plain text) files (one file per station) and as TAR files containing GZIP-compressed versions of the individual files. Please read the GHCN-Daily readme file for details on the files available and for a description of the data format. Online data files can be accessed using the following two methods:
To determine off-line availability of any country's data, please contact NCDC at firstname.lastname@example.org or 828-271-4800.