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IRI/LDEO Climate Data Library

Monitoring Global Climate
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A collection of maps and analyses used to monitor climate conditions. Click on any of the maps to modify the figures or access the source data.

Climate Information Digest
A monthly publication covering global climate events, their impacts and the seasonal forecast.

Information about El Niņo-Southern Oscillation.

Climate Highlights
Relates headlines from the CID with likely future conditions.

The IRI/LDEO Climate Data Library contains over 300 datasets from a variety of earth science disciplines and climate-related topics. It is a powerful tool that offers the following capabilities at no cost to the user:
  • access any number of datasets;
  • create analyses of data ranging from simple averaging to more advanced EOF analyses;
  • monitor present climate conditions with maps and analyses in the Maproom;
  • create visual representations of data, including animations;
  • download data in a variety of commonly-used formats, including GIS-compatible formats.
Are you new to the world of climate data? Check out our Introduction to Climate Data page.

What's New
Jan 04-Improved political boundary and river overlays (more information)
Dec 03-Global Monthly Soil Moisture dataset added
Nov 03-New atmospheric circulation analyses in Global Maproom
Nov 03-Latest CPC Merged Analysis of Precipitation (CMAP) dataset added
Aug 03-TOMS Aerosol Index datasets added

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