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IRI/LDEO Climate Data Library

Monitoring Global Climate
Click for options and more information
Map Room
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.

ENSO Web
Information about El Niño-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
Mar 08-Shapes for climate zones in Sri Lanka have been added as a new Features data set
Mar 08-A new "International Federation" Map Room has been added to the IRI Map Rooms and is accessible from the Map Room front page. It contains a forecast precipitation map tool developed in collaboration with the International Federation of Red Cross and Red Crescent Societies that features analyses to provide context for global precipitation forecasts.
Mar 08-A new "linked pdf" image option has been added to the Figure Viewer pages of the Data Library. Clicking on the "linked pdf" button will produce a clickable PDF version of the image you are viewing that links back to the Figure Viewer page for the image in the Data Library. The following link provides an example: February 2008 SSTA
Feb 08-A k-means cluster analysis named k-means136 has been added to the Data Library as a new function
Dec 07-World Climate Research Programme (WCRP), Global Precipitation Climatology Centre (GPCC) Full Data Reanalysis Precipitation product added
Nov 07-Climate and Fire Resource Room added to the suite of IRI Map Rooms.
Nov 07-An employment opportunity to join the Data Library team as a Staff Associate or Senior Staff Associate at the International Research Institute for Climate and Society (IRI) is available. Please see a full description of the position at the IRI Employment page.
Oct 07-Agricultural, Climatological, Epidemiological, Hydrological, and Political geographical Features added as data sets
Oct 07-Simple Ocean Data Assimilation Reanalysis (SODA) Version 2.0.2-3 from UMD added


Finding Data Help Resources
Datasets by Category Introductory Tutorial
Datasets by Source Statistical Analysis Tutorial
Dataset Search Ingrid Function Documentation
Browse/Search Datasets Questions and Answers
Browse/Search Maproom