These maps display anomalies of observed precipitation, temperature, sea surface temperature, and mean sea level pressure. The climatological base period is 1981-2010.
Use the drop-down menus at the top of the page to select the variable, and monthly or seasonal timescale.
Return to the menu page: Click the blue link called “Portal” at the top left corner of the page.
Contact help@iri.columbia.edu with any technical questions or problems with this Map Room.