The following El Nino/Southern Oscillation reports are available for 2009:

January, February, March, April, May, June, July, August, September, October

Citing This Report

NOAA National Centers for Environmental Information, El Nino/Southern Oscillation for December 2008, published online January 2009, retrieved on April 24, 2024 from https://www.ncei.noaa.gov/access/monitoring/monthly-report/enso/200900.