Calculated from the NOAA OI V2 SST. It is the area averaged SST from 0-10S and 90W-80W.

Time Interval: Monthly
Time Coverage: 1871 to Jan 2008
Update Status: Periodically updated

Get Data:

Niño 1+2: Standard PSD Format (What is standard format?)

Source:
Data is from PSD using the HadISST1 dataset.
References:

1. Rayner N. A., D. E. Parker, E. B. Horton, C. K. Folland, L. V. Alexander, D. P. Rowell, E. C. Kent, A. Kaplan, Global analyses of sea surface temperature, sea ice, and night marine air temperature since the late nineteenth century, J. Geophys. Res., 108 (D14), 4407, doi:10.1029/2002JD002670, 2003.

This page hosted by: NOAA ESRL Physical Sciences Division Document maintained by Cathy Smith (cathy.smith@noaa.gov) Updated: Oct 15, 2009 15:06:01 MDT http://www.esrl.noaa.gov/psd/gcos_wgsp/Timeseries/Nino12/index.html