The building maintenance scheduled for Friday February 27th at 5:00pm MST has been postponed until 5:00pm March 6th. PSD's website will be down during the maintenance.
example of timeseries of Pacific indices
Example of timeseries of Pacific indices

Download Sea Surface Temperature Anomaly Indices:

Please, note: in order to use the Time Series presented on this website in the PSD Interactive Tools for "Custom" use the pathname: /Datasets/Timeseries/Filename, where the "Filename" is taken from the tables. For example: /Datasets/Timeseries/
Click on a "Filename" to get the Time series and download information, courtesy of the NOAA/PSD-CIRES CU.

Seasonally Smoothed SST Indices:

Equatorial Atlantic
Optimal Structure and SST field Correlation COROPT (old, ICOADS version)
Indian Ocean
North Tropical Atlantic
South Tropical Atlantic
Please Note: If you acquire LIM Pacific SST Anomalies and PDO Forecasts products from our website, we ask that you acknowledge us in your use of the data. This may be done by including a citation to us such as "LIM SST Anomalies Forecast data provided by the NOAA/ESRL Physical Science Division and CIRES CU, Boulder, Colorado, from their website at", in any documents or publications using these data. We would also appreciate receiving a copy of the relevant publication. This will help NOAA/PSD and CIRES to justify keeping the LIM SST Anomalies Forecast data freely available online in the future. Thank you!