Monthly Climate Timeseries:
Niño 3.4 SST

Central Tropical Pacific SSTs.
Correlation of January Ni˜o 3.4 timeseries with NCEP SST.
Select this link to get a plot. Plot is taken from the Timesseries Plotting and Analysis webpage.
Calculation Method:
SST area averaged 5N-5S;170W-120W. Dataset is the NOAA ERSST V5. Map of region.
Time Interval: Monthly
Time Coverage: 1950-present
Update Status: Monthly

Get Data:
Niño 3.4 Index: (Anomaly) Standard PSL Format (What is standard format?)
Ni˜o 3.4: Standard PSL Format (What is standard format?)
Data is from the NOAA/NCEP CPC