Time Interval: Monthly
Time Coverage: 1865 to 2002
Update Status: Not regularly updated

Get Data:

NAO_AZO: Standard PSL Format (What is standard format?)
NAO_AZO: Original Format

Data is from CRU via the page http://www.cru.uea.ac.uk/cru/data/nao/.
References:

1. Hurrell, J.W., 1995: Decadal trends in the North Atlantic Oscillation and relationships to regional temperature and precipitation. Science, 269, 676-679.
2. Jones, P.D., Jo'nsson, T. and Wheeler, D., 1997: Extension to the North Atlantic Oscillation using early instrumental pressure observations from Gibraltar and South-West Iceland. Int. J. Climatol., 17, 1433-1450.

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