Time Interval: Monthly
Time Coverage: 1866 to 2006
Update Status: Periodically updated

Get Data:

Darwin SLP: Standard PSD Format (What is standard format?)
Darwin SLP: Original Format

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

1. Allan, R.J., Nicholls, N., Jones, P.D. and Butterworth, I.J., 1991: A further extension of the Tahiti-Darwin SOI, early SOI results and Darwin pressure. J. Climate, 4, 743-749.
2. Ko"nnen, G.P., Jones, P.D., Kaltofen, M.H. and Allan, R.J., 1998: Pre-1866 extensions of the Southern Oscillation Index using early Indonesian and Tahitian meteorological readings. J. Climate, 11, 2325-2339.
3. Ropelewski, C.F. and Jones, P.D., 1987: An extension of the Tahiti-Darwin Southern Oscillation Index. Monthly Weather Review, 115, 2161-2165.

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/DAR/index.html