A precipitation climatology for stations in the tropical Pacific basin [electronic resource] : effects of ENSO / Yuxiang He, Anthony G. Barnston, Alan C. Hilton.
Imprint
[Washington, D.C.] : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Weather Service, [1998]
Mode of access via the Climate Prediction Center web site. Address as of 10/18/06: http://www.cpc.ncep.noaa.gov/pacdir/NINDEX22.shtml; current access via PURL.