1958 2005 1958 1.0 2.7 14.5 12.5 13.8 14.5 16.4 16.6 14.0 14.6 11.2 5.7 1959 8.4 13.4 12.8 16.1 15.0 14.8 18.4 17.1 12.2 10.4 9.2 10.2 1960 5.9 7.6 13.4 14.8 14.9 16.6 17.0 17.0 16.1 11.9 12.1 5.5 1961 -0.4 6.8 10.3 18.1 15.0 16.4 18.3 15.8 15.8 15.7 12.5 9.8 1962 10.1 7.7 13.3 18.5 18.2 16.8 18.3 17.1 15.6 10.9 8.5 6.7 1963 2.5 2.3 17.4 17.5 15.8 16.3 18.5 16.3 10.7 12.3 11.3 3.2 1964 6.3 10.0 14.6 19.5 20.8 13.8 16.5 16.0 15.0 14.3 12.2 10.7 1965 5.7 10.0 10.9 16.0 16.3 14.2 17.4 15.7 15.0 12.0 13.9 13.3 1966 4.2 12.8 12.2 15.6 16.2 14.0 17.6 16.3 10.3 14.3 15.4 6.7 1967 8.0 8.8 15.8 21.0 18.4 14.4 19.0 14.0 10.2 10.3 12.6 10.0 1968 10.1 0.1 12.3 17.3 16.2 16.2 15.9 15.2 15.9 10.7 6.4 13.6 1969 12.4 8.9 12.9 12.3 12.7 13.2 19.0 16.9 12.2 10.6 10.4 1.8 1970 6.0 2.6 7.9 17.1 16.9 14.6 16.1 16.8 14.3 14.5 14.3 11.9 1971 12.4 7.6 11.2 14.7 14.2 14.5 16.3 15.3 15.3 15.2 11.7 14.2 1972 12.7 10.7 9.8 19.8 14.8 15.5 18.0 14.6 14.8 14.9 9.7 10.7 1973 8.3 8.2 10.6 16.8 14.4 15.1 17.6 17.8 14.3 14.8 14.8 5.3 1974 6.6 11.2 7.4 14.5 15.5 16.0 17.1 14.6 14.4 10.7 10.5 6.1 1975 10.9 8.2 14.4 18.9 14.5 16.6 15.8 17.5 16.5 13.8 12.4 7.0 1976 4.1 13.1 13.8 15.3 14.5 15.8 15.1 15.4 11.8 12.2 7.7 5.1 1977 -1.0 1.2 16.8 16.8 15.6 15.2 17.8 14.0 16.6 11.4 12.5 10.0 1978 0.6 0.6 8.9 14.0 17.6 18.1 17.5 15.2 13.9 12.3 11.2 12.9 1979 6.3 14.2 8.2 15.7 13.4 18.9 16.9 14.2 12.3 8.8 12.5 9.0 1980 6.6 -0.1 10.5 11.3 14.5 18.8 17.1 18.3 14.7 10.5 7.7 5.7 1981 -3.6 5.3 7.0 14.9 13.2 14.9 19.2 15.4 14.5 14.3 8.8 8.2 1982 9.3 11.9 14.8 18.0 16.5 13.3 16.7 17.8 14.8 15.2 9.1 6.0 1983 1.2 -2.3 3.4 16.2 15.5 13.6 17.1 17.8 16.8 14.1 5.0 7.1 1984 6.8 7.5 5.0 15.6 15.5 14.9 18.5 15.7 12.2 12.0 8.0 10.8 1985 0.0 14.2 17.0 17.6 15.6 15.6 17.4 18.1 15.9 15.7 12.5 1.8 1986 1.4 0.5 7.7 18.1 15.3 13.9 17.8 15.4 15.0 11.0 11.9 1.0 1987 3.2 5.5 8.3 12.3 16.5 14.0 15.9 16.6 15.4 12.4 9.7 9.5 1988 5.4 4.2 11.9 13.6 13.5 14.0 17.6 15.6 16.2 11.6 9.8 8.3 1989 12.0 15.0 13.5 16.0 17.4 16.4 18.9 15.9 13.4 14.6 14.0 5.3 1990 7.6 17.5 10.2 15.8 14.4 15.8 16.9 15.1 13.6 14.5 19.1 11.9 1991 7.7 2.7 14.7 14.0 14.5 16.2 16.6 14.9 11.7 13.6 8.4 7.8 1992 -1.1 7.0 10.3 13.9 15.9 13.8 17.3 15.8 15.0 11.7 9.8 13.1 1993 10.8 2.4 7.6 9.7 12.5 15.0 16.9 15.8 15.7 12.5 13.9 6.8 1994 8.3 10.4 12.4 14.0 13.6 16.9 17.2 17.5 13.8 12.7 16.7 5.4 1995 2.2 6.6 11.9 13.9 13.8 14.6 16.8 17.3 10.2 12.9 11.9 -0.3 1996 8.3 8.0 10.9 9.6 15.8 16.7 18.2 18.1 14.6 14.3 12.3 9.8 1997 2.0 4.2 15.0 11.3 12.9 14.7 16.0 16.0 12.5 13.3 10.0 8.4 1998 0.7 0.2 8.1 15.1 15.8 17.7 18.0 18.8 14.5 13.9 9.0 11.4 1999 8.0 6.9 12.0 17.1 15.7 14.0 19.1 14.4 14.3 14.5 11.3 10.5 2000 13.5 0.9 5.9 15.1 16.3 15.4 17.4 18.1 13.4 12.9 9.1 3.2 2001 2.0 9.5 11.6 16.1 15.5 16.5 17.4 16.4 13.7 13.9 6.8 6.7 2002 7.9 10.1 14.5 18.4 14.4 13.7 16.8 16.2 14.5 10.2 4.5 3.3 2003 -0.4 7.5 10.4 14.5 15.9 13.7 18.2 16.4 13.2 11.4 18.1 3.8 2004 5.1 1.8 14.0 11.6 15.2 16.5 15.0 13.9 15.9 12.5 11.1 9.2 2005 4.0 8.1 8.4 -99. -99. -99. -99. -99. -99. -99. -99. -99. -99.0 NP mode Area-weighted sea level pressure over the region 30N-65N, 160E-140W. For more info, http://www.cdc.noaa.gov/ClimateIndices/List/ updated nov 2005 by NOAA-CIRES CDC from the NCAR webpage.