YEARS Month NAO
1950   10  0.85000E+00
1951   10  0.18700E+01
1952   10 -0.73000E+00
1953   10  0.13200E+01
1954   10  0.60000E+00
1955   10 -0.14700E+01
1956   10  0.88000E+00
1957   10  0.13200E+01
1958   10  0.16000E+00
1959   10  0.89000E+00
1960   10 -0.17300E+01
1961   10  0.51000E+00
1962   10  0.41000E+00
1963   10  0.94000E+00
1964   10  0.74000E+00
1965   10  0.38000E+00
1966   10 -0.68000E+00
1967   10  0.70000E-01
1968   10 -0.23000E+01
1969   10  0.66000E+00
1970   10 -0.92000E+00
1971   10  0.58000E+00
1972   10  0.10900E+01
1973   10 -0.12400E+01
1974   10  0.49000E+00
1975   10 -0.54000E+00
1976   10 -0.80000E-01
1977   10  0.52000E+00
1978   10  0.19300E+01
1979   10 -0.30000E+00
1980   10 -0.17700E+01
1981   10 -0.13500E+01
1982   10 -0.74000E+00
1983   10  0.65000E+00
1984   10 -0.70000E-01
1985   10  0.90000E+00
1986   10  0.15500E+01
1987   10  0.14000E+00
1988   10 -0.10800E+01
1989   10 -0.30000E-01
1990   10  0.23000E+00
1991   10 -0.19000E+00
1992   10 -0.17600E+01
1993   10 -0.71000E+00
1994   10 -0.97000E+00
1995   10  0.19000E+00
1996   10 -0.33000E+00
1997   10 -0.17000E+01
1998   10 -0.29000E+00
1999   10  0.20000E+00
2000   10  0.92000E+00
2001   10 -0.24000E+00
2002   10 -0.22800E+01
2003   10 -0.12600E+01
2004   10 -0.11000E+01
2005   10 -0.98000E+00
2006   10 -0.22439E+01
2007   10  0.44653E+00
2009   10 -0.10322E+01
2010   10 -0.92830E+00