AO Analogs for Similar Dates   NAO Analogs for Similar Dates   PNA Analogs for Similar Dates  
Rank Ending Date RMSE   Rank Ending Date RMSE   Rank Ending Date RMSE  
1 9/21/1975 0.8267   1 9/22/1995 0.74962   1 9/24/1968 0.99039  
2 9/23/1961 0.9231   2 9/10/1959 0.7755   2 9/13/1985 1.11588  
3 9/17/2004 0.9874   3 9/16/1958 0.7906   3 9/16/1988 1.16093  
4 9/22/1961 1.3025   4 9/12/1982 0.79885   4 9/25/1957 1.17267  
5 9/11/2000 1.3147   5 9/11/1956 0.82529   5 9/11/1970 1.19674  
6 9/8/1955 1.5266   6 9/13/1960 0.83361   6 9/6/1988 1.19957  
7 9/19/1988 1.5732   7 9/18/1978 0.84645   7 9/15/2008 1.21763  
8 9/6/1999 1.6277   8 9/20/1991 0.86964   8 9/24/1954 1.24269  
9 9/21/2005 1.6512   9 9/20/1980 0.89989   9 9/17/1981 1.28347  
10 9/19/1954 1.6588   10 9/12/1984 0.92703   10 9/19/1956 1.32843  
11 9/6/2009 1.6727   11 9/12/1964 0.9402   11 9/10/2001 1.33599  
12 9/8/1977 1.7131   12 9/11/1959 0.94088   12 9/23/1993 1.35685  
13 9/14/2006 1.7495   13 9/13/2005 0.94214   13 9/13/1976 1.35776  
14 9/8/2003 1.8244   14 9/12/1989 0.99104   14 9/25/1950 1.38766  
15 9/23/2006 1.8296   15 9/6/1950 1.03539   15 9/23/1996 1.40667  
16 9/7/1983 1.8882   16 9/10/2004 1.0547   16 9/12/1960 1.43978  
17 9/11/2005 1.9047   17 9/8/2009 1.10406   17 9/7/1967 1.44056  
18 9/7/1980 1.9096   18 9/13/1966 1.19842   18 9/21/1962 1.44384  
19 9/23/1979 1.9164   19 9/13/1969 1.19863   19 9/18/1972 1.44426  
20 9/6/1971 1.934   20 9/23/1962 1.20214   20 9/16/2000 1.47259