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 2/20/2003 1.1663   1 2/18/1995 0.92405   1 2/27/1996 0.85775  
2 3/7/2007 1.1858   2 3/3/1983 1.09749   2 3/3/1972 0.86549  
3 2/25/2003 1.3818   3 3/2/1983 1.11948   3 3/4/2007 0.8761  
4 3/9/2003 1.4406   4 3/2/1979 1.25339   4 2/21/1990 0.92309  
5 3/5/1972 1.5744   5 3/9/1985 1.26369   5 3/6/1966 0.98026  
6 3/8/2007 1.5823   6 2/24/2008 1.26859   6 2/25/1966 0.9953  
7 2/28/1950 1.6381   7 2/21/1970 1.30288   7 3/4/2009 1.00959  
8 2/20/1993 1.6668   8 3/8/1994 1.36671   8 3/4/1972 1.02924  
9 3/9/1954 1.6837   9 2/23/1972 1.48483   9 3/3/1982 1.07773  
10 3/4/2003 1.7416   10 3/2/1973 1.48684   10 3/3/1976 1.0998  
11 2/27/1972 1.7845   11 2/25/1990 1.4874   11 2/24/1994 1.11699  
12 3/8/2000 1.8193   12 2/26/1976 1.49391   12 2/18/1979 1.17422  
13 2/25/1993 1.8427   13 3/8/2002 1.54858   13 3/5/1955 1.17703  
14 3/9/1966 1.8588   14 2/22/1992 1.55316   14 3/9/1953 1.18731  
15 3/3/2000 1.8711   15 2/18/2004 1.55875   15 2/24/1976 1.23491  
16 2/18/1961 1.8774   16 3/7/1980 1.57996   16 3/5/1971 1.2755  
17 2/19/1962 1.8862   17 2/26/2002 1.61901   17 2/24/1956 1.28308  
18 3/3/1980 1.9095   18 3/1/1999 1.62722   18 3/9/2002 1.33409  
19 2/18/1998 1.9439   19 3/5/1979 1.62784   19 3/6/1962 1.35247  
20 2/20/1984 1.9514   20 3/9/1982 1.63036   20 3/1/1956 1.35832