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 4/21/1950 1.8887   1 4/28/1979 0.78829   1 4/14/1955 0.53518  
2 4/22/2008 2.0631   2 4/25/1999 0.82776   2 4/17/1963 0.55775  
3 4/16/2005 2.1004   3 4/24/1970 0.9349   3 4/22/1951 0.61619  
4 4/16/1971 2.3702   4 4/16/1983 1.08021   4 4/17/1973 0.6694  
5 4/17/1952 2.4257   5 4/14/1984 1.10928   5 4/13/1965 0.70574  
6 4/14/2003 2.4574   6 4/14/2000 1.11511   6 4/21/1976 0.7265  
7 4/17/1974 2.4829   7 4/27/1954 1.15022   7 4/16/1963 0.73615  
8 4/29/1961 2.4849   8 4/25/1986 1.17038   8 4/23/1950 0.75877  
9 4/27/1993 2.5197   9 4/14/1999 1.17257   9 4/29/1990 0.76505  
10 4/25/1972 2.5645   10 4/21/1996 1.20466   10 4/17/1959 0.76835  
11 4/29/1966 2.5867   11 4/17/2009 1.24103   11 4/12/1971 0.78389  
12 4/20/2010 2.5878   12 4/14/1997 1.24674   12 4/28/1995 0.80023  
13 4/19/2002 2.6144   13 4/29/1968 1.25531   13 4/28/1968 0.80155  
14 4/28/2006 2.6469   14 4/29/1996 1.26185   14 4/18/1986 0.81276  
15 4/20/1998 2.6986   15 4/20/2007 1.28714   15 4/14/1960 0.82214  
16 4/19/2001 2.6989   16 4/20/2008 1.37712   16 4/22/1986 0.83387  
17 4/22/2005 2.7042   17 4/19/1982 1.37888   17 4/23/2009 0.85802  
18 4/21/2008 2.7193   18 4/14/1996 1.40617   18 4/15/1979 0.92379  
19 4/17/2009 2.7685   19 4/19/1972 1.42195   19 4/12/1952 0.94755  
20 4/28/1999 2.7754   20 4/26/1999 1.43668   20 4/20/1966 0.95226