Solar Flux Archive
1947 thru 1950
1975 thru 1978
2003 thru 2006
1951 thru 1954
1979 thru 1982
2007 thru 2010
1955 thru 1958
1983 thru 1986
2011 thru 2014
1959 thru 1962
1987 thru 1990
1963 thru 1966
1991 thru 1994
1967 thru 1970
1995 thru 1998
1971 thru 1974
1999 thru 2002