Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . January . ... January, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... February . ... February, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... March . ... March, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... April . ... April, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... May, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ... 0.00 . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... June . ... June, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... July . ... July, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... August . ... August, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... September . ... September, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... October . ... October, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... November . ... November, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... December . ... December, 1985 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... Solar activity in 1985 . Visual indices of solar activity by National Geophysical Data Center . Average by . ... 0.00 . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . January . ... January, 1986 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... February . ... February, 1986 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... March . ... March, 1986 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... April . ... April, 1986 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... May, 1986 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ... 0.00 . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... June . ... June, 1986 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...
Statistics of sunspot activity . The sunspot indices . ... NGDC's observations . The solar regions . ... Average annual indices . ... July . ... July, 1986 . Visual indices of solar activity by National Geophysical Data Center . ... Average . ...