346
Comment:
|
346
|
Deletions are marked like this. | Additions are marked like this. |
Line 8: | Line 8: |
. [[ attachment:f10.7.gif | click for 2048x2048 image ]] | .[[ attachment:f10.7.gif | click for 2048x2048 image ]] |
F10.7 Index Yearly Average
average 188.5 for 56 years from January 1964 through 2019
data downloaded from https://omniweb.gsfc.nasa.gov/form/dx1.html open office spreadsheet