Original 1-min data source at https://srl.utu.fi/export/
Only arithmetic averaging was done for calculating of hourly data . (No averaging of logarithms and No threshold numbers of finer scale points.) We believe, these data will be useful for looking at large solar disturbances near Earth.
Time span: 1996-05-07 - 2019-07-17
If you have any questions/comments about the OMNWeb Plus, contact
Dr. Natalia Papitashvili,Mail Code 672,
NASA/Goddard Space Flight Center, Greenbelt, MD 20771|