Japanese

The international 5 and 10 quietest and 5 most disturbed days [1932 - ]


Selection

Explanation on the quietest and disturbed days By GFZ, Potsdam.
International Q-Days and D-Days are now derived by GeoForschungsZentrum (GFZ) Potsdam from Kp index.

GFZ Potsdam Q-days and D-days Page.


List up Q-Days and D-Days: about 0.5KB/year / Format

Start Year: + +

End   Year: + +

   

To save Data list in file: Select "Save marked pages..." from "File" menu.