Viewing archive of Saturday, 18 December 2004

GFZ Potsdam official Kp-index

00-03h 03-06h 06-09h 09-12h 12-15h 15-18h 18-21h 21-00h Ap
4+4-2+23221- 13

NOAA estimated Kp-index

00-03h 03-06h 06-09h 09-12h 12-15h 15-18h 18-21h 21-00h
44223211

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Last geomagnetic storm:2019/06/08Kp5 (G1)
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