List of magnetic storms in December 2008
Location — Kostroma (geographic coordinates — 57.77 N 40.93 E | time zone UTC+03)
There were no days with an increased level of geomagnetic disturbance in December 2008
Maximum of solar activity in December 2008
Solar radio flux (10.7 cm) = 71
Mean planetary A index = 10
Mean planetary Kp index = 4