List of magnetic storms in December 2011
Location — Melbourne (geographic coordinates — 37.8 S 144.95 E | time zone UTC+10)
There were no days with an increased level of geomagnetic disturbance in December 2011
Maximum of solar activity in December 2011
Solar radio flux (10.7 cm) = 164
Mean planetary A index = 7
Mean planetary Kp index = 3