List of magnetic storms in December 2005
Location — Sarnia (geographic coordinates — 42.99 N -82.4 W | time zone UTC-05)
Days with magnetic storms — 2
11 December 2005 — Magnetic storm of level G1
27 December 2005 — Magnetic storm of level G1
Days with geomagnetic disturbances — 6
01 December 2005 — geomagnetic disturbances
02 December 2005 — geomagnetic disturbances
09 December 2005 — geomagnetic disturbances
10 December 2005 — geomagnetic disturbances
19 December 2005 — geomagnetic disturbances
20 December 2005 — geomagnetic disturbances
Maximum of solar activity in December 2005
Solar radio flux (10.7 cm) = 106
Mean planetary A index = 22
Mean planetary Kp index = 5