Geomagnetic storms in Cheyenne in December 2001
Time zone — UTC−07 (Cheyenne | 41.15 N 104.8 W)
Geomagnetic storm calendar in December 2001 by time in Cheyenne
Days with magnetic storms — 3 Days with geomagnetic disturbances — 6
Ap and F10.7 index values in December 2001
Maximum value of the Ap index for the month — 19 Maximum value of the F10.7 index for the month — 275 Maximum value of the Kp index for the month — 5