Geomagnetic storms in Cheyenne in September 2011
Time zone — UTC−06 — summer time (Cheyenne | 41.15 N 104.8 W)
Geomagnetic storm calendar in September 2011 by time in Cheyenne
Days with magnetic storms — 6 Days with geomagnetic disturbances — 5
Ap and F10.7 index values in September 2011
Maximum value of the Ap index for the month — 67 Maximum value of the F10.7 index for the month — 190 Maximum value of the Kp index for the month — 8