Geomagnetic storms in Madison in September 2013
Time zone — UTC−05 — summer time (Madison | 43.07 N 89.38 W)
Geomagnetic storm calendar in September 2013 by time in Madison
Days with geomagnetic disturbances — 2
Ap and F10.7 index values in September 2013
Maximum value of the Ap index for the month — 11 Maximum value of the F10.7 index for the month — 111 Maximum value of the Kp index for the month — 4