Geomagnetic storms in Helena in April 2015
Time zone — UTC−06 — summer time (Helena | 46.6 N 112.03 W)
Geomagnetic storm calendar in April 2015 by time in Helena
Days with magnetic storms — 4 Days with geomagnetic disturbances — 7
Ap and F10.7 index values in April 2015
Maximum value of the Ap index for the month — 43 Maximum value of the F10.7 index for the month — 155 Maximum value of the Kp index for the month — 6