Geomagnetic storms in Helena in March 2003
Time zone — UTC−06 — summer time (Helena | 46.6 N 112.03 W)
Geomagnetic storm calendar in March 2003 by time in Helena
Days with magnetic storms — 15 Days with geomagnetic disturbances — 12
Ap and F10.7 index values in March 2003
Maximum value of the Ap index for the month — 39 Maximum value of the F10.7 index for the month — 160 Maximum value of the Kp index for the month — 6