Geomagnetic storms in Pierre in April 2004
Time zone — UTC−05 — summer time (Pierre | 44.37 N 100.34 W)
Geomagnetic storm calendar in April 2004 by time in Pierre
Days with magnetic storms — 5 Days with geomagnetic disturbances — 9
Ap and F10.7 index values in April 2004
Maximum value of the Ap index for the month — 23 Maximum value of the F10.7 index for the month — 117 Maximum value of the Kp index for the month — 5