Geomagnetic storms in Fort Smith in April 2004
Time zone — UTC−06 — summer time (Fort Smith | 60 N 111.87 W)
Geomagnetic storm calendar in April 2004 by time in Fort Smith
Days with magnetic storms — 4 Days with geomagnetic disturbances — 10
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