Geomagnetic storms in Thunder bay in February 2004
Time zone — UTC−05 (Thunder bay | 48.42 N 89.28 W)
Geomagnetic storm calendar in February 2004 by time in Thunder bay
Days with magnetic storms — 8 Days with geomagnetic disturbances — 5
Ap and F10.7 index values in February 2004
Maximum value of the Ap index for the month — 28 Maximum value of the F10.7 index for the month — 122 Maximum value of the Kp index for the month — 6