Geomagnetic storms in Seattle in September 2017
Time zone — UTC−07 — summer time (Seattle | 47.62 N 122.35 W)
Geomagnetic storm calendar in September 2017 by time in Seattle
Days with magnetic storms — 13 Days with geomagnetic disturbances — 7
Ap and F10.7 index values in September 2017
Maximum value of the Ap index for the month — 96 Maximum value of the F10.7 index for the month — 140 Maximum value of the Kp index for the month — 8