Geomagnetic storms in Hartford in December 2025
Time zone — UTC−05 (Hartford | 41.77 N 72.68 W)
Geomagnetic storm calendar in December 2025 by time in Hartford
Days with magnetic storms — 6 Days with geomagnetic disturbances — 5
Ap and F10.7 index values in December 2025
Maximum value of the Ap index for the month — 33 Maximum value of the F10.7 index for the month — 220 Maximum value of the Kp index for the month — 7-