Geomagnetic storms in Peterborough in May 2009
Time zone — UTC−04 — summer time (Peterborough | 44.3 N 78.34 W)
Geomagnetic storm calendar in May 2009 by time in Peterborough
Days with geomagnetic disturbances — 4
Ap and F10.7 index values in May 2009
Maximum value of the Ap index for the month — 13 Maximum value of the F10.7 index for the month — 74 Maximum value of the Kp index for the month — 4