25 10 2017 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 4.67 00:15 4.67 00:30 4.67 00:45 4.33 01:00 4.33 01:15 4.00 01:30 4.33 01:45 4.67 02:00 5.00 02:15 4.67 02:30 4.67 02:45 4.33 03:00 4.33 03:15 4.33 03:30 4.00 03:45 4.33 04:00 4.33 04:15 4.67 04:30 4.33 04:45 4.67 05:00 4.33 05:15 4.33 05:30 4.33 05:45 4.67 06:00 4.33 06:15 4.67 06:30 4.67 06:45 5.00 07:00 4.67 07:15 4.67 07:30 4.67 07:45 4.67 08:00 4.67 08:15 4.33 08:30 4.33 08:45 4.33 09:00 4.33 09:15 4.33 09:30 4.33 09:45 4.33 10:00 4.33 10:15 4.33 10:30 4.00 10:45 4.00 11:00 4.33 11:15 4.00 11:30 4.00 11:45 4.00 12:00 4.00 12:15 4.00 12:30 4.33 12:45 4.00 13:00 4.00 13:15 4.00 13:30 4.00 13:45 4.00 14:00 4.00 14:15 3.67 14:30 3.67 14:45 3.67 15:00 3.67 15:15 3.67 15:30 3.67 15:45 3.67 16:00 3.67 16:15 3.67 16:30 3.67 16:45 3.67 17:00 3.67 17:15 3.67 17:30 3.67 17:45 3.67 18:00 3.67 18:15 4.00 18:30 3.67 18:45 3.67 19:00 4.00 19:15 4.00 19:30 4.33 19:45 4.67 20:00 4.67 20:15 4.33 20:30 4.33 20:45 4.00 21:00 4.00 21:15 4.00 21:30 3.67 21:45 4.00 22:00 4.00 22:15 4.00 22:30 3.67 22:45 3.67 23:00 3.67 23:15 3.67 23:30 3.67 23:45 3.67