08 10 2015 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 5.67 00:15 5.33 00:30 5.33 00:45 5.33 01:00 5.33 01:15 5.33 01:30 5.33 01:45 5.33 02:00 5.00 02:15 5.00 02:30 5.00 02:45 5.33 03:00 5.33 03:15 5.67 03:30 5.33 03:45 5.00 04:00 5.00 04:15 5.33 04:30 5.33 04:45 5.00 05:00 5.00 05:15 4.67 05:30 4.67 05:45 4.67 06:00 4.33 06:15 4.33 06:30 4.67 06:45 5.00 07:00 4.67 07:15 4.67 07:30 4.33 07:45 4.67 08:00 4.33 08:15 5.00 08:30 4.67 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 4.33 10:45 4.67 11:00 4.33 11:15 4.33 11:30 4.33 11:45 4.33 12:00 4.67 12:15 4.67 12:30 4.67 12:45 4.67 13:00 4.67 13:15 5.00 13:30 4.67 13:45 4.67 14:00 4.67 14:15 4.33 14:30 4.33 14:45 4.33 15:00 4.33 15:15 4.33 15:30 4.00 15:45 4.00 16:00 4.00 16:15 4.33 16:30 4.00 16:45 4.00 17:00 4.00 17:15 4.00 17:30 4.33 17:45 4.33 18:00 4.33 18:15 4.00 18:30 4.00 18:45 4.00 19:00 4.00 19:15 4.00 19:30 4.33 19:45 4.33 20:00 4.00 20:15 4.00 20:30 4.00 20:45 4.00 21:00 4.00 21:15 4.00 21:30 4.00 21:45 4.00 22:00 -1.00 22:15 4.00 22:30 4.00 22:45 4.00 23:00 3.67 23:15 3.67 23:30 4.00 23:45 3.67