08 05 2018 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 3.67 00:15 4.00 00:30 4.00 00:45 4.00 01:00 3.67 01:15 3.67 01:30 3.67 01:45 3.67 02:00 3.67 02:15 4.00 02:30 3.67 02:45 4.00 03:00 4.00 03:15 3.67 03:30 3.67 03:45 3.67 04:00 4.00 04:15 4.00 04:30 4.33 04:45 4.33 05:00 4.33 05:15 4.33 05:30 4.33 05:45 4.33 06:00 4.33 06:15 4.33 06:30 4.00 06:45 4.33 07:00 4.33 07:15 4.00 07:30 4.00 07:45 4.00 08:00 4.00 08:15 4.00 08:30 4.00 08:45 3.67 09:00 3.67 09:15 3.67 09:30 3.67 09:45 3.67 10:00 3.33 10:15 3.33 10:30 3.67 10:45 4.00 11:00 4.00 11:15 4.33 11:30 4.00 11:45 4.00 12:00 4.00 12:15 4.00 12:30 4.00 12:45 4.00 13:00 3.67 13:15 4.67 13:30 5.33 13:45 5.33 14:00 5.33 14:15 5.33 14:30 4.67 14:45 4.67 15:00 4.67 15:15 5.33 15:30 6.00 15:45 6.00 16:00 4.33 16:15 4.33 16:30 4.00 16:45 4.33 17:00 4.00 17:15 4.00 17:30 4.00 17:45 4.00 18:00 4.00 18:15 4.33 18:30 4.00 18:45 5.00 19:00 4.33 19:15 4.33 19:30 4.00 19:45 4.00 20:00 4.00 20:15 4.00 20:30 4.00 20:45 4.33 21:00 4.00 21:15 3.67 21:30 4.00 21:45 4.00 22:00 4.00 22:15 3.67 22:30 4.00 22:45 4.00 23:00 3.67 23:15 3.67 23:30 3.67 23:45 3.67