26 06 2018 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 4.00 00:15 4.00 00:30 3.67 00:45 3.67 01:00 4.00 01:15 4.33 01:30 4.33 01:45 3.67 02:00 3.33 02:15 3.33 02:30 3.67 02:45 3.67 03:00 3.67 03:15 3.67 03:30 3.33 03:45 3.33 04:00 3.33 04:15 3.33 04:30 3.67 04:45 3.67 05:00 3.67 05:15 3.67 05:30 3.67 05:45 3.67 06:00 3.67 06:15 3.33 06:30 3.33 06:45 3.33 07:00 3.33 07:15 3.33 07:30 3.33 07:45 3.67 08:00 3.67 08:15 3.67 08:30 4.00 08:45 4.33 09:00 4.33 09:15 4.33 09:30 4.33 09:45 4.33 10:00 4.00 10:15 4.33 10:30 4.33 10:45 4.33 11:00 4.00 11:15 4.00 11:30 4.00 11:45 4.00 12:00 4.33 12:15 4.67 12:30 5.00 12:45 5.00 13:00 4.67 13:15 4.67 13:30 4.67 13:45 4.67 14:00 4.67 14:15 4.67 14:30 4.33 14:45 4.33 15:00 4.67 15:15 4.67 15:30 4.33 15:45 4.33 16:00 4.33 16:15 4.00 16:30 4.33 16:45 4.00 17:00 4.00 17:15 3.67 17:30 3.67 17:45 4.00 18:00 4.00 18:15 3.67 18:30 3.67 18:45 4.00 19:00 3.67 19:15 4.00 19:30 4.00 19:45 4.00 20:00 4.33 20:15 4.00 20:30 4.00 20:45 4.00 21:00 4.00 21:15 4.67 21:30 4.33 21:45 4.33 22:00 4.00 22:15 4.33 22:30 4.00 22:45 4.33 23:00 4.00 23:15 4.33 23:30 4.33 23:45 4.33