23 06 2015 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 7.67 00:15 8.00 00:30 8.00 00:45 8.33 01:00 8.67 01:15 8.33 01:30 8.00 01:45 8.33 02:00 8.33 02:15 8.00 02:30 8.33 02:45 8.33 03:00 8.33 03:15 8.33 03:30 8.67 03:45 8.00 04:00 7.67 04:15 7.67 04:30 7.67 04:45 7.33 05:00 7.33 05:15 7.67 05:30 7.67 05:45 7.33 06:00 7.00 06:15 7.00 06:30 7.00 06:45 6.67 07:00 6.33 07:15 6.67 07:30 6.67 07:45 6.33 08:00 6.33 08:15 6.33 08:30 6.33 08:45 6.00 09:00 6.00 09:15 6.00 09:30 6.00 09:45 6.00 10:00 6.00 10:15 6.00 10:30 6.00 10:45 6.00 11:00 6.00 11:15 5.67 11:30 5.67 11:45 5.67 12:00 5.67 12:15 5.33 12:30 5.33 12:45 5.33 13:00 5.33 13:15 5.33 13:30 5.33 13:45 5.00 14:00 5.00 14:15 4.67 14:30 4.33 14:45 4.33 15:00 4.67 15:15 4.67 15:30 4.67 15:45 4.67 16:00 4.67 16:15 4.33 16:30 4.33 16:45 4.33 17:00 4.33 17:15 4.33 17:30 4.00 17:45 4.33 18:00 4.33 18:15 4.00 18:30 4.00 18:45 4.33 19:00 4.33 19:15 4.00 19:30 4.00 19:45 3.67 20:00 3.67 20:15 3.67 20:30 3.67 20:45 3.67 21:00 3.67 21:15 3.33 21:30 3.33 21:45 3.33 22:00 3.33 22:15 3.33 22:30 3.33 22:45 3.00 23:00 3.33 23:15 3.33 23:30 3.67 23:45 3.67