27 09 2017 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 3.00 00:15 3.00 00:30 3.00 00:45 2.67 01:00 2.67 01:15 2.67 01:30 2.67 01:45 2.67 02:00 2.33 02:15 2.67 02:30 3.00 02:45 3.00 03:00 3.00 03:15 3.00 03:30 3.00 03:45 3.00 04:00 3.33 04:15 3.67 04:30 3.67 04:45 3.67 05:00 3.67 05:15 3.67 05:30 4.33 05:45 4.33 06:00 4.67 06:15 4.67 06:30 5.00 06:45 5.00 07:00 4.67 07:15 4.67 07:30 4.67 07:45 4.67 08:00 5.00 08:15 5.00 08:30 5.00 08:45 5.33 09:00 5.33 09:15 5.33 09:30 5.00 09:45 5.00 10:00 5.00 10:15 5.00 10:30 4.67 10:45 4.67 11:00 4.67 11:15 4.67 11:30 4.67 11:45 4.67 12:00 4.33 12:15 4.33 12:30 4.67 12:45 4.33 13:00 4.33 13:15 4.67 13:30 5.00 13:45 5.00 14:00 5.00 14:15 5.00 14:30 5.00 14:45 5.00 15:00 4.67 15:15 4.67 15:30 4.67 15:45 4.67 16:00 4.33 16:15 4.67 16:30 4.67 16:45 4.67 17:00 5.00 17:15 5.67 17:30 5.67 17:45 5.33 18:00 5.00 18:15 6.00 18:30 5.67 18:45 6.33 19:00 6.00 19:15 5.33 19:30 5.33 19:45 5.67 20:00 5.33 20:15 5.67 20:30 6.33 20:45 5.33 21:00 6.00 21:15 6.33 21:30 6.33 21:45 6.00 22:00 6.00 22:15 6.33 22:30 6.00 22:45 5.67 23:00 6.00 23:15 5.67 23:30 5.67 23:45 6.00