01 09 2017 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 4.67 00:15 4.67 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 3.67 03:00 3.67 03:15 3.67 03:30 3.67 03:45 3.67 04:00 4.00 04:15 4.00 04:30 4.00 04:45 4.00 05:00 4.00 05:15 4.33 05:30 4.00 05:45 4.00 06:00 4.33 06:15 4.00 06:30 4.00 06:45 4.00 07:00 4.00 07:15 4.33 07:30 4.67 07:45 5.33 08:00 5.33 08:15 5.33 08:30 6.00 08:45 6.00 09:00 5.67 09:15 5.67 09:30 5.33 09:45 5.33 10:00 4.67 10:15 5.00 10:30 5.33 10:45 5.00 11:00 5.00 11:15 5.00 11:30 4.67 11:45 5.33 12:00 5.33 12:15 5.33 12:30 5.33 12:45 5.00 13:00 5.00 13:15 5.00 13:30 5.00 13:45 5.33 14:00 5.00 14:15 5.00 14:30 4.67 14:45 4.33 15:00 4.33 15:15 4.33 15:30 4.33 15:45 4.67 16:00 4.33 16:15 4.67 16:30 4.67 16:45 4.33 17:00 4.00 17:15 4.33 17:30 4.33 17:45 4.67 18:00 5.33 18:15 5.33 18:30 5.00 18:45 5.33 19:00 5.00 19:15 5.00 19:30 5.00 19:45 5.00 20:00 4.67 20:15 4.67 20:30 4.33 20:45 4.33 21:00 4.00 21:15 4.00 21:30 5.00 21:45 5.00 22:00 5.00 22:15 5.33 22:30 5.00 22:45 4.67 23:00 4.67 23:15 4.33 23:30 4.33 23:45 4.33