09 07 2017 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 3.33 00:15 3.67 00:30 4.33 00:45 4.33 01:00 4.67 01:15 4.33 01:30 4.67 01:45 4.67 02:00 4.67 02:15 4.67 02:30 4.67 02:45 4.67 03:00 4.33 03:15 -1.00 03:30 -1.00 03:45 -1.00 04:00 5.00 04:15 5.00 04:30 4.33 04:45 3.67 05:00 3.67 05:15 4.00 05:30 3.67 05:45 3.67 06:00 3.67 06:15 4.67 06:30 5.00 06:45 4.67 07:00 3.67 07:15 3.67 07:30 4.00 07:45 4.00 08:00 4.67 08:15 4.67 08:30 5.00 08:45 5.33 09:00 5.33 09:15 5.00 09:30 5.00 09:45 5.33 10:00 5.33 10:15 5.33 10:30 5.00 10:45 5.00 11:00 5.00 11:15 5.00 11:30 4.67 11:45 4.67 12:00 4.33 12:15 4.33 12:30 4.33 12:45 4.33 13:00 4.33 13:15 4.33 13:30 4.00 13:45 4.00 14:00 4.00 14:15 4.00 14:30 4.00 14:45 4.00 15:00 4.00 15:15 4.33 15:30 4.67 15:45 4.33 16:00 4.67 16:15 4.67 16:30 4.33 16:45 4.33 17:00 4.33 17:15 4.33 17:30 4.67 17:45 4.33 18:00 4.67 18:15 5.00 18:30 4.67 18:45 4.67 19:00 4.33 19:15 4.33 19:30 4.33 19:45 4.33 20:00 4.33 20:15 4.33 20:30 4.33 20:45 4.33 21:00 4.33 21:15 4.33 21:30 4.33 21:45 4.00 22:00 4.00 22:15 4.00 22:30 4.00 22:45 4.00 23:00 4.00 23:15 3.67 23:30 3.67 23:45 3.67