11 01 2021 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 1.67 00:15 1.67 00:30 1.67 00:45 1.67 01:00 1.67 01:15 1.67 01:30 1.67 01:45 1.67 02:00 1.67 02:15 1.67 02:30 1.67 02:45 1.67 03:00 1.33 03:15 1.33 03:30 1.33 03:45 1.33 04:00 1.33 04:15 1.33 04:30 1.33 04:45 1.33 05:00 1.33 05:15 1.33 05:30 1.33 05:45 1.33 06:00 -1.00 06:15 -1.00 06:30 1.33 06:45 1.33 07:00 1.33 07:15 1.33 07:30 -1.00 07:45 -1.00 08:00 -1.00 08:15 -1.00 08:30 2.33 08:45 2.33 09:00 2.33 09:15 2.33 09:30 2.33 09:45 2.33 10:00 2.67 10:15 2.67 10:30 3.00 10:45 3.33 11:00 3.33 11:15 3.33 11:30 3.33 11:45 3.33 12:00 -1.00 12:15 4.00 12:30 4.00 12:45 4.00 13:00 4.00 13:15 4.00 13:30 4.33 13:45 4.33 14:00 4.67 14:15 4.67 14:30 4.67 14:45 4.67 15:00 4.33 15:15 4.67 15:30 4.67 15:45 4.67 16:00 4.67 16:15 4.67 16:30 4.67 16:45 4.67 17:00 4.33 17:15 4.33 17:30 4.33 17:45 4.33 18:00 4.33 18:15 4.00 18:30 4.33 18:45 4.33 19:00 4.33 19:15 4.33 19:30 4.33 19:45 4.33 20:00 4.67 20:15 4.67 20:30 4.67 20:45 4.67 21:00 4.67 21:15 4.33 21:30 -1.00 21:45 -1.00 22:00 -1.00 22:15 -1.00 22:30 -1.00 22:45 4.33 23:00 4.33 23:15 4.00 23:30 4.00 23:45 4.00