04 12 2023 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 3.67 00:15 3.67 00:30 4.00 00:45 3.67 01:00 3.33 01:15 3.33 01:30 3.33 01:45 3.33 02:00 3.67 02:15 3.67 02:30 3.67 02:45 4.00 03:00 3.67 03:15 3.67 03:30 3.33 03:45 3.33 04:00 3.67 04:15 3.33 04:30 3.67 04:45 4.00 05:00 4.00 05:15 4.33 05:30 4.00 05:45 4.00 06:00 3.67 06:15 3.67 06:30 4.00 06:45 4.67 07:00 4.67 07:15 4.67 07:30 4.67 07:45 4.33 08:00 4.33 08:15 4.33 08:30 4.33 08:45 4.33 09:00 4.67 09:15 4.67 09:30 4.33 09:45 4.67 10:00 4.67 10:15 4.67 10:30 4.33 10:45 4.33 11:00 4.33 11:15 2.67 11:30 2.67 11:45 3.33 12:00 4.33 12:15 4.33 12:30 4.00 12:45 3.67 13:00 2.67 13:15 3.67 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 4.00 15:30 4.00 15:45 4.00 16:00 3.00 16:15 2.33 16:30 3.67 16:45 4.00 17:00 4.33 17:15 4.00 17:30 4.00 17:45 4.00 18:00 4.00 18:15 4.00 18:30 4.00 18:45 4.00 19:00 4.00 19:15 4.00 19:30 4.00 19:45 2.67 20:00 3.33 20:15 2.00 20:30 2.00 20:45 2.00 21:00 2.00 21:15 2.33 21:30 2.00 21:45 3.00 22:00 3.67 22:15 3.67 22:30 2.67 22:45 2.00 23:00 2.33 23:15 2.00 23:30 2.67 23:45 3.67