23 02 2023 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 4.33 00:15 4.33 00:30 4.67 00:45 4.33 01:00 4.33 01:15 4.67 01:30 4.33 01:45 4.67 02:00 4.33 02:15 4.33 02:30 4.33 02:45 4.33 03:00 4.33 03:15 4.33 03:30 4.33 03:45 4.33 04:00 4.33 04:15 4.67 04:30 4.33 04:45 4.67 05:00 4.67 05:15 4.67 05:30 4.33 05:45 4.00 06:00 3.00 06:15 3.00 06:30 3.00 06:45 3.00 07:00 3.00 07:15 4.00 07:30 3.67 07:45 3.00 08:00 3.00 08:15 3.33 08:30 4.00 08:45 3.00 09:00 4.00 09:15 4.00 09:30 4.00 09:45 3.33 10:00 4.00 10:15 3.33 10:30 3.00 10:45 3.67 11:00 3.67 11:15 3.33 11:30 3.33 11:45 2.67 12:00 3.00 12:15 3.33 12:30 3.00 12:45 3.33 13:00 4.00 13:15 4.00 13:30 4.33 13:45 3.00 14:00 3.67 14:15 4.33 14:30 3.33 14:45 4.33 15:00 4.33 15:15 4.33 15:30 4.33 15:45 4.33 16:00 4.33 16:15 4.00 16:30 4.00 16:45 4.00 17:00 -1.00 17:15 -1.00 17:30 -1.00 17:45 -1.00 18:00 -1.00 18:15 -1.00 18:30 -1.00 18:45 -1.00 19:00 4.00 19:15 4.00 19:30 4.00 19:45 4.33 20:00 4.33 20:15 4.00 20:30 4.00 20:45 3.33 21:00 3.67 21:15 4.00 21:30 4.00 21:45 4.00 22:00 5.00 22:15 4.00 22:30 5.00 22:45 4.67 23:00 4.00 23:15 4.33 23:30 4.33 23:45 4.33