29 02 2008 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 3.00 00:15 3.00 00:30 3.33 00:45 3.33 01:00 3.33 01:15 3.33 01:30 3.33 01:45 3.33 02:00 3.33 02:15 3.33 02:30 3.33 02:45 3.33 03:00 3.33 03:15 3.33 03:30 3.33 03:45 3.33 04:00 3.67 04:15 3.33 04:30 3.67 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 3.67 06:30 3.67 06:45 3.67 07:00 3.67 07:15 4.00 07:30 4.00 07:45 4.33 08:00 4.33 08:15 4.00 08:30 4.00 08:45 3.67 09:00 4.00 09:15 4.00 09:30 4.33 09:45 4.00 10:00 4.00 10:15 4.00 10:30 4.00 10:45 4.00 11:00 4.00 11:15 4.00 11:30 3.67 11:45 3.67 12:00 3.67 12:15 3.67 12:30 3.67 12:45 3.67 13:00 3.33 13:15 3.67 13:30 3.33 13:45 3.33 14:00 3.33 14:15 4.00 14:30 4.00 14:45 4.33 15:00 4.67 15:15 4.33 15:30 4.33 15:45 4.33 16:00 4.67 16:15 4.33 16:30 4.33 16:45 4.00 17:00 4.33 17:15 4.33 17:30 4.33 17:45 4.00 18:00 4.00 18:15 4.00 18:30 4.00 18:45 4.00 19:00 3.67 19:15 4.00 19:30 4.00 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 4.67 22:00 4.33 22:15 4.33 22:30 4.33 22:45 4.33 23:00 4.33 23:15 4.67 23:30 4.33 23:45 4.33