01 03 2011 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 1.33 01:15 1.33 01:30 1.33 01:45 1.33 02:00 1.33 02:15 1.33 02:30 1.33 02:45 1.33 03:00 1.33 03:15 1.33 03:30 1.33 03:45 1.33 04:00 1.67 04:15 1.67 04:30 2.33 04:45 2.33 05:00 2.67 05:15 2.67 05:30 2.33 05:45 2.33 06:00 2.67 06:15 2.67 06:30 2.67 06:45 2.67 07:00 2.67 07:15 3.00 07:30 3.00 07:45 3.00 08:00 3.33 08:15 3.33 08:30 3.33 08:45 3.67 09:00 3.67 09:15 3.67 09:30 3.67 09:45 4.00 10:00 4.33 10:15 4.00 10:30 4.00 10:45 4.00 11:00 4.00 11:15 4.00 11:30 4.33 11:45 4.33 12:00 4.33 12:15 4.67 12:30 4.33 12:45 4.33 13:00 4.33 13:15 4.67 13:30 4.67 13:45 4.67 14:00 4.67 14:15 5.00 14:30 5.00 14:45 4.67 15:00 4.67 15:15 5.00 15:30 5.00 15:45 4.67 16:00 4.67 16:15 4.33 16:30 4.33 16:45 4.33 17:00 4.33 17:15 4.00 17:30 4.33 17:45 4.00 18:00 4.00 18:15 4.00 18:30 4.33 18:45 4.33 19:00 4.33 19:15 4.00 19:30 4.00 19:45 4.00 20:00 4.33 20:15 4.33 20:30 4.33 20:45 4.33 21:00 4.67 21:15 4.67 21:30 4.67 21:45 4.33 22:00 4.67 22:15 4.67 22:30 4.67 22:45 4.67 23:00 4.67 23:15 4.33 23:30 4.33 23:45 4.00