02 01 2010 15-minute Estimated Geomagnetic Activity Index UT:min Kp 00:00 0.67 00:15 0.67 00:30 0.67 00:45 0.67 01:00 0.67 01:15 0.67 01:30 0.67 01:45 0.67 02:00 0.67 02:15 0.67 02:30 0.67 02:45 0.67 03:00 0.67 03:15 0.67 03:30 0.67 03:45 0.67 04:00 0.67 04:15 0.67 04:30 0.67 04:45 0.67 05:00 0.67 05:15 0.67 05:30 0.67 05:45 0.67 06:00 0.67 06:15 0.67 06:30 0.67 06:45 0.67 07:00 0.67 07:15 0.67 07:30 0.67 07:45 0.67 08:00 0.67 08:15 0.67 08:30 0.67 08:45 0.67 09:00 0.33 09:15 0.33 09:30 0.33 09:45 0.33 10:00 0.33 10:15 0.33 10:30 0.33 10:45 0.33 11:00 0.33 11:15 0.33 11:30 0.33 11:45 0.33 12:00 0.33 12:15 0.33 12:30 0.33 12:45 0.33 13:00 0.33 13:15 0.33 13:30 0.33 13:45 0.33 14:00 0.33 14:15 0.33 14:30 0.33 14:45 0.33 15:00 0.67 15:15 0.33 15:30 0.33 15:45 0.67 16:00 0.67 16:15 0.33 16:30 0.33 16:45 0.33 17:00 0.33 17:15 0.33 17:30 0.33 17:45 0.33 18:00 0.33 18:15 0.33 18:30 0.33 18:45 0.33 19:00 0.33 19:15 0.33 19:30 0.67 19:45 0.67 20:00 0.67 20:15 0.67 20:30 0.67 20:45 0.67 21:00 1.00 21:15 1.00 21:30 1.00 21:45 1.00 22:00 1.00 22:15 1.00 22:30 1.00 22:45 1.00 23:00 1.00 23:15 1.33 23:30 1.33 23:45 1.33