event begin max end class region ----- ----- ----- ----- ----- ------ 1990 03:45 03:52 04:01 C1.0 1650 1780 08:10 08:15 08:21 C1.4 1641 1830 09:29 09:56 10:31 C2.5 1654 1860 11:17 11:28 11:40 C2.4 1654