event begin max end class region ----- ----- ----- ----- ----- ------ 4780 00:58 01:02 01:04 B5.9 4790 02:02 02:05 02:07 B7.3 4800 07:06 07:09 07:11 B4.1 4820 12:54 12:57 12:59 B4.1 4830 14:17 15:10 16:01 B6.4 4840 21:06 21:12 21:16 C1.2 1451