event begin max end class region ----- ----- ----- ----- ----- ------ 4270 03:44 03:51 03:57 C1.1 1660 4280 06:18 06:24 06:28 C1.0 1654 4290 08:43 09:00 09:08 B6.8 1654 4300 17:07 17:11 17:14 B4.6 1654 4310 20:34 20:37 20:39 B5.6 1654