OBS-ID    hhc20020805_0815
EVNT0001  2002-08-04T23:28:08.776Z 2002-08-04T23:33:13.089Z    2.06
EVNT0002  2002-08-05T03:27:14.667Z 2002-08-05T03:34:51.667Z    2.36
EVNT0003  2002-08-05T05:13:59.089Z 2002-08-05T05:28:45.323Z    2.46