OBS-ID    hhc20020313_0900
EVNT0001  2002-03-13T00:39:54.533Z 2002-03-13T00:45:54.541Z    2.54
EVNT0002  2002-03-13T02:55:24.537Z 2002-03-13T03:01:24.534Z    2.19
EVNT0003  2002-03-13T04:13:24.536Z 2002-03-13T04:27:54.537Z    2.10
EVNT0004  2002-03-13T05:47:54.541Z 2002-03-13T06:06:24.537Z    2.69