OBS-ID    hhc20020802_0801
EVNT0001  2002-08-01T23:57:07.761Z 2002-08-02T00:00:10.339Z    2.55
EVNT0002  2002-08-02T00:44:19.464Z 2002-08-02T00:47:22.042Z    2.17
EVNT0003  2002-08-02T02:04:05.683Z 2002-08-02T02:08:40.105Z    2.34
EVNT0004  2002-08-02T03:24:51.714Z 2002-08-02T03:28:56.230Z    2.14