columns are:

YYYY MM DD hh mm TT.TT SS.SS P.PPP C.CCC

YYYY-year
MM-month
DD-day
hh-hours
mm-minutes
(all in local (EST))
TT.TT- temperature, C
SS.SS- Salinity, PSU
P.PPP- pressure, decibars
C.CCC- conductivity, S/m