Date and time are measured as GMT.

Temperature readings are in Celsius:

        AirT    NDBC's air temperature
        SeaN    NDBC's sea temperature reading (integrated through
                  the water column in an antifreeze-filled tube)
        Sea1m   FIO's sea temperature, approximately 1m below surface
        Sea3m   FIO's sea temperature, approximately 3m below surface

Salinity values are on the Practical Salinity Scale:

        Sal1    FIO's salinity, approximately 1m below surface
        Sal3    FIO's salinity, approximately 3m below surface

Wind speed (WSp) is measured in knots.

Wind direction (WD) is measured in degrees of the compass.

Barometric Pressure (Baro) is measured in millibars
        (1 bar = 29.53 inches of mercury).

Photosynthetically Active Radiation is measured in microeinsteins:

        PARs    FIO's measurement above water surface (on tower)
        PAR1    FIO's measurement at approximately 1m deep
        PAR3    FIO's measurement at approximately 3m deep