VariablesVariables (legacy): Sort Label: Entry ID Definition: Entry ID number Type: Nominal Missing values: None specified , Date_Time Label: Date Time Definition: Date and time of measurements in Eastern Time Type: Date/time Date format: YYYY-MM-DD hh:mm:ss Missing values: None specified , O3_PPB Label: Ozone Concentration Definition: Ozone concentration in parts per billion Type: Nominal Missing values: None specified , O3_flux Label: Ozone flux Definition: Ozone flux measured in μmol m-2 h-1 Type: Nominal Missing values: None specified