Updated: 02 Dec 2019


The variable attribute VAR_VALID_MIN indicates the valid minimum or detection limit of the data variable. The value of VAR_VALID_MIN must be reported in the units specified in VAR_UNITS. String data types must have a corresponding attribute value of an empty string:


VAR_VALID_MIN = [empty]


Type: Equal to the ones specified in VAR_DATA_TYPE(cf. Section 5.1.6)

Entry: Single

Format: Consistent with the variable's data type and formatting

Example: VAR_VALID_MIN = 0.0