Name	Notation	Description	Types	Status
Unqualified	0		Concept	stable
Correct value (all checks passed)	1		Concept	stable
Probably good but value inconsistent with statistics (differ from climatology)	2		Concept	stable
Probably bad (spike, gradient, etc., if other tests passed)	3		Concept	stable
Bad value, impossible value (out of scale, vertical instability, constant profile)	4		Concept	stable
Value modified during quality control	5		Concept	stable
Interpolated value	8		Concept	stable
Good for operational use; Caution; check literature for other uses	9		Concept	stable
Missing value	15		Concept	stable