Register: Code Table D-1: Nil reasons
stable
URI: http://codes.wmo.int/common/nil
Nil-reason terms are used to provide an explanation for recording a missing (or void) value within a data product. Terms are drawn from authorities in addition to WMO including ISO/TC 211 (from ISO 19136:2007 Geography markup language clause 8.2.3.1; published on their behalf by the Open Geospatial Consortium).
Contents
| Name | Notation | Description | Types | Status |
|---|---|---|---|---|
| Above detection range | AboveDetectionRange | The value was above the detection range of the instrument use... | Concept | stable |
| Below detection range | BelowDetectionRange | The value was below the detection range of the instrument use... | Concept | stable |
| Inapplicable | inapplicable | There is no value. | Concept | stable |
| Missing | missing | The correct value is not readily available to the sender of t... | Concept | stable |
| NOSIG | noSignificantChange | No significant change is expected to occur. | Concept | stable |
| Nothing detected by automated system | notDetectedByAutoSystem | The automated observing system did not detect a value (e.g. n... | Concept | stable |
| Not observable | notObservable | A system failure, sensor failure, or sensor obstruction, prev... | Concept | stable |
| Nothing of operational signficance | nothingOfOperationalSignificance | Nothing was observed or forecast of operational significance ... | Concept | stable |
| Template | template | The value will be available later. | Concept | stable |
| Unknown | unknown | The correct value is not known to, and not computable by, the... | Concept | stable |
| Withheld | withheld | The value is not divulged. | Concept | stable |