Notation	Name	Description	Status
001	Year		stable
002	Month		stable
003	Day		stable
004	Hour		stable
005	Minute		stable
006	Second		stable
007	Seconds within a minute (microsecond accuracy)		stable
011	Time increment		stable
012	Time increment		stable
013	Time increment		stable
014	Time increment		stable
015	Time increment		stable
016	Time increment		stable
017	Reference time period for accumulated or extreme data		stable
021	Time period or displacement		stable
022	Time period or displacement		stable
023	Time period or displacement		stable
024	Time period or displacement		stable
025	Time period or displacement		stable
026	Time period or displacement		stable
031	Duration of time relating to following value		stable
032	Duration of time relating to following value		stable
041	Time difference, UTC - LMT		stable
043	Day of the year		stable
051	Principal time of daily reading of maximum temperature		stable
052	Principal time of daily reading of minimum temperature		stable
053	Number of days with precipitation equal to or more than 1 mm		stable
059	Times of observation used to compute the reported mean values		stable
065	Short time increment		stable
066	Short time increment		stable
073	Short time period or displacement		stable
074	Short time period or displacement		stable
075	Short time period or displacement		stable
080	Averaging period for following value		stable
086	Long time period or displacement		stable