Name	Notation	Description	Types	Status
Mean wind speed over a 10-minute period observed or recorded equal to or more than 10 m s-1 or 20 knots	0		Concept	stable
Mean wind speed over a 10-minute period observed or recorded equal to or more than 20 m s-1 or 40 knots	1		Concept	stable
Mean wind speed over a 10-minute period observed or recorded equal to or more than 30 m s-1 or 60 knots	2		Concept	stable
Maximum temperature less than 273.15 K	3		Concept	stable
Maximum temperature equal to or more than 298.15 K	4		Concept	stable
Maximum temperature equal to or more than 303.15 K	5		Concept	stable
Maximum temperature equal to or more than 308.15 K	6		Concept	stable
Maximum temperature equal to or more than 313.15 K	7		Concept	stable
Minimum temperature less than 273.15 K	8		Concept	stable
Maximum temperature equal to or more than 273.15 K	9		Concept	stable
Precipitation equal to or more than 1.0 kg m-2	10		Concept	stable
Precipitation equal to or more than 5.0 kg m-2	11		Concept	stable
Precipitation equal to or more than 10.0 kg m-2	12		Concept	stable
Precipitation equal to or more than 50.0 kg m-2	13		Concept	stable
Precipitation equal to or more than 100.0 kg m-2	14		Concept	stable
Precipitation equal to or more than 150.0 kg m-2	15		Concept	stable
Snow depth more than 0.00 m	16		Concept	stable
Snow depth more than 0.01 m	17		Concept	stable
Snow depth more than 0.10 m	18		Concept	stable
Snow depth more than 0.50 m	19		Concept	stable
Horizontal visibility less than 50 m	20		Concept	stable
Horizontal visibility less than 100 m	21		Concept	stable
Horizontal visibility less than 1000 m	22		Concept	stable
Hail	23		Concept	stable
Thunderstorm	24		Concept	stable
Missing value	31		Concept	stable