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