WEATHER_DATA_AVAILABILITY
| YEAR (year) |
NOTNULL | NUMBER(4) | - |
| WMO_NO (station number) |
NOTNULL | NUMBER(5) | - |
| AVAILABILITY_TYPE (group of variable(s)) |
NOTNULL | VARCHAR2(30) | - |
| YEAR (year) |
NOTNULL | NUMBER(4) | - |
| WMO_NO (station number) |
NOTNULL | NUMBER(5) | - |
| AVAILABILITY_TYPE (group of variable(s)) |
NOTNULL | VARCHAR2(30) | - |