Notation	Name	Description	Status
0	Clear and dry		stable
1	Damp		stable
2	Wet with water patches		stable
3	Rime and frost covered (depth normally less than 1 mm)		stable
4	Dry snow		stable
5	Wet snow		stable
6	Slush	Snow or ice on the ground that has been reduced to a soft wat...	stable
7	Ice		stable
8	Compacted or rolled snow		stable
9	Frozen ruts or ridges		stable
15	Missing or not reported (e.g. due to runway clearance in progress)		stable