/usr/share/eccodes/definitions/metar/runwayStateDeposit.table is in libeccodes-data 2.6.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | 0|Clear and dry
1|Damp
2|Wet with water patches
3|Rime and frost covered (depth normally less than 1 mm)
4|Dry snow
5|Wet snow
6|Slush
7|Ice
8|Compacted or rolled snow
9|Frozen ruts or ridges
/|Missing or not reported
|