1 1 PRECIPITATION-UNKNOWN TYPE
2 2 LIQUID PRECIPITATION NOT FREEZING
3 3 LIQUID FREEZING PRECIPITATION
4 4 DRIZZLE
5 5 RAIN
6 6 SOLID PRECIPITATION
7 7 SNOW
8 8 SNOW GRAINS
9 9 SNOW PELLETS
10 10 ICE PELLETS
11 11 ICE CRYSTALS
12 12 DIAMOND DUST
13 13 SMALL HAIL
14 14 HAIL
15 15 GLAZE
16 16 RIME
17 17 SOFT RIME
18 18 HARD RIME
19 19 CLEAR ICE
20 20 WET SNOW
21 21 HOAR FROST
22 22 DEW
23 23 WHITE DEW
30 30 ALL 30 MISSING VALUE
