1 1 FOG
2 2 ICE FOG
3 3 STEAM FOG
7 7 MIST
8 8 HAZE
9 9 SMOKE
10 10 VOLCANIC ASH
11 11 DUST
12 12 SAND
13 13 SNOW
14 14 CLOUD
15 15 PRECIPITATION
16 16 IMPOSSIBLE TO DETERMINE WHETHER SNOW IS FALLING OR NOT
