# Code table 4.203 - Cloud type
0 0 Clear 
1 1 Cumulonimbus 
2 2 Stratus 
3 3 Stratocumulus 
4 4 Cumulus 
5 5 Altostratus 
6 6 Nimbostratus 
7 7 Altocumulus 
8 8 Cirrostratus 
9 9 Cirrocumulus 
10 10 Cirrus 
11 11 Cumulonimbus - ground-based fog beneath the lowest layer 
12 12 Stratus - ground-based fog beneath the lowest layer 
13 13 Stratocumulus - ground-based fog beneath the lowest layer 
14 14 Cumulus - ground-based fog beneath the lowest layer 
15 15 Altostratus - ground-based fog beneath the lowest layer 
16 16 Nimbostratus - ground-based fog beneath the lowest layer 
17 17 Altocumulus - ground-based fog beneath the lowest layer 
18 18 Cirrostratus - ground-based fog beneath the lowest layer 
19 19 Cirrocumulus - ground-based fog beneath the lowest layer 
20 20 Cirrus - ground-based fog beneath the lowest layer 
# 21-190 Reserved 
191 191 Unknown 
# 192-254 Reserved for local use 
255 255 Missing