0 0 0
1 1 1 OKTA OR LESS, BUT NOT ZERO
2 2 2 OKTAS
3 3 3 OKTAS
4 4 4 OKTAS
5 5 5 OKTAS
6 6 6 OKTAS
7 7 7 OKTAS OR MORE, BUT NOT 8 OKTAS
8 8 8 OKTAS
9 9 SKY OBSCURED BY FOG AND/OR OTHER METEOROLOGICAL PHENOMENA
10 10 SKY PARTIALLY OBSCURED BY FOG AND/OR OTHER METEOROLOGICAL PHENOMENA
11 11 SCATTERED
12 12 BROKEN
13 13 FEW
14 14 RESERVED
15 15 CLOUD COVER IS INDISCERNIBLE FOR REASONS OTHER THAN FOG OR OTHER METEOROLOGICAL PHENOMENA, OR OBSERVATION IS NOT MADE
