Oktas |
Definition |
Category |
0 |
Sky clear | Fine |
1 |
1/8 of sky covered or less, but not zero | Fine |
2 |
2/8 of sky covered | Fine |
3 |
3/8 of sky covered | Partly Cloudy |
4 |
4/8 of sky covered | Partly Cloudy |
5 |
5/8 of sky covered | Partly Cloudy |
6 |
6/8 of sky covered | Cloudy |
7 |
7/8 of sky covered or more, but not 8/8 | Cloudy |
8 |
8/8 of sky completely covered, no breaks | Overcast |