| Name |
Symbol |
Description |
| Clear sky |
 |
No clouds |
| Scattered clouds, 0.1 or less |
 |
Clouds cover 10% of the sky or less |
| Scattered clouds, 0.2 - 0.3 |
 |
Clouds cover 20% - 30% of the sky |
| Scattered clouds, 0.4 |
 |
Clouds cover 40% of the sky |
| Scattered clouds, 0.5 |
 |
Clouds cover 50% of the sky |
| Broken clouds, 0.6 |
 |
Clouds cover 60% of the sky |
| Broken clouds, 0.7 - 0.8 |
 |
Clouds cover 70% - 80% of the sky |
| Broken clouds, 0.9 |
 |
Clouds cover 90% of the sky |
| Overcast, complete |
 |
Clouds cover 100% of the sky |
| Overcast, sky obscured |
 |
Sky not visible |
