How to distinguish between sunny, cloudy, cloudy and light rain?

There are no clouds or scattered clouds in the sky, and the amount of clouds in the sky is less than110 of the sky area.

Weather symbol:

very good

2.2 Cloudy clouds

There are 4-70% medium-low clouds or 6- 10% high clouds in the sky.

Weather symbol:

cloudy

2.3 cloudy day

The sky is dark and densely covered with clouds, or even if there are clouds (accounting for more than 80% of the total amount of clouds), the sky is still dark, and occasionally a faint ray of sunshine can be seen from the clouds.

Weather symbol:

cloudy day

2.4 light rain

12 hour precipitation is 0.1-4.9mm, and 24 hour precipitation is 0.1-9.9mm. ..