What's the difference between cloudy days and cloudy days?

Cloudy and cloudy days are distinguished by the amount of clouds in the sky and the intensity of sunlight:

1, cloudy means that there are many clouds in the sky and there is not enough sunshine, but you can still see sunny days through the cracks in the clouds. A weather phenomenon with low cloud cover of 4/ 10-7/ 10 or high cloud cover of 6/ 10- 10.

2. Cloudy days refer to the condition that the total amount of low clouds in the sky is 8/ 10 or above, the sun rarely or cannot penetrate through the clouds, and the sky is dark. Clouds are usually gray or black and thicker than normal. ?

The sky condition is determined by the amount of clouds in the sky and the intensity of sunshine, which can be divided into four situations: sunny, partly cloudy, cloudy and cloudy.

1, sunny day: there is no cloud in the sky, or there are medium and low clouds less than110 and high clouds less than 4/ 10.

2. Partly cloudy: the total cloud cover of low and medium clouds is11310, or the cloud cover of high clouds is 4/ 10-5/ 10.

3. Cloudy: the medium and low cloud cover accounts for 4/ 10-7/ 10 of the sky area or the high cloud cover accounts for 6/ 10 of the sky area.

4、? Cloudy day: a meteorological phenomenon in which the total amount of medium and low clouds exceeds 95%.