What does the sunny day in early spring represent?

The fine weather in early spring indicates rain this year.

Folk "beginning of spring sunny, even rainy; The phrase "beginning of spring is cloudy and bloom is warm in spring" means that if the weather in beginning of spring is sunny, it indicates that the rain will be very uniform this year, and there will be no drought or flood disaster; If the weather is cloudy in early spring, it means that there is likely to be a cold in late spring this spring.

Since childhood, we have heard old people say that "spring rain is as expensive as oil", which means that spring rain is precious. However, old people in rural areas often say that "it will be sunny and rainy in beginning of spring", which means that the solar terms in beginning of spring are sunny and rainy, which is very beneficial to the growth of crops. The "spring rain" which is as expensive as oil refers to the rain in spring and the rain in the rain. After all, the beginning of spring should be sunny.