What does Grain Rain mean in the 24 solar terms?

Grain Rain is the sixth solar term among the 24 solar terms and the last solar term in spring. Every year from April 19 to April 2 1 day, when the sun reaches 30, it is Grain Rain, which comes from the old saying "Rain makes a hundred valleys". Grain Rain, like rain, Xiao Man, light snow and heavy snow, is a solar term reflecting precipitation and ancient farming culture.