What is the second solar term in spring?

Rain-indicates that the precipitation begins and the rainfall gradually increases. Every February 18 or so, the sun reaches 330 degrees of the yellow meridian, which is the "rain" solar term. Rain has two meanings, one is that the weather gets warmer and the precipitation increases gradually, and the other is that there is less snow and more rain. "Twenty-four solar terms" said: "In the first month, water is in the sky. Spring belongs to wood, but there must be water for those who grow wood, so there is rain in beginning of spring. If the east wind melts, it will disperse into rain. "