Rainfall is the amount of water that falls from the sky over the course of a day. Rainfall prediction is of great significance to agricultural production, flood control and drought relief, irrigation and so on. It can make us better understand the weather changes, so as to make agricultural production plans and improve agricultural planting efficiency.
Rainfall is a very important indicator of crop growth, which reflects the water demand of crops. When it rains well, crops have enough water to grow, increasing yields.
The amount of precipitation directly affects the level of the river, so the rainfall is the most critical factor to determine whether the flood disaster occurs.
Rainfall can improve soil and increase crop yield and quality. It can regulate soil water, air and heat, and play an important role in improving farmland microclimate. Rainfall lowers air and soil temperatures, which improves growing conditions and increases crop yields. In addition, rainfall can also promote the change of water, air and heat conditions in farmland, which is conducive to the normal growth and development of crops.