Rainfall is important for food production plan,
water resource management and all activity plans in the
nature. The occurrence of prolonged dry period or heavy
rain at the critical stages of the crop growth and
development may lead to significant reduce crop yield.
India is an agricultural country and its economy is largely
based upon crop productivity. Thus rainfall prediction
becomes a significant factor in agricultural countries like
India. Rainfall forecasting has been one of the most
scientifically and technologically challenging problems
around the world in the last century.