Automatic monitoring system for highway rainfall and automatic monitoring method thereof

The invention provides a system for automatically monitoring the rainfall on road and an automatic monitoring method. The automatically-monitoring system comprises rain gages which are distributed at rainfall monitoring points on the road and are used for performing electronic measurement on the rainfall at the monitoring points; a front end control box which is connected with the rain gauges and is used for converting measurement signals produced by the rain gauges; and a rainfall data receiving server which is connected with the front end control box through network to realize the receiving and displaying of signals measured by the rain gauges. The road rainfall automatically-monitoring system and the automatically-monitoring method can timely and accurately feedback rainfall data, and has lower cost for mounting and operation, and can be designed and mounted according to geological environment; in addition, the feedback data can be displayed in a map form vividly, so that commanders can assign patrolmen an