*Precipitation ratio compared to the average year is calculated by the precipitation during the calculation period and the average year(from 1981 to 2020).
*Rainfall deficiency compared to the average year indicates the difference between the precipitation during the period and the average during the same period of recording year.
*Precipitation ratio compared to the average year is calculated by the precipitation during the calculation period and the average year(from 1981 to 2020).
*Rainfall deficiency compared to the average year indicates the difference between the precipitation during the period and the average during the same period of recording year.
*Precipitation ratio compared to the average year is calculated by the precipitation during the calculation period and the average year(from 1981 to 2020).
*Rainfall deficiency compared to the average year indicates the difference between the precipitation during the period and the average during the same period of recording year.
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