The thesis use 2 data ,From study analyzed the daily rainfall data of the APHRODITE's Water Resources data current version V1101resolution of (not point ทวินตี้ไฟท์ degree บาย not point ทวินตี้ไฟท์ degree)0.25°x0.25° latitude and longitude over Monsoon Asia in orange frame (APHRO_MA_V1101) for 1951 to 2007 and Data of Thai meteorological department for 1971 to 2012.