Table 3: Largest areal rain depths (cm) for Aug 1975 rainstorm in China Area (km2) 1 day 2 day 3 day 10 97 117 153 100 90 109 142 500 80 99 127 1,000 74 92 119 2,000 66 84 108 5,000 3 72 91 10,000 41 61 77 20,000 30 49 61 25,000 26 45 56