Table 4: The largest areal rain depths (cm) on record in the US Area (km2) 1 day 2 day 3 day 10 98 (c) 110 (c) 115 (c) 100 97 (c) 107 (c) 110 (c) 500 87 (c) 96 (c) 102 (c) 1,000 85 (c) 93 (c) 97 (c) 2,000 80 (c) 89 (c) 92 (c) 5,000 65 (c) 74 (c) 77 (c) 10,000 46 (c) 57 (c) 66 (a) 20,000 33 (a) 48 (a) 57 (a) 30,000 27 (a) 43 (a) 53 (a) 50,000 21 (a) 36 (a) 46 (a)