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Cumulative percent storm rainfall Atlas 14

Cumulative Percent of Storm Rainfall for Given Storm Type – Atlas 14. Source: U.S. Department of Commerce. NOAA Atlas 14, Precipitation-Frequency Atlas of the United States, Volume 8, Version 2, 2013.
Duration All cases First quartile cases Second quartile cases Third quartile cases Fourth quartile cases
6-hour 8828 3967 (45%) 2547 (29%) 1554 (17%) 760 (9%)
12-hour 9010 4593 (51%) 2110 (23%) 1505 (17%) 802 (9%)
24-hour 8370 4170 (50%) 1765 (21%) 1378 (16%) 1057 (13%)
96-hour 8415 (47%) 3990 (47%) 1551 (18%) 1389 (17%) 1485 (18%)