| Region | First Date of Landfall | Median Date of Landfall | Last Date |
| East Coast | Aug. 12 | Sept. 24 | Oct. 25 |
| Gulf Coast | Jun. 16 | Sept. 5 | Oct. 4 |
Table 2 Variations in the dates of landfall of U.S. landfalling IH along the East Coast and Gulf Coast between 1899 and 1991.