The Key West plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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23.33 inches of rain fell in two days, the most for this week of the year since records began in 1871. The next wettest, 19.88 inches, fell in 1954.
Key West’s center stands about 9 ft above sea level. Within three miles the land runs from 0 ft to 20 ft, a difference of 20 ft: nearly flat ground. Open water lies within three miles.
Under the town center the state geologic map shows Miami Limestone (limestone, sandstone), from the Pleistocene, less than 2.6 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Limestone, sandstone. Age: Pleistocene, less than 2.6 million years old. About 8 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
Key West has a tropical savanna climate. Summer afternoons average 91° in August; winter nights fall to about 65° in January. About 40 inches of rain fall in a normal year.
On November 14 Key West normally reaches 81° and falls to 72°. The record high is 87°, in 2018; the record low 56°, in 1932. The most rain on this date, 2.94 in, fell in 1902.
Normals 1991–2020 and records since 1871 from the Key West Area threaded record (Key West International Airport, here). NOAA, through RCC-ACIS.
