The Ruskin 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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36° on Nov. 11, 2025, the coldest reading for this week of the year since 1976. Next is 39° in 1977.
Ruskin’s center stands about 9 ft above sea level. Within three miles the land runs from 0 ft to 50 ft, a difference of 50 ft: nearly flat ground. Open water lies within three miles.
Under the town center the state geologic map shows Shelly sediments of Plio-Pleistocene age (sand, limestone), from the Late Pliocene to Pleistocene, less than 3.6 million years old.
The section below crosses 3 rock units mapped at the surface.
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.
Sand, clay. Age: Pleistocene to Holocene, less than 2.6 million years old. About 9 mi of the line.
Sand, limestone. Age: Late Pliocene to Pleistocene, less than 3.6 million years old. About 7 mi of the line.
Sand, clay, dolostone. Age: Middle Miocene to Pliocene, 2.6 to 16 million years old. About 1 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.
A raindrop that lands in Ruskin reaches Tampa Bay and the Gulf of America by way of Marsh Branch: about 3 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Ruskin; river miles along the main stem, rounded.
Ruskin has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 51° in January. About 54 inches of rain fall in a normal year.
On November 14 Ruskin normally reaches 79° and falls to 58°. The record high is 87°, in 1993; the record low 43°, in 1984. The most rain on this date, 0.87 in, fell in 2023.
Normals 1991–2020 and records since 1976 at Tampa Bay Area Wfo, 2 miles east-southeast. NOAA, through RCC-ACIS.
