The Shawnee Hills 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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5° on Nov. 13, 2019, the coldest reading for this week of the year since 1916. Next is 9° in 1933.
Shawnee Hills’s center stands about 1,040 ft above sea level. Within three miles the land runs from 970 ft to 1,060 ft, a difference of 90 ft: gently rolling country.
Under the town center the state geologic map shows Cedarville, Springfield, and Euphemia Dolomites, Undivided (dolostone), from the Silurian, 422 to 434 million years old.
The section below crosses 5 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.
Limestone. Age: Silurian, 422 to 445 million years old. About 6 mi of the line.
Shale, dolostone, limestone. Age: Ordovician, 445 to 487 million years old. About 6 mi of the line.
Dolostone. Age: Silurian, 422 to 434 million years old. About 5 mi of the line.
Dolostone. Age: Silurian, 422 to 434 million years old. About 5 mi of the line.
Dolostone. Age: Silurian, 428 to 445 million years old. About 2 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 Shawnee Hills reaches the Gulf of America by way of Caesar Creek, the Little Miami, the Ohio and the Mississippi: about 1,560 river miles.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Shawnee Hills; river miles along the main stem, rounded.
Shawnee Hills has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 23° in January. A normal year brings about 20 inches of snow; with the rain, that comes to about 43 inches of water.
On November 14 Shawnee Hills normally reaches 54° and falls to 36°. The record high is 76°, in 1931; the record low 10°, in 1986. The most rain on this date, 1.09 in, fell in 2024.
Normals 1991–2020 and records since 1916 at Xenia 6 SSE, 7 miles west-southwest. NOAA, through RCC-ACIS.
