The Sharon 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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0° on Nov. 17, 1959, the coldest reading for this week of the year since 1893. Next is 3° in 1933.
Sharon’s center stands about 1,000 ft above sea level. Within three miles the land runs from 920 ft to 1,030 ft, a difference of 110 ft: gently rolling country.
Under the town center the state geologic map shows Sinnipee Group (dolostone), from the Ordovician, 445 to 487 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 58×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Dolostone. Age: Ordovician, 445 to 487 million years old. About 17 mi of the line.
Dolostone. Age: Silurian, 422 to 445 million years old. About 4 mi of the line.
Shale, dolostone. Age: Ordovician, 445 to 487 million years old. About 3 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 Sharon reaches the Gulf of America by way of Little Turtle Creek, Turtle Creek, the Rock River and the Mississippi: about 1,650 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Sharon; river miles along the main stem, rounded.
Sharon has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 11° in January. A normal year brings about 36 inches of snow; with the rain, that comes to about 37 inches of water.
On November 14 Sharon normally reaches 44° and falls to 28°. The record high is 74°, in 1971; the record low 6°, in 1916. The most rain on this date, 1.83 in, fell in 1899.
Normals 1991–2020 and records since 1893 at Beloit, 15 miles west, 210 ft lower. NOAA, through RCC-ACIS.
