The Coatsburg 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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3° on Nov. 17, 1959, the coldest reading for this week of the year since 1901. Next is 5° in 2019.
Coatsburg’s center stands about 760 ft above sea level. Within three miles the land runs from 650 ft to 760 ft, a difference of 110 ft: gently rolling country.
Under the town center the state geologic map shows Carbondale Formation (shale, sandstone, coal), from the Middle Pennsylvanian to Late Pennsylvanian, 304 to 315 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: Middle Mississippian, 331 to 347 million years old. About 15 mi of the line.
Limestone. Age: Middle Mississippian, 331 to 347 million years old. About 4 mi of the line.
Shale, sandstone, coal. Age: Middle Pennsylvanian to Late Pennsylvanian, 304 to 315 million years old. About 2 mi of the line.
Limestone. Age: Early Mississippian to Middle Mississippian, 331 to 359 million years old. About 2 mi of the line.
Shale, sandstone. Age: Early Pennsylvanian to Middle Pennsylvanian, 307 to 324 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 Coatsburg reaches the Gulf of America by way of Brushy Creek, South Fork Bear Creek, Bear Creek and the Mississippi: about 1,350 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Coatsburg; river miles along the main stem, rounded.
Coatsburg has a hot-summer humid continental climate. Summer afternoons average 86° in July; winter nights fall to about 19° in January. About 36 inches of rain fall in a normal year.
On November 14 Coatsburg normally reaches 52° and falls to 34°. The record high is 76°, in 2025; the record low 9°, in 1940. The most rain on this date, 1.03 in, fell in 1926.
Normals 1991–2020 and records since 1901 from the Quincy Area threaded record (Quincy Regional Airport, 7 miles south-southwest). NOAA, through RCC-ACIS.
