The Coolville 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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81° on Nov. 11, 2020, the hottest reading for this week of the year since 1982. Next is 78° in 1993.
Coolville’s center stands about 750 ft above sea level. Within three miles the land runs from 590 ft to 910 ft, a difference of 320 ft: rolling country. The highest named summit within 15 miles is Shafer Knob, about 1,080 ft, 14 miles south-southeast.
Under the town center the state geologic map shows Dunkard Group (mudstone, shale, siltstone), from the Carboniferous to Permian, 252 to 324 million years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 40×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Mudstone, shale, siltstone. Age: Carboniferous to Permian, 252 to 324 million years old. About 9 mi of the line.
Sandstone, siltstone, shale. Age: Carboniferous to Permian, 252 to 324 million years old. About 8 mi of the line.
Shale, siltstone, mudstone. Age: Carboniferous, 299 to 324 million years old. About 7 mi of the line.
Fine-detrital, coarse-detrital. Age: Quaternary, less than 2.6 million years old. About 1.0 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 Coolville reaches the Gulf of America by way of the Hocking, the Ohio and the Mississippi: about 1,750 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 Coolville; river miles along the main stem, rounded.
Coolville has a hot-summer humid continental climate. Summer afternoons average 87° in July; winter nights fall to about 24° in January. A normal year brings about 11 inches of snow; with the rain, that comes to about 44 inches of water.
On November 14 Coolville normally reaches 56° and falls to 36°. The record high is 77°, in 1989; the record low 10°, in 1986. The most rain on this date, 0.87 in, fell in 1993.
Normals 1991–2020 and records since 1982 at Parkersburg, 14 miles east-northeast, 160 ft lower. NOAA, through RCC-ACIS.
