The Clay Center 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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6° on Nov. 13, 2019, the coldest reading for this week of the year since 1939. Next is 15° in 1942.
Clay Center’s center stands about 610 ft above sea level. Within three miles the land runs from 590 ft to 650 ft, a difference of 60 ft: nearly flat ground.
Under the town center the state geologic map shows Lockport Dolomite (dolostone), from the Silurian, 425 to 445 million years old.
The section below crosses 2 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.
Dolostone. Age: Silurian, 425 to 445 million years old. About 18 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.
Clay Center has a hot-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 20° in January. About 32 inches of rain fall in a normal year.
On November 14 Clay Center normally reaches 51° and falls to 34°. The record high is 68°, in 2011; the record low 15°, in 1942. The most rain on this date, 1.17 in, fell in 2011.
Normals 1991–2020 and records since 1939 at Toledo Executive Airport, 6 miles west. NOAA, through RCC-ACIS.
