The Chatfield 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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78° on Nov. 11, 2020, the hottest reading for this week of the year since 1893. Next is 74° in 1893.
Chatfield’s center stands about 980 ft above sea level. Within three miles the land runs from 950 ft to 1,060 ft, a difference of 110 ft: gently rolling country.
Under the town center the state geologic map shows Ohio Shale (shale, black-shale), from the Devonian, 359 to 422 million years old.
The section below crosses 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 54×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, black-shale. Age: Devonian, 359 to 422 million years old. About 8 mi of the line.
Limestone. Age: Devonian, 359 to 422 million years old. About 4 mi of the line.
Dolostone. Age: Silurian, 422 to 445 million years old. About 3 mi of the line.
Shale. Age: Devonian, 359 to 422 million years old. About 3 mi of the line.
Sandstone, shale. Age: Devonian, 359 to 422 million years old. About 3 mi of the line.
Black-shale. Age: Carboniferous, 324 to 359 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. 1 smaller unit along the line are not listed.
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 Chatfield reaches Lake Erie by way of Sycamore Creek and the Sandusky: about 80 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
55 miles of the trip are on the Sandusky.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Chatfield; river miles along the main stem, rounded.
Chatfield has a hot-summer humid continental climate. Summer afternoons average 86° in July; winter nights fall to about 20° in January. A normal year brings about 23 inches of snow; with the rain, that comes to about 38 inches of water.
On November 14 Chatfield normally reaches 52° and falls to 35°. The record high is 72°, in 1909; the record low 6°, in 2019. The most rain on this date, 1.15 in, fell in 1972.
Normals 1991–2020 and records since 1893 at Bucyrus, 10 miles south. NOAA, through RCC-ACIS.
