The Tedrow 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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4° on Nov. 13, 2019, the coldest reading for this week of the year since 1893. Next is 7° in 1933.
Tedrow’s center stands about 770 ft above sea level. Within three miles the land runs from 720 ft to 820 ft, a difference of 100 ft: gently rolling country.
Under the town center the state geologic map shows Sunbury and Bedford Formations, Undivided (shale), from the Devonian to Carboniferous, 324 to 422 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 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.
Shale. Age: Devonian, 359 to 422 million years old. About 9 mi of the line.
Shale. Age: Devonian to Carboniferous, 324 to 422 million years old. About 7 mi of the line.
Shale. Age: Carboniferous, 324 to 359 million years old. About 7 mi of the line.
Shale. Age: Carboniferous, 324 to 359 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.
A raindrop that lands in Tedrow reaches Lake Erie by way of the Tiffin and the Maumee: about 120 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
65 miles of the trip are on the Maumee.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Tedrow; river miles along the main stem, rounded.
Tedrow has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 17° in January. A normal year brings about 27 inches of snow; with the rain, that comes to about 35 inches of water.
On November 14 Tedrow normally reaches 49° and falls to 32°. The record high is 75°, in 1909; the record low 7°, in 2019. The most rain on this date, 1.00 in, fell in 1978.
Normals 1991–2020 and records since 1893 at Wauseon Water Plant, 7 miles south-southeast. NOAA, through RCC-ACIS.
