The Toledo 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.
Toledo’s center stands about 620 ft above sea level. Within three miles the land runs from 560 ft to 640 ft, a difference of 80 ft: gently rolling country.
Under the town center the state geologic map shows Tymochtee and Greenfield Formations, Undivided (dolostone), from the Silurian, 428 to 445 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 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, 428 to 445 million years old. About 14 mi of the line.
Dolostone. Age: Silurian, 422 to 445 million years old. About 6 mi of the line.
Dolostone. Age: Silurian, 425 to 445 million years old. About 2 mi of the line.
Dolostone, shale, limestone. Age: Devonian, 359 to 422 million years old. About 0.8 mi of the line.
Limestone. Age: Devonian, 359 to 422 million years old. About 0.7 mi of the line.
Dolostone. Age: Devonian, 359 to 422 million years old. About 0.7 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 Toledo reaches Lake Erie by way of the Ottawa: about 10 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Toledo; river miles along the main stem, rounded.
Toledo 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 Toledo 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, 8 miles south-southeast. NOAA, through RCC-ACIS.
