The Kelleys Island 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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5° on Nov. 16, 1933, the coldest reading for this week of the year since 1896. Next is 10° in 2019.
Kelleys Island’s center stands about 630 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 Columbus Limestone, from the Devonian, 359 to 422 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.
Limestone. Age: Devonian, 359 to 422 million years old. About 5 mi of the line.
Dolostone. Age: Silurian, 422 to 445 million years old. About 1 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.
Kelleys Island has a hot-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 22° in January. About 34 inches of rain fall in a normal year.
On November 14 Kelleys Island normally reaches 51° and falls to 37°. The record high is 73°, in 1909; the record low 15°, in 1986. The most rain on this date, 1.36 in, fell in 1972.
Normals 1991–2020 and records since 1896 at Sandusky, 10 miles south. NOAA, through RCC-ACIS.
