The Edmore 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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2° on Nov. 16, 1933, the coldest reading for this week of the year since 1895. Next is 2° in 1959.
Edmore’s center stands about 970 ft above sea level. Within three miles the land runs from 900 ft to 1,030 ft, a difference of 130 ft: gently rolling country.
Under the town center the state geologic map shows Saginaw Formation (sandstone, shale), from the Carboniferous, 299 to 324 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.
Shale. Age: Jurassic, 145 to 202 million years old. About 19 mi of the line.
Sandstone, shale. Age: Carboniferous, 299 to 324 million years old. About 5 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 Edmore reaches Lake Michigan by way of the Flat and the Grand River: about 140 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
70 miles of the trip are on the Grand River.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Edmore; river miles along the main stem, rounded.
Edmore has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 16° in January. About 36 inches of rain fall in a normal year.
On November 14 Edmore normally reaches 46° and falls to 31°. The record high is 70°, in 1909; the record low 13°, in 2019. The most rain on this date, 1.18 in, fell in 1957.
Normals 1991–2020 and records since 1895 at Central Michigan University, 18 miles northeast, 180 ft lower. NOAA, through RCC-ACIS.
