The Culver 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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Mostly cloudy; warmer
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76° on Nov. 11, 2020, the hottest reading for this week of the year since 1989. Next is 73° in 2022.
Culver’s center stands about 760 ft above sea level. Within three miles the land runs from 720 ft to 850 ft, a difference of 130 ft: gently rolling country.
Under the town center the state geologic map shows Antrim Shale (black-shale), 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.
Black-shale. Age: Devonian, 359 to 422 million years old. About 20 mi of the line.
Limestone, dolostone. Age: Devonian, 359 to 422 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 Culver reaches the Gulf of America by way of the Tippecanoe, the Wabash, Big Bayou, the Wabash River Old Channel, the Old Channel Wabash, the Ohio and the Mississippi: about 1,510 river miles.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Culver; river miles along the main stem, rounded.
Culver 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 55 inches of snow; with the rain, that comes to about 40 inches of water.
On November 14 Culver normally reaches 49° and falls to 32°. The record high is 70°, in 1999; the record low 7°, in 2019. The most rain on this date, 0.70 in, fell in 1993.
Normals 1991–2020 and records since 1989 at Plymouth, 10 miles north-northeast. NOAA, through RCC-ACIS.
