The Kent Estates 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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77° on Nov. 13, 1999, the hottest reading for this week of the year since 1935. Next is 76° in 1989.
Kent Estates’s center stands about 700 ft above sea level. Within three miles the land runs from 550 ft to 740 ft, a difference of 190 ft: gently rolling country.
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.
Limestone, dolostone. Age: Middle Devonian to Late Devonian, 374 to 388 million years old. About 14 mi of the line.
Dolostone, limestone. Age: Middle Devonian, 384 to 394 million years old. About 5 mi of the line.
Shale, sandstone, siltstone. Age: Early Pennsylvanian to Middle Pennsylvanian, 307 to 324 million years old. About 2 mi of the line.
Dolostone, mudstone. Age: Silurian, 425 to 434 million years old. About 0.9 mi of the line.
Shale, siltstone. Age: Late Devonian, 359 to 374 million years old. About 0.9 mi of the line.
Shale, limestone, dolostone. Age: Late Devonian, 374 to 384 million years old. About 0.6 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 Kent Estates reaches the Gulf of America by way of Mad Creek and the Mississippi: about 1,430 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Kent Estates; river miles along the main stem, rounded.
Kent Estates has a hot-summer humid continental climate. Summer afternoons average 86° in July; winter nights fall to about 13° in January. A normal year brings about 24 inches of snow; with the rain, that comes to about 40 inches of water.
On November 14 Kent Estates normally reaches 50° and falls to 30°. The record high is 74°, in 1990; the record low 5°, in 1940. The most rain on this date, 0.63 in, fell in 1985.
Normals 1991–2020 and records since 1935 at Muscatine, 4 miles south, 150 ft lower. NOAA, through RCC-ACIS.
