The East Cape Girardeau 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 sunny; warmer
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3.59 inches of rain fell in two days, the most for this week of the year since records began in 1960. The next wettest, 2.87 inches, fell in 2011.
East Cape Girardeau’s center stands about 340 ft above sea level. Within three miles the land runs from 300 ft to 500 ft, a difference of 200 ft: gently rolling country. The highest named summit within 15 miles is Italian Hill, about 900 ft, 10 miles east-northeast.
Under the town center the state geologic map shows Kimmswick (Trenton) Limestone and Decorah Formation (limestone, dolostone), from the Late Ordovician, 447 to 454 million years old.
The section below crosses 9 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 37×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Clay, silt, sand. Age: Holocene, less than 12,000 years old. About 6 mi of the line.
Shale, limestone. Age: Late Ordovician, 445 to 454 million years old. About 4 mi of the line.
Limestone. Age: Silurian to Early Devonian, 394 to 425 million years old. About 4 mi of the line.
Limestone. Age: Middle Ordovician, 459 to 471 million years old. About 4 mi of the line.
Dolostone, limestone. Age: Silurian, 422 to 445 million years old. About 2 mi of the line.
Limestone, dolostone. Age: Late Ordovician, 447 to 454 million years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 3 smaller units 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 East Cape Girardeau reaches the Gulf of America by way of Clear Creek and the Mississippi: about 1,020 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of East Cape Girardeau; river miles along the main stem, rounded.
East Cape Girardeau has a humid subtropical climate. Summer afternoons average 89° in July; winter nights fall to about 26° in January. About 48 inches of rain fall in a normal year.
On November 14 East Cape Girardeau normally reaches 57° and falls to 37°. The record high is 80°, in 1964; the record low 13°, in 1986. The most rain on this date, 1.34 in, fell in 2011.
Normals 1991–2020 and records since 1960 at Cape Girardeau Faa Airport, 7 miles southwest. NOAA, through RCC-ACIS.
