The Chester 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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15° on Nov. 15, 1963, the coldest reading for this week of the year since 1922. Next is 17° in 1969.
Chester’s center stands about 520 ft above sea level. Within three miles the land runs from 420 ft to 640 ft, a difference of 220 ft: rolling country. The highest named summit within 15 miles is Bulls Hill, about 750 ft, 9 miles north-northwest.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 62×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Metagabbro. Age: Neoproterozoic to Devonian, 359 to 1,000 million years old. About 17 mi of the line.
Metagranite, metadiorite. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 5 mi of the line.
Metagranite. Age: Neoproterozoic to Devonian, 359 to 1,000 million years old. About 1 mi of the line.
Gabbro. Age: Silurian to Devonian, 359 to 445 million years old. About 0.9 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 Chester reaches the Atlantic Ocean by way of the Dry Fork, the Sandy, the Broad, the Congaree, the Santee and the South Santee: about 250 river miles.
Lake on the way: Lib Pines Lake.
70 miles of the trip are on the Santee.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Chester; river miles along the main stem, rounded.
Chester has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 30° in January. About 46 inches of rain fall in a normal year.
On November 14 Chester normally reaches 63° and falls to 38°. The record high is 82°, in 1989; the record low 20°, in 1963. The most rain on this date, 1.48 in, fell in 1940.
Normals 1991–2020 and records since 1922 at Chester 1 SE, here. NOAA, through RCC-ACIS.
