The Gray Court 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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4.62 inches of rain fell in two days, the most for this week of the year since records began in 1901. The next wettest, 4.05 inches, fell in 1957.
Gray Court’s center stands about 800 ft above sea level. Within three miles the land runs from 640 ft to 840 ft, a difference of 200 ft: gently rolling country.
Under the town center the state geologic map shows Gray Court metagranite, from the Devonian, 359 to 422 million years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 45×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Metagranite. Age: Devonian, 359 to 422 million years old. About 13 mi of the line.
Gneiss. Age: Paleozoic, 252 to 542 million years old. About 6 mi of the line.
Biotite-gneiss. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 2 mi of the line.
Biotite-gneiss. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 2 mi of the line.
Mica-schist. Age: Neoproterozoic to Cambrian, 487 to 1,000 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.
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 Gray Court reaches the Atlantic Ocean by way of Mountain Creek, North Rabon Creek, Rabon Creek, the Reedy, the Saluda, the Congaree, the Santee and the South Santee: about 290 river miles.
Lakes on the way: Lib Pines Lake and Lake Murray.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Gray Court; river miles along the main stem, rounded.
Gray Court has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 30° in January. About 47 inches of rain fall in a normal year, with about 1 inch of snow.
On November 14 Gray Court normally reaches 64° and falls to 38°. The record high is 83°, in 1931; the record low 21°, in 1963. The most rain on this date, 1.24 in, fell in 1972.
Normals 1991–2020 and records since 1901 at Laurens, 9 miles southeast, 210 ft lower. NOAA, through RCC-ACIS.
