The New Market 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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7° on Nov. 14, 1986, the coldest reading for this week of the year since 1941. Next is 10° in 1967.
New Market’s center stands about 1,050 ft above sea level. Within three miles the land runs from 910 ft to 2,530 ft, a difference of 1,620 ft: steep hill country. The highest named summit within 15 miles is Blackrock, about 3,720 ft, 15 miles east-southeast.
Under the town center the state geologic map shows Martinsburg and Oranda Formations (shale), from the Ordovician, 445 to 487 million years old.
The section below crosses 13 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 10×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale. Age: Ordovician, 445 to 487 million years old. About 5 mi of the line.
Dolostone, limestone. Age: Ordovician, 445 to 487 million years old. About 4 mi of the line.
Limestone. Age: Cambrian to Ordovician, 445 to 542 million years old. About 4 mi of the line.
Quartzite, conglomerate, sandstone. Age: Cambrian, 487 to 542 million years old. About 2 mi of the line.
Limestone. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Shale, sandstone. Age: Devonian, 359 to 422 million years old. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 7 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 New Market reaches Chesapeake Bay and the Atlantic Ocean by way of Smith Creek, the North Fork Shenandoah, the Shenandoah and the Potomac: about 310 river miles.
180 miles of the trip are on the Potomac.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of New Market; river miles along the main stem, rounded.
New Market has a humid subtropical climate. Summer afternoons average 86° in July; winter nights fall to about 23° in January. A normal year brings about 19 inches of snow; with the rain, that comes to about 44 inches of water.
On November 14 New Market normally reaches 57° and falls to 34°. The record high is 80°, in 1989; the record low 7°, in 1986. The most rain on this date, 1.42 in, fell in 1972.
Normals 1991–2020 and records since 1941 at Luray 5 E, 16 miles east, 350 ft higher. NOAA, through RCC-ACIS.
