The Oak Hill 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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9° on Nov. 14, 1920, the coldest reading for this week of the year since 1914. Next is 9° in 1933.
Oak Hill’s center stands about 720 ft above sea level. Within three miles the land runs from 670 ft to 880 ft, a difference of 210 ft: rolling country. The highest named summit within 15 miles is Stewart Knob, about 1,040 ft, 14 miles south.
Under the town center the state geologic map shows Allegheny and Pottsville Groups, Undivided (shale, siltstone), from the Carboniferous, 299 to 324 million years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 52×. 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, siltstone. Age: Carboniferous, 299 to 324 million years old. About 21 mi of the line.
Shale, siltstone, mudstone. Age: Carboniferous, 299 to 324 million years old. About 3 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 Oak Hill reaches the Gulf of America by way of Huntingcamp Creek, the Black Fork, Symmes Creek, the Ohio and the Mississippi: about 1,700 river miles.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Oak Hill; river miles along the main stem, rounded.
Oak Hill has a hot-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 21° in January. A normal year brings about 21 inches of snow; with the rain, that comes to about 45 inches of water.
On November 14 Oak Hill normally reaches 52° and falls to 33°. The record high is 75°, in 1931; the record low 9°, in 1986. The most rain on this date, 1.24 in, fell in 2024.
Normals 1991–2020 and records since 1914 at Jackson 3 NW, 15 miles north-northwest, 120 ft higher. NOAA, through RCC-ACIS.
