The Lehighton 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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19° on Nov. 11, 2017, the coldest reading for this week of the year since 1934. Next is 19° in 2019.
Lehighton’s center stands about 530 ft above sea level. Within three miles the land runs from 460 ft to 1,430 ft, a difference of 970 ft: steep hill country. The highest named summit within 15 miles is Pine Hill, about 1,860 ft, 14 miles north-northeast.
The section below crosses 18 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 15×. 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, sandstone. Age: Carboniferous, 324 to 359 million years old. About 4 mi of the line.
Shale, slate. Age: Ordovician, 445 to 487 million years old. About 3 mi of the line.
Shale. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Black-shale. Age: Early Devonian to Middle Devonian, 384 to 422 million years old. About 2 mi of the line.
Shale, siltstone. Age: Early Devonian to Middle Devonian, 384 to 422 million years old. About 2 mi of the line.
Sandstone, siltstone, mudstone. Age: Late Devonian, 359 to 384 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. 12 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 Lehighton reaches Delaware Bay and the Atlantic Ocean by way of Mahoning Creek, the Lehigh and the Delaware: about 200 river miles.
150 miles of the trip are on the Delaware.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Lehighton; river miles along the main stem, rounded.
Lehighton has a hot-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 19° in January. A normal year brings about 27 inches of snow; with the rain, that comes to about 52 inches of water.
Normals 1991–2020 and records since 1934 at Lehighton 1 SSW, here. NOAA, through RCC-ACIS.
