The Renningers 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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75° on Nov. 16, 1993, the hottest reading for this week of the year since 1978. Next is 75° in 2020.
Renningers’s center stands about 750 ft above sea level. Within three miles the land runs from 500 ft to 1,400 ft, a difference of 900 ft: steep hill country. The highest named summit within 15 miles is Bears Head, about 2,090 ft, 14 miles north-northeast.
The section below crosses 12 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.
Sandstone. Age: Carboniferous, 299 to 324 million years old. About 5 mi of the line.
Shale. Age: Ordovician, 445 to 487 million years old. About 4 mi of the line.
Sandstone. Age: Carboniferous, 299 to 324 million years old. About 3 mi of the line.
Shale, siltstone, sandstone. Age: Carboniferous, 324 to 359 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. Age: Silurian, 422 to 445 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. 6 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 Renningers reaches Delaware Bay and the Atlantic Ocean by way of Mahonney Creek, the Schuylkill and the Delaware: about 170 river miles.
110 miles of the trip are on the Schuylkill.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Renningers; river miles along the main stem, rounded.
Renningers has a hot-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 19° in January. About 48 inches of rain fall in a normal year.
On November 14 Renningers normally reaches 53° and falls to 33°. The record high is 70°, in 2022; the record low 17°, in 1986. The most rain on this date, 1.50 in, fell in 1983.
Normals 1991–2020 and records since 1978 at Blue Marsh Lake, 20 miles south-southeast, 400 ft lower. NOAA, through RCC-ACIS.
