The Bowers 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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78° on Nov. 15, 1993, the hottest reading for this week of the year since 1858. Next is 74° in 1902.
Bowers’s center stands about 450 ft above sea level. Within three miles the land runs from 410 ft to 1,100 ft, a difference of 690 ft: hilly country. The highest named summit within 15 miles is Topton Mountain, about 1,270 ft, 3 miles east.
Under the town center the state geologic map shows Allentown Formation (dolostone, limestone), from the Cambrian, 487 to 542 million years old.
The section below crosses 11 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 23×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Gneiss. Age: Precambrian. About 6 mi of the line.
Shale. Age: Ordovician, 445 to 487 million years old. About 5 mi of the line.
Dolostone, limestone. Age: Cambrian, 487 to 542 million years old. About 3 mi of the line.
Shale. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Quartzite, sandstone. Age: Cambrian, 487 to 542 million years old. About 2 mi of the line.
Mudstone. Age: Triassic, 202 to 252 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. 5 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 Bowers reaches Delaware Bay and the Atlantic Ocean by way of Sacony Creek, Maiden Creek, the Schuylkill and the Delaware: about 170 river miles.
85 miles of the trip are on the Schuylkill.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Bowers; river miles along the main stem, rounded.
Bowers has a hot-summer humid continental climate. Summer afternoons average 87° in July; winter nights fall to about 23° in January. About 45 inches of rain fall in a normal year.
On November 14 Bowers normally reaches 54° and falls to 36°. The record high is 74°, in 1955; the record low 16°, in 1986. The most rain on this date, 1.37 in, fell in 1995.
Normals 1991–2020 and records since 1858 from the Reading Area threaded record (Reading 4 SW, 17 miles southwest, 130 ft lower). NOAA, through RCC-ACIS.
