The Penn Lake Park 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.
Mostly cloudy
Partly cloudy
Partly cloudy
Mostly sunny
Sunny
Mostly sunny
Mostly sunny
72° on Nov. 11, 2020, the hottest reading for this week of the year since 1958. Next is 71° in 2012.
Penn Lake Park’s center stands about 1,380 ft above sea level. Within three miles the land runs from 1,190 ft to 1,860 ft, a difference of 670 ft: hilly country. The highest named summit within 15 miles is Big Pine Hill, about 2,260 ft, 11 miles northeast.
Under the town center the state geologic map shows Mauch Chunk Formation (shale, siltstone, sandstone), from the Carboniferous, 324 to 359 million years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 13×. 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, 324 to 359 million years old. About 8 mi of the line.
Shale, siltstone, sandstone. Age: Carboniferous, 324 to 359 million years old. About 7 mi of the line.
Sandstone. Age: Devonian to Carboniferous, 324 to 422 million years old. About 5 mi of the line.
Sandstone. Age: Carboniferous, 299 to 324 million years old. About 3 mi of the line.
Sandstone, siltstone. 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.
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 Penn Lake Park reaches Delaware Bay and the Atlantic Ocean by way of Wright Creek, the Lehigh and the Delaware: about 230 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 Penn Lake Park; river miles along the main stem, rounded.
Penn Lake Park has a warm-summer humid continental climate. Summer afternoons average 79° in July; winter nights fall to about 16° in January. About 49 inches of rain fall in a normal year.
On November 14 Penn Lake Park normally reaches 48° and falls to 30°. The record high is 65°, in 1964; the record low 10°, in 1997. The most rain on this date, 0.91 in, fell in 1972.
Normals 1991–2020 and records since 1958 at Francis E Walter Dam, 2 miles east, 130 ft higher. NOAA, through RCC-ACIS.
