The Maple Glen 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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77° on Nov. 12, 2015, the hottest reading for this week of the year since 1948. Next is 76° in 2020.
Maple Glen’s center stands about 390 ft above sea level. Within three miles the land runs from 190 ft to 390 ft, a difference of 200 ft: gently rolling country. The highest named summit within 15 miles is Buckingham Mountain, about 570 ft, 12 miles northeast.
Under the town center the state geologic map shows Stockton Formation (arkose), from the Triassic, 202 to 252 million years old.
The section below crosses 10 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 32×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Argillite. Age: Triassic, 202 to 252 million years old. About 7 mi of the line.
Arkose. Age: Triassic, 202 to 252 million years old. About 5 mi of the line.
Mica-schist. Age: Paleozoic, 252 to 542 million years old. About 4 mi of the line.
Mudstone. Age: Triassic, 202 to 252 million years old. About 2 mi of the line.
Sand. Age: Miocene, 5.3 to 23 million years old. About 2 mi of the line.
Gneiss. Age: Precambrian. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 4 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 Maple Glen reaches Delaware Bay and the Atlantic Ocean by way of Pennypack Creek and the Delaware: about 95 river miles.
75 miles of the trip are on the Delaware.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Maple Glen; river miles along the main stem, rounded.
Maple Glen has a humid subtropical climate. Summer afternoons average 89° in July; winter nights fall to about 23° in January. A normal year brings about 25 inches of snow; with the rain, that comes to about 51 inches of water.
On November 14 Maple Glen normally reaches 57° and falls to 35°. The record high is 74°, in 1955; the record low 19°, in 1986. The most rain on this date, 0.70 in, fell in 2020.
Normals 1991–2020 and records since 1948 at Norristown, 10 miles west-southwest, 330 ft lower. NOAA, through RCC-ACIS.
