The Willingboro 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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18° on Nov. 14, 2019, the coldest reading for this week of the year since 1993. Next is 20° in 1995.
Willingboro’s center stands about 40 ft above sea level. Within three miles the land runs from 0 ft to 130 ft, a difference of 130 ft: gently rolling country. The highest named summit within 15 miles is Mount Holly, about 230 ft, 5 miles east-southeast.
Under the town center the state geologic map shows Woodbury Formation (clay, silt), from the Late Cretaceous, 72 to 84 million years old.
The section below crosses 17 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Mica-schist. Age: Paleozoic, 252 to 542 million years old. About 4 mi of the line.
Sand. Age: Late Cretaceous, 72 to 84 million years old. About 3 mi of the line.
Clay, sand. Age: Early Miocene, 16 to 23 million years old. About 2 mi of the line.
Clay, silt. Age: Late Cretaceous, 72 to 84 million years old. About 2 mi of the line.
Sand, clay. Age: Late Cretaceous, 72 to 84 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. 11 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 Willingboro reaches Delaware Bay and the Atlantic Ocean by way of South Branch Mill Creek, Mill Creek, Rancocas Creek and the Delaware: about 85 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Willingboro; river miles along the main stem, rounded.
Willingboro has a hot-summer humid continental climate. Summer afternoons average 85° 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 46 inches of water.
On November 14 Willingboro normally reaches 54° and falls to 34°. The record high is 66°, in 2005; the record low 18°, in 2019. The most rain on this date, 0.85 in, fell in 2008.
Normals 1991–2020 and records since 1993 at Philadelphia/Mt. Holly Wfo, 3 miles east-southeast. NOAA, through RCC-ACIS.
