The Roebling 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; warmer
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79° on Nov. 15, 1993, the hottest reading for this week of the year since 1865. Next is 77° in 1973.
Roebling’s center stands about 50 ft above sea level. Within three miles the land runs from 0 ft to 160 ft, a difference of 160 ft: gently rolling country. The highest named summit within 15 miles is Mount Holly, about 230 ft, 8 miles south.
Under the town center the state geologic map shows Magothy Formation (sand), from the Late Cretaceous, 84 to 87 million years old.
The section below crosses 19 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.
Sand, clay. Age: Pleistocene, less than 2.6 million years old. About 4 mi of the line.
Sand, clay. Age: Late Cretaceous, 72 to 84 million years old. About 3 mi of the line.
Sand. Age: Miocene, 5.3 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.
Gneiss. Age: Precambrian. About 2 mi of the line.
Sand. Age: Middle Miocene, 12 to 14 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. 13 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 Roebling reaches Delaware Bay and the Atlantic Ocean by way of the Delaware: about 95 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Roebling; river miles along the main stem, rounded.
Roebling has a hot-summer humid continental climate. Summer afternoons average 86° in July; winter nights fall to about 24° in January. A normal year brings about 27 inches of snow; with the rain, that comes to about 46 inches of water.
On November 14 Roebling normally reaches 55° and falls to 37°. The record high is 72°, in 1993; the record low 16°, in 1986. The most rain on this date, 1.89 in, fell in 1972.
Normals 1991–2020 and records since 1865 from the Trenton Area threaded record (Trenton-Mercer Airport, 11 miles north, 140 ft higher). NOAA, through RCC-ACIS.
