The Jersey City 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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80° on Nov. 15, 1993, the hottest reading for this week of the year since 1869. Next is 77° in 1973.
Jersey City’s center stands about 40 ft above sea level. Within three miles the land runs from 0 ft to 170 ft, a difference of 170 ft: gently rolling country. Open water lies within three miles. The highest named summit within 15 miles is Stony Hill, about 650 ft, 10 miles northwest.
The section below crosses 9 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.
Sandstone-mudstone, siltstone-mudstone. Age: Early Jurassic to Late Jurassic, 145 to 202 million years old. About 5 mi of the line.
Sandstone, siltstone. Age: Early Jurassic to Late Jurassic, 145 to 202 million years old. About 5 mi of the line.
Clay. Age: Late Cretaceous, 66 to 100 million years old. About 4 mi of the line.
Plutonic. Age: Early Jurassic, 175 to 202 million years old. About 2 mi of the line.
Siltstone-mudstone. Age: Late Jurassic, 145 to 164 million years old. About 1 mi of the line.
Schist, gneiss. Age: Neoproterozoic to Early Cambrian, 521 to 1,000 million years old. 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. 3 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 Jersey City reaches New York Harbor and the Atlantic Ocean by way of the Hudson: about 1 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Jersey City; river miles along the main stem, rounded.
Jersey City has a humid subtropical climate. Summer afternoons average 85° in July; winter nights fall to about 28° in January. A normal year brings about 30 inches of snow; with the rain, that comes to about 50 inches of water.
On November 14 Jersey City normally reaches 54° and falls to 42°. The record high is 72°, in 1993; the record low 20°, in 1905. The most rain on this date, 2.23 in, fell in 1972.
Normals 1991–2020 and records since 1869 from the New York-Central Park Area threaded record (World Trade Center, 4 miles east-southeast). NOAA, through RCC-ACIS.
