The Atlantic 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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78° on Nov. 15, 1993, the hottest reading for this week of the year since 1873. Next is 76° in 1955.
Atlantic City’s center stands about 12 ft above sea level. Within three miles the land runs from 0 ft to 50 ft, a difference of 50 ft: nearly flat ground. Open water lies within three miles.
Under the town center the state geologic map shows Belleplain Member of the Kirkwood Formation (clay, sand), from the Middle Miocene, 12 to 14 million years old.
The section below crosses 2 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. Age: Middle Miocene, 12 to 14 million years old. About 10 mi of the line.
Clay, sand. Age: Middle Miocene, 12 to 14 million years old. About 3 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.
Rain that falls on Atlantic City runs straight into the Atlantic Ocean.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Atlantic City; river miles along the main stem, rounded.
Atlantic City has a humid subtropical climate. Summer afternoons average 80° in July; winter nights fall to about 30° in January. About 44 inches of rain fall in a normal year.
On November 14 Atlantic City normally reaches 55° and falls to 43°. The record high is 76°, in 1955; the record low 23°, in 1874. The most rain on this date, 2.15 in, fell in 1972.
Normals 1991–2020 and records since 1873 at Atlantic City Marina, here. NOAA, through RCC-ACIS.
