The East Hampton North 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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74° on Nov. 11, 2020, the hottest reading for this week of the year since 1930. Next is 72° in 1993.
East Hampton North’s center stands about 70 ft above sea level. Within three miles the land runs from 0 ft to 180 ft, a difference of 180 ft: gently rolling country. Open water lies within three miles.
Under the town center the state geologic map shows Monmouth Group, Matawan Group and Magothy Formation (clay, sand, gravel), from the Late Cretaceous, 66 to 100 million years old.
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.
Clay, sand, gravel. Age: Late Cretaceous, 66 to 100 million years old. About 11 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 East Hampton North runs straight into Long Island Sound and the Atlantic Ocean.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of East Hampton North; river miles along the main stem, rounded.
East Hampton North has a hot-summer humid continental climate. Summer afternoons average 81° in July; winter nights fall to about 23° in January. A normal year brings about 27 inches of snow; with the rain, that comes to about 50 inches of water.
On November 14 East Hampton North normally reaches 53° and falls to 36°. The record high is 68°, in 1993; the record low 17°, in 2019. The most rain on this date, 1.61 in, fell in 1972.
Normals 1991–2020 and records since 1930 at Bridgehampton, 6 miles west-southwest. NOAA, through RCC-ACIS.
