The Pelham Manor 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 1939. Next is 74° in 1949.
Pelham Manor’s center stands about 100 ft above sea level. Within three miles the land runs from 0 ft to 190 ft, a difference of 190 ft: gently rolling country. Open water lies within three miles. The highest named summit within 15 miles is Mount Nebo, about 680 ft, 12 miles north-northwest.
Under the town center the state geologic map shows Hartland Formation (amphibolite, pelitic-schist), from the Cambrian to Early Ordovician, 471 to 542 million years old.
The section below crosses 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 38×. 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 5 mi of the line.
Gneiss. Age: Precambrian to Mesoproterozoic. About 4 mi of the line.
Amphibolite, pelitic-schist. Age: Cambrian to Early Ordovician, 471 to 542 million years old. About 3 mi of the line.
Marble. Age: Early Cambrian to Early Ordovician, 471 to 542 million years old. About 2 mi of the line.
Pelitic-schist, gneiss, amphibolite. Age: Early Cambrian to Middle Ordovician, 459 to 542 million years old. About 2 mi of the line.
Clay. Age: Late Cretaceous, 66 to 100 million years old. About 0.9 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 1 smaller unit 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.
Rain that falls on Pelham Manor 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 Pelham Manor; river miles along the main stem, rounded.
Pelham Manor has a humid subtropical climate. Summer afternoons average 86° in July; winter nights fall to about 29° in January. A normal year brings about 30 inches of snow; with the rain, that comes to about 45 inches of water.
On November 14 Pelham Manor normally reaches 56° and falls to 44°. The record high is 72°, in 1993; the record low 24°, in 1986. The most rain on this date, 2.05 in, fell in 1972.
Normals 1991–2020 and records since 1939 from the New York-LGA Area threaded record (Laguardia Airport, 9 miles south-southwest). NOAA, through RCC-ACIS.
