The Plymouth 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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Mostly sunny; warmer
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8.63 inches of rain fell in two days, the most for this week of the year since records began in 1945. The next wettest, 3.94 inches, fell in 2020.
Plymouth’s center stands about 20 ft above sea level. Within three miles the land runs from 0 ft to 60 ft, a difference of 60 ft: gently rolling country.
Under the town center the state geologic map shows Yorktown Formation and Duplin Formation, Undivided (clay), from the Tertiary, 2.6 to 66 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. Age: Tertiary, 2.6 to 66 million years old. About 16 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.
A raindrop that lands in Plymouth reaches Albemarle Sound and the Atlantic Ocean by way of Conaby Creek and the Roanoke: about 9 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Plymouth; river miles along the main stem, rounded.
Plymouth has a humid subtropical climate. Summer afternoons average 89° in July; winter nights fall to about 33° in January. About 55 inches of rain fall in a normal year, with about 1 inch of snow.
On November 14 Plymouth normally reaches 65° and falls to 42°. The record high is 81°, in 1993; the record low 20°, in 1976. The most rain on this date, 2.40 in, fell in 1945.
Normals 1991–2020 and records since 1945 at Plymouth 5 E, 5 miles east. NOAA, through RCC-ACIS.
