The Unity 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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73° on Nov. 11, 2020, the hottest reading for this week of the year since 1928. Next is 70° in 1993.
Unity’s center stands about 1,460 ft above sea level. Within three miles the land runs from 880 ft to 1,860 ft, a difference of 980 ft: steep hill country. The highest named summit within 15 miles is Mount Ascutney, about 3,140 ft, 14 miles northwest.
The section below crosses 18 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 8×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granodiorite. Age: Early Devonian, 394 to 422 million years old. About 8 mi of the line.
Granodiorite. Age: Early Devonian, 394 to 422 million years old. About 2 mi of the line.
Age: Late Ordovician, 445 to 459 million years old. About 2 mi of the line.
Slate, phyllite, mica-schist. Age: Silurian to Early Devonian, 394 to 425 million years old. About 2 mi of the line.
Metagraywacke. Age: Early Devonian, 410 to 414 million years old. About 1 mi of the line.
Conglomerate, granofels. Age: Silurian, 434 to 445 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. 12 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 Unity reaches Long Island Sound and the Atlantic Ocean by way of the Little Sugar and the Connecticut: about 200 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Unity; river miles along the main stem, rounded.
Unity has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 9° in January. A normal year brings about 66 inches of snow; with the rain, that comes to about 42 inches of water.
On November 14 Unity normally reaches 46° and falls to 27°. The record high is 62°, in 2010; the record low 8°, in 2019. The most rain on this date, 2.64 in, fell in 1937.
Normals 1991–2020 and records since 1928 at Newport, 7 miles northeast, 690 ft lower. NOAA, through RCC-ACIS.
