The Pomfret 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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75° on Nov. 11, 2020, the hottest reading for this week of the year since 1892. Next is 72° in 1956.
Pomfret’s center stands about 1,420 ft above sea level. Within three miles the land runs from 770 ft to 1,870 ft, a difference of 1,100 ft: steep hill country. The highest named summit within 15 miles is East Mountain, about 2,780 ft, 12 miles west-southwest.
Under the town center the state geologic map shows Waits River Formation - carbonaceous phyllite and limestone member (phyllite, limestone), from the Silurian to Early Devonian, 394 to 425 million years old.
The section below crosses 14 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 9×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Phyllite, limestone. Age: Silurian to Early Devonian, 394 to 425 million years old. About 7 mi of the line.
Mica-schist, quartzite. Age: Early Devonian, 394 to 422 million years old. About 4 mi of the line.
Phyllite, mica-schist. Age: Silurian to Early Devonian, 394 to 425 million years old. About 3 mi of the line.
Granofels, quartzite. Age: Cambrian to Early Ordovician, 471 to 542 million years old. About 2 mi of the line.
Quartzite. Age: Early Devonian, 394 to 422 million years old. About 2 mi of the line.
Metavolcanic, metasedimentary. Age: Middle Ordovician to Late Ordovician, 445 to 471 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. 8 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 Pomfret reaches Long Island Sound and the Atlantic Ocean by way of Pomfret Brook, Barnard Brook, the Ottauquechee and the Connecticut: about 230 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Pomfret; river miles along the main stem, rounded.
Pomfret has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 7° in January. About 42 inches of rain fall in a normal year.
On November 14 Pomfret normally reaches 47° and falls to 27°. The record high is 64°, in 1964; the record low 2°, in 1905. The most rain on this date, 2.39 in, fell in 1937.
Normals 1991–2020 and records since 1892 at Woodstock, 5 miles south, 820 ft lower. NOAA, through RCC-ACIS.
