The Enfield 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.
Chance of showers
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6° on Nov. 12, 1976, the coldest reading for this week of the year since 1948. Next is 7° in 1972.
Enfield’s center stands about 820 ft above sea level. Within three miles the land runs from 740 ft to 1,640 ft, a difference of 900 ft: hilly country. The highest named summit within 15 miles is Smarts Mountain, about 3,220 ft, 14 miles north-northeast.
Under the town center the state geologic map shows Granodiorite to tonalite (granodiorite, tonalite), from the Late Ordovician, 445 to 459 million years old.
The section below crosses 16 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, tonalite. Age: Late Ordovician, 445 to 459 million years old. About 4 mi of the line.
Granodiorite. Age: Early Devonian, 394 to 422 million years old. About 3 mi of the line.
Slate, phyllite. Age: Late Ordovician, 445 to 459 million years old. About 3 mi of the line.
Metaclastic. Age: Early Devonian, 394 to 422 million years old. About 2 mi of the line.
Metagraywacke. Age: Early Devonian, 410 to 414 million years old. About 2 mi of the line.
Felsic-volcanic, mafic-volcanic. Age: Middle Ordovician to Late Ordovician, 445 to 471 million years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 10 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 Enfield reaches Long Island Sound and the Atlantic Ocean by way of the Mascoma and the Connecticut: about 230 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Enfield; river miles along the main stem, rounded.
Enfield has a warm-summer humid continental climate. Summer afternoons average 83° in July; winter nights fall to about 9° in January. About 38 inches of rain fall in a normal year.
On November 14 Enfield normally reaches 47° and falls to 28°. The record high is 66°, in 1973; the record low 9°, in 1986. The most rain on this date, 1.11 in, fell in 2009.
Normals 1991–2020 and records since 1948 at Lebanon Municipal Airport, 8 miles west, 270 ft lower. NOAA, through RCC-ACIS.
