The North Westminster 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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0° on Nov. 16, 1933, the coldest reading for this week of the year since 1893. Next is 6° in 1905.
North Westminster’s center stands about 540 ft above sea level. Within three miles the land runs from 230 ft to 1,360 ft, a difference of 1,130 ft: steep hill country. The highest named summit within 15 miles is Roundy Mountain, about 2,320 ft, 12 miles west-northwest.
Under the town center the state geologic map shows Partridge Formation (slate, phyllite), from the Late Ordovician, 445 to 459 million years old.
The section below crosses 19 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 10×. 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 3 mi of the line.
Metatrondhjemite, amphibolite, metadiabase. Age: Cambrian to Ordovician, 445 to 497 million years old. About 3 mi of the line.
Metagraywacke. Age: Early Devonian, 410 to 414 million years old. About 2 mi of the line.
Paragneiss. Age: Neoproterozoic, 938 to 960 million years old. About 2 mi of the line.
Conglomerate. Age: Silurian, 434 to 445 million years old. About 2 mi of the line.
Slate, schist. 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. 13 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 North Westminster reaches Long Island Sound and the Atlantic Ocean by way of the Saxtons and the Connecticut: about 180 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of North Westminster; river miles along the main stem, rounded.
North Westminster has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 10° in January. A normal year brings about 60 inches of snow; with the rain, that comes to about 46 inches of water.
On November 14 North Westminster normally reaches 47° and falls to 27°. The record high is 68°, in 1989; the record low 6°, in 1905. The most rain on this date, 1.61 in, fell in 1937.
Normals 1991–2020 and records since 1893 at Keene, 14 miles south-southeast. NOAA, through RCC-ACIS.
