The West Newbury 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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77° on Nov. 11, 2020, the hottest reading for this week of the year since 1899. Next is 75° in 1993.
West Newbury’s center stands about 140 ft above sea level. Within three miles the land runs from 0 ft to 270 ft, a difference of 270 ft: rolling country. The highest named summit within 15 miles is Walnut Hill, about 600 ft, 15 miles northwest.
Under the town center the state geologic map shows Eliot Formation (phyllite), from the Silurian, 422 to 445 million years old.
The section below crosses 11 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 49×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granofels, biotite-schist. Age: Ordovician to Silurian, 422 to 487 million years old. About 6 mi of the line.
Metaclastic. Age: Silurian, 422 to 445 million years old. About 3 mi of the line.
Phyllite. Age: Silurian, 422 to 445 million years old. About 3 mi of the line.
Tonalite, diorite. Age: Silurian, 425 to 435 million years old. About 2 mi of the line.
Granodiorite. Age: Neoproterozoic, 542 to 1,000 million years old. About 2 mi of the line.
Andesite, mudstone. Age: Silurian to Early Devonian, 414 to 425 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. 5 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 West Newbury reaches the Atlantic Ocean by way of the Indian and the Merrimack: about 11 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of West Newbury; river miles along the main stem, rounded.
West Newbury has a hot-summer humid continental climate. Summer afternoons average 83° in July; winter nights fall to about 16° in January. A normal year brings about 58 inches of snow; with the rain, that comes to about 50 inches of water.
On November 14 West Newbury normally reaches 51° and falls to 31°. The record high is 74°, in 1989; the record low 11°, in 1986. The most rain on this date, 1.85 in, fell in 1995.
Normals 1991–2020 and records since 1899 at Haverhill, 5 miles southwest, 120 ft lower. NOAA, through RCC-ACIS.
