The Upton 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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−6° on Nov. 17, 2019, the coldest reading for this week of the year since 1996. Next is −4° in 2018.
Upton’s center stands about 1,750 ft above sea level. Within three miles the land runs from 1,240 ft to 2,160 ft, a difference of 920 ft: steep hill country. The highest named summit within 15 miles is Old Speck Mountain, about 4,180 ft, 9 miles south-southeast.
Under the town center the state geologic map shows Ordovician Ammonoosuc Volcanics (mafic-volcanic, felsic-volcanic), from the Ordovician, 445 to 487 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 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.
Quartz-diorite. Age: Early Devonian to Late Devonian, 359 to 422 million years old. About 4 mi of the line.
Pelitic-schist, quartzite. Age: Cambrian to Early Ordovician, 471 to 497 million years old. About 4 mi of the line.
Mudstone, sandstone. Age: Silurian, 428 to 445 million years old. About 3 mi of the line.
Granite, tonalite. Age: Devonian, 359 to 422 million years old. About 3 mi of the line.
Shale, graywacke. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Mafic-volcanic, felsic-volcanic. Age: Ordovician, 445 to 487 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 Upton reaches the Atlantic Ocean by way of the Dead Cambridge, the Androscoggin and the Kennebec: about 210 river miles.
Lake on the way: Umbagog Lake.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Upton; river miles along the main stem, rounded.
Upton has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 3° in January. About 36 inches of rain fall in a normal year.
On November 14 Upton normally reaches 45° and falls to 23°. The record high is 66°, in 2011; the record low −1°, in 2019. The most rain on this date, 0.76 in, fell in 2009.
Normals 1991–2020 and records since 1996 at Berlin Regional Airport, 12 miles southwest, 630 ft lower. NOAA, through RCC-ACIS.
