The Dover-Foxcroft 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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73° on Nov. 11, 2020, the hottest reading for this week of the year since 1973. Next is 67° in 2022.
Dover-Foxcroft’s center stands about 380 ft above sea level. Within three miles the land runs from 310 ft to 780 ft, a difference of 470 ft: hilly country. The highest named summit within 15 miles is Benson Mountain, about 1,920 ft, 15 miles north-northwest.
Under the town center the state geologic map shows Silurian Sangerville Formation, limestone member (marble), from the Silurian, 428 to 445 million years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 26×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, sandstone. Age: Silurian, 428 to 434 million years old. About 9 mi of the line.
Quartzite, calc-silicate-rock. Age: Silurian to Devonian, 359 to 445 million years old. About 8 mi of the line.
Schist. Age: Devonian, 359 to 422 million years old. About 4 mi of the line.
Marble. Age: Silurian, 428 to 445 million years old. About 3 mi of the line.
Shale, sandstone. Age: Silurian, 425 to 434 million years old. About 0.5 mi of the line.
Sandstone, shale. Age: Silurian, 422 to 445 million years old. About 0.4 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
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 Dover-Foxcroft reaches the Atlantic Ocean by way of the Piscataquis and the Penobscot: about 100 river miles.
60 miles of the trip are on the Penobscot.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Dover-Foxcroft; river miles along the main stem, rounded.
Dover-Foxcroft has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 4° in January. A normal year brings about 77 inches of snow; with the rain, that comes to about 45 inches of water.
On November 14 Dover-Foxcroft normally reaches 45° and falls to 26°. The record high is 63°, in 2010; the record low 4°, in 1986. The most rain on this date, 1.14 in, fell in 2018.
Normals 1991–2020 and records since 1973 at Dover-Foxcroft Wwtp, 2 miles east. NOAA, through RCC-ACIS.
