The Deering 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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−1° on Nov. 17, 1967, the coldest reading for this week of the year since 1868. Next is 0° in 1972.
Deering’s center stands about 1,080 ft above sea level. Within three miles the land runs from 650 ft to 1,370 ft, a difference of 720 ft: hilly country. The highest named summit within 15 miles is Lovewell Mountain, about 2,460 ft, 14 miles northwest.
The section below crosses 8 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 13×. 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. Age: Early Devonian, 394 to 422 million years old. About 9 mi of the line.
Quartz-diorite, tonalite, granodiorite. Age: Early Devonian, 394 to 422 million years old. About 7 mi of the line.
Pelitic-schist, metasandstone. Age: Silurian, 434 to 445 million years old. About 3 mi of the line.
Granite. Age: Late Devonian, 359 to 384 million years old. About 1 mi of the line.
Granofels, calc-silicate-rock, pelitic-schist. Age: Silurian, 422 to 428 million years old. About 1 mi of the line.
Quartzite, metasedimentary. Age: Silurian, 422 to 445 million years old. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 2 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 Deering reaches the Atlantic Ocean by way of the Piscataquog and the Merrimack: about 110 river miles.
70 miles of the trip are on the Merrimack.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Deering; river miles along the main stem, rounded.
Deering has a warm-summer humid continental climate. Summer afternoons average 83° in July; winter nights fall to about 13° in January. A normal year brings about 68 inches of snow; with the rain, that comes to about 42 inches of water.
On November 14 Deering normally reaches 49° and falls to 29°. The record high is 71°, in 1989; the record low 7°, in 1986. The most rain on this date, 1.92 in, fell in 2009.
Normals 1991–2020 and records since 1868 from the Concord Area threaded record (Concord Municipal Airport, 20 miles east-northeast, 740 ft lower). NOAA, through RCC-ACIS.
