The Wentworth 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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72° on Nov. 11, 2020, the hottest reading for this week of the year since 1950. Next is 70° in 2022.
Wentworth’s center stands about 650 ft above sea level. Within three miles the land runs from 570 ft to 2,380 ft, a difference of 1,810 ft: steep hill country. The highest named summit within 15 miles is Mount Moosilauke, about 4,790 ft, 11 miles north-northeast.
Under the town center the state geologic map shows Bethlehem Granodiorite, from the Early Devonian, 394 to 422 million years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 5×. 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 17 mi of the line.
Metasedimentary. Age: Early Devonian, 394 to 422 million years old. About 5 mi of the line.
Felsic-volcanic, mafic-volcanic. Age: Middle Ordovician to Late Ordovician, 445 to 471 million years old. About 1 mi of the line.
Granodiorite, tonalite. Age: Late Ordovician, 445 to 459 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.
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 Wentworth reaches the Atlantic Ocean by way of the Baker, the Pemigewasset and the Merrimack: about 170 river miles.
120 miles of the trip are on the Merrimack.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Wentworth; river miles along the main stem, rounded.
Wentworth has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 6° in January. About 40 inches of rain fall in a normal year.
Normals 1991–2020 and records since 1950 at Union Village Dam, 18 miles west-southwest, 190 ft lower. NOAA, through RCC-ACIS.
