The Lunenburg 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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−4° on Nov. 17, 2019, the coldest reading for this week of the year since 1996. Next is −1° in 1996.
Lunenburg’s center stands about 1,170 ft above sea level. Within three miles the land runs from 830 ft to 1,710 ft, a difference of 880 ft: hilly country. The highest named summit within 15 miles is Mount Cabot, about 4,150 ft, 14 miles east-northeast.
Under the town center the state geologic map shows Albee Formation (metasandstone, metasiltstone, phyllite), from the Middle Cambrian to Early Ordovician, 485 to 500 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 12×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Metasandstone, metasiltstone, phyllite. Age: Middle Cambrian to Early Ordovician, 485 to 500 million years old. About 16 mi of the line.
Tonalite, diorite, granodiorite. Age: Late Ordovician, 445 to 459 million years old. About 5 mi of the line.
Granite. Age: Late Ordovician to Silurian, 438 to 446 million years old. About 2 mi of the line.
Syenite. Age: Jurassic, 145 to 202 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 Lunenburg reaches Long Island Sound and the Atlantic Ocean by way of the Connecticut: about 310 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Lunenburg; river miles along the main stem, rounded.
Lunenburg has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 5° in January. About 37 inches of rain fall in a normal year.
Normals 1991–2020 and records since 1996 at Whitefield Mount Washington Regional Airport, 9 miles southeast, 120 ft lower. NOAA, through RCC-ACIS.
