The Littleton Common 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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76° on Nov. 11, 2020, the hottest reading for this week of the year since 1885. Next is 75° in 1909.
Littleton Common’s center stands about 280 ft above sea level. Within three miles the land runs from 190 ft to 440 ft, a difference of 250 ft: rolling country. The highest named summit within 15 miles is Wataquadock Hill, about 680 ft, 12 miles southwest.
Under the town center the state geologic map shows Nashoba Formation (schist, gneiss), from the Neoproterozoic to Ordovician, 445 to 1,000 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 33×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Schist, gneiss. Age: Neoproterozoic to Ordovician, 445 to 1,000 million years old. About 16 mi of the line.
Phyllite, schist. Age: Neoproterozoic to Silurian, 422 to 1,000 million years old. About 3 mi of the line.
Metaclastic. Age: Silurian, 422 to 445 million years old. About 2 mi of the line.
Granite, tonalite. Age: Silurian, 428 to 445 million years old. About 2 mi of the line.
Quartzite, phyllite. Age: Silurian, 422 to 445 million years old. About 2 mi of the line.
Diorite, tonalite. Age: Silurian to Devonian, 359 to 445 million years old. About 0.3 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 Littleton Common reaches the Atlantic Ocean by way of Inch Brook, Fort Pond Brook, the Assabet, the Concord and the Merrimack: about 70 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Littleton Common; river miles along the main stem, rounded.
Littleton Common has a hot-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 16° in January. About 48 inches of rain fall in a normal year.
On November 14 Littleton Common normally reaches 51° and falls to 31°. The record high is 70°, in 1959; the record low 12°, in 1905. The most rain on this date, 2.03 in, fell in 1895.
Normals 1991–2020 and records since 1885 at Lowell, 9 miles northeast, 170 ft lower. NOAA, through RCC-ACIS.
