The Northbridge 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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75° on Nov. 16, 1993, the hottest reading for this week of the year since 1959. Next is 73° in 2020.
Northbridge’s center stands about 290 ft above sea level. Within three miles the land runs from 260 ft to 600 ft, a difference of 340 ft: rolling country. The highest named summit within 15 miles is Eddy Hill, about 1,080 ft, 15 miles northwest.
Under the town center the state geologic map shows Scituate Granite Gneiss, from the Neoproterozoic, 542 to 1,000 million years old.
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 27×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granite. Age: Neoproterozoic, 542 to 1,000 million years old. About 13 mi of the line.
Granite. Age: Neoproterozoic, 615 to 645 million years old. About 3 mi of the line.
Granite, granodiorite. Age: Neoproterozoic, 615 to 645 million years old. About 2 mi of the line.
Granite. Age: Neoproterozoic, 542 to 1,000 million years old. About 2 mi of the line.
Granite. Age: Neoproterozoic, 542 to 1,000 million years old. About 2 mi of the line.
Alkali-granite. Age: Neoproterozoic, 596 to 606 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 Northbridge reaches Narragansett Bay and the Atlantic Ocean by way of the Blackstone, the Seekonk and the Providence: about 40 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Northbridge; river miles along the main stem, rounded.
Northbridge has a warm-summer humid continental climate. Summer afternoons average 83° in July; winter nights fall to about 15° in January. A normal year brings about 47 inches of snow; with the rain, that comes to about 49 inches of water.
On November 14 Northbridge normally reaches 51° and falls to 30°. The record high is 68°, in 1964; the record low 11°, in 1986. The most rain on this date, 1.12 in, fell in 1988.
Normals 1991–2020 and records since 1959 at Buffumville Lake, 13 miles west, 230 ft higher. NOAA, through RCC-ACIS.
