The Northville 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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7° on Nov. 13, 2019, the coldest reading for this week of the year since 1874. Next is 8° in 1933.
Northville’s center stands about 920 ft above sea level. Within three miles the land runs from 760 ft to 1,020 ft, a difference of 260 ft: rolling country. The highest named summit within 15 miles is Haven Hill, about 1,140 ft, 15 miles north-northwest.
Under the town center the state geologic map shows Antrim Shale (black-shale), from the Late Devonian, 359 to 384 million years old.
The section below crosses 3 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 46×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale. Age: Late Devonian, 359 to 384 million years old. About 10 mi of the line.
Black-shale. Age: Late Devonian, 359 to 384 million years old. About 8 mi of the line.
Shale. Age: Carboniferous, 324 to 359 million years old. About 6 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 Northville reaches Lake Erie by way of the Johnson Drain, the Middle River Rouge, the Rouge,, the River Rouge and the Detroit: about 50 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Northville; river miles along the main stem, rounded.
Northville has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 19° in January. A normal year brings about 45 inches of snow; with the rain, that comes to about 34 inches of water.
On November 14 Northville normally reaches 49° and falls to 34°. The record high is 70°, in 1909; the record low 13°, in 1986. The most rain on this date, 1.07 in, fell in 1957.
Normals 1991–2020 and records since 1874 from the Detroit Area threaded record (Detroit Metro Airport, 16 miles south-southeast, 290 ft lower). NOAA, through RCC-ACIS.
