The Brighton 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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−3° on Nov. 17, 1959, the coldest reading for this week of the year since 1893. Next is 1° in 1940.
Brighton’s center stands about 750 ft above sea level. Within three miles the land runs from 610 ft to 750 ft, a difference of 140 ft: gently rolling country.
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 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Dolostone, limestone. Age: Middle Mississippian to Late Mississippian, 324 to 347 million years old. About 12 mi of the line.
Dolostone, limestone. Age: Early Mississippian to Middle Mississippian, 331 to 359 million years old. About 8 mi of the line.
Shale, sandstone, siltstone. Age: Early Pennsylvanian to Middle Pennsylvanian, 307 to 324 million years old. About 5 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 Brighton reaches the Gulf of America by way of Burr Oak Creek, the Skunk and the Mississippi: about 1,430 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Brighton; river miles along the main stem, rounded.
Brighton has a hot-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 12° in January. A normal year brings about 25 inches of snow; with the rain, that comes to about 38 inches of water.
On November 14 Brighton normally reaches 49° and falls to 28°. The record high is 76°, in 1999; the record low 3°, in 1940. The most rain on this date, 1.13 in, fell in 1951.
Normals 1991–2020 and records since 1893 at Washington, 9 miles northeast. NOAA, through RCC-ACIS.
