The Marquette 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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83° on Nov. 14, 1999, the hottest reading for this week of the year since 1941. Next is 81° in 2016.
Marquette’s center stands about 1,400 ft above sea level. Within three miles the land runs from 1,360 ft to 1,530 ft, a difference of 170 ft: gently rolling country.
Under the town center the state geologic map shows Alluvium (sand, silt, clay), from the Pleistocene to Holocene, less than 2.6 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 50×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sand, silt, clay. Age: Pleistocene to Holocene, less than 2.6 million years old. About 9 mi of the line.
Siltstone, sandstone, shale. Age: Permian, 252 to 299 million years old. About 5 mi of the line.
Sandstone, black-shale. Age: Early Cretaceous, 100 to 145 million years old. About 5 mi of the line.
Claystone, mudstone, shale. Age: Early Cretaceous, 100 to 145 million years old. About 4 mi of the line.
Arkose. Age: Miocene, 5.3 to 23 million years old. About 1 mi of the line.
Silt. Age: Pleistocene to Holocene, less than 2.6 million years old. About 0.5 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 Marquette reaches the Gulf of America by way of the Smoky Hill, the Kansas, the Missouri and the Mississippi: about 1,860 river miles.
1,170 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Marquette; river miles along the main stem, rounded.
Marquette has a hot-summer humid continental climate. Summer afternoons average 92° in July; winter nights fall to about 19° in January. A normal year brings about 12 inches of snow; with the rain, that comes to about 30 inches of water.
On November 14 Marquette normally reaches 56° and falls to 32°. The record high is 83°, in 1999; the record low 4°, in 1986. The most rain on this date, 0.21 in, fell in 1993.
Normals 1991–2020 and records since 1941 at Kanopolis Lake, 8 miles west-northwest. NOAA, through RCC-ACIS.
